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22,300
dicom/ruby-dicom
lib/dicom/anonymizer.rb
DICOM.Anonymizer.anonymize
def anonymize(dicom) dicom = Array[dicom] unless dicom.respond_to?(:to_ary) if @tags.length > 0 prepare_anonymization dicom.each do |dcm| anonymize_dcm(dcm.to_dcm) end else logger.warn("No tags have been selected for anonymization. Aborting anonymization.") end # Save the audit trail (if used): @audit_trail.write(@audit_trail_file) if @audit_trail logger.info("Anonymization complete.") dicom end
ruby
def anonymize(dicom) dicom = Array[dicom] unless dicom.respond_to?(:to_ary) if @tags.length > 0 prepare_anonymization dicom.each do |dcm| anonymize_dcm(dcm.to_dcm) end else logger.warn("No tags have been selected for anonymization. Aborting anonymization.") end # Save the audit trail (if used): @audit_trail.write(@audit_trail_file) if @audit_trail logger.info("Anonymization complete.") dicom end
[ "def", "anonymize", "(", "dicom", ")", "dicom", "=", "Array", "[", "dicom", "]", "unless", "dicom", ".", "respond_to?", "(", ":to_ary", ")", "if", "@tags", ".", "length", ">", "0", "prepare_anonymization", "dicom", ".", "each", "do", "|", "dcm", "|", "anonymize_dcm", "(", "dcm", ".", "to_dcm", ")", "end", "else", "logger", ".", "warn", "(", "\"No tags have been selected for anonymization. Aborting anonymization.\"", ")", "end", "# Save the audit trail (if used):", "@audit_trail", ".", "write", "(", "@audit_trail_file", ")", "if", "@audit_trail", "logger", ".", "info", "(", "\"Anonymization complete.\"", ")", "dicom", "end" ]
Anonymizes the given DObject or array of DICOM objects with the settings of this Anonymizer instance. @param [DObject, Array<DObject>] dicom single or multiple DICOM objects @return [Array<DObject>] an array of the anonymized DICOM objects
[ "Anonymizes", "the", "given", "DObject", "or", "array", "of", "DICOM", "objects", "with", "the", "settings", "of", "this", "Anonymizer", "instance", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/anonymizer.rb#L141-L155
22,301
dicom/ruby-dicom
lib/dicom/anonymizer.rb
DICOM.Anonymizer.delete_tag
def delete_tag(tag) raise ArgumentError, "Expected String, got #{tag.class}." unless tag.is_a?(String) raise ArgumentError, "Expected a valid tag of format 'GGGG,EEEE', got #{tag}." unless tag.tag? @delete[tag] = true end
ruby
def delete_tag(tag) raise ArgumentError, "Expected String, got #{tag.class}." unless tag.is_a?(String) raise ArgumentError, "Expected a valid tag of format 'GGGG,EEEE', got #{tag}." unless tag.tag? @delete[tag] = true end
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Specifies that the given tag is to be completely deleted from the anonymized DICOM objects. @param [String] tag a data element tag @example Completely delete the Patient's Name tag from the DICOM files a.delete_tag('0010,0010')
[ "Specifies", "that", "the", "given", "tag", "is", "to", "be", "completely", "deleted", "from", "the", "anonymized", "DICOM", "objects", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/anonymizer.rb#L186-L190
22,302
dicom/ruby-dicom
lib/dicom/anonymizer.rb
DICOM.Anonymizer.set_tag
def set_tag(tag, options={}) raise ArgumentError, "Expected String, got #{tag.class}." unless tag.is_a?(String) raise ArgumentError, "Expected a valid tag of format 'GGGG,EEEE', got #{tag}." unless tag.tag? pos = @tags.index(tag) if pos # Update existing values: @values[pos] = options[:value] if options[:value] @enumerations[pos] = options[:enum] if options[:enum] != nil else # Add new elements: @tags << tag @values << (options[:value] ? options[:value] : default_value(tag)) @enumerations << (options[:enum] ? options[:enum] : false) end end
ruby
def set_tag(tag, options={}) raise ArgumentError, "Expected String, got #{tag.class}." unless tag.is_a?(String) raise ArgumentError, "Expected a valid tag of format 'GGGG,EEEE', got #{tag}." unless tag.tag? pos = @tags.index(tag) if pos # Update existing values: @values[pos] = options[:value] if options[:value] @enumerations[pos] = options[:enum] if options[:enum] != nil else # Add new elements: @tags << tag @values << (options[:value] ? options[:value] : default_value(tag)) @enumerations << (options[:enum] ? options[:enum] : false) end end
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Sets the anonymization settings for the specified tag. If the tag is already present in the list of tags to be anonymized, its settings are updated, and if not, a new tag entry is created. @param [String] tag a data element tag @param [Hash] options the anonymization settings for the specified tag @option options [String, Integer, Float] :value the replacement value to be used when anonymizing this data element. Defaults to the pre-existing value and '' for new tags. @option options [String, Integer, Float] :enum specifies if enumeration is to be used for this tag. Defaults to the pre-existing value and false for new tags. @example Set the anonymization settings of the Patient's Name tag a.set_tag('0010,0010', :value => 'MrAnonymous', :enum => true)
[ "Sets", "the", "anonymization", "settings", "for", "the", "specified", "tag", ".", "If", "the", "tag", "is", "already", "present", "in", "the", "list", "of", "tags", "to", "be", "anonymized", "its", "settings", "are", "updated", "and", "if", "not", "a", "new", "tag", "entry", "is", "created", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/anonymizer.rb#L246-L260
22,303
dicom/ruby-dicom
lib/dicom/anonymizer.rb
DICOM.Anonymizer.value
def value(tag) raise ArgumentError, "Expected String, got #{tag.class}." unless tag.is_a?(String) raise ArgumentError, "Expected a valid tag of format 'GGGG,EEEE', got #{tag}." unless tag.tag? pos = @tags.index(tag) if pos return @values[pos] else logger.warn("The specified tag (#{tag}) was not found in the list of tags to be anonymized.") return nil end end
ruby
def value(tag) raise ArgumentError, "Expected String, got #{tag.class}." unless tag.is_a?(String) raise ArgumentError, "Expected a valid tag of format 'GGGG,EEEE', got #{tag}." unless tag.tag? pos = @tags.index(tag) if pos return @values[pos] else logger.warn("The specified tag (#{tag}) was not found in the list of tags to be anonymized.") return nil end end
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Gives the value which will be used when anonymizing this tag. @note If enumeration is selected for a string type tag, a number will be appended in addition to the string that is returned here. @param [String] tag a data element tag @return [String, Integer, Float, NilClass] the replacement value for the specified tag, or nil if the tag is not matched
[ "Gives", "the", "value", "which", "will", "be", "used", "when", "anonymizing", "this", "tag", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/anonymizer.rb#L278-L288
22,304
dicom/ruby-dicom
lib/dicom/anonymizer.rb
DICOM.Anonymizer.anonymize_dcm
def anonymize_dcm(dcm) # Extract the data element parents to investigate: parents = element_parents(dcm) parents.each do |parent| # Anonymize the desired tags: @tags.each_index do |j| if parent.exists?(@tags[j]) element = parent[@tags[j]] if element.is_a?(Element) if @blank value = '' elsif @enumeration old_value = element.value # Only launch enumeration logic if there is an actual value to the data element: if old_value value = enumerated_value(old_value, j) else value = '' end else # Use the value that has been set for this tag: value = @values[j] end element.value = value end end end # Delete elements marked for deletion: @delete.each_key do |tag| parent.delete(tag) if parent.exists?(tag) end end # General DICOM object manipulation: # Add a Patient Identity Removed attribute (as per # DICOM PS 3.15, Annex E, E.1.1 De-Identifier, point 6): dcm.add(Element.new('0012,0062', 'YES')) # Add a De-Identification Method Code Sequence Item: dcm.add(Sequence.new('0012,0064')) unless dcm.exists?('0012,0064') i = dcm['0012,0064'].add_item i.add(Element.new('0012,0063', 'De-identified by the ruby-dicom Anonymizer')) # FIXME: At some point we should add a set of de-indentification method codes, as per # DICOM PS 3.16 CID 7050 which corresponds to the settings chosen for the anonymizer. # Delete the old File Meta Information group (as per # DICOM PS 3.15, Annex E, E.1.1 De-Identifier, point 7): dcm.delete_group('0002') # Handle UIDs if requested: replace_uids(parents) if @uid # Delete private tags if indicated: dcm.delete_private if @delete_private end
ruby
def anonymize_dcm(dcm) # Extract the data element parents to investigate: parents = element_parents(dcm) parents.each do |parent| # Anonymize the desired tags: @tags.each_index do |j| if parent.exists?(@tags[j]) element = parent[@tags[j]] if element.is_a?(Element) if @blank value = '' elsif @enumeration old_value = element.value # Only launch enumeration logic if there is an actual value to the data element: if old_value value = enumerated_value(old_value, j) else value = '' end else # Use the value that has been set for this tag: value = @values[j] end element.value = value end end end # Delete elements marked for deletion: @delete.each_key do |tag| parent.delete(tag) if parent.exists?(tag) end end # General DICOM object manipulation: # Add a Patient Identity Removed attribute (as per # DICOM PS 3.15, Annex E, E.1.1 De-Identifier, point 6): dcm.add(Element.new('0012,0062', 'YES')) # Add a De-Identification Method Code Sequence Item: dcm.add(Sequence.new('0012,0064')) unless dcm.exists?('0012,0064') i = dcm['0012,0064'].add_item i.add(Element.new('0012,0063', 'De-identified by the ruby-dicom Anonymizer')) # FIXME: At some point we should add a set of de-indentification method codes, as per # DICOM PS 3.16 CID 7050 which corresponds to the settings chosen for the anonymizer. # Delete the old File Meta Information group (as per # DICOM PS 3.15, Annex E, E.1.1 De-Identifier, point 7): dcm.delete_group('0002') # Handle UIDs if requested: replace_uids(parents) if @uid # Delete private tags if indicated: dcm.delete_private if @delete_private end
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Performs anonymization on a DICOM object. @param [DObject] dcm a DICOM object
[ "Performs", "anonymization", "on", "a", "DICOM", "object", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/anonymizer.rb#L298-L347
22,305
dicom/ruby-dicom
lib/dicom/anonymizer.rb
DICOM.Anonymizer.anonymize_file
def anonymize_file(file) # Temporarily adjust the ruby-dicom log threshold (to suppress messages from the DObject class): @original_level = logger.level logger.level = @logger_level dcm = DObject.read(file) logger.level = @original_level anonymize_dcm(dcm) dcm end
ruby
def anonymize_file(file) # Temporarily adjust the ruby-dicom log threshold (to suppress messages from the DObject class): @original_level = logger.level logger.level = @logger_level dcm = DObject.read(file) logger.level = @original_level anonymize_dcm(dcm) dcm end
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Performs anonymization of a DICOM file. @param [String] file a DICOM file path
[ "Performs", "anonymization", "of", "a", "DICOM", "file", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/anonymizer.rb#L353-L361
22,306
dicom/ruby-dicom
lib/dicom/anonymizer.rb
DICOM.Anonymizer.default_value
def default_value(tag) name, vr = LIBRARY.name_and_vr(tag) conversion = VALUE_CONVERSION[vr] case conversion when :to_i then return 0 when :to_f then return 0.0 else # Assume type is string and return an empty string: return '' end end
ruby
def default_value(tag) name, vr = LIBRARY.name_and_vr(tag) conversion = VALUE_CONVERSION[vr] case conversion when :to_i then return 0 when :to_f then return 0.0 else # Assume type is string and return an empty string: return '' end end
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Determines a default value to use for anonymizing the given tag. @param [String] tag a data element tag @return [String, Integer, Float] the default replacement value for a given tag
[ "Determines", "a", "default", "value", "to", "use", "for", "anonymizing", "the", "given", "tag", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/anonymizer.rb#L387-L397
22,307
dicom/ruby-dicom
lib/dicom/anonymizer.rb
DICOM.Anonymizer.destination
def destination(dcm) # Separate the path from the source file string: file_start = dcm.source.rindex(File.basename(dcm.source)) if file_start == 0 source_dir = "." else source_dir = dcm.source[0..(file_start-1)] end source_folders = source_dir.split(File::SEPARATOR) target_folders = @write_path.split(File::SEPARATOR) # If the first element is the current dir symbol, get rid of it: source_folders.delete('.') # Check for equalness of folder names in a range limited by the shortest array: common_length = [source_folders.length, target_folders.length].min uncommon_index = nil common_length.times do |i| if target_folders[i] != source_folders[i] uncommon_index = i break end end # Create the output path by joining the two paths together using the determined index: append_path = uncommon_index ? source_folders[uncommon_index..-1] : nil [target_folders, append_path].compact.join(File::SEPARATOR) end
ruby
def destination(dcm) # Separate the path from the source file string: file_start = dcm.source.rindex(File.basename(dcm.source)) if file_start == 0 source_dir = "." else source_dir = dcm.source[0..(file_start-1)] end source_folders = source_dir.split(File::SEPARATOR) target_folders = @write_path.split(File::SEPARATOR) # If the first element is the current dir symbol, get rid of it: source_folders.delete('.') # Check for equalness of folder names in a range limited by the shortest array: common_length = [source_folders.length, target_folders.length].min uncommon_index = nil common_length.times do |i| if target_folders[i] != source_folders[i] uncommon_index = i break end end # Create the output path by joining the two paths together using the determined index: append_path = uncommon_index ? source_folders[uncommon_index..-1] : nil [target_folders, append_path].compact.join(File::SEPARATOR) end
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Creates a write path for the given DICOM object, based on the object's original file path and the write_path attribute. @param [DObject] dcm a DICOM object @return [String] the destination directory path
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3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/anonymizer.rb#L405-L429
22,308
dicom/ruby-dicom
lib/dicom/anonymizer.rb
DICOM.Anonymizer.enumerated_value
def enumerated_value(original, j) # Is enumeration requested for this tag? if @enumerations[j] if @audit_trail # Check if the UID has been encountered already: replacement = @audit_trail.replacement(@tags[j], at_value(original)) unless replacement # This original value has not been encountered yet. Determine the index to use. index = @audit_trail.records(@tags[j]).length + 1 # Create the replacement value: if @values[j].is_a?(String) replacement = @values[j] + index.to_s else replacement = @values[j] + index end # Add this tag record to the audit trail: @audit_trail.add_record(@tags[j], at_value(original), replacement) end else # Retrieve earlier used anonymization values: previous_old = @enum_old_hash[@tags[j]] previous_new = @enum_new_hash[@tags[j]] p_index = previous_old.length if previous_old.index(original) == nil # Current value has not been encountered before: replacement = @values[j]+(p_index + 1).to_s # Store value in array (and hash): previous_old << original previous_new << replacement @enum_old_hash[@tags[j]] = previous_old @enum_new_hash[@tags[j]] = previous_new else # Current value has been observed before: replacement = previous_new[previous_old.index(original)] end end else replacement = @values[j] end return replacement end
ruby
def enumerated_value(original, j) # Is enumeration requested for this tag? if @enumerations[j] if @audit_trail # Check if the UID has been encountered already: replacement = @audit_trail.replacement(@tags[j], at_value(original)) unless replacement # This original value has not been encountered yet. Determine the index to use. index = @audit_trail.records(@tags[j]).length + 1 # Create the replacement value: if @values[j].is_a?(String) replacement = @values[j] + index.to_s else replacement = @values[j] + index end # Add this tag record to the audit trail: @audit_trail.add_record(@tags[j], at_value(original), replacement) end else # Retrieve earlier used anonymization values: previous_old = @enum_old_hash[@tags[j]] previous_new = @enum_new_hash[@tags[j]] p_index = previous_old.length if previous_old.index(original) == nil # Current value has not been encountered before: replacement = @values[j]+(p_index + 1).to_s # Store value in array (and hash): previous_old << original previous_new << replacement @enum_old_hash[@tags[j]] = previous_old @enum_new_hash[@tags[j]] = previous_new else # Current value has been observed before: replacement = previous_new[previous_old.index(original)] end end else replacement = @values[j] end return replacement end
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Handles the enumeration for the given data element tag. If its value has been encountered before, its corresponding enumerated replacement value is retrieved, and if a new original value is encountered, a new enumerated replacement value is found by increasing an index by 1. @param [String, Integer, Float] original the original value of the tag to be anonymized @param [Integer] j the index of this tag in the tag-related instance arrays @return [String, Integer, Float] the replacement value which is used for the anonymization of the tag
[ "Handles", "the", "enumeration", "for", "the", "given", "data", "element", "tag", ".", "If", "its", "value", "has", "been", "encountered", "before", "its", "corresponding", "enumerated", "replacement", "value", "is", "retrieved", "and", "if", "a", "new", "original", "value", "is", "encountered", "a", "new", "enumerated", "replacement", "value", "is", "found", "by", "increasing", "an", "index", "by", "1", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/anonymizer.rb#L477-L517
22,309
dicom/ruby-dicom
lib/dicom/anonymizer.rb
DICOM.Anonymizer.replace_uids
def replace_uids(parents) parents.each do |parent| parent.each_element do |element| if element.vr == ('UI') and !@static_uids[element.tag] original = element.value if original && original.length > 0 # We have a UID value, go ahead and replace it: if @audit_trail # Check if the UID has been encountered already: replacement = @audit_trail.replacement('uids', original) unless replacement # The UID has not been stored previously. Generate a new one: replacement = DICOM.generate_uid(@uid_root, prefix(element.tag)) # Add this tag record to the audit trail: @audit_trail.add_record('uids', original, replacement) end # Replace the UID in the DICOM object: element.value = replacement else # We don't care about preserving UID relations. Just insert a custom UID: element.value = DICOM.generate_uid(@uid_root, prefix(element.tag)) end end end end end end
ruby
def replace_uids(parents) parents.each do |parent| parent.each_element do |element| if element.vr == ('UI') and !@static_uids[element.tag] original = element.value if original && original.length > 0 # We have a UID value, go ahead and replace it: if @audit_trail # Check if the UID has been encountered already: replacement = @audit_trail.replacement('uids', original) unless replacement # The UID has not been stored previously. Generate a new one: replacement = DICOM.generate_uid(@uid_root, prefix(element.tag)) # Add this tag record to the audit trail: @audit_trail.add_record('uids', original, replacement) end # Replace the UID in the DICOM object: element.value = replacement else # We don't care about preserving UID relations. Just insert a custom UID: element.value = DICOM.generate_uid(@uid_root, prefix(element.tag)) end end end end end end
[ "def", "replace_uids", "(", "parents", ")", "parents", ".", "each", "do", "|", "parent", "|", "parent", ".", "each_element", "do", "|", "element", "|", "if", "element", ".", "vr", "==", "(", "'UI'", ")", "and", "!", "@static_uids", "[", "element", ".", "tag", "]", "original", "=", "element", ".", "value", "if", "original", "&&", "original", ".", "length", ">", "0", "# We have a UID value, go ahead and replace it:", "if", "@audit_trail", "# Check if the UID has been encountered already:", "replacement", "=", "@audit_trail", ".", "replacement", "(", "'uids'", ",", "original", ")", "unless", "replacement", "# The UID has not been stored previously. Generate a new one:", "replacement", "=", "DICOM", ".", "generate_uid", "(", "@uid_root", ",", "prefix", "(", "element", ".", "tag", ")", ")", "# Add this tag record to the audit trail:", "@audit_trail", ".", "add_record", "(", "'uids'", ",", "original", ",", "replacement", ")", "end", "# Replace the UID in the DICOM object:", "element", ".", "value", "=", "replacement", "else", "# We don't care about preserving UID relations. Just insert a custom UID:", "element", ".", "value", "=", "DICOM", ".", "generate_uid", "(", "@uid_root", ",", "prefix", "(", "element", ".", "tag", ")", ")", "end", "end", "end", "end", "end", "end" ]
Replaces the UIDs of the given DICOM object. @note Empty UIDs are ignored (we don't generate new UIDs for these). @note If AuditTrail is set, the relationship between old and new UIDs are preserved, and the relations between files in a study/series should remain valid. @param [Array<DObject, Item>] parents dicom parent objects who's child elements will be investigated
[ "Replaces", "the", "UIDs", "of", "the", "given", "DICOM", "object", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/anonymizer.rb#L550-L576
22,310
dicom/ruby-dicom
lib/dicom/anonymizer.rb
DICOM.Anonymizer.set_defaults
def set_defaults # Some UIDs should not be remapped even if uid anonymization has been requested: @static_uids = { # Private related: '0002,0100' => true, '0004,1432' => true, # Coding scheme related: '0008,010C' => true, '0008,010D' => true, # Transfer syntax related: '0002,0010' => true, '0400,0010' => true, '0400,0510' => true, '0004,1512' => true, # SOP class related: '0000,0002' => true, '0000,0003' => true, '0002,0002' => true, '0004,1510' => true, '0004,151A' => true, '0008,0016' => true, '0008,001A' => true, '0008,001B' => true, '0008,0062' => true, '0008,1150' => true, '0008,115A' => true } # Sets up default tags that will be anonymized, along with default replacement values and enumeration settings. # This data is stored in 3 separate instance arrays for tags, values and enumeration. data = [ ['0008,0012', '20000101', false], # Instance Creation Date ['0008,0013', '000000.00', false], # Instance Creation Time ['0008,0020', '20000101', false], # Study Date ['0008,0021', '20000101', false], # Series Date ['0008,0022', '20000101', false], # Acquisition Date ['0008,0023', '20000101', false], # Image Date ['0008,0030', '000000.00', false], # Study Time ['0008,0031', '000000.00', false], # Series Time ['0008,0032', '000000.00', false], # Acquisition Time ['0008,0033', '000000.00', false], # Image Time ['0008,0050', '', true], # Accession Number ['0008,0080', 'Institution', true], # Institution name ['0008,0081', 'Address', true], # Institution Address ['0008,0090', 'Physician', true], # Referring Physician's name ['0008,1010', 'Station', true], # Station name ['0008,1040', 'Department', true], # Institutional Department name ['0008,1070', 'Operator', true], # Operator's Name ['0010,0010', 'Patient', true], # Patient's name ['0010,0020', 'ID', true], # Patient's ID ['0010,0030', '20000101', false], # Patient's Birth Date ['0010,0040', 'O', false], # Patient's Sex ['0010,1010', '', false], # Patient's Age ['0020,4000', '', false], # Image Comments ].transpose @tags = data[0] @values = data[1] @enumerations = data[2] # Tags to be deleted completely during anonymization: @delete = Hash.new end
ruby
def set_defaults # Some UIDs should not be remapped even if uid anonymization has been requested: @static_uids = { # Private related: '0002,0100' => true, '0004,1432' => true, # Coding scheme related: '0008,010C' => true, '0008,010D' => true, # Transfer syntax related: '0002,0010' => true, '0400,0010' => true, '0400,0510' => true, '0004,1512' => true, # SOP class related: '0000,0002' => true, '0000,0003' => true, '0002,0002' => true, '0004,1510' => true, '0004,151A' => true, '0008,0016' => true, '0008,001A' => true, '0008,001B' => true, '0008,0062' => true, '0008,1150' => true, '0008,115A' => true } # Sets up default tags that will be anonymized, along with default replacement values and enumeration settings. # This data is stored in 3 separate instance arrays for tags, values and enumeration. data = [ ['0008,0012', '20000101', false], # Instance Creation Date ['0008,0013', '000000.00', false], # Instance Creation Time ['0008,0020', '20000101', false], # Study Date ['0008,0021', '20000101', false], # Series Date ['0008,0022', '20000101', false], # Acquisition Date ['0008,0023', '20000101', false], # Image Date ['0008,0030', '000000.00', false], # Study Time ['0008,0031', '000000.00', false], # Series Time ['0008,0032', '000000.00', false], # Acquisition Time ['0008,0033', '000000.00', false], # Image Time ['0008,0050', '', true], # Accession Number ['0008,0080', 'Institution', true], # Institution name ['0008,0081', 'Address', true], # Institution Address ['0008,0090', 'Physician', true], # Referring Physician's name ['0008,1010', 'Station', true], # Station name ['0008,1040', 'Department', true], # Institutional Department name ['0008,1070', 'Operator', true], # Operator's Name ['0010,0010', 'Patient', true], # Patient's name ['0010,0020', 'ID', true], # Patient's ID ['0010,0030', '20000101', false], # Patient's Birth Date ['0010,0040', 'O', false], # Patient's Sex ['0010,1010', '', false], # Patient's Age ['0020,4000', '', false], # Image Comments ].transpose @tags = data[0] @values = data[1] @enumerations = data[2] # Tags to be deleted completely during anonymization: @delete = Hash.new end
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Sets up some default information variables that are used by the Anonymizer.
[ "Sets", "up", "some", "default", "information", "variables", "that", "are", "used", "by", "the", "Anonymizer", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/anonymizer.rb#L580-L639
22,311
dicom/ruby-dicom
lib/dicom/anonymizer.rb
DICOM.Anonymizer.write
def write(dcm) if @write_path # The DICOM object is to be written to a separate directory. If the # original and the new directories have a common root, this is taken into # consideration when determining the object's write path: path = destination(dcm) if @random_file_name file_name = "#{SecureRandom.hex(16)}.dcm" else file_name = File.basename(dcm.source) end dcm.write(File.join(path, file_name)) else # The original DICOM file is overwritten with the anonymized DICOM object: dcm.write(dcm.source) end end
ruby
def write(dcm) if @write_path # The DICOM object is to be written to a separate directory. If the # original and the new directories have a common root, this is taken into # consideration when determining the object's write path: path = destination(dcm) if @random_file_name file_name = "#{SecureRandom.hex(16)}.dcm" else file_name = File.basename(dcm.source) end dcm.write(File.join(path, file_name)) else # The original DICOM file is overwritten with the anonymized DICOM object: dcm.write(dcm.source) end end
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Writes a DICOM object to file. @param [DObject] dcm a DICOM object
[ "Writes", "a", "DICOM", "object", "to", "file", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/anonymizer.rb#L657-L673
22,312
dicom/ruby-dicom
lib/dicom/element.rb
DICOM.Element.value=
def value=(new_value) if VALUE_CONVERSION[@vr] == :to_s # Unless this is actually the Character Set data element, # get the character set (note that it may not be available): character_set = (@tag != '0008,0005' && top_parent.is_a?(DObject)) ? top_parent.value('0008,0005') : nil # Convert to [DObject encoding] from [input string encoding]: # In most cases the DObject encoding is IS0-8859-1 (ISO_IR 100), but if # it is not specified in the DICOM object, or if the specified string # is not recognized, ASCII-8BIT is assumed. @value = new_value.to_s.encode(ENCODING_NAME[character_set], new_value.to_s.encoding.name) @bin = encode(@value) else # We may have an array (of numbers) which needs to be passed directly to # the encode method instead of being forced into a numerical: if new_value.is_a?(Array) @value = new_value @bin = encode(@value) else @value = new_value.send(VALUE_CONVERSION[@vr]) @bin = encode(@value) end end @length = @bin.length end
ruby
def value=(new_value) if VALUE_CONVERSION[@vr] == :to_s # Unless this is actually the Character Set data element, # get the character set (note that it may not be available): character_set = (@tag != '0008,0005' && top_parent.is_a?(DObject)) ? top_parent.value('0008,0005') : nil # Convert to [DObject encoding] from [input string encoding]: # In most cases the DObject encoding is IS0-8859-1 (ISO_IR 100), but if # it is not specified in the DICOM object, or if the specified string # is not recognized, ASCII-8BIT is assumed. @value = new_value.to_s.encode(ENCODING_NAME[character_set], new_value.to_s.encoding.name) @bin = encode(@value) else # We may have an array (of numbers) which needs to be passed directly to # the encode method instead of being forced into a numerical: if new_value.is_a?(Array) @value = new_value @bin = encode(@value) else @value = new_value.send(VALUE_CONVERSION[@vr]) @bin = encode(@value) end end @length = @bin.length end
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Sets the value of the Element instance. In addition to updating the value attribute, the specified value is encoded to binary and used to update the Element's bin and length attributes too. @note The specified value must be of a type that is compatible with the Element's value representation (vr). @param [String, Integer, Float, Array] new_value a formatted value that is assigned to the element
[ "Sets", "the", "value", "of", "the", "Element", "instance", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/element.rb#L231-L254
22,313
calabash/calabash
lib/calabash/ios/console_helpers.rb
Calabash.ConsoleHelpers.console_attach
def console_attach(uia_strategy=nil) Calabash::Application.default = Calabash::IOS::Application.default_from_environment identifier = Calabash::IOS::Device.default_identifier_for_application(Calabash::Application.default) server = Calabash::IOS::Server.default device = Calabash::IOS::Device.new(identifier, server) Calabash::Device.default = device begin Calabash::Internal.with_current_target(required_os: :ios) {|target| target.ensure_test_server_ready({:timeout => 4})} rescue RuntimeError => e if e.to_s == 'Calabash server did not respond' raise RuntimeError, 'You can only attach to a running Calabash iOS App' else raise e end end run_loop_device = device.send(:run_loop_device) result = Calabash::Internal.with_current_target(required_os: :ios) {|target| target.send(:attach_to_run_loop, run_loop_device, uia_strategy)} result[:application] = Calabash::Application.default result end
ruby
def console_attach(uia_strategy=nil) Calabash::Application.default = Calabash::IOS::Application.default_from_environment identifier = Calabash::IOS::Device.default_identifier_for_application(Calabash::Application.default) server = Calabash::IOS::Server.default device = Calabash::IOS::Device.new(identifier, server) Calabash::Device.default = device begin Calabash::Internal.with_current_target(required_os: :ios) {|target| target.ensure_test_server_ready({:timeout => 4})} rescue RuntimeError => e if e.to_s == 'Calabash server did not respond' raise RuntimeError, 'You can only attach to a running Calabash iOS App' else raise e end end run_loop_device = device.send(:run_loop_device) result = Calabash::Internal.with_current_target(required_os: :ios) {|target| target.send(:attach_to_run_loop, run_loop_device, uia_strategy)} result[:application] = Calabash::Application.default result end
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Attach the current Calabash run-loop to a console. @example You have encountered a failing cucumber Scenario. You open the console and want to start investigating the cause of the failure. Use > console_attach to connect to the current run-loop so you can perform gestures. @param [Symbol] uia_strategy Optionally specify the uia strategy, which can be one of :shared_element, :preferences, :host. If you don't know which to choose, don't specify one and calabash will try deduce the correct strategy to use based on the environment variables used when starting the console. @return [Hash] The hash will contain the current device, the path to the current application, and the run-loop strategy. @raise [RuntimeError] If the app is not running.
[ "Attach", "the", "current", "Calabash", "run", "-", "loop", "to", "a", "console", "." ]
fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745
https://github.com/calabash/calabash/blob/fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745/lib/calabash/ios/console_helpers.rb#L48-L71
22,314
calabash/calabash
lib/calabash/device.rb
Calabash.Device.pan_between
def pan_between(query_from, query_to, options={}) ensure_query_class_or_nil(query_from) ensure_query_class_or_nil(query_to) gesture_options = options.dup gesture_options[:timeout] ||= Calabash::Gestures::DEFAULT_GESTURE_WAIT_TIMEOUT _pan_between(query_from, query_to, gesture_options) end
ruby
def pan_between(query_from, query_to, options={}) ensure_query_class_or_nil(query_from) ensure_query_class_or_nil(query_to) gesture_options = options.dup gesture_options[:timeout] ||= Calabash::Gestures::DEFAULT_GESTURE_WAIT_TIMEOUT _pan_between(query_from, query_to, gesture_options) end
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Performs a `pan` between two elements. @see Calabash::Gestures#pan_between @!visibility private
[ "Performs", "a", "pan", "between", "two", "elements", "." ]
fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745
https://github.com/calabash/calabash/blob/fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745/lib/calabash/device.rb#L182-L191
22,315
calabash/calabash
lib/calabash/device.rb
Calabash.Device.flick_between
def flick_between(query_from, query_to, options={}) ensure_query_class_or_nil(query_from) ensure_query_class_or_nil(query_to) gesture_options = options.dup gesture_options[:timeout] ||= Calabash::Gestures::DEFAULT_GESTURE_WAIT_TIMEOUT _flick_between(query_from, query_to, gesture_options) end
ruby
def flick_between(query_from, query_to, options={}) ensure_query_class_or_nil(query_from) ensure_query_class_or_nil(query_to) gesture_options = options.dup gesture_options[:timeout] ||= Calabash::Gestures::DEFAULT_GESTURE_WAIT_TIMEOUT _flick_between(query_from, query_to, gesture_options) end
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Performs a `flick` between two elements. @!visibility private
[ "Performs", "a", "flick", "between", "two", "elements", "." ]
fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745
https://github.com/calabash/calabash/blob/fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745/lib/calabash/device.rb#L195-L204
22,316
calabash/calabash
lib/calabash/web.rb
Calabash.Web.evaluate_javascript_in
def evaluate_javascript_in(query, javascript) wait_for_view(query, timeout: Calabash::Gestures::DEFAULT_GESTURE_WAIT_TIMEOUT) _evaluate_javascript_in(query, javascript) end
ruby
def evaluate_javascript_in(query, javascript) wait_for_view(query, timeout: Calabash::Gestures::DEFAULT_GESTURE_WAIT_TIMEOUT) _evaluate_javascript_in(query, javascript) end
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Evaluate javascript in a Web View. On iOS, an implicit return is inserted, on Android an explicit return is needed. @example # iOS cal.evaluate_javascript_in("UIWebView", "2+2") # Android cal.evaluate_javascript_in("WebView", "return 2+2") @example # iOS cal.evaluate_javascript_in("WKWebView", "document.body.style.backgroundColor = 'red';") # Android cal.evaluate_javascript_in("XWalkContent", "document.body.style.backgroundColor = 'red';") @note No error will be raised if the javascript given is invalid, or throws an exception. @param [String, Hash, Calabash::Query] query Query that matches the webview @param [String] javascript The javascript to evaluate @raise ViewNotFoundError If no views are found matching `query`
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fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745
https://github.com/calabash/calabash/blob/fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745/lib/calabash/web.rb#L30-L35
22,317
calabash/calabash
lib/calabash/text.rb
Calabash.Text.wait_for_keyboard
def wait_for_keyboard(timeout: nil) keyboard_timeout = keyboard_wait_timeout(timeout) message = "Timed out after #{keyboard_timeout} seconds waiting for the keyboard to appear" wait_for(message, timeout: keyboard_timeout) do keyboard_visible? end end
ruby
def wait_for_keyboard(timeout: nil) keyboard_timeout = keyboard_wait_timeout(timeout) message = "Timed out after #{keyboard_timeout} seconds waiting for the keyboard to appear" wait_for(message, timeout: keyboard_timeout) do keyboard_visible? end end
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Waits for a keyboard to appear. @see Calabash::Wait.default_options @param [Number] timeout How long to wait for the keyboard. @raise [Calabash::Wait::TimeoutError] Raises error if no keyboard appears.
[ "Waits", "for", "a", "keyboard", "to", "appear", "." ]
fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745
https://github.com/calabash/calabash/blob/fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745/lib/calabash/text.rb#L125-L131
22,318
calabash/calabash
lib/calabash/text.rb
Calabash.Text.wait_for_no_keyboard
def wait_for_no_keyboard(timeout: nil) keyboard_timeout = keyboard_wait_timeout(timeout) message = "Timed out after #{keyboard_timeout} seconds waiting for the keyboard to disappear" wait_for(message, timeout: keyboard_timeout) do !keyboard_visible? end end
ruby
def wait_for_no_keyboard(timeout: nil) keyboard_timeout = keyboard_wait_timeout(timeout) message = "Timed out after #{keyboard_timeout} seconds waiting for the keyboard to disappear" wait_for(message, timeout: keyboard_timeout) do !keyboard_visible? end end
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Waits for the keyboard to disappear. @see Calabash::Wait.default_options @param [Number] timeout How log to wait for the keyboard to disappear. @raise [Calabash::Wait::TimeoutError] Raises error if any keyboard is visible after the `timeout`.
[ "Waits", "for", "the", "keyboard", "to", "disappear", "." ]
fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745
https://github.com/calabash/calabash/blob/fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745/lib/calabash/text.rb#L140-L146
22,319
dicom/ruby-dicom
lib/dicom/d_client.rb
DICOM.DClient.find_series
def find_series(query_params={}) # Study Root Query/Retrieve Information Model - FIND: set_default_presentation_context("1.2.840.10008.5.1.4.1.2.2.1") # Every query attribute with a value != nil (required) will be sent in the dicom query. # The query parameters with nil-value (optional) are left out unless specified. default_query_params = { "0008,0052" => "SERIES", # Query/Retrieve Level: "SERIES" "0008,0060" => "", # Modality "0020,000E" => "", # Series Instance UID "0020,0011" => "" # Series Number } # Raising an error if a non-tag query attribute is used: query_params.keys.each do |tag| raise ArgumentError, "The supplied tag (#{tag}) is not valid. It must be a string of the form 'GGGG,EEEE'." unless tag.is_a?(String) && tag.tag? end # Set up the query parameters and carry out the C-FIND: set_data_elements(default_query_params.merge(query_params)) perform_find return @data_results end
ruby
def find_series(query_params={}) # Study Root Query/Retrieve Information Model - FIND: set_default_presentation_context("1.2.840.10008.5.1.4.1.2.2.1") # Every query attribute with a value != nil (required) will be sent in the dicom query. # The query parameters with nil-value (optional) are left out unless specified. default_query_params = { "0008,0052" => "SERIES", # Query/Retrieve Level: "SERIES" "0008,0060" => "", # Modality "0020,000E" => "", # Series Instance UID "0020,0011" => "" # Series Number } # Raising an error if a non-tag query attribute is used: query_params.keys.each do |tag| raise ArgumentError, "The supplied tag (#{tag}) is not valid. It must be a string of the form 'GGGG,EEEE'." unless tag.is_a?(String) && tag.tag? end # Set up the query parameters and carry out the C-FIND: set_data_elements(default_query_params.merge(query_params)) perform_find return @data_results end
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Queries a service class provider for series that match the specified criteria. === Instance level attributes for this query: * '0008,0060' (Modality) * '0020,000E' (Series Instance UID) * '0020,0011' (Series Number) In addition to the above listed attributes, a number of "optional" attributes may be specified. For a general list of optional object instance level attributes, please refer to the DICOM standard, PS3.4 C.6.1.1.4, Table C.6-3. @note Caution: Calling this method without parameters will instruct your PACS to return info on ALL series in the database! @param [Hash] query_params the query parameters to use @option query_params [String] 'GGGG,EEEE' a tag and value pair to be used in the query @example Find all series belonging to the given study node.find_series('0020,000D' => '1.2.840.1145.342')
[ "Queries", "a", "service", "class", "provider", "for", "series", "that", "match", "the", "specified", "criteria", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_client.rb#L177-L196
22,320
dicom/ruby-dicom
lib/dicom/d_client.rb
DICOM.DClient.move_image
def move_image(destination, options={}) # Study Root Query/Retrieve Information Model - MOVE: set_default_presentation_context("1.2.840.10008.5.1.4.1.2.2.2") # Transfer the current options to the data_elements hash: set_command_fragment_move(destination) # Prepare data elements for this operation: set_data_fragment_move_image set_data_options(options) perform_move end
ruby
def move_image(destination, options={}) # Study Root Query/Retrieve Information Model - MOVE: set_default_presentation_context("1.2.840.10008.5.1.4.1.2.2.2") # Transfer the current options to the data_elements hash: set_command_fragment_move(destination) # Prepare data elements for this operation: set_data_fragment_move_image set_data_options(options) perform_move end
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Moves a single image to a DICOM server. This DICOM node must be a third party (i.e. not the client instance you are requesting the move with!). === Instance level attributes for this procedure: * '0008,0018' (SOP Instance UID) * '0008,0052' (Query/Retrieve Level) * '0020,000D' (Study Instance UID) * '0020,000E' (Series Instance UID) @param [String] destination the AE title of the DICOM server which will receive the file @param [Hash] options the options to use for moving the DICOM object @option options [String] 'GGGG,EEEE' a tag and value pair to be used for the procedure @example Move an image from e.q. a PACS to another SCP on the network node.move_image('SOME_SERVER', '0008,0018' => sop_uid, '0020,000D' => study_uid, '0020,000E' => series_uid)
[ "Moves", "a", "single", "image", "to", "a", "DICOM", "server", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_client.rb#L296-L305
22,321
dicom/ruby-dicom
lib/dicom/d_client.rb
DICOM.DClient.move_study
def move_study(destination, options={}) # Study Root Query/Retrieve Information Model - MOVE: set_default_presentation_context("1.2.840.10008.5.1.4.1.2.2.2") # Transfer the current options to the data_elements hash: set_command_fragment_move(destination) # Prepare data elements for this operation: set_data_fragment_move_study set_data_options(options) perform_move end
ruby
def move_study(destination, options={}) # Study Root Query/Retrieve Information Model - MOVE: set_default_presentation_context("1.2.840.10008.5.1.4.1.2.2.2") # Transfer the current options to the data_elements hash: set_command_fragment_move(destination) # Prepare data elements for this operation: set_data_fragment_move_study set_data_options(options) perform_move end
[ "def", "move_study", "(", "destination", ",", "options", "=", "{", "}", ")", "# Study Root Query/Retrieve Information Model - MOVE:", "set_default_presentation_context", "(", "\"1.2.840.10008.5.1.4.1.2.2.2\"", ")", "# Transfer the current options to the data_elements hash:", "set_command_fragment_move", "(", "destination", ")", "# Prepare data elements for this operation:", "set_data_fragment_move_study", "set_data_options", "(", "options", ")", "perform_move", "end" ]
Move an entire study to a DICOM server. This DICOM node must be a third party (i.e. not the client instance you are requesting the move with!). === Instance level attributes for this procedure: * '0008,0052' (Query/Retrieve Level) * '0010,0020' (Patient ID) * '0020,000D' (Study Instance UID) @param [String] destination the AE title of the DICOM server which will receive the files @param [Hash] options the options to use for moving the DICOM objects @option options [String] 'GGGG,EEEE' a tag and value pair to be used for the procedure @example Move an entire study from e.q. a PACS to another SCP on the network node.move_study('SOME_SERVER', '0010,0020' => pat_id, '0020,000D' => study_uid)
[ "Move", "an", "entire", "study", "to", "a", "DICOM", "server", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_client.rb#L325-L334
22,322
dicom/ruby-dicom
lib/dicom/d_client.rb
DICOM.DClient.available_transfer_syntaxes
def available_transfer_syntaxes(transfer_syntax) case transfer_syntax when IMPLICIT_LITTLE_ENDIAN return [IMPLICIT_LITTLE_ENDIAN, EXPLICIT_LITTLE_ENDIAN] when EXPLICIT_LITTLE_ENDIAN return [EXPLICIT_LITTLE_ENDIAN, IMPLICIT_LITTLE_ENDIAN] when EXPLICIT_BIG_ENDIAN return [EXPLICIT_BIG_ENDIAN, IMPLICIT_LITTLE_ENDIAN] else # Compression: return [transfer_syntax] end end
ruby
def available_transfer_syntaxes(transfer_syntax) case transfer_syntax when IMPLICIT_LITTLE_ENDIAN return [IMPLICIT_LITTLE_ENDIAN, EXPLICIT_LITTLE_ENDIAN] when EXPLICIT_LITTLE_ENDIAN return [EXPLICIT_LITTLE_ENDIAN, IMPLICIT_LITTLE_ENDIAN] when EXPLICIT_BIG_ENDIAN return [EXPLICIT_BIG_ENDIAN, IMPLICIT_LITTLE_ENDIAN] else # Compression: return [transfer_syntax] end end
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Returns an array of supported transfer syntaxes for the specified transfer syntax. For compressed transfer syntaxes, we currently do not support reencoding these to other syntaxes.
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3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_client.rb#L395-L406
22,323
dicom/ruby-dicom
lib/dicom/d_client.rb
DICOM.DClient.establish_association
def establish_association # Reset some variables: @association = false @request_approved = false # Initiate the association: @link.build_association_request(@presentation_contexts, @user_information) @link.start_session(@host_ip, @port) @link.transmit info = @link.receive_multiple_transmissions.first # Interpret the results: if info && info[:valid] if info[:pdu] == PDU_ASSOCIATION_ACCEPT # Values of importance are extracted and put into instance variables: @association = true @max_pdu_length = info[:max_pdu_length] logger.info("Association successfully negotiated with host #{@host_ae} (#{@host_ip}).") # Check if all our presentation contexts was accepted by the host: process_presentation_context_response(info[:pc]) else logger.error("Association was denied from host #{@host_ae} (#{@host_ip})!") end end end
ruby
def establish_association # Reset some variables: @association = false @request_approved = false # Initiate the association: @link.build_association_request(@presentation_contexts, @user_information) @link.start_session(@host_ip, @port) @link.transmit info = @link.receive_multiple_transmissions.first # Interpret the results: if info && info[:valid] if info[:pdu] == PDU_ASSOCIATION_ACCEPT # Values of importance are extracted and put into instance variables: @association = true @max_pdu_length = info[:max_pdu_length] logger.info("Association successfully negotiated with host #{@host_ae} (#{@host_ip}).") # Check if all our presentation contexts was accepted by the host: process_presentation_context_response(info[:pc]) else logger.error("Association was denied from host #{@host_ae} (#{@host_ip})!") end end end
[ "def", "establish_association", "# Reset some variables:", "@association", "=", "false", "@request_approved", "=", "false", "# Initiate the association:", "@link", ".", "build_association_request", "(", "@presentation_contexts", ",", "@user_information", ")", "@link", ".", "start_session", "(", "@host_ip", ",", "@port", ")", "@link", ".", "transmit", "info", "=", "@link", ".", "receive_multiple_transmissions", ".", "first", "# Interpret the results:", "if", "info", "&&", "info", "[", ":valid", "]", "if", "info", "[", ":pdu", "]", "==", "PDU_ASSOCIATION_ACCEPT", "# Values of importance are extracted and put into instance variables:", "@association", "=", "true", "@max_pdu_length", "=", "info", "[", ":max_pdu_length", "]", "logger", ".", "info", "(", "\"Association successfully negotiated with host #{@host_ae} (#{@host_ip}).\"", ")", "# Check if all our presentation contexts was accepted by the host:", "process_presentation_context_response", "(", "info", "[", ":pc", "]", ")", "else", "logger", ".", "error", "(", "\"Association was denied from host #{@host_ae} (#{@host_ip})!\"", ")", "end", "end", "end" ]
Opens a TCP session with the server, and handles the association request as well as the response.
[ "Opens", "a", "TCP", "session", "with", "the", "server", "and", "handles", "the", "association", "request", "as", "well", "as", "the", "response", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_client.rb#L410-L432
22,324
dicom/ruby-dicom
lib/dicom/d_client.rb
DICOM.DClient.establish_release
def establish_release @release = false if @abort @link.stop_session logger.info("Association has been closed. (#{@host_ae}, #{@host_ip})") else unless @link.session.closed? @link.build_release_request @link.transmit info = @link.receive_single_transmission.first @link.stop_session if info[:pdu] == PDU_RELEASE_RESPONSE logger.info("Association released properly from host #{@host_ae}.") else logger.error("Association released from host #{@host_ae}, but a release response was not registered.") end else logger.error("Connection was closed by the host (for some unknown reason) before the association could be released properly.") end end @abort = false end
ruby
def establish_release @release = false if @abort @link.stop_session logger.info("Association has been closed. (#{@host_ae}, #{@host_ip})") else unless @link.session.closed? @link.build_release_request @link.transmit info = @link.receive_single_transmission.first @link.stop_session if info[:pdu] == PDU_RELEASE_RESPONSE logger.info("Association released properly from host #{@host_ae}.") else logger.error("Association released from host #{@host_ae}, but a release response was not registered.") end else logger.error("Connection was closed by the host (for some unknown reason) before the association could be released properly.") end end @abort = false end
[ "def", "establish_release", "@release", "=", "false", "if", "@abort", "@link", ".", "stop_session", "logger", ".", "info", "(", "\"Association has been closed. (#{@host_ae}, #{@host_ip})\"", ")", "else", "unless", "@link", ".", "session", ".", "closed?", "@link", ".", "build_release_request", "@link", ".", "transmit", "info", "=", "@link", ".", "receive_single_transmission", ".", "first", "@link", ".", "stop_session", "if", "info", "[", ":pdu", "]", "==", "PDU_RELEASE_RESPONSE", "logger", ".", "info", "(", "\"Association released properly from host #{@host_ae}.\"", ")", "else", "logger", ".", "error", "(", "\"Association released from host #{@host_ae}, but a release response was not registered.\"", ")", "end", "else", "logger", ".", "error", "(", "\"Connection was closed by the host (for some unknown reason) before the association could be released properly.\"", ")", "end", "end", "@abort", "=", "false", "end" ]
Handles the release request along with the response, as well as closing the TCP connection.
[ "Handles", "the", "release", "request", "along", "with", "the", "response", "as", "well", "as", "closing", "the", "TCP", "connection", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_client.rb#L436-L457
22,325
dicom/ruby-dicom
lib/dicom/d_client.rb
DICOM.DClient.load_files
def load_files(files_or_objects) files_or_objects = [files_or_objects] unless files_or_objects.is_a?(Array) status = true message = "" objects = Array.new abstracts = Array.new id = 1 @presentation_contexts = Hash.new files_or_objects.each do |file_or_object| if file_or_object.is_a?(String) # Temporarily increase the log threshold to suppress messages from the DObject class: client_level = logger.level logger.level = Logger::FATAL dcm = DObject.read(file_or_object) # Reset the logg threshold: logger.level = client_level if dcm.read_success # Load the DICOM object: objects << dcm else status = false message = "Failed to read a DObject from this file: #{file_or_object}" end elsif file_or_object.is_a?(DObject) # Load the DICOM object and its abstract syntax: abstracts << file_or_object.value("0008,0016") objects << file_or_object else status = false message = "Array contains invalid object: #{file_or_object.class}." end end # Extract available transfer syntaxes for the various sop classes found amongst these objects syntaxes = Hash.new objects.each do |dcm| sop_class = dcm.value("0008,0016") if sop_class transfer_syntaxes = available_transfer_syntaxes(dcm.transfer_syntax) if syntaxes[sop_class] syntaxes[sop_class] << transfer_syntaxes else syntaxes[sop_class] = transfer_syntaxes end else status = false message = "Missing SOP Class UID. Unable to transmit DICOM object" end # Extract the unique variations of SOP Class and syntaxes and construct the presentation context hash: syntaxes.each_pair do |sop_class, ts| selected_transfer_syntaxes = ts.flatten.uniq @presentation_contexts[sop_class] = Hash.new selected_transfer_syntaxes.each do |syntax| @presentation_contexts[sop_class][id] = {:transfer_syntaxes => [syntax]} id += 2 end end end return objects, status, message end
ruby
def load_files(files_or_objects) files_or_objects = [files_or_objects] unless files_or_objects.is_a?(Array) status = true message = "" objects = Array.new abstracts = Array.new id = 1 @presentation_contexts = Hash.new files_or_objects.each do |file_or_object| if file_or_object.is_a?(String) # Temporarily increase the log threshold to suppress messages from the DObject class: client_level = logger.level logger.level = Logger::FATAL dcm = DObject.read(file_or_object) # Reset the logg threshold: logger.level = client_level if dcm.read_success # Load the DICOM object: objects << dcm else status = false message = "Failed to read a DObject from this file: #{file_or_object}" end elsif file_or_object.is_a?(DObject) # Load the DICOM object and its abstract syntax: abstracts << file_or_object.value("0008,0016") objects << file_or_object else status = false message = "Array contains invalid object: #{file_or_object.class}." end end # Extract available transfer syntaxes for the various sop classes found amongst these objects syntaxes = Hash.new objects.each do |dcm| sop_class = dcm.value("0008,0016") if sop_class transfer_syntaxes = available_transfer_syntaxes(dcm.transfer_syntax) if syntaxes[sop_class] syntaxes[sop_class] << transfer_syntaxes else syntaxes[sop_class] = transfer_syntaxes end else status = false message = "Missing SOP Class UID. Unable to transmit DICOM object" end # Extract the unique variations of SOP Class and syntaxes and construct the presentation context hash: syntaxes.each_pair do |sop_class, ts| selected_transfer_syntaxes = ts.flatten.uniq @presentation_contexts[sop_class] = Hash.new selected_transfer_syntaxes.each do |syntax| @presentation_contexts[sop_class][id] = {:transfer_syntaxes => [syntax]} id += 2 end end end return objects, status, message end
[ "def", "load_files", "(", "files_or_objects", ")", "files_or_objects", "=", "[", "files_or_objects", "]", "unless", "files_or_objects", ".", "is_a?", "(", "Array", ")", "status", "=", "true", "message", "=", "\"\"", "objects", "=", "Array", ".", "new", "abstracts", "=", "Array", ".", "new", "id", "=", "1", "@presentation_contexts", "=", "Hash", ".", "new", "files_or_objects", ".", "each", "do", "|", "file_or_object", "|", "if", "file_or_object", ".", "is_a?", "(", "String", ")", "# Temporarily increase the log threshold to suppress messages from the DObject class:", "client_level", "=", "logger", ".", "level", "logger", ".", "level", "=", "Logger", "::", "FATAL", "dcm", "=", "DObject", ".", "read", "(", "file_or_object", ")", "# Reset the logg threshold:", "logger", ".", "level", "=", "client_level", "if", "dcm", ".", "read_success", "# Load the DICOM object:", "objects", "<<", "dcm", "else", "status", "=", "false", "message", "=", "\"Failed to read a DObject from this file: #{file_or_object}\"", "end", "elsif", "file_or_object", ".", "is_a?", "(", "DObject", ")", "# Load the DICOM object and its abstract syntax:", "abstracts", "<<", "file_or_object", ".", "value", "(", "\"0008,0016\"", ")", "objects", "<<", "file_or_object", "else", "status", "=", "false", "message", "=", "\"Array contains invalid object: #{file_or_object.class}.\"", "end", "end", "# Extract available transfer syntaxes for the various sop classes found amongst these objects", "syntaxes", "=", "Hash", ".", "new", "objects", ".", "each", "do", "|", "dcm", "|", "sop_class", "=", "dcm", ".", "value", "(", "\"0008,0016\"", ")", "if", "sop_class", "transfer_syntaxes", "=", "available_transfer_syntaxes", "(", "dcm", ".", "transfer_syntax", ")", "if", "syntaxes", "[", "sop_class", "]", "syntaxes", "[", "sop_class", "]", "<<", "transfer_syntaxes", "else", "syntaxes", "[", "sop_class", "]", "=", "transfer_syntaxes", "end", "else", "status", "=", "false", "message", "=", "\"Missing SOP Class UID. Unable to transmit DICOM object\"", "end", "# Extract the unique variations of SOP Class and syntaxes and construct the presentation context hash:", "syntaxes", ".", "each_pair", "do", "|", "sop_class", ",", "ts", "|", "selected_transfer_syntaxes", "=", "ts", ".", "flatten", ".", "uniq", "@presentation_contexts", "[", "sop_class", "]", "=", "Hash", ".", "new", "selected_transfer_syntaxes", ".", "each", "do", "|", "syntax", "|", "@presentation_contexts", "[", "sop_class", "]", "[", "id", "]", "=", "{", ":transfer_syntaxes", "=>", "[", "syntax", "]", "}", "id", "+=", "2", "end", "end", "end", "return", "objects", ",", "status", ",", "message", "end" ]
Loads one or more DICOM files. Returns an array of DObject instances, an array of unique abstract syntaxes found among the files, a status boolean and a message string. === Parameters * <tt>files_or_objects</tt> -- A single file path or an array of paths, or a DObject or an array of DObject instances.
[ "Loads", "one", "or", "more", "DICOM", "files", ".", "Returns", "an", "array", "of", "DObject", "instances", "an", "array", "of", "unique", "abstract", "syntaxes", "found", "among", "the", "files", "a", "status", "boolean", "and", "a", "message", "string", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_client.rb#L474-L532
22,326
dicom/ruby-dicom
lib/dicom/d_client.rb
DICOM.DClient.perform_echo
def perform_echo # Open a DICOM link: establish_association if association_established? if request_approved? # Continue with our echo, since the request was accepted. # Set the query command elements array: set_command_fragment_echo @link.build_command_fragment(PDU_DATA, presentation_context_id, COMMAND_LAST_FRAGMENT, @command_elements) @link.transmit # Listen for incoming responses and interpret them individually, until we have received the last command fragment. segments = @link.receive_multiple_transmissions process_returned_data(segments) # Print stuff to screen? end # Close the DICOM link: establish_release end end
ruby
def perform_echo # Open a DICOM link: establish_association if association_established? if request_approved? # Continue with our echo, since the request was accepted. # Set the query command elements array: set_command_fragment_echo @link.build_command_fragment(PDU_DATA, presentation_context_id, COMMAND_LAST_FRAGMENT, @command_elements) @link.transmit # Listen for incoming responses and interpret them individually, until we have received the last command fragment. segments = @link.receive_multiple_transmissions process_returned_data(segments) # Print stuff to screen? end # Close the DICOM link: establish_release end end
[ "def", "perform_echo", "# Open a DICOM link:", "establish_association", "if", "association_established?", "if", "request_approved?", "# Continue with our echo, since the request was accepted.", "# Set the query command elements array:", "set_command_fragment_echo", "@link", ".", "build_command_fragment", "(", "PDU_DATA", ",", "presentation_context_id", ",", "COMMAND_LAST_FRAGMENT", ",", "@command_elements", ")", "@link", ".", "transmit", "# Listen for incoming responses and interpret them individually, until we have received the last command fragment.", "segments", "=", "@link", ".", "receive_multiple_transmissions", "process_returned_data", "(", "segments", ")", "# Print stuff to screen?", "end", "# Close the DICOM link:", "establish_release", "end", "end" ]
Handles the communication involved in a DICOM C-ECHO. Build the necessary strings and send the command and data element that makes up the echo request. Listens for and interpretes the incoming echo response.
[ "Handles", "the", "communication", "involved", "in", "a", "DICOM", "C", "-", "ECHO", ".", "Build", "the", "necessary", "strings", "and", "send", "the", "command", "and", "data", "element", "that", "makes", "up", "the", "echo", "request", ".", "Listens", "for", "and", "interpretes", "the", "incoming", "echo", "response", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_client.rb#L538-L556
22,327
dicom/ruby-dicom
lib/dicom/d_client.rb
DICOM.DClient.perform_get
def perform_get(path) # Open a DICOM link: establish_association if association_established? if request_approved? # Continue with our operation, since the request was accepted. @link.build_command_fragment(PDU_DATA, presentation_context_id, COMMAND_LAST_FRAGMENT, @command_elements) @link.transmit @link.build_data_fragment(@data_elements, presentation_context_id) @link.transmit # Listen for incoming file data: success = @link.handle_incoming_data(path) if success # Send confirmation response: @link.handle_response end end # Close the DICOM link: establish_release end end
ruby
def perform_get(path) # Open a DICOM link: establish_association if association_established? if request_approved? # Continue with our operation, since the request was accepted. @link.build_command_fragment(PDU_DATA, presentation_context_id, COMMAND_LAST_FRAGMENT, @command_elements) @link.transmit @link.build_data_fragment(@data_elements, presentation_context_id) @link.transmit # Listen for incoming file data: success = @link.handle_incoming_data(path) if success # Send confirmation response: @link.handle_response end end # Close the DICOM link: establish_release end end
[ "def", "perform_get", "(", "path", ")", "# Open a DICOM link:", "establish_association", "if", "association_established?", "if", "request_approved?", "# Continue with our operation, since the request was accepted.", "@link", ".", "build_command_fragment", "(", "PDU_DATA", ",", "presentation_context_id", ",", "COMMAND_LAST_FRAGMENT", ",", "@command_elements", ")", "@link", ".", "transmit", "@link", ".", "build_data_fragment", "(", "@data_elements", ",", "presentation_context_id", ")", "@link", ".", "transmit", "# Listen for incoming file data:", "success", "=", "@link", ".", "handle_incoming_data", "(", "path", ")", "if", "success", "# Send confirmation response:", "@link", ".", "handle_response", "end", "end", "# Close the DICOM link:", "establish_release", "end", "end" ]
Handles the communication involved in a DICOM C-GET. Builds and sends command & data fragment, then receives the incoming file data. -- FIXME: This method has never actually been tested, since it is difficult to find a host that accepts a c-get-rq.
[ "Handles", "the", "communication", "involved", "in", "a", "DICOM", "C", "-", "GET", ".", "Builds", "and", "sends", "command", "&", "data", "fragment", "then", "receives", "the", "incoming", "file", "data", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_client.rb#L590-L610
22,328
dicom/ruby-dicom
lib/dicom/d_client.rb
DICOM.DClient.perform_send
def perform_send(objects) objects.each_with_index do |dcm, index| # Gather necessary information from the object (SOP Class & Instance UID): sop_class = dcm.value("0008,0016") sop_instance = dcm.value("0008,0018") if sop_class and sop_instance # Only send the image if its sop_class has been accepted by the receiver: if @approved_syntaxes[sop_class] # Set the command array to be used: message_id = index + 1 set_command_fragment_store(sop_class, sop_instance, message_id) # Find context id and transfer syntax: presentation_context_id = @approved_syntaxes[sop_class][0] selected_transfer_syntax = @approved_syntaxes[sop_class][1] # Encode our DICOM object to a binary string which is split up in pieces, sufficiently small to fit within the specified maximum pdu length: # Set the transfer syntax of the DICOM object equal to the one accepted by the SCP: dcm.transfer_syntax = selected_transfer_syntax # Remove the Meta group, since it doesn't belong in a DICOM file transfer: dcm.delete_group(META_GROUP) max_header_length = 14 data_packages = dcm.encode_segments(@max_pdu_length - max_header_length, selected_transfer_syntax) @link.build_command_fragment(PDU_DATA, presentation_context_id, COMMAND_LAST_FRAGMENT, @command_elements) @link.transmit # Transmit all but the last data strings: last_data_package = data_packages.pop data_packages.each do |data_package| @link.build_storage_fragment(PDU_DATA, presentation_context_id, DATA_MORE_FRAGMENTS, data_package) @link.transmit end # Transmit the last data string: @link.build_storage_fragment(PDU_DATA, presentation_context_id, DATA_LAST_FRAGMENT, last_data_package) @link.transmit # Receive confirmation response: segments = @link.receive_single_transmission process_returned_data(segments) end else logger.error("Unable to extract SOP Class UID and/or SOP Instance UID for this DICOM object. File will not be sent to its destination.") end end end
ruby
def perform_send(objects) objects.each_with_index do |dcm, index| # Gather necessary information from the object (SOP Class & Instance UID): sop_class = dcm.value("0008,0016") sop_instance = dcm.value("0008,0018") if sop_class and sop_instance # Only send the image if its sop_class has been accepted by the receiver: if @approved_syntaxes[sop_class] # Set the command array to be used: message_id = index + 1 set_command_fragment_store(sop_class, sop_instance, message_id) # Find context id and transfer syntax: presentation_context_id = @approved_syntaxes[sop_class][0] selected_transfer_syntax = @approved_syntaxes[sop_class][1] # Encode our DICOM object to a binary string which is split up in pieces, sufficiently small to fit within the specified maximum pdu length: # Set the transfer syntax of the DICOM object equal to the one accepted by the SCP: dcm.transfer_syntax = selected_transfer_syntax # Remove the Meta group, since it doesn't belong in a DICOM file transfer: dcm.delete_group(META_GROUP) max_header_length = 14 data_packages = dcm.encode_segments(@max_pdu_length - max_header_length, selected_transfer_syntax) @link.build_command_fragment(PDU_DATA, presentation_context_id, COMMAND_LAST_FRAGMENT, @command_elements) @link.transmit # Transmit all but the last data strings: last_data_package = data_packages.pop data_packages.each do |data_package| @link.build_storage_fragment(PDU_DATA, presentation_context_id, DATA_MORE_FRAGMENTS, data_package) @link.transmit end # Transmit the last data string: @link.build_storage_fragment(PDU_DATA, presentation_context_id, DATA_LAST_FRAGMENT, last_data_package) @link.transmit # Receive confirmation response: segments = @link.receive_single_transmission process_returned_data(segments) end else logger.error("Unable to extract SOP Class UID and/or SOP Instance UID for this DICOM object. File will not be sent to its destination.") end end end
[ "def", "perform_send", "(", "objects", ")", "objects", ".", "each_with_index", "do", "|", "dcm", ",", "index", "|", "# Gather necessary information from the object (SOP Class & Instance UID):", "sop_class", "=", "dcm", ".", "value", "(", "\"0008,0016\"", ")", "sop_instance", "=", "dcm", ".", "value", "(", "\"0008,0018\"", ")", "if", "sop_class", "and", "sop_instance", "# Only send the image if its sop_class has been accepted by the receiver:", "if", "@approved_syntaxes", "[", "sop_class", "]", "# Set the command array to be used:", "message_id", "=", "index", "+", "1", "set_command_fragment_store", "(", "sop_class", ",", "sop_instance", ",", "message_id", ")", "# Find context id and transfer syntax:", "presentation_context_id", "=", "@approved_syntaxes", "[", "sop_class", "]", "[", "0", "]", "selected_transfer_syntax", "=", "@approved_syntaxes", "[", "sop_class", "]", "[", "1", "]", "# Encode our DICOM object to a binary string which is split up in pieces, sufficiently small to fit within the specified maximum pdu length:", "# Set the transfer syntax of the DICOM object equal to the one accepted by the SCP:", "dcm", ".", "transfer_syntax", "=", "selected_transfer_syntax", "# Remove the Meta group, since it doesn't belong in a DICOM file transfer:", "dcm", ".", "delete_group", "(", "META_GROUP", ")", "max_header_length", "=", "14", "data_packages", "=", "dcm", ".", "encode_segments", "(", "@max_pdu_length", "-", "max_header_length", ",", "selected_transfer_syntax", ")", "@link", ".", "build_command_fragment", "(", "PDU_DATA", ",", "presentation_context_id", ",", "COMMAND_LAST_FRAGMENT", ",", "@command_elements", ")", "@link", ".", "transmit", "# Transmit all but the last data strings:", "last_data_package", "=", "data_packages", ".", "pop", "data_packages", ".", "each", "do", "|", "data_package", "|", "@link", ".", "build_storage_fragment", "(", "PDU_DATA", ",", "presentation_context_id", ",", "DATA_MORE_FRAGMENTS", ",", "data_package", ")", "@link", ".", "transmit", "end", "# Transmit the last data string:", "@link", ".", "build_storage_fragment", "(", "PDU_DATA", ",", "presentation_context_id", ",", "DATA_LAST_FRAGMENT", ",", "last_data_package", ")", "@link", ".", "transmit", "# Receive confirmation response:", "segments", "=", "@link", ".", "receive_single_transmission", "process_returned_data", "(", "segments", ")", "end", "else", "logger", ".", "error", "(", "\"Unable to extract SOP Class UID and/or SOP Instance UID for this DICOM object. File will not be sent to its destination.\"", ")", "end", "end", "end" ]
Handles the communication involved in DICOM C-STORE. For each file, builds and sends command fragment, then builds and sends the data fragments that conveys the information from the selected DICOM file.
[ "Handles", "the", "communication", "involved", "in", "DICOM", "C", "-", "STORE", ".", "For", "each", "file", "builds", "and", "sends", "command", "fragment", "then", "builds", "and", "sends", "the", "data", "fragments", "that", "conveys", "the", "information", "from", "the", "selected", "DICOM", "file", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_client.rb#L639-L679
22,329
dicom/ruby-dicom
lib/dicom/d_client.rb
DICOM.DClient.process_presentation_context_response
def process_presentation_context_response(presentation_contexts) # Storing approved syntaxes in an Hash with the syntax as key and the value being an array with presentation context ID and the transfer syntax chosen by the SCP. @approved_syntaxes = Hash.new rejected = Hash.new # Reset the presentation context instance variable: @link.presentation_contexts = Hash.new accepted_pc = 0 presentation_contexts.each do |pc| # Determine what abstract syntax this particular presentation context's id corresponds to: id = pc[:presentation_context_id] raise "Error! Even presentation context ID received in the association response. This is not allowed according to the DICOM standard!" if id.even? abstract_syntax = find_abstract_syntax(id) if pc[:result] == 0 accepted_pc += 1 @approved_syntaxes[abstract_syntax] = [id, pc[:transfer_syntax]] @link.presentation_contexts[id] = pc[:transfer_syntax] else rejected[abstract_syntax] = [id, pc[:transfer_syntax]] end end if rejected.length == 0 @request_approved = true if @approved_syntaxes.length == 1 and presentation_contexts.length == 1 logger.info("The presentation context was accepted by host #{@host_ae}.") else logger.info("All #{presentation_contexts.length} presentation contexts were accepted by host #{@host_ae} (#{@host_ip}).") end else # We still consider the request 'approved' if at least one context were accepted: @request_approved = true if @approved_syntaxes.length > 0 logger.error("One or more of your presentation contexts were denied by host #{@host_ae}!") @approved_syntaxes.each_pair do |key, value| sntx_k = (LIBRARY.uid(key) ? LIBRARY.uid(key).name : 'Unknown UID!') sntx_v = (LIBRARY.uid(value[1]) ? LIBRARY.uid(value[1]).name : 'Unknown UID!') logger.info("APPROVED: #{sntx_k} (#{sntx_v})") end rejected.each_pair do |key, value| sntx_k = (LIBRARY.uid(key) ? LIBRARY.uid(key).name : 'Unknown UID!') sntx_v = (LIBRARY.uid(value[1]) ? LIBRARY.uid(value[1]).name : 'Unknown UID!') logger.error("REJECTED: #{sntx_k} (#{sntx_v})") end end end
ruby
def process_presentation_context_response(presentation_contexts) # Storing approved syntaxes in an Hash with the syntax as key and the value being an array with presentation context ID and the transfer syntax chosen by the SCP. @approved_syntaxes = Hash.new rejected = Hash.new # Reset the presentation context instance variable: @link.presentation_contexts = Hash.new accepted_pc = 0 presentation_contexts.each do |pc| # Determine what abstract syntax this particular presentation context's id corresponds to: id = pc[:presentation_context_id] raise "Error! Even presentation context ID received in the association response. This is not allowed according to the DICOM standard!" if id.even? abstract_syntax = find_abstract_syntax(id) if pc[:result] == 0 accepted_pc += 1 @approved_syntaxes[abstract_syntax] = [id, pc[:transfer_syntax]] @link.presentation_contexts[id] = pc[:transfer_syntax] else rejected[abstract_syntax] = [id, pc[:transfer_syntax]] end end if rejected.length == 0 @request_approved = true if @approved_syntaxes.length == 1 and presentation_contexts.length == 1 logger.info("The presentation context was accepted by host #{@host_ae}.") else logger.info("All #{presentation_contexts.length} presentation contexts were accepted by host #{@host_ae} (#{@host_ip}).") end else # We still consider the request 'approved' if at least one context were accepted: @request_approved = true if @approved_syntaxes.length > 0 logger.error("One or more of your presentation contexts were denied by host #{@host_ae}!") @approved_syntaxes.each_pair do |key, value| sntx_k = (LIBRARY.uid(key) ? LIBRARY.uid(key).name : 'Unknown UID!') sntx_v = (LIBRARY.uid(value[1]) ? LIBRARY.uid(value[1]).name : 'Unknown UID!') logger.info("APPROVED: #{sntx_k} (#{sntx_v})") end rejected.each_pair do |key, value| sntx_k = (LIBRARY.uid(key) ? LIBRARY.uid(key).name : 'Unknown UID!') sntx_v = (LIBRARY.uid(value[1]) ? LIBRARY.uid(value[1]).name : 'Unknown UID!') logger.error("REJECTED: #{sntx_k} (#{sntx_v})") end end end
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Processes the presentation contexts that are received in the association response to extract the transfer syntaxes which have been accepted for the various abstract syntaxes. === Parameters * <tt>presentation_contexts</tt> -- An array where each index contains a presentation context hash.
[ "Processes", "the", "presentation", "contexts", "that", "are", "received", "in", "the", "association", "response", "to", "extract", "the", "transfer", "syntaxes", "which", "have", "been", "accepted", "for", "the", "various", "abstract", "syntaxes", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_client.rb#L688-L730
22,330
dicom/ruby-dicom
lib/dicom/d_client.rb
DICOM.DClient.process_returned_data
def process_returned_data(segments) # Reset command results arrays: @command_results = Array.new @data_results = Array.new # Try to extract data: segments.each do |info| if info[:valid] # Determine if it is command or data: if info[:presentation_context_flag] == COMMAND_LAST_FRAGMENT @command_results << info[:results] elsif info[:presentation_context_flag] == DATA_LAST_FRAGMENT @data_results << info[:results] end end end end
ruby
def process_returned_data(segments) # Reset command results arrays: @command_results = Array.new @data_results = Array.new # Try to extract data: segments.each do |info| if info[:valid] # Determine if it is command or data: if info[:presentation_context_flag] == COMMAND_LAST_FRAGMENT @command_results << info[:results] elsif info[:presentation_context_flag] == DATA_LAST_FRAGMENT @data_results << info[:results] end end end end
[ "def", "process_returned_data", "(", "segments", ")", "# Reset command results arrays:", "@command_results", "=", "Array", ".", "new", "@data_results", "=", "Array", ".", "new", "# Try to extract data:", "segments", ".", "each", "do", "|", "info", "|", "if", "info", "[", ":valid", "]", "# Determine if it is command or data:", "if", "info", "[", ":presentation_context_flag", "]", "==", "COMMAND_LAST_FRAGMENT", "@command_results", "<<", "info", "[", ":results", "]", "elsif", "info", "[", ":presentation_context_flag", "]", "==", "DATA_LAST_FRAGMENT", "@data_results", "<<", "info", "[", ":results", "]", "end", "end", "end", "end" ]
Processes the array of information hashes that was returned from the interaction with the SCP and transfers it to the instance variables where command and data results are stored.
[ "Processes", "the", "array", "of", "information", "hashes", "that", "was", "returned", "from", "the", "interaction", "with", "the", "SCP", "and", "transfers", "it", "to", "the", "instance", "variables", "where", "command", "and", "data", "results", "are", "stored", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_client.rb#L735-L750
22,331
dicom/ruby-dicom
lib/dicom/d_client.rb
DICOM.DClient.set_default_presentation_context
def set_default_presentation_context(abstract_syntax) raise ArgumentError, "Expected String, got #{abstract_syntax.class}" unless abstract_syntax.is_a?(String) id = 1 transfer_syntaxes = [IMPLICIT_LITTLE_ENDIAN, EXPLICIT_LITTLE_ENDIAN, EXPLICIT_BIG_ENDIAN] item = {:transfer_syntaxes => transfer_syntaxes} pc = {id => item} @presentation_contexts = {abstract_syntax => pc} end
ruby
def set_default_presentation_context(abstract_syntax) raise ArgumentError, "Expected String, got #{abstract_syntax.class}" unless abstract_syntax.is_a?(String) id = 1 transfer_syntaxes = [IMPLICIT_LITTLE_ENDIAN, EXPLICIT_LITTLE_ENDIAN, EXPLICIT_BIG_ENDIAN] item = {:transfer_syntaxes => transfer_syntaxes} pc = {id => item} @presentation_contexts = {abstract_syntax => pc} end
[ "def", "set_default_presentation_context", "(", "abstract_syntax", ")", "raise", "ArgumentError", ",", "\"Expected String, got #{abstract_syntax.class}\"", "unless", "abstract_syntax", ".", "is_a?", "(", "String", ")", "id", "=", "1", "transfer_syntaxes", "=", "[", "IMPLICIT_LITTLE_ENDIAN", ",", "EXPLICIT_LITTLE_ENDIAN", ",", "EXPLICIT_BIG_ENDIAN", "]", "item", "=", "{", ":transfer_syntaxes", "=>", "transfer_syntaxes", "}", "pc", "=", "{", "id", "=>", "item", "}", "@presentation_contexts", "=", "{", "abstract_syntax", "=>", "pc", "}", "end" ]
Creates the presentation context used for the non-file-transmission association requests..
[ "Creates", "the", "presentation", "context", "used", "for", "the", "non", "-", "file", "-", "transmission", "association", "requests", ".." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_client.rb#L867-L874
22,332
dicom/ruby-dicom
lib/dicom/d_client.rb
DICOM.DClient.set_data_elements
def set_data_elements(options) @data_elements = [] options.keys.sort.each do |tag| @data_elements << [ tag, options[tag] ] unless options[tag].nil? end end
ruby
def set_data_elements(options) @data_elements = [] options.keys.sort.each do |tag| @data_elements << [ tag, options[tag] ] unless options[tag].nil? end end
[ "def", "set_data_elements", "(", "options", ")", "@data_elements", "=", "[", "]", "options", ".", "keys", ".", "sort", ".", "each", "do", "|", "tag", "|", "@data_elements", "<<", "[", "tag", ",", "options", "[", "tag", "]", "]", "unless", "options", "[", "tag", "]", ".", "nil?", "end", "end" ]
Sets the data_elements instance array with the given options.
[ "Sets", "the", "data_elements", "instance", "array", "with", "the", "given", "options", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_client.rb#L910-L915
22,333
calabash/calabash
lib/calabash/console_helpers.rb
Calabash.ConsoleHelpers.reload_git_files
def reload_git_files files_to_reload = (`git status`.lines.grep(/modified/).map{|l| l.split(" ").last.gsub('../', '')} + `git ls-files --others --exclude-standard`.lines).map(&:chomp) $LOADED_FEATURES.each do |file| files_to_reload.each do |reload_name| if file.end_with?(reload_name) puts "LOADING #{file}" load file break end end end true end
ruby
def reload_git_files files_to_reload = (`git status`.lines.grep(/modified/).map{|l| l.split(" ").last.gsub('../', '')} + `git ls-files --others --exclude-standard`.lines).map(&:chomp) $LOADED_FEATURES.each do |file| files_to_reload.each do |reload_name| if file.end_with?(reload_name) puts "LOADING #{file}" load file break end end end true end
[ "def", "reload_git_files", "files_to_reload", "=", "(", "`", "`", ".", "lines", ".", "grep", "(", "/", "/", ")", ".", "map", "{", "|", "l", "|", "l", ".", "split", "(", "\" \"", ")", ".", "last", ".", "gsub", "(", "'../'", ",", "''", ")", "}", "+", "`", "`", ".", "lines", ")", ".", "map", "(", ":chomp", ")", "$LOADED_FEATURES", ".", "each", "do", "|", "file", "|", "files_to_reload", ".", "each", "do", "|", "reload_name", "|", "if", "file", ".", "end_with?", "(", "reload_name", ")", "puts", "\"LOADING #{file}\"", "load", "file", "break", "end", "end", "end", "true", "end" ]
Reloads all required files that have git changes
[ "Reloads", "all", "required", "files", "that", "have", "git", "changes" ]
fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745
https://github.com/calabash/calabash/blob/fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745/lib/calabash/console_helpers.rb#L9-L25
22,334
calabash/calabash
lib/calabash/console_helpers.rb
Calabash.ConsoleHelpers.cal_methods
def cal_methods c = Class.new(BasicObject) do include Calabash end ConsoleHelpers.puts_unbound_methods(c, 'cal.') true end
ruby
def cal_methods c = Class.new(BasicObject) do include Calabash end ConsoleHelpers.puts_unbound_methods(c, 'cal.') true end
[ "def", "cal_methods", "c", "=", "Class", ".", "new", "(", "BasicObject", ")", "do", "include", "Calabash", "end", "ConsoleHelpers", ".", "puts_unbound_methods", "(", "c", ",", "'cal.'", ")", "true", "end" ]
Outputs all calabash methods
[ "Outputs", "all", "calabash", "methods" ]
fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745
https://github.com/calabash/calabash/blob/fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745/lib/calabash/console_helpers.rb#L28-L35
22,335
calabash/calabash
lib/calabash/console_helpers.rb
Calabash.ConsoleHelpers.cal_method
def cal_method(method) c = Class.new(BasicObject) do include Calabash end ConsoleHelpers.puts_unbound_method(c, method.to_sym, 'cal.') true end
ruby
def cal_method(method) c = Class.new(BasicObject) do include Calabash end ConsoleHelpers.puts_unbound_method(c, method.to_sym, 'cal.') true end
[ "def", "cal_method", "(", "method", ")", "c", "=", "Class", ".", "new", "(", "BasicObject", ")", "do", "include", "Calabash", "end", "ConsoleHelpers", ".", "puts_unbound_method", "(", "c", ",", "method", ".", "to_sym", ",", "'cal.'", ")", "true", "end" ]
Outputs a calabash method
[ "Outputs", "a", "calabash", "method" ]
fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745
https://github.com/calabash/calabash/blob/fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745/lib/calabash/console_helpers.rb#L38-L45
22,336
calabash/calabash
lib/calabash/console_helpers.rb
Calabash.ConsoleHelpers.cal_ios_methods
def cal_ios_methods c = Class.new(BasicObject) do include Calabash::IOSInternal end ConsoleHelpers.puts_unbound_methods(c, 'cal_ios.') true end
ruby
def cal_ios_methods c = Class.new(BasicObject) do include Calabash::IOSInternal end ConsoleHelpers.puts_unbound_methods(c, 'cal_ios.') true end
[ "def", "cal_ios_methods", "c", "=", "Class", ".", "new", "(", "BasicObject", ")", "do", "include", "Calabash", "::", "IOSInternal", "end", "ConsoleHelpers", ".", "puts_unbound_methods", "(", "c", ",", "'cal_ios.'", ")", "true", "end" ]
Outputs all calabash iOS methods
[ "Outputs", "all", "calabash", "iOS", "methods" ]
fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745
https://github.com/calabash/calabash/blob/fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745/lib/calabash/console_helpers.rb#L48-L55
22,337
calabash/calabash
lib/calabash/console_helpers.rb
Calabash.ConsoleHelpers.cal_android_methods
def cal_android_methods c = Class.new(BasicObject) do include Calabash::AndroidInternal end ConsoleHelpers.puts_unbound_methods(c, 'cal_android.') true end
ruby
def cal_android_methods c = Class.new(BasicObject) do include Calabash::AndroidInternal end ConsoleHelpers.puts_unbound_methods(c, 'cal_android.') true end
[ "def", "cal_android_methods", "c", "=", "Class", ".", "new", "(", "BasicObject", ")", "do", "include", "Calabash", "::", "AndroidInternal", "end", "ConsoleHelpers", ".", "puts_unbound_methods", "(", "c", ",", "'cal_android.'", ")", "true", "end" ]
Outputs all calabash Android methods
[ "Outputs", "all", "calabash", "Android", "methods" ]
fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745
https://github.com/calabash/calabash/blob/fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745/lib/calabash/console_helpers.rb#L68-L75
22,338
calabash/calabash
lib/calabash/console_helpers.rb
Calabash.ConsoleHelpers.tree
def tree ConsoleHelpers.dump(Calabash::Internal.with_current_target {|target| target.dump}) true end
ruby
def tree ConsoleHelpers.dump(Calabash::Internal.with_current_target {|target| target.dump}) true end
[ "def", "tree", "ConsoleHelpers", ".", "dump", "(", "Calabash", "::", "Internal", ".", "with_current_target", "{", "|", "target", "|", "target", ".", "dump", "}", ")", "true", "end" ]
Outputs all visible elements as a tree.
[ "Outputs", "all", "visible", "elements", "as", "a", "tree", "." ]
fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745
https://github.com/calabash/calabash/blob/fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745/lib/calabash/console_helpers.rb#L88-L91
22,339
calabash/calabash
lib/calabash/console_helpers.rb
Calabash.ConsoleHelpers.verbose
def verbose if Calabash::Logger.log_levels.include?(:debug) puts Color.blue('Debug logging is already turned on.') else Calabash::Logger.log_levels << :debug puts Color.blue('Turned on debug logging.') end true end
ruby
def verbose if Calabash::Logger.log_levels.include?(:debug) puts Color.blue('Debug logging is already turned on.') else Calabash::Logger.log_levels << :debug puts Color.blue('Turned on debug logging.') end true end
[ "def", "verbose", "if", "Calabash", "::", "Logger", ".", "log_levels", ".", "include?", "(", ":debug", ")", "puts", "Color", ".", "blue", "(", "'Debug logging is already turned on.'", ")", "else", "Calabash", "::", "Logger", ".", "log_levels", "<<", ":debug", "puts", "Color", ".", "blue", "(", "'Turned on debug logging.'", ")", "end", "true", "end" ]
Turn on debug logging.
[ "Turn", "on", "debug", "logging", "." ]
fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745
https://github.com/calabash/calabash/blob/fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745/lib/calabash/console_helpers.rb#L147-L156
22,340
calabash/calabash
lib/calabash/console_helpers.rb
Calabash.ConsoleHelpers.quiet
def quiet if Calabash::Logger.log_levels.include?(:debug) puts Color.blue('Turned off debug logging.') Calabash::Logger.log_levels.delete(:debug) else puts Color.blue('Debug logging is already turned off.') end true end
ruby
def quiet if Calabash::Logger.log_levels.include?(:debug) puts Color.blue('Turned off debug logging.') Calabash::Logger.log_levels.delete(:debug) else puts Color.blue('Debug logging is already turned off.') end true end
[ "def", "quiet", "if", "Calabash", "::", "Logger", ".", "log_levels", ".", "include?", "(", ":debug", ")", "puts", "Color", ".", "blue", "(", "'Turned off debug logging.'", ")", "Calabash", "::", "Logger", ".", "log_levels", ".", "delete", "(", ":debug", ")", "else", "puts", "Color", ".", "blue", "(", "'Debug logging is already turned off.'", ")", "end", "true", "end" ]
Turn off debug logging.
[ "Turn", "off", "debug", "logging", "." ]
fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745
https://github.com/calabash/calabash/blob/fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745/lib/calabash/console_helpers.rb#L159-L168
22,341
dicom/ruby-dicom
lib/dicom/stream.rb
DICOM.Stream.decode
def decode(length, type) raise ArgumentError, "Invalid argument length. Expected Integer, got #{length.class}" unless length.is_a?(Integer) raise ArgumentError, "Invalid argument type. Expected string, got #{type.class}" unless type.is_a?(String) value = nil if (@index + length) <= @string.length # There are sufficient bytes remaining to extract the value: if type == 'AT' # We need to guard ourselves against the case where a string contains an invalid 'AT' value: if length == 4 value = decode_tag else # Invalid. Just return nil. skip(length) end else # Decode the binary string and return value: value = @string.slice(@index, length).unpack(vr_to_str(type)) # If the result is an array of one element, return the element instead of the array. # If result is contained in a multi-element array, the original array is returned. if value.length == 1 value = value[0] # If value is a string, strip away possible trailing whitespace: value = value.rstrip if value.is_a?(String) end # Update our position in the string: skip(length) end end value end
ruby
def decode(length, type) raise ArgumentError, "Invalid argument length. Expected Integer, got #{length.class}" unless length.is_a?(Integer) raise ArgumentError, "Invalid argument type. Expected string, got #{type.class}" unless type.is_a?(String) value = nil if (@index + length) <= @string.length # There are sufficient bytes remaining to extract the value: if type == 'AT' # We need to guard ourselves against the case where a string contains an invalid 'AT' value: if length == 4 value = decode_tag else # Invalid. Just return nil. skip(length) end else # Decode the binary string and return value: value = @string.slice(@index, length).unpack(vr_to_str(type)) # If the result is an array of one element, return the element instead of the array. # If result is contained in a multi-element array, the original array is returned. if value.length == 1 value = value[0] # If value is a string, strip away possible trailing whitespace: value = value.rstrip if value.is_a?(String) end # Update our position in the string: skip(length) end end value end
[ "def", "decode", "(", "length", ",", "type", ")", "raise", "ArgumentError", ",", "\"Invalid argument length. Expected Integer, got #{length.class}\"", "unless", "length", ".", "is_a?", "(", "Integer", ")", "raise", "ArgumentError", ",", "\"Invalid argument type. Expected string, got #{type.class}\"", "unless", "type", ".", "is_a?", "(", "String", ")", "value", "=", "nil", "if", "(", "@index", "+", "length", ")", "<=", "@string", ".", "length", "# There are sufficient bytes remaining to extract the value:", "if", "type", "==", "'AT'", "# We need to guard ourselves against the case where a string contains an invalid 'AT' value:", "if", "length", "==", "4", "value", "=", "decode_tag", "else", "# Invalid. Just return nil.", "skip", "(", "length", ")", "end", "else", "# Decode the binary string and return value:", "value", "=", "@string", ".", "slice", "(", "@index", ",", "length", ")", ".", "unpack", "(", "vr_to_str", "(", "type", ")", ")", "# If the result is an array of one element, return the element instead of the array.", "# If result is contained in a multi-element array, the original array is returned.", "if", "value", ".", "length", "==", "1", "value", "=", "value", "[", "0", "]", "# If value is a string, strip away possible trailing whitespace:", "value", "=", "value", ".", "rstrip", "if", "value", ".", "is_a?", "(", "String", ")", "end", "# Update our position in the string:", "skip", "(", "length", ")", "end", "end", "value", "end" ]
Decodes a section of the instance string. The instance index is offset in accordance with the length read. @note If multiple numbers are decoded, these are returned in an array. @param [Integer] length the string length to be decoded @param [String] type the type (vr) of data to decode @return [String, Integer, Float, Array] the formatted (decoded) data
[ "Decodes", "a", "section", "of", "the", "instance", "string", ".", "The", "instance", "index", "is", "offset", "in", "accordance", "with", "the", "length", "read", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/stream.rb#L63-L92
22,342
dicom/ruby-dicom
lib/dicom/stream.rb
DICOM.Stream.decode_tag
def decode_tag length = 4 tag = nil if (@index + length) <= @string.length # There are sufficient bytes remaining to extract a full tag: str = @string.slice(@index, length).unpack(@hex)[0].upcase if @equal_endian tag = "#{str[2..3]}#{str[0..1]},#{str[6..7]}#{str[4..5]}" else tag = "#{str[0..3]},#{str[4..7]}" end # Update our position in the string: skip(length) end tag end
ruby
def decode_tag length = 4 tag = nil if (@index + length) <= @string.length # There are sufficient bytes remaining to extract a full tag: str = @string.slice(@index, length).unpack(@hex)[0].upcase if @equal_endian tag = "#{str[2..3]}#{str[0..1]},#{str[6..7]}#{str[4..5]}" else tag = "#{str[0..3]},#{str[4..7]}" end # Update our position in the string: skip(length) end tag end
[ "def", "decode_tag", "length", "=", "4", "tag", "=", "nil", "if", "(", "@index", "+", "length", ")", "<=", "@string", ".", "length", "# There are sufficient bytes remaining to extract a full tag:", "str", "=", "@string", ".", "slice", "(", "@index", ",", "length", ")", ".", "unpack", "(", "@hex", ")", "[", "0", "]", ".", "upcase", "if", "@equal_endian", "tag", "=", "\"#{str[2..3]}#{str[0..1]},#{str[6..7]}#{str[4..5]}\"", "else", "tag", "=", "\"#{str[0..3]},#{str[4..7]}\"", "end", "# Update our position in the string:", "skip", "(", "length", ")", "end", "tag", "end" ]
Decodes 4 bytes of the instance string and formats it as a ruby-dicom tag string. @return [String, NilClass] a formatted tag string ('GGGG,EEEE'), or nil (e.g. if at end of string)
[ "Decodes", "4", "bytes", "of", "the", "instance", "string", "and", "formats", "it", "as", "a", "ruby", "-", "dicom", "tag", "string", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/stream.rb#L111-L126
22,343
dicom/ruby-dicom
lib/dicom/stream.rb
DICOM.Stream.encode
def encode(value, type) raise ArgumentError, "Invalid argument type. Expected string, got #{type.class}" unless type.is_a?(String) value = [value] unless value.is_a?(Array) return value.pack(vr_to_str(type)) end
ruby
def encode(value, type) raise ArgumentError, "Invalid argument type. Expected string, got #{type.class}" unless type.is_a?(String) value = [value] unless value.is_a?(Array) return value.pack(vr_to_str(type)) end
[ "def", "encode", "(", "value", ",", "type", ")", "raise", "ArgumentError", ",", "\"Invalid argument type. Expected string, got #{type.class}\"", "unless", "type", ".", "is_a?", "(", "String", ")", "value", "=", "[", "value", "]", "unless", "value", ".", "is_a?", "(", "Array", ")", "return", "value", ".", "pack", "(", "vr_to_str", "(", "type", ")", ")", "end" ]
Encodes a given value to a binary string. @param [String, Integer, Float, Array] value a formatted value (String, Integer, etc..) or an array of numbers @param [String] type the type (vr) of data to encode @return [String] an encoded binary string
[ "Encodes", "a", "given", "value", "to", "a", "binary", "string", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/stream.rb#L134-L138
22,344
dicom/ruby-dicom
lib/dicom/stream.rb
DICOM.Stream.encode_string_with_trailing_spaces
def encode_string_with_trailing_spaces(string, target_length) length = string.length if length < target_length return "#{[string].pack(@str)}#{['20'*(target_length-length)].pack(@hex)}" elsif length == target_length return [string].pack(@str) else raise "The specified string is longer than the allowed maximum length (String: #{string}, Target length: #{target_length})." end end
ruby
def encode_string_with_trailing_spaces(string, target_length) length = string.length if length < target_length return "#{[string].pack(@str)}#{['20'*(target_length-length)].pack(@hex)}" elsif length == target_length return [string].pack(@str) else raise "The specified string is longer than the allowed maximum length (String: #{string}, Target length: #{target_length})." end end
[ "def", "encode_string_with_trailing_spaces", "(", "string", ",", "target_length", ")", "length", "=", "string", ".", "length", "if", "length", "<", "target_length", "return", "\"#{[string].pack(@str)}#{['20'*(target_length-length)].pack(@hex)}\"", "elsif", "length", "==", "target_length", "return", "[", "string", "]", ".", "pack", "(", "@str", ")", "else", "raise", "\"The specified string is longer than the allowed maximum length (String: #{string}, Target length: #{target_length}).\"", "end", "end" ]
Appends a string with trailling spaces to achieve a target length, and encodes it to a binary string. @param [String] string a string to be padded @param [Integer] target_length the target length of the string @return [String] an encoded binary string
[ "Appends", "a", "string", "with", "trailling", "spaces", "to", "achieve", "a", "target", "length", "and", "encodes", "it", "to", "a", "binary", "string", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/stream.rb#L166-L175
22,345
dicom/ruby-dicom
lib/dicom/stream.rb
DICOM.Stream.encode_value
def encode_value(value, vr) if vr == 'AT' bin = encode_tag(value) else # Make sure the value is in an array: value = [value] unless value.is_a?(Array) # Get the proper pack string: type = vr_to_str(vr) # Encode: bin = value.pack(type) # Add an empty byte if the resulting binary has an odd length: bin = "#{bin}#{@pad_byte[vr]}" if bin.length.odd? end return bin end
ruby
def encode_value(value, vr) if vr == 'AT' bin = encode_tag(value) else # Make sure the value is in an array: value = [value] unless value.is_a?(Array) # Get the proper pack string: type = vr_to_str(vr) # Encode: bin = value.pack(type) # Add an empty byte if the resulting binary has an odd length: bin = "#{bin}#{@pad_byte[vr]}" if bin.length.odd? end return bin end
[ "def", "encode_value", "(", "value", ",", "vr", ")", "if", "vr", "==", "'AT'", "bin", "=", "encode_tag", "(", "value", ")", "else", "# Make sure the value is in an array:", "value", "=", "[", "value", "]", "unless", "value", ".", "is_a?", "(", "Array", ")", "# Get the proper pack string:", "type", "=", "vr_to_str", "(", "vr", ")", "# Encode:", "bin", "=", "value", ".", "pack", "(", "type", ")", "# Add an empty byte if the resulting binary has an odd length:", "bin", "=", "\"#{bin}#{@pad_byte[vr]}\"", "if", "bin", ".", "length", ".", "odd?", "end", "return", "bin", "end" ]
Encodes a value, and if the the resulting binary string has an odd length, appends a proper padding byte to make it even length. @param [String, Integer, Float, Array] value a formatted value (String, Integer, etc..) or an array of numbers @param [String] vr the value representation of data to encode @return [String] the encoded binary string
[ "Encodes", "a", "value", "and", "if", "the", "the", "resulting", "binary", "string", "has", "an", "odd", "length", "appends", "a", "proper", "padding", "byte", "to", "make", "it", "even", "length", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/stream.rb#L195-L209
22,346
calabash/calabash
lib/calabash/interactions.rb
Calabash.Interactions.backdoor
def backdoor(name, *arguments) Calabash::Internal.with_current_target {|target| target.backdoor(name, *arguments)} end
ruby
def backdoor(name, *arguments) Calabash::Internal.with_current_target {|target| target.backdoor(name, *arguments)} end
[ "def", "backdoor", "(", "name", ",", "*", "arguments", ")", "Calabash", "::", "Internal", ".", "with_current_target", "{", "|", "target", "|", "target", ".", "backdoor", "(", "name", ",", "arguments", ")", "}", "end" ]
Invoke a method in your application. This is an escape hatch for calling an arbitrary hook inside (the test build) of your app. Commonly used to "go around" the UI for speed purposes or reset the app to a good known state. For iOS this method calls a method on the app's AppDelegate object. For Android this method tries to invoke a method on the current Activity instance. If the method is not defined in the current activity, Calabash tries to invoke the method on the current Application instance. @note The Android implementation accepts any number of arguments, of any type including null (Ruby nil). The iOS implementation does not accept more than one argument, of the type NSString (Ruby String) or NSDictionary (Ruby Hash). ### For iOS You must create a method on you app delegate of the form: - (NSString *) calabashBackdoor:(NSString *)aIgnorable; or if you want to pass parameters - (NSString *) calabashBackdoor:(NSDictionary *)params; ### For Android You must create a public method in your current Activity or Application. public <return type> calabashBackdoor(String param1, int param2) @example # iOS backdoor('calabashBackdoor:', '') @example # iOS backdoor('calabashBackdoor:', {example:'param'}) @example # Android backdoor('calabashBackdoor', 'first argument', 2) @param [String] name The selector/method name. @param [Object] arguments A comma separated list of arguments to be passed to the backdoor selector/method. @return [Object] the result of performing the selector/method with the arguments (serialized)
[ "Invoke", "a", "method", "in", "your", "application", "." ]
fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745
https://github.com/calabash/calabash/blob/fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745/lib/calabash/interactions.rb#L128-L130
22,347
dicom/ruby-dicom
lib/dicom/d_server.rb
DICOM.DServer.add_abstract_syntax
def add_abstract_syntax(uid) lib_uid = LIBRARY.uid(uid) raise "Invalid/unknown UID: #{uid}" unless lib_uid @accepted_abstract_syntaxes[uid] = lib_uid.name end
ruby
def add_abstract_syntax(uid) lib_uid = LIBRARY.uid(uid) raise "Invalid/unknown UID: #{uid}" unless lib_uid @accepted_abstract_syntaxes[uid] = lib_uid.name end
[ "def", "add_abstract_syntax", "(", "uid", ")", "lib_uid", "=", "LIBRARY", ".", "uid", "(", "uid", ")", "raise", "\"Invalid/unknown UID: #{uid}\"", "unless", "lib_uid", "@accepted_abstract_syntaxes", "[", "uid", "]", "=", "lib_uid", ".", "name", "end" ]
Creates a DServer instance. @note To customize logging behaviour, refer to the Logging module documentation. @param [Integer] port the network port to be used @param [Hash] options the options to use for the DICOM server @option options [String] :file_handler a customized FileHandler class to use instead of the default FileHandler @option options [String] :host the hostname that the TCPServer binds to (defaults to '0.0.0.0') @option options [String] :host_ae the name of the server (application entity) @option options [String] :max_package_size the maximum allowed size of network packages (in bytes) @option options [String] :timeout the number of seconds the server will wait on an answer from a client before aborting the communication @example Create a server using default settings s = DICOM::DServer.new @example Create a server with a specific host name and a custom buildt file handler require_relative 'my_file_handler' server = DICOM::DServer.new(104, :host_ae => "RUBY_SERVER", :file_handler => DICOM::MyFileHandler) Adds an abstract syntax to the list of abstract syntaxes that the server will accept. @param [String] uid an abstract syntax UID
[ "Creates", "a", "DServer", "instance", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_server.rb#L89-L93
22,348
dicom/ruby-dicom
lib/dicom/d_server.rb
DICOM.DServer.add_transfer_syntax
def add_transfer_syntax(uid) lib_uid = LIBRARY.uid(uid) raise "Invalid/unknown UID: #{uid}" unless lib_uid @accepted_transfer_syntaxes[uid] = lib_uid.name end
ruby
def add_transfer_syntax(uid) lib_uid = LIBRARY.uid(uid) raise "Invalid/unknown UID: #{uid}" unless lib_uid @accepted_transfer_syntaxes[uid] = lib_uid.name end
[ "def", "add_transfer_syntax", "(", "uid", ")", "lib_uid", "=", "LIBRARY", ".", "uid", "(", "uid", ")", "raise", "\"Invalid/unknown UID: #{uid}\"", "unless", "lib_uid", "@accepted_transfer_syntaxes", "[", "uid", "]", "=", "lib_uid", ".", "name", "end" ]
Adds a transfer syntax to the list of transfer syntaxes that the server will accept. @param [String] uid a transfer syntax UID
[ "Adds", "a", "transfer", "syntax", "to", "the", "list", "of", "transfer", "syntaxes", "that", "the", "server", "will", "accept", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_server.rb#L99-L103
22,349
dicom/ruby-dicom
lib/dicom/d_server.rb
DICOM.DServer.print_abstract_syntaxes
def print_abstract_syntaxes # Determine length of longest key to ensure pretty print: max_uid = @accepted_abstract_syntaxes.keys.collect{|k| k.length}.max puts "Abstract syntaxes which are accepted by this SCP:" @accepted_abstract_syntaxes.sort.each do |pair| puts "#{pair[0]}#{' '*(max_uid-pair[0].length)} #{pair[1]}" end end
ruby
def print_abstract_syntaxes # Determine length of longest key to ensure pretty print: max_uid = @accepted_abstract_syntaxes.keys.collect{|k| k.length}.max puts "Abstract syntaxes which are accepted by this SCP:" @accepted_abstract_syntaxes.sort.each do |pair| puts "#{pair[0]}#{' '*(max_uid-pair[0].length)} #{pair[1]}" end end
[ "def", "print_abstract_syntaxes", "# Determine length of longest key to ensure pretty print:", "max_uid", "=", "@accepted_abstract_syntaxes", ".", "keys", ".", "collect", "{", "|", "k", "|", "k", ".", "length", "}", ".", "max", "puts", "\"Abstract syntaxes which are accepted by this SCP:\"", "@accepted_abstract_syntaxes", ".", "sort", ".", "each", "do", "|", "pair", "|", "puts", "\"#{pair[0]}#{' '*(max_uid-pair[0].length)} #{pair[1]}\"", "end", "end" ]
Prints the list of accepted abstract syntaxes to the screen.
[ "Prints", "the", "list", "of", "accepted", "abstract", "syntaxes", "to", "the", "screen", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_server.rb#L107-L114
22,350
calabash/calabash
lib/calabash/wait.rb
Calabash.Wait.wait_for_view
def wait_for_view(query, timeout: Calabash::Wait.default_options[:timeout], timeout_message: nil, retry_frequency: Calabash::Wait.default_options[:retry_frequency]) if query.nil? raise ArgumentError, 'Query cannot be nil' end timeout_message ||= lambda do |wait_options| "Waited #{wait_options[:timeout]} seconds for #{Wait.parse_query_list(query)} to match a view" end wait_for(timeout_message, timeout: timeout, retry_frequency: retry_frequency, exception_class: ViewNotFoundError) do result = query(query) !result.empty? && result end.first end
ruby
def wait_for_view(query, timeout: Calabash::Wait.default_options[:timeout], timeout_message: nil, retry_frequency: Calabash::Wait.default_options[:retry_frequency]) if query.nil? raise ArgumentError, 'Query cannot be nil' end timeout_message ||= lambda do |wait_options| "Waited #{wait_options[:timeout]} seconds for #{Wait.parse_query_list(query)} to match a view" end wait_for(timeout_message, timeout: timeout, retry_frequency: retry_frequency, exception_class: ViewNotFoundError) do result = query(query) !result.empty? && result end.first end
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Waits for `query` to match one or more views. @example cal.wait_for_view({marked: 'mark'}) @example cal.wait_for_view({marked: 'login'}, timeout_message: "Did not see login button") @example text = cal.wait_for_view("myview")['text'] @see Calabash::Wait#wait_for for optional parameters @param [String, Hash, Calabash::Query] query Query to match view @return [Hash] The first view matching `query`. @raise [ViewNotFoundError] If `query` do not match at least one view.
[ "Waits", "for", "query", "to", "match", "one", "or", "more", "views", "." ]
fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745
https://github.com/calabash/calabash/blob/fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745/lib/calabash/wait.rb#L187-L206
22,351
calabash/calabash
lib/calabash/wait.rb
Calabash.Wait.wait_for_views
def wait_for_views(*queries, timeout: Calabash::Wait.default_options[:timeout], timeout_message: nil, retry_frequency: Calabash::Wait.default_options[:retry_frequency]) if queries.nil? || queries.any?(&:nil?) raise ArgumentError, 'Query cannot be nil' end timeout_message ||= lambda do |wait_options| "Waited #{wait_options[:timeout]} seconds for #{Wait.parse_query_list(queries)} to each match a view" end wait_for(timeout_message, timeout: timeout, retry_frequency: retry_frequency, exception_class: ViewNotFoundError) do views_exist?(*queries) end # Do not return the value of views_exist?(queries) as it clutters # a console environment true end
ruby
def wait_for_views(*queries, timeout: Calabash::Wait.default_options[:timeout], timeout_message: nil, retry_frequency: Calabash::Wait.default_options[:retry_frequency]) if queries.nil? || queries.any?(&:nil?) raise ArgumentError, 'Query cannot be nil' end timeout_message ||= lambda do |wait_options| "Waited #{wait_options[:timeout]} seconds for #{Wait.parse_query_list(queries)} to each match a view" end wait_for(timeout_message, timeout: timeout, retry_frequency: retry_frequency, exception_class: ViewNotFoundError) do views_exist?(*queries) end # Do not return the value of views_exist?(queries) as it clutters # a console environment true end
[ "def", "wait_for_views", "(", "*", "queries", ",", "timeout", ":", "Calabash", "::", "Wait", ".", "default_options", "[", ":timeout", "]", ",", "timeout_message", ":", "nil", ",", "retry_frequency", ":", "Calabash", "::", "Wait", ".", "default_options", "[", ":retry_frequency", "]", ")", "if", "queries", ".", "nil?", "||", "queries", ".", "any?", "(", ":nil?", ")", "raise", "ArgumentError", ",", "'Query cannot be nil'", "end", "timeout_message", "||=", "lambda", "do", "|", "wait_options", "|", "\"Waited #{wait_options[:timeout]} seconds for #{Wait.parse_query_list(queries)} to each match a view\"", "end", "wait_for", "(", "timeout_message", ",", "timeout", ":", "timeout", ",", "retry_frequency", ":", "retry_frequency", ",", "exception_class", ":", "ViewNotFoundError", ")", "do", "views_exist?", "(", "queries", ")", "end", "# Do not return the value of views_exist?(queries) as it clutters", "# a console environment", "true", "end" ]
Waits for all `queries` to simultaneously match at least one view. @example cal.wait_for_views({id: 'foo'}, {id: 'bar'}) @see Calabash::Wait#wait_for for optional parameters @param [String, Hash, Calabash::Query] queries List of queries or a query. @return The returned value is undefined @raise [ViewNotFoundError] If `queries` do not all match at least one view.
[ "Waits", "for", "all", "queries", "to", "simultaneously", "match", "at", "least", "one", "view", "." ]
fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745
https://github.com/calabash/calabash/blob/fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745/lib/calabash/wait.rb#L220-L242
22,352
calabash/calabash
lib/calabash/wait.rb
Calabash.Wait.wait_for_no_view
def wait_for_no_view(query, timeout: Calabash::Wait.default_options[:timeout], timeout_message: nil, retry_frequency: Calabash::Wait.default_options[:retry_frequency]) if query.nil? raise ArgumentError, 'Query cannot be nil' end timeout_message ||= lambda do |wait_options| "Waited #{wait_options[:timeout]} seconds for #{Wait.parse_query_list(query)} to not match any view" end wait_for(timeout_message, timeout: timeout, retry_frequency: retry_frequency, exception_class: ViewFoundError) do !view_exists?(query) end end
ruby
def wait_for_no_view(query, timeout: Calabash::Wait.default_options[:timeout], timeout_message: nil, retry_frequency: Calabash::Wait.default_options[:retry_frequency]) if query.nil? raise ArgumentError, 'Query cannot be nil' end timeout_message ||= lambda do |wait_options| "Waited #{wait_options[:timeout]} seconds for #{Wait.parse_query_list(query)} to not match any view" end wait_for(timeout_message, timeout: timeout, retry_frequency: retry_frequency, exception_class: ViewFoundError) do !view_exists?(query) end end
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Waits for `query` not to match any views @example cal.wait_for_no_view({marked: 'mark'}) @example cal.wait_for_no_view({marked: 'login'}, timeout_message: "Login button did not disappear") @see Calabash::Wait#wait_for for optional parameters @param [String, Hash, Calabash::Query] query Query to match view @raise [ViewFoundError] If `query` do not match at least one view.
[ "Waits", "for", "query", "not", "to", "match", "any", "views" ]
fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745
https://github.com/calabash/calabash/blob/fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745/lib/calabash/wait.rb#L257-L275
22,353
calabash/calabash
lib/calabash/wait.rb
Calabash.Wait.wait_for_no_views
def wait_for_no_views(*queries, timeout: Calabash::Wait.default_options[:timeout], timeout_message: nil, retry_frequency: Calabash::Wait.default_options[:retry_frequency]) if queries.nil? || queries.any?(&:nil?) raise ArgumentError, 'Query cannot be nil' end timeout_message ||= lambda do |wait_options| "Waited #{wait_options[:timeout]} seconds for #{Wait.parse_query_list(queries)} to each not match any view" end wait_for(timeout_message, timeout: timeout, retry_frequency: retry_frequency, exception_class: ViewFoundError) do !views_exist?(*queries) end end
ruby
def wait_for_no_views(*queries, timeout: Calabash::Wait.default_options[:timeout], timeout_message: nil, retry_frequency: Calabash::Wait.default_options[:retry_frequency]) if queries.nil? || queries.any?(&:nil?) raise ArgumentError, 'Query cannot be nil' end timeout_message ||= lambda do |wait_options| "Waited #{wait_options[:timeout]} seconds for #{Wait.parse_query_list(queries)} to each not match any view" end wait_for(timeout_message, timeout: timeout, retry_frequency: retry_frequency, exception_class: ViewFoundError) do !views_exist?(*queries) end end
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Waits for all `queries` to simultaneously match no views @example cal.wait_for_no_views({id: 'foo'}, {id: 'bar'}) @see Calabash::Wait#wait_for for optional parameters @param [String, Hash, Calabash::Query] queries List of queries or a query. @raise [ViewNotFoundError] If `queries` do not all match at least one view.
[ "Waits", "for", "all", "queries", "to", "simultaneously", "match", "no", "views" ]
fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745
https://github.com/calabash/calabash/blob/fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745/lib/calabash/wait.rb#L288-L306
22,354
calabash/calabash
lib/calabash/wait.rb
Calabash.Wait.view_exists?
def view_exists?(query) if query.nil? raise ArgumentError, 'Query cannot be nil' end result = query(query) !result.empty? end
ruby
def view_exists?(query) if query.nil? raise ArgumentError, 'Query cannot be nil' end result = query(query) !result.empty? end
[ "def", "view_exists?", "(", "query", ")", "if", "query", ".", "nil?", "raise", "ArgumentError", ",", "'Query cannot be nil'", "end", "result", "=", "query", "(", "query", ")", "!", "result", ".", "empty?", "end" ]
Does the given `query` match at least one view? @param [String, Hash, Calabash::Query] query Query to match view @return [Boolean] Returns true if the `query` matches at least one view @raise [ArgumentError] If given an invalid `query`
[ "Does", "the", "given", "query", "match", "at", "least", "one", "view?" ]
fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745
https://github.com/calabash/calabash/blob/fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745/lib/calabash/wait.rb#L313-L321
22,355
calabash/calabash
lib/calabash/wait.rb
Calabash.Wait.views_exist?
def views_exist?(*queries) if queries.nil? || queries.any?(&:nil?) raise ArgumentError, 'Query cannot be nil' end results = queries.map{|query| view_exists?(query)} results.all? end
ruby
def views_exist?(*queries) if queries.nil? || queries.any?(&:nil?) raise ArgumentError, 'Query cannot be nil' end results = queries.map{|query| view_exists?(query)} results.all? end
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Does the given `queries` all match at least one view? @param [String, Hash, Calabash::Query] queries List of queries or a query @return [Boolean] Returns true if the `queries` all match at least one view @raise [ArgumentError] If given an invalid list of queries
[ "Does", "the", "given", "queries", "all", "match", "at", "least", "one", "view?" ]
fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745
https://github.com/calabash/calabash/blob/fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745/lib/calabash/wait.rb#L330-L338
22,356
calabash/calabash
lib/calabash/wait.rb
Calabash.Wait.expect_view
def expect_view(query) if query.nil? raise ArgumentError, 'Query cannot be nil' end unless view_exists?(query) raise ViewNotFoundError, "No view matched #{Wait.parse_query_list(query)}" end true end
ruby
def expect_view(query) if query.nil? raise ArgumentError, 'Query cannot be nil' end unless view_exists?(query) raise ViewNotFoundError, "No view matched #{Wait.parse_query_list(query)}" end true end
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Expect `query` to match at least one view. Raise an exception if it does not. @param [String, Hash, Calabash::Query] query Query to match a view @raise [ArgumentError] If given an invalid `query` @raise [ViewNotFoundError] If `query` does not match at least one view
[ "Expect", "query", "to", "match", "at", "least", "one", "view", ".", "Raise", "an", "exception", "if", "it", "does", "not", "." ]
fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745
https://github.com/calabash/calabash/blob/fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745/lib/calabash/wait.rb#L346-L357
22,357
calabash/calabash
lib/calabash/wait.rb
Calabash.Wait.expect_views
def expect_views(*queries) if queries.nil? || queries.any?(&:nil?) raise ArgumentError, 'Query cannot be nil' end unless views_exist?(*queries) raise ViewNotFoundError, "Not all queries #{Wait.parse_query_list(queries)} matched a view" end true end
ruby
def expect_views(*queries) if queries.nil? || queries.any?(&:nil?) raise ArgumentError, 'Query cannot be nil' end unless views_exist?(*queries) raise ViewNotFoundError, "Not all queries #{Wait.parse_query_list(queries)} matched a view" end true end
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Expect `queries` to each match at least one view. Raise an exception if they do not. @param [String, Hash, Calabash::Query] queries List of queries or a query. @raise [ArgumentError] If given an invalid list of queries @raise [ViewNotFoundError] If `queries` do not all match at least one view.
[ "Expect", "queries", "to", "each", "match", "at", "least", "one", "view", ".", "Raise", "an", "exception", "if", "they", "do", "not", "." ]
fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745
https://github.com/calabash/calabash/blob/fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745/lib/calabash/wait.rb#L369-L380
22,358
calabash/calabash
lib/calabash/wait.rb
Calabash.Wait.do_not_expect_view
def do_not_expect_view(query) if query.nil? raise ArgumentError, 'Query cannot be nil' end if view_exists?(query) raise ViewFoundError, "A view matched #{Wait.parse_query_list(query)}" end true end
ruby
def do_not_expect_view(query) if query.nil? raise ArgumentError, 'Query cannot be nil' end if view_exists?(query) raise ViewFoundError, "A view matched #{Wait.parse_query_list(query)}" end true end
[ "def", "do_not_expect_view", "(", "query", ")", "if", "query", ".", "nil?", "raise", "ArgumentError", ",", "'Query cannot be nil'", "end", "if", "view_exists?", "(", "query", ")", "raise", "ViewFoundError", ",", "\"A view matched #{Wait.parse_query_list(query)}\"", "end", "true", "end" ]
Expect `query` to match no views. Raise an exception if it does. @param [String, Hash, Calabash::Query] query Query to match a view @raise [ArgumentError] If given an invalid `query` @raise [ViewFoundError] If `query` matches any views.
[ "Expect", "query", "to", "match", "no", "views", ".", "Raise", "an", "exception", "if", "it", "does", "." ]
fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745
https://github.com/calabash/calabash/blob/fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745/lib/calabash/wait.rb#L389-L399
22,359
calabash/calabash
lib/calabash/wait.rb
Calabash.Wait.do_not_expect_views
def do_not_expect_views(*queries) if queries.nil? || queries.any?(&:nil?) raise ArgumentError, 'Query cannot be nil' end if queries.map{|query| view_exists?(query)}.any? raise ViewFoundError, "Some views matched #{Wait.parse_query_list(queries)}" end true end
ruby
def do_not_expect_views(*queries) if queries.nil? || queries.any?(&:nil?) raise ArgumentError, 'Query cannot be nil' end if queries.map{|query| view_exists?(query)}.any? raise ViewFoundError, "Some views matched #{Wait.parse_query_list(queries)}" end true end
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Expect `queries` to each match no views. Raise an exception if they do. @param [String, Hash, Calabash::Query] queries List of queries or a query. @raise [ArgumentError] If given an invalid list of queries @raise [ViewFoundError] If one of `queries` matched any views
[ "Expect", "queries", "to", "each", "match", "no", "views", ".", "Raise", "an", "exception", "if", "they", "do", "." ]
fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745
https://github.com/calabash/calabash/blob/fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745/lib/calabash/wait.rb#L409-L420
22,360
calabash/calabash
lib/calabash/wait.rb
Calabash.Wait.wait_for_text
def wait_for_text(text, timeout: Calabash::Wait.default_options[:timeout], timeout_message: nil, retry_frequency: Calabash::Wait.default_options[:retry_frequency]) wait_for_view("* {text CONTAINS[c] '#{text}'}", timeout: timeout, timeout_message: timeout_message, retry_frequency: retry_frequency) end
ruby
def wait_for_text(text, timeout: Calabash::Wait.default_options[:timeout], timeout_message: nil, retry_frequency: Calabash::Wait.default_options[:retry_frequency]) wait_for_view("* {text CONTAINS[c] '#{text}'}", timeout: timeout, timeout_message: timeout_message, retry_frequency: retry_frequency) end
[ "def", "wait_for_text", "(", "text", ",", "timeout", ":", "Calabash", "::", "Wait", ".", "default_options", "[", ":timeout", "]", ",", "timeout_message", ":", "nil", ",", "retry_frequency", ":", "Calabash", "::", "Wait", ".", "default_options", "[", ":retry_frequency", "]", ")", "wait_for_view", "(", "\"* {text CONTAINS[c] '#{text}'}\"", ",", "timeout", ":", "timeout", ",", "timeout_message", ":", "timeout_message", ",", "retry_frequency", ":", "retry_frequency", ")", "end" ]
Waits for a view containing `text`. @see Calabash::Wait#wait_for_view @param text [String] Text to look for @return [Object] The view matched by the text query
[ "Waits", "for", "a", "view", "containing", "text", "." ]
fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745
https://github.com/calabash/calabash/blob/fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745/lib/calabash/wait.rb#L430-L439
22,361
calabash/calabash
lib/calabash/wait.rb
Calabash.Wait.wait_for_no_text
def wait_for_no_text(text, timeout: Calabash::Wait.default_options[:timeout], timeout_message: nil, retry_frequency: Calabash::Wait.default_options[:retry_frequency]) wait_for_no_view("* {text CONTAINS[c] '#{text}'}", timeout: timeout, timeout_message: timeout_message, retry_frequency: retry_frequency) end
ruby
def wait_for_no_text(text, timeout: Calabash::Wait.default_options[:timeout], timeout_message: nil, retry_frequency: Calabash::Wait.default_options[:retry_frequency]) wait_for_no_view("* {text CONTAINS[c] '#{text}'}", timeout: timeout, timeout_message: timeout_message, retry_frequency: retry_frequency) end
[ "def", "wait_for_no_text", "(", "text", ",", "timeout", ":", "Calabash", "::", "Wait", ".", "default_options", "[", ":timeout", "]", ",", "timeout_message", ":", "nil", ",", "retry_frequency", ":", "Calabash", "::", "Wait", ".", "default_options", "[", ":retry_frequency", "]", ")", "wait_for_no_view", "(", "\"* {text CONTAINS[c] '#{text}'}\"", ",", "timeout", ":", "timeout", ",", "timeout_message", ":", "timeout_message", ",", "retry_frequency", ":", "retry_frequency", ")", "end" ]
Waits for no views containing `text`. @see Calabash::Wait#wait_for_view @param text [String] Text to look for @return [Object] The view matched by the text query
[ "Waits", "for", "no", "views", "containing", "text", "." ]
fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745
https://github.com/calabash/calabash/blob/fac1ce9fcff6e2460c6e72a9b89d93a91a1bc745/lib/calabash/wait.rb#L447-L456
22,362
dicom/ruby-dicom
lib/dicom/audit_trail.rb
DICOM.AuditTrail.add_record
def add_record(tag, original, replacement) @dictionary[tag] = Hash.new unless @dictionary.key?(tag) @dictionary[tag][original] = replacement end
ruby
def add_record(tag, original, replacement) @dictionary[tag] = Hash.new unless @dictionary.key?(tag) @dictionary[tag][original] = replacement end
[ "def", "add_record", "(", "tag", ",", "original", ",", "replacement", ")", "@dictionary", "[", "tag", "]", "=", "Hash", ".", "new", "unless", "@dictionary", ".", "key?", "(", "tag", ")", "@dictionary", "[", "tag", "]", "[", "original", "]", "=", "replacement", "end" ]
Creates a new AuditTrail instance. Adds a tag record to the log. @param [String] tag the tag string (e.q. '0010,0010') @param [String, Integer, Float] original the original value (e.q. 'John Doe') @param [String, Integer, Float] replacement the replacement value (e.q. 'Patient1')
[ "Creates", "a", "new", "AuditTrail", "instance", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/audit_trail.rb#L41-L44
22,363
dicom/ruby-dicom
lib/dicom/audit_trail.rb
DICOM.AuditTrail.original
def original(tag, replacement) original = nil if @dictionary.key?(tag) original = @dictionary[tag].key(replacement) end return original end
ruby
def original(tag, replacement) original = nil if @dictionary.key?(tag) original = @dictionary[tag].key(replacement) end return original end
[ "def", "original", "(", "tag", ",", "replacement", ")", "original", "=", "nil", "if", "@dictionary", ".", "key?", "(", "tag", ")", "original", "=", "@dictionary", "[", "tag", "]", ".", "key", "(", "replacement", ")", "end", "return", "original", "end" ]
Retrieves the original value used for the given combination of tag & replacement value. @param [String] tag the tag string (e.q. '0010,0010') @param [String, Integer, Float] replacement the replacement value (e.q. 'Patient1') @return [String, Integer, Float] the original value of the given tag
[ "Retrieves", "the", "original", "value", "used", "for", "the", "given", "combination", "of", "tag", "&", "replacement", "value", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/audit_trail.rb#L60-L66
22,364
dicom/ruby-dicom
lib/dicom/audit_trail.rb
DICOM.AuditTrail.replacement
def replacement(tag, original) replacement = nil replacement = @dictionary[tag][original] if @dictionary.key?(tag) return replacement end
ruby
def replacement(tag, original) replacement = nil replacement = @dictionary[tag][original] if @dictionary.key?(tag) return replacement end
[ "def", "replacement", "(", "tag", ",", "original", ")", "replacement", "=", "nil", "replacement", "=", "@dictionary", "[", "tag", "]", "[", "original", "]", "if", "@dictionary", ".", "key?", "(", "tag", ")", "return", "replacement", "end" ]
Retrieves the replacement value used for the given combination of tag & original value. @param [String] tag the tag string (e.q. '0010,0010') @param [String, Integer, Float] original the original value (e.q. 'John Doe') @return [String, Integer, Float] the replacement value of the given tag
[ "Retrieves", "the", "replacement", "value", "used", "for", "the", "given", "combination", "of", "tag", "&", "original", "value", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/audit_trail.rb#L87-L91
22,365
dicom/ruby-dicom
lib/dicom/d_object.rb
DICOM.DObject.encode_segments
def encode_segments(max_size, transfer_syntax=IMPLICIT_LITTLE_ENDIAN) raise ArgumentError, "Invalid argument. Expected an Integer, got #{max_size.class}." unless max_size.is_a?(Integer) raise ArgumentError, "Argument too low (#{max_size}), please specify a bigger Integer." unless max_size > 16 raise "Can not encode binary segments for an empty DICOM object." if children.length == 0 encode_in_segments(max_size, :syntax => transfer_syntax) end
ruby
def encode_segments(max_size, transfer_syntax=IMPLICIT_LITTLE_ENDIAN) raise ArgumentError, "Invalid argument. Expected an Integer, got #{max_size.class}." unless max_size.is_a?(Integer) raise ArgumentError, "Argument too low (#{max_size}), please specify a bigger Integer." unless max_size > 16 raise "Can not encode binary segments for an empty DICOM object." if children.length == 0 encode_in_segments(max_size, :syntax => transfer_syntax) end
[ "def", "encode_segments", "(", "max_size", ",", "transfer_syntax", "=", "IMPLICIT_LITTLE_ENDIAN", ")", "raise", "ArgumentError", ",", "\"Invalid argument. Expected an Integer, got #{max_size.class}.\"", "unless", "max_size", ".", "is_a?", "(", "Integer", ")", "raise", "ArgumentError", ",", "\"Argument too low (#{max_size}), please specify a bigger Integer.\"", "unless", "max_size", ">", "16", "raise", "\"Can not encode binary segments for an empty DICOM object.\"", "if", "children", ".", "length", "==", "0", "encode_in_segments", "(", "max_size", ",", ":syntax", "=>", "transfer_syntax", ")", "end" ]
Encodes the DICOM object into a series of binary string segments with a specified maximum length. Returns the encoded binary strings in an array. @param [Integer] max_size the maximum allowed size of the binary data strings to be encoded @param [String] transfer_syntax the transfer syntax string to be used when encoding the DICOM object to string segments. When this method is used for making network packets, the transfer_syntax is not part of the object, and thus needs to be specified. @return [Array<String>] the encoded DICOM strings @example Encode the DObject to strings of max length 2^14 bytes encoded_strings = dcm.encode_segments(16384)
[ "Encodes", "the", "DICOM", "object", "into", "a", "series", "of", "binary", "string", "segments", "with", "a", "specified", "maximum", "length", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_object.rb#L230-L235
22,366
dicom/ruby-dicom
lib/dicom/d_object.rb
DICOM.DObject.summary
def summary # FIXME: Perhaps this method should be split up in one or two separate methods # which just builds the information arrays, and a third method for printing this to the screen. sys_info = Array.new info = Array.new # Version of Ruby DICOM used: sys_info << "Ruby DICOM version: #{VERSION}" # System endian: cpu = (CPU_ENDIAN ? "Big Endian" : "Little Endian") sys_info << "Byte Order (CPU): #{cpu}" # Source (file name): if @source if @source == :str source = "Binary string #{@read_success ? '(successfully parsed)' : '(failed to parse)'}" else source = "File #{@read_success ? '(successfully read)' : '(failed to read)'}: #{@source}" end else source = 'Created from scratch' end info << "Source: #{source}" # Modality: modality = (LIBRARY.uid(value('0008,0016')) ? LIBRARY.uid(value('0008,0016')).name : "SOP Class unknown or not specified!") info << "Modality: #{modality}" # Meta header presence (Simply check for the presence of the transfer syntax data element), VR and byte order: ts_status = self['0002,0010'] ? '' : ' (Assumed)' ts = LIBRARY.uid(transfer_syntax) explicit = ts ? ts.explicit? : true endian = ts ? ts.big_endian? : false meta_comment = ts ? "" : " (But unknown/invalid transfer syntax: #{transfer_syntax})" info << "Meta Header: #{self['0002,0010'] ? 'Yes' : 'No'}#{meta_comment}" info << "Value Representation: #{explicit ? 'Explicit' : 'Implicit'}#{ts_status}" info << "Byte Order (File): #{endian ? 'Big Endian' : 'Little Endian'}#{ts_status}" # Pixel data: pixels = self[PIXEL_TAG] unless pixels info << "Pixel Data: No" else info << "Pixel Data: Yes" # Image size: cols = (exists?("0028,0011") ? self["0028,0011"].value : "Columns missing") rows = (exists?("0028,0010") ? self["0028,0010"].value : "Rows missing") info << "Image Size: #{cols}*#{rows}" # Frames: frames = value("0028,0008") || "1" unless frames == "1" or frames == 1 # Encapsulated or 3D pixel data: if pixels.is_a?(Element) frames = frames.to_s + " (3D Pixel Data)" else frames = frames.to_s + " (Encapsulated Multiframe Image)" end end info << "Number of frames: #{frames}" # Color: colors = (exists?("0028,0004") ? self["0028,0004"].value : "Not specified") info << "Photometry: #{colors}" # Compression: compression = (ts ? (ts.compressed_pixels? ? ts.name : 'No') : 'No' ) info << "Compression: #{compression}#{ts_status}" # Pixel bits (allocated): bits = (exists?("0028,0100") ? self["0028,0100"].value : "Not specified") info << "Bits per Pixel: #{bits}" end # Print the DICOM object's key properties: separator = "-------------------------------------------" puts "System Properties:" puts separator + "\n" puts sys_info puts "\n" puts "DICOM Object Properties:" puts separator puts info puts separator return info end
ruby
def summary # FIXME: Perhaps this method should be split up in one or two separate methods # which just builds the information arrays, and a third method for printing this to the screen. sys_info = Array.new info = Array.new # Version of Ruby DICOM used: sys_info << "Ruby DICOM version: #{VERSION}" # System endian: cpu = (CPU_ENDIAN ? "Big Endian" : "Little Endian") sys_info << "Byte Order (CPU): #{cpu}" # Source (file name): if @source if @source == :str source = "Binary string #{@read_success ? '(successfully parsed)' : '(failed to parse)'}" else source = "File #{@read_success ? '(successfully read)' : '(failed to read)'}: #{@source}" end else source = 'Created from scratch' end info << "Source: #{source}" # Modality: modality = (LIBRARY.uid(value('0008,0016')) ? LIBRARY.uid(value('0008,0016')).name : "SOP Class unknown or not specified!") info << "Modality: #{modality}" # Meta header presence (Simply check for the presence of the transfer syntax data element), VR and byte order: ts_status = self['0002,0010'] ? '' : ' (Assumed)' ts = LIBRARY.uid(transfer_syntax) explicit = ts ? ts.explicit? : true endian = ts ? ts.big_endian? : false meta_comment = ts ? "" : " (But unknown/invalid transfer syntax: #{transfer_syntax})" info << "Meta Header: #{self['0002,0010'] ? 'Yes' : 'No'}#{meta_comment}" info << "Value Representation: #{explicit ? 'Explicit' : 'Implicit'}#{ts_status}" info << "Byte Order (File): #{endian ? 'Big Endian' : 'Little Endian'}#{ts_status}" # Pixel data: pixels = self[PIXEL_TAG] unless pixels info << "Pixel Data: No" else info << "Pixel Data: Yes" # Image size: cols = (exists?("0028,0011") ? self["0028,0011"].value : "Columns missing") rows = (exists?("0028,0010") ? self["0028,0010"].value : "Rows missing") info << "Image Size: #{cols}*#{rows}" # Frames: frames = value("0028,0008") || "1" unless frames == "1" or frames == 1 # Encapsulated or 3D pixel data: if pixels.is_a?(Element) frames = frames.to_s + " (3D Pixel Data)" else frames = frames.to_s + " (Encapsulated Multiframe Image)" end end info << "Number of frames: #{frames}" # Color: colors = (exists?("0028,0004") ? self["0028,0004"].value : "Not specified") info << "Photometry: #{colors}" # Compression: compression = (ts ? (ts.compressed_pixels? ? ts.name : 'No') : 'No' ) info << "Compression: #{compression}#{ts_status}" # Pixel bits (allocated): bits = (exists?("0028,0100") ? self["0028,0100"].value : "Not specified") info << "Bits per Pixel: #{bits}" end # Print the DICOM object's key properties: separator = "-------------------------------------------" puts "System Properties:" puts separator + "\n" puts sys_info puts "\n" puts "DICOM Object Properties:" puts separator puts info puts separator return info end
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Gathers key information about the DObject as well as some system data, and prints this information to the screen. This information includes properties like encoding, byte order, modality and various image properties. @return [Array<String>] strings describing the properties of the DICOM object
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3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_object.rb#L261-L336
22,367
dicom/ruby-dicom
lib/dicom/d_object.rb
DICOM.DObject.transfer_syntax=
def transfer_syntax=(new_syntax) # Verify old and new transfer syntax: new_uid = LIBRARY.uid(new_syntax) old_uid = LIBRARY.uid(transfer_syntax) raise ArgumentError, "Invalid/unknown transfer syntax specified: #{new_syntax}" unless new_uid && new_uid.transfer_syntax? raise ArgumentError, "Invalid/unknown existing transfer syntax: #{new_syntax} Unable to reliably handle byte order encoding. Modify the transfer syntax element directly instead." unless old_uid && old_uid.transfer_syntax? # Set the new transfer syntax: if exists?("0002,0010") self["0002,0010"].value = new_syntax else add(Element.new("0002,0010", new_syntax)) end # Update our Stream instance with the new encoding: @stream.endian = new_uid.big_endian? # If endianness is changed, re-encode elements (only elements depending on endianness will actually be re-encoded): encode_children(old_uid.big_endian?) if old_uid.big_endian? != new_uid.big_endian? end
ruby
def transfer_syntax=(new_syntax) # Verify old and new transfer syntax: new_uid = LIBRARY.uid(new_syntax) old_uid = LIBRARY.uid(transfer_syntax) raise ArgumentError, "Invalid/unknown transfer syntax specified: #{new_syntax}" unless new_uid && new_uid.transfer_syntax? raise ArgumentError, "Invalid/unknown existing transfer syntax: #{new_syntax} Unable to reliably handle byte order encoding. Modify the transfer syntax element directly instead." unless old_uid && old_uid.transfer_syntax? # Set the new transfer syntax: if exists?("0002,0010") self["0002,0010"].value = new_syntax else add(Element.new("0002,0010", new_syntax)) end # Update our Stream instance with the new encoding: @stream.endian = new_uid.big_endian? # If endianness is changed, re-encode elements (only elements depending on endianness will actually be re-encoded): encode_children(old_uid.big_endian?) if old_uid.big_endian? != new_uid.big_endian? end
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Changes the transfer syntax Element of the DObject instance, and performs re-encoding of all numerical values if a switch of endianness is implied. @note This method does not change the compressed state of the pixel data element. Changing the transfer syntax between an uncompressed and compressed state will NOT change the pixel data accordingly (this must be taken care of manually). @param [String] new_syntax the new transfer syntax string to be applied to the DObject
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3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_object.rb#L365-L381
22,368
dicom/ruby-dicom
lib/dicom/d_object.rb
DICOM.DObject.write
def write(file_name, options={}) raise ArgumentError, "Invalid file_name. Expected String, got #{file_name.class}." unless file_name.is_a?(String) @include_empty_parents = options[:include_empty_parents] insert_missing_meta unless options[:ignore_meta] write_elements(:file_name => file_name, :signature => true, :syntax => transfer_syntax) end
ruby
def write(file_name, options={}) raise ArgumentError, "Invalid file_name. Expected String, got #{file_name.class}." unless file_name.is_a?(String) @include_empty_parents = options[:include_empty_parents] insert_missing_meta unless options[:ignore_meta] write_elements(:file_name => file_name, :signature => true, :syntax => transfer_syntax) end
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Writes the DICOM object to file. @note The goal of the Ruby DICOM library is to yield maximum conformance with the DICOM standard when outputting DICOM files. Therefore, when encoding the DICOM file, manipulation of items such as the meta group, group lengths and header signature may occur. Therefore, the file that is written may not be an exact bitwise copy of the file that was read, even if no DObject manipulation has been done by the user. @param [String] file_name the path of the DICOM file which is to be written to disk @param [Hash] options the options to use for writing the DICOM file @option options [Boolean] :ignore_meta if true, no manipulation of the DICOM object's meta group will be performed before the DObject is written to file @option options [Boolean] :include_empty_parents if true, childless parents (sequences & items) are written to the DICOM file @example Encode a DICOM file from a DObject dcm.write('C:/dicom/test.dcm')
[ "Writes", "the", "DICOM", "object", "to", "file", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_object.rb#L398-L403
22,369
dicom/ruby-dicom
lib/dicom/d_object.rb
DICOM.DObject.meta_group_length
def meta_group_length group_length = 0 meta_elements = group(META_GROUP) tag = 4 vr = 2 meta_elements.each do |element| case element.vr when "OB","OW","OF","SQ","UN","UT" length = 6 else length = 2 end group_length += tag + vr + length + element.bin.length end group_length end
ruby
def meta_group_length group_length = 0 meta_elements = group(META_GROUP) tag = 4 vr = 2 meta_elements.each do |element| case element.vr when "OB","OW","OF","SQ","UN","UT" length = 6 else length = 2 end group_length += tag + vr + length + element.bin.length end group_length end
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Determines the length of the meta group in the DObject instance. @return [Integer] the length of the file meta group string
[ "Determines", "the", "length", "of", "the", "meta", "group", "in", "the", "DObject", "instance", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_object.rb#L438-L453
22,370
dicom/ruby-dicom
lib/dicom/image_item.rb
DICOM.ImageItem.add_element
def add_element(tag, value, options={}) add(e = Element.new(tag, value, options)) e end
ruby
def add_element(tag, value, options={}) add(e = Element.new(tag, value, options)) e end
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Creates an Element with the given arguments and connects it to self. @param [String] tag an element tag @param [String, Integer, Float, Array, NilClass] value an element value @param [Hash] options any options used for creating the element (see Element.new documentation)
[ "Creates", "an", "Element", "with", "the", "given", "arguments", "and", "connects", "it", "to", "self", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/image_item.rb#L23-L26
22,371
dicom/ruby-dicom
lib/dicom/image_item.rb
DICOM.ImageItem.add_sequence
def add_sequence(tag, options={}) add(s = Sequence.new(tag, options)) s end
ruby
def add_sequence(tag, options={}) add(s = Sequence.new(tag, options)) s end
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Creates a Sequence with the given arguments and connects it to self. @param [String] tag a sequence tag @param [Hash] options any options used for creating the sequence (see Sequence.new documentation)
[ "Creates", "a", "Sequence", "with", "the", "given", "arguments", "and", "connects", "it", "to", "self", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/image_item.rb#L33-L36
22,372
dicom/ruby-dicom
lib/dicom/image_item.rb
DICOM.ImageItem.color?
def color? # "Photometric Interpretation" is contained in the data element "0028,0004": begin photometric = photometry if photometric.include?('COLOR') or photometric.include?('RGB') or photometric.include?('YBR') return true else return false end rescue return false end end
ruby
def color? # "Photometric Interpretation" is contained in the data element "0028,0004": begin photometric = photometry if photometric.include?('COLOR') or photometric.include?('RGB') or photometric.include?('YBR') return true else return false end rescue return false end end
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Checks if colored pixel data is present. @return [Boolean] true if the object contains colored pixels, and false if not
[ "Checks", "if", "colored", "pixel", "data", "is", "present", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/image_item.rb#L42-L54
22,373
dicom/ruby-dicom
lib/dicom/image_item.rb
DICOM.ImageItem.decode_pixels
def decode_pixels(bin, stream=@stream) raise ArgumentError, "Expected String, got #{bin.class}." unless bin.is_a?(String) pixels = false # We need to know what kind of bith depth and integer type the pixel data is saved with: bit_depth_element = self['0028,0100'] pixel_representation_element = self['0028,0103'] if bit_depth_element and pixel_representation_element # Load the binary pixel data to the Stream instance: stream.set_string(bin) template = template_string(bit_depth_element.value.to_i) pixels = stream.decode_all(template) if template else raise "The Element specifying Bit Depth (0028,0100) is missing. Unable to decode pixel data." unless bit_depth_element raise "The Element specifying Pixel Representation (0028,0103) is missing. Unable to decode pixel data." unless pixel_representation_element end return pixels end
ruby
def decode_pixels(bin, stream=@stream) raise ArgumentError, "Expected String, got #{bin.class}." unless bin.is_a?(String) pixels = false # We need to know what kind of bith depth and integer type the pixel data is saved with: bit_depth_element = self['0028,0100'] pixel_representation_element = self['0028,0103'] if bit_depth_element and pixel_representation_element # Load the binary pixel data to the Stream instance: stream.set_string(bin) template = template_string(bit_depth_element.value.to_i) pixels = stream.decode_all(template) if template else raise "The Element specifying Bit Depth (0028,0100) is missing. Unable to decode pixel data." unless bit_depth_element raise "The Element specifying Pixel Representation (0028,0103) is missing. Unable to decode pixel data." unless pixel_representation_element end return pixels end
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Unpacks pixel values from a binary pixel string. The decode is performed using values defined in the image related elements of the DObject instance. @param [String] bin a binary string containing the pixels to be decoded @param [Stream] stream a Stream instance to be used for decoding the pixels (optional) @return [Array<Integer>] decoded pixel values
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3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/image_item.rb#L76-L92
22,374
dicom/ruby-dicom
lib/dicom/image_item.rb
DICOM.ImageItem.encode_pixels
def encode_pixels(pixels, stream=@stream) raise ArgumentError, "Expected Array, got #{pixels.class}." unless pixels.is_a?(Array) bin = false # We need to know what kind of bith depth and integer type the pixel data is saved with: bit_depth_element = self['0028,0100'] pixel_representation_element = self['0028,0103'] if bit_depth_element and pixel_representation_element template = template_string(bit_depth_element.value.to_i) bin = stream.encode(pixels, template) if template else raise "The Element specifying Bit Depth (0028,0100) is missing. Unable to encode the pixel data." unless bit_depth_element raise "The Element specifying Pixel Representation (0028,0103) is missing. Unable to encode the pixel data." unless pixel_representation_element end return bin end
ruby
def encode_pixels(pixels, stream=@stream) raise ArgumentError, "Expected Array, got #{pixels.class}." unless pixels.is_a?(Array) bin = false # We need to know what kind of bith depth and integer type the pixel data is saved with: bit_depth_element = self['0028,0100'] pixel_representation_element = self['0028,0103'] if bit_depth_element and pixel_representation_element template = template_string(bit_depth_element.value.to_i) bin = stream.encode(pixels, template) if template else raise "The Element specifying Bit Depth (0028,0100) is missing. Unable to encode the pixel data." unless bit_depth_element raise "The Element specifying Pixel Representation (0028,0103) is missing. Unable to encode the pixel data." unless pixel_representation_element end return bin end
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Packs a pixel value array to a binary pixel string. The encoding is performed using values defined in the image related elements of the DObject instance. @param [Array<Integer>] pixels an array containing the pixel values to be encoded @param [Stream] stream a Stream instance to be used for encoding the pixels (optional) @return [String] encoded pixel string
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3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/image_item.rb#L101-L115
22,375
dicom/ruby-dicom
lib/dicom/image_item.rb
DICOM.ImageItem.images
def images(options={}) images = Array.new if exists?(PIXEL_TAG) # Gather the pixel data strings, and pick a single frame if indicated by options: strings = image_strings(split_to_frames=true) strings = [strings[options[:frame]]] if options[:frame] if compression? # Decompress, either to numbers (RLE) or to an image object (image based compressions): if [TXS_RLE].include?(transfer_syntax) pixel_frames = Array.new strings.each {|string| pixel_frames << decode_rle(num_cols, num_rows, string)} else images = decompress(strings) || Array.new logger.warn("Decompressing pixel values has failed (unsupported transfer syntax: '#{transfer_syntax}' - #{LIBRARY.uid(transfer_syntax) ? LIBRARY.uid(transfer_syntax).name : 'Unknown transfer syntax!'})") unless images.length > 0 end else # Uncompressed: Decode to numbers. pixel_frames = Array.new strings.each {|string| pixel_frames << decode_pixels(string)} end if pixel_frames images = Array.new pixel_frames.each do |pixels| # Pixel values and pixel order may need to be rearranged if we have color data: pixels = process_colors(pixels) if color? if pixels images << read_image(pixels, num_cols, num_rows, options) else logger.warn("Processing pixel values for this particular color mode failed, unable to construct image(s).") end end end end return images end
ruby
def images(options={}) images = Array.new if exists?(PIXEL_TAG) # Gather the pixel data strings, and pick a single frame if indicated by options: strings = image_strings(split_to_frames=true) strings = [strings[options[:frame]]] if options[:frame] if compression? # Decompress, either to numbers (RLE) or to an image object (image based compressions): if [TXS_RLE].include?(transfer_syntax) pixel_frames = Array.new strings.each {|string| pixel_frames << decode_rle(num_cols, num_rows, string)} else images = decompress(strings) || Array.new logger.warn("Decompressing pixel values has failed (unsupported transfer syntax: '#{transfer_syntax}' - #{LIBRARY.uid(transfer_syntax) ? LIBRARY.uid(transfer_syntax).name : 'Unknown transfer syntax!'})") unless images.length > 0 end else # Uncompressed: Decode to numbers. pixel_frames = Array.new strings.each {|string| pixel_frames << decode_pixels(string)} end if pixel_frames images = Array.new pixel_frames.each do |pixels| # Pixel values and pixel order may need to be rearranged if we have color data: pixels = process_colors(pixels) if color? if pixels images << read_image(pixels, num_cols, num_rows, options) else logger.warn("Processing pixel values for this particular color mode failed, unable to construct image(s).") end end end end return images end
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Extracts an array of image objects, created from the encoded pixel data using the image related elements in the DICOM object. @note Creates an array of image objects in accordance with the selected image processor. Available processors are :rmagick and :mini_magick. @param [Hash] options the options to use for extracting the images @option options [Integer] :frame makes the method return an array containing only the image object corresponding to the specified frame number @option options [TrueClass, Array<Integer>] :level if true, window leveling is performed using default values from the DICOM object, or if an array ([center, width]) is specified, these custom values are used instead @option options [Boolean] :narray if true, forces the use of NArray for the pixel remap process (for faster execution) @option options [Boolean] :remap if true, the returned pixel values are remapped to presentation values @return [Array<MagickImage, NilClass>] an array of image objects, alternatively an empty array (if no image present or image decode failed) @example Retrieve the pixel data as RMagick image objects images = dcm.images @example Retrieve the pixel data as RMagick image objects, remapped to presentation values (but without any leveling) images = dcm.images(:remap => true) @example Retrieve the pixel data as RMagick image objects, remapped to presentation values and leveled using the default center/width values in the DICOM object images = dcm.images(:level => true) @example Retrieve the pixel data as RMagick image objects, remapped to presentation values, leveled with the specified center/width values and using numerical array for the rescaling (~twice as fast) images = dcm.images(:level => [-200,1000], :narray => true)
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3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/image_item.rb#L164-L198
22,376
dicom/ruby-dicom
lib/dicom/image_item.rb
DICOM.ImageItem.image_to_file
def image_to_file(file) raise ArgumentError, "Expected #{String}, got #{file.class}." unless file.is_a?(String) # Split the file name in case of multiple fragments: parts = file.split('.') if parts.length > 1 base = parts[0..-2].join extension = '.' + parts.last else base = file extension = '' end # Get the binary image strings and dump them to the file(s): images = image_strings images.each_index do |i| if images.length == 1 f = File.new(file, 'wb') else f = File.new("#{base}-#{i}#{extension}", 'wb') end f.write(images[i]) f.close end end
ruby
def image_to_file(file) raise ArgumentError, "Expected #{String}, got #{file.class}." unless file.is_a?(String) # Split the file name in case of multiple fragments: parts = file.split('.') if parts.length > 1 base = parts[0..-2].join extension = '.' + parts.last else base = file extension = '' end # Get the binary image strings and dump them to the file(s): images = image_strings images.each_index do |i| if images.length == 1 f = File.new(file, 'wb') else f = File.new("#{base}-#{i}#{extension}", 'wb') end f.write(images[i]) f.close end end
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Dumps the binary content of the Pixel Data element to the specified file. If the DICOM object contains multi-fragment pixel data, each fragment will be dumped to separate files (e.q. 'fragment-0.dat', 'fragment-1.dat'). @param [String] file a string which specifies the file path to use when dumping the pixel data @example Dumping the pixel data to a file dcm.image_to_file("exported_image.dat")
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3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/image_item.rb#L251-L273
22,377
dicom/ruby-dicom
lib/dicom/image_item.rb
DICOM.ImageItem.pixels
def pixels(options={}) pixels = nil if exists?(PIXEL_TAG) # For now we only support returning pixel data of the first frame, if the image is located in multiple pixel data items: if compression? pixels = decompress(image_strings.first) else pixels = decode_pixels(image_strings.first) end if pixels # Remap the image from pixel values to presentation values if the user has requested this: if options[:remap] or options[:level] if options[:narray] # Use numerical array (faster): pixels = process_presentation_values_narray(pixels, -65535, 65535, options[:level]).to_a else # Use standard Ruby array (slower): pixels = process_presentation_values(pixels, -65535, 65535, options[:level]) end end else logger.warn("Decompressing the Pixel Data failed. Pixel values can not be extracted.") end end return pixels end
ruby
def pixels(options={}) pixels = nil if exists?(PIXEL_TAG) # For now we only support returning pixel data of the first frame, if the image is located in multiple pixel data items: if compression? pixels = decompress(image_strings.first) else pixels = decode_pixels(image_strings.first) end if pixels # Remap the image from pixel values to presentation values if the user has requested this: if options[:remap] or options[:level] if options[:narray] # Use numerical array (faster): pixels = process_presentation_values_narray(pixels, -65535, 65535, options[:level]).to_a else # Use standard Ruby array (slower): pixels = process_presentation_values(pixels, -65535, 65535, options[:level]) end end else logger.warn("Decompressing the Pixel Data failed. Pixel values can not be extracted.") end end return pixels end
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Extracts the Pixel Data values in an ordinary Ruby Array. Returns nil if no pixel data is present, and false if it fails to retrieve pixel data which is present. The returned array does not carry the dimensions of the pixel data: It is put in a one dimensional Array (vector). @param [Hash] options the options to use for extracting the pixel data @option options [TrueClass, Array<Integer>] :level if true, window leveling is performed using default values from the DICOM object, or if an array ([center, width]) is specified, these custom values are used instead @option options [Boolean] :narray if true, forces the use of NArray for the pixel remap process (for faster execution) @option options [Boolean] :remap if true, the returned pixel values are remapped to presentation values @return [Array, NilClass, FalseClass] an Array of pixel values, alternatively nil (if no image present) or false (if image decode failed) @example Simply retrieve the pixel data pixels = dcm.pixels @example Retrieve the pixel data remapped to presentation values according to window center/width settings pixels = dcm.pixels(:remap => true) @example Retrieve the remapped pixel data while using numerical array (~twice as fast) pixels = dcm.pixels(:remap => true, :narray => true)
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3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/image_item.rb#L392-L417
22,378
dicom/ruby-dicom
lib/dicom/image_item.rb
DICOM.ImageItem.decode_rle
def decode_rle(cols, rows, string) # FIXME: Remove cols and rows (were only added for debugging). pixels = Array.new # RLE header specifying the number of segments: header = string[0...64].unpack('L*') image_segments = Array.new # Extracting all start and endpoints of the different segments: header.each_index do |n| if n == 0 # This one need no processing. elsif n == header[0] # It's the last one image_segments << [header[n], -1] break else image_segments << [header[n], header[n + 1] - 1] end end # Iterate over each segment and extract pixel data: image_segments.each do |range| segment_data = Array.new next_bytes = -1 next_multiplier = 0 # Iterate this segment's pixel string: string[range[0]..range[1]].each_byte do |b| if next_multiplier > 0 next_multiplier.times { segment_data << b } next_multiplier = 0 elsif next_bytes > 0 segment_data << b next_bytes -= 1 elsif b <= 127 next_bytes = b + 1 else # Explaining the 257 at this point is a little bit complicate. Basically it has something # to do with the algorithm described in the DICOM standard and that the value -1 as uint8 is 255. # TODO: Is this architectur safe or does it only work on Intel systems??? next_multiplier = 257 - b end end # Verify that the RLE decoding has executed properly: throw "Size mismatch #{segment_data.size} != #{rows * cols}" if segment_data.size != rows * cols pixels += segment_data end return pixels end
ruby
def decode_rle(cols, rows, string) # FIXME: Remove cols and rows (were only added for debugging). pixels = Array.new # RLE header specifying the number of segments: header = string[0...64].unpack('L*') image_segments = Array.new # Extracting all start and endpoints of the different segments: header.each_index do |n| if n == 0 # This one need no processing. elsif n == header[0] # It's the last one image_segments << [header[n], -1] break else image_segments << [header[n], header[n + 1] - 1] end end # Iterate over each segment and extract pixel data: image_segments.each do |range| segment_data = Array.new next_bytes = -1 next_multiplier = 0 # Iterate this segment's pixel string: string[range[0]..range[1]].each_byte do |b| if next_multiplier > 0 next_multiplier.times { segment_data << b } next_multiplier = 0 elsif next_bytes > 0 segment_data << b next_bytes -= 1 elsif b <= 127 next_bytes = b + 1 else # Explaining the 257 at this point is a little bit complicate. Basically it has something # to do with the algorithm described in the DICOM standard and that the value -1 as uint8 is 255. # TODO: Is this architectur safe or does it only work on Intel systems??? next_multiplier = 257 - b end end # Verify that the RLE decoding has executed properly: throw "Size mismatch #{segment_data.size} != #{rows * cols}" if segment_data.size != rows * cols pixels += segment_data end return pixels end
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Performs a run length decoding on the input stream. @note For details on RLE encoding, refer to the DICOM standard, PS3.5, Section 8.2.2 as well as Annex G. @param [Integer] cols number of colums of the encoded image @param [Integer] rows number of rows of the encoded image @param [Integer] string the encoded pixel string @return [Array<Integer>] the decoded pixel values
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3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/image_item.rb#L491-L536
22,379
dicom/ruby-dicom
lib/dicom/image_item.rb
DICOM.ImageItem.process_presentation_values
def process_presentation_values(pixel_data, min_allowed, max_allowed, level=nil) # Process pixel data for presentation according to the image information in the DICOM object: center, width, intercept, slope = window_level_values # Have image leveling been requested? if level # If custom values are specified in an array, use those. If not, the default values from the DICOM object are used: if level.is_a?(Array) center = level[0] width = level[1] end else center, width = false, false end # PixelOutput = slope * pixel_values + intercept if intercept != 0 or slope != 1 pixel_data.collect!{|x| (slope * x) + intercept} end # Contrast enhancement by black and white thresholding: if center and width low = center - width/2 high = center + width/2 pixel_data.each_index do |i| if pixel_data[i] < low pixel_data[i] = low elsif pixel_data[i] > high pixel_data[i] = high end end end # Need to introduce an offset? min_pixel_value = pixel_data.min if min_allowed if min_pixel_value < min_allowed offset = min_pixel_value.abs pixel_data.collect!{|x| x + offset} end end # Downscale pixel range? max_pixel_value = pixel_data.max if max_allowed if max_pixel_value > max_allowed factor = (max_pixel_value.to_f/max_allowed.to_f).ceil pixel_data.collect!{|x| x / factor} end end return pixel_data end
ruby
def process_presentation_values(pixel_data, min_allowed, max_allowed, level=nil) # Process pixel data for presentation according to the image information in the DICOM object: center, width, intercept, slope = window_level_values # Have image leveling been requested? if level # If custom values are specified in an array, use those. If not, the default values from the DICOM object are used: if level.is_a?(Array) center = level[0] width = level[1] end else center, width = false, false end # PixelOutput = slope * pixel_values + intercept if intercept != 0 or slope != 1 pixel_data.collect!{|x| (slope * x) + intercept} end # Contrast enhancement by black and white thresholding: if center and width low = center - width/2 high = center + width/2 pixel_data.each_index do |i| if pixel_data[i] < low pixel_data[i] = low elsif pixel_data[i] > high pixel_data[i] = high end end end # Need to introduce an offset? min_pixel_value = pixel_data.min if min_allowed if min_pixel_value < min_allowed offset = min_pixel_value.abs pixel_data.collect!{|x| x + offset} end end # Downscale pixel range? max_pixel_value = pixel_data.max if max_allowed if max_pixel_value > max_allowed factor = (max_pixel_value.to_f/max_allowed.to_f).ceil pixel_data.collect!{|x| x / factor} end end return pixel_data end
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Converts original pixel data values to presentation values. @param [Array<Integer>] pixel_data an array of pixel values (integers) @param [Integer] min_allowed the minimum value allowed in the pixel data @param [Integer] max_allowed the maximum value allowed in the pixel data @param [Boolean, Array<Integer>] level if true, window leveling is performed using default values from the DICOM object, or if an array ([center, width]) is specified, these custom values are used instead @return [Array<Integer>] presentation values
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3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/image_item.rb#L609-L655
22,380
dicom/ruby-dicom
lib/dicom/image_item.rb
DICOM.ImageItem.process_presentation_values_narray
def process_presentation_values_narray(pixel_data, min_allowed, max_allowed, level=nil) # Process pixel data for presentation according to the image information in the DICOM object: center, width, intercept, slope = window_level_values # Have image leveling been requested? if level # If custom values are specified in an array, use those. If not, the default values from the DICOM object are used: if level.is_a?(Array) center = level[0] width = level[1] end else center, width = false, false end # Need to convert to NArray? if pixel_data.is_a?(Array) n_arr = Numo::NArray[*pixel_data] else n_arr = pixel_data end # Remap: # PixelOutput = slope * pixel_values + intercept if intercept != 0 or slope != 1 n_arr = slope * n_arr + intercept end # Contrast enhancement by black and white thresholding: if center and width low = center - width/2 high = center + width/2 n_arr[n_arr < low] = low n_arr[n_arr > high] = high end # Need to introduce an offset? min_pixel_value = n_arr.min if min_allowed if min_pixel_value < min_allowed offset = min_pixel_value.abs n_arr = n_arr + offset end end # Downscale pixel range? max_pixel_value = n_arr.max if max_allowed if max_pixel_value > max_allowed factor = (max_pixel_value.to_f/max_allowed.to_f).ceil n_arr = n_arr / factor end end return n_arr end
ruby
def process_presentation_values_narray(pixel_data, min_allowed, max_allowed, level=nil) # Process pixel data for presentation according to the image information in the DICOM object: center, width, intercept, slope = window_level_values # Have image leveling been requested? if level # If custom values are specified in an array, use those. If not, the default values from the DICOM object are used: if level.is_a?(Array) center = level[0] width = level[1] end else center, width = false, false end # Need to convert to NArray? if pixel_data.is_a?(Array) n_arr = Numo::NArray[*pixel_data] else n_arr = pixel_data end # Remap: # PixelOutput = slope * pixel_values + intercept if intercept != 0 or slope != 1 n_arr = slope * n_arr + intercept end # Contrast enhancement by black and white thresholding: if center and width low = center - width/2 high = center + width/2 n_arr[n_arr < low] = low n_arr[n_arr > high] = high end # Need to introduce an offset? min_pixel_value = n_arr.min if min_allowed if min_pixel_value < min_allowed offset = min_pixel_value.abs n_arr = n_arr + offset end end # Downscale pixel range? max_pixel_value = n_arr.max if max_allowed if max_pixel_value > max_allowed factor = (max_pixel_value.to_f/max_allowed.to_f).ceil n_arr = n_arr / factor end end return n_arr end
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Converts original pixel data values to presentation values, using the efficient NArray library. @note If a Ruby Array is supplied, the method returns a one-dimensional NArray object (i.e. no columns & rows). @note If a NArray is supplied, the NArray is returned with its original dimensions. @param [Array<Integer>, NArray] pixel_data pixel values @param [Integer] min_allowed the minimum value allowed in the pixel data @param [Integer] max_allowed the maximum value allowed in the pixel data @param [Boolean, Array<Integer>] level if true, window leveling is performed using default values from the DICOM object, or if an array ([center, width]) is specified, these custom values are used instead @return [Array<Integer>, NArray] presentation values
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3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/image_item.rb#L668-L716
22,381
dicom/ruby-dicom
lib/dicom/image_item.rb
DICOM.ImageItem.read_image
def read_image(pixel_data, columns, rows, options={}) raise ArgumentError, "Expected Array for pixel_data, got #{pixel_data.class}" unless pixel_data.is_a?(Array) raise ArgumentError, "Expected Integer for columns, got #{columns.class}" unless columns.is_a?(Integer) raise ArgumentError, "Expected Rows for columns, got #{rows.class}" unless rows.is_a?(Integer) raise ArgumentError, "Size of pixel_data must be at least equal to columns*rows. Got #{columns}*#{rows}=#{columns*rows}, which is less than the array size #{pixel_data.length}" if columns * rows > pixel_data.length # Remap the image from pixel values to presentation values if the user has requested this: if options[:remap] or options[:level] # How to perform the remapping? NArray (fast) or Ruby Array (slow)? if options[:narray] == true pixel_data = process_presentation_values_narray(pixel_data, 0, 65535, options[:level]).to_a else pixel_data = process_presentation_values(pixel_data, 0, 65535, options[:level]) end else # No remapping, but make sure that we pass on unsigned pixel values to the image processor: pixel_data = pixel_data.to_unsigned(bit_depth) if signed_pixels? end image = import_pixels(pixel_data.to_blob(actual_bit_depth), columns, rows, actual_bit_depth, photometry) return image end
ruby
def read_image(pixel_data, columns, rows, options={}) raise ArgumentError, "Expected Array for pixel_data, got #{pixel_data.class}" unless pixel_data.is_a?(Array) raise ArgumentError, "Expected Integer for columns, got #{columns.class}" unless columns.is_a?(Integer) raise ArgumentError, "Expected Rows for columns, got #{rows.class}" unless rows.is_a?(Integer) raise ArgumentError, "Size of pixel_data must be at least equal to columns*rows. Got #{columns}*#{rows}=#{columns*rows}, which is less than the array size #{pixel_data.length}" if columns * rows > pixel_data.length # Remap the image from pixel values to presentation values if the user has requested this: if options[:remap] or options[:level] # How to perform the remapping? NArray (fast) or Ruby Array (slow)? if options[:narray] == true pixel_data = process_presentation_values_narray(pixel_data, 0, 65535, options[:level]).to_a else pixel_data = process_presentation_values(pixel_data, 0, 65535, options[:level]) end else # No remapping, but make sure that we pass on unsigned pixel values to the image processor: pixel_data = pixel_data.to_unsigned(bit_depth) if signed_pixels? end image = import_pixels(pixel_data.to_blob(actual_bit_depth), columns, rows, actual_bit_depth, photometry) return image end
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Creates an image object from the specified pixel value array, performing presentation value processing if requested. @note Definitions for Window Center and Width can be found in the DICOM standard, PS 3.3 C.11.2.1.2 @param [Array<Integer>] pixel_data an array of pixel values @param [Integer] columns the number of columns in the pixel data @param [Integer] rows the number of rows in the pixel data @param [Hash] options the options to use for reading the image @option options [Boolean] :remap if true, pixel values are remapped to presentation values (using intercept and slope values from the DICOM object) @option options [Boolean, Array<Integer>] :level if true, window leveling is performed using default values from the DICOM object, or if an array ([center, width]) is specified, these custom values are used instead @option options [Boolean] :narray if true, forces the use of NArray for the pixel remap process (for faster execution) @return [MagickImage] the extracted image object
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3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/image_item.rb#L732-L751
22,382
dicom/ruby-dicom
lib/dicom/image_item.rb
DICOM.ImageItem.window_level_values
def window_level_values center = (self['0028,1050'].is_a?(Element) == true ? self['0028,1050'].value.to_i : nil) width = (self['0028,1051'].is_a?(Element) == true ? self['0028,1051'].value.to_i : nil) intercept = (self['0028,1052'].is_a?(Element) == true ? self['0028,1052'].value.to_i : 0) slope = (self['0028,1053'].is_a?(Element) == true ? self['0028,1053'].value.to_i : 1) return center, width, intercept, slope end
ruby
def window_level_values center = (self['0028,1050'].is_a?(Element) == true ? self['0028,1050'].value.to_i : nil) width = (self['0028,1051'].is_a?(Element) == true ? self['0028,1051'].value.to_i : nil) intercept = (self['0028,1052'].is_a?(Element) == true ? self['0028,1052'].value.to_i : 0) slope = (self['0028,1053'].is_a?(Element) == true ? self['0028,1053'].value.to_i : 1) return center, width, intercept, slope end
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Collects the window level values needed to convert the original pixel values to presentation values. @note If some of these values are missing in the DObject instance, default values are used instead for intercept and slope, while center and width are set to nil. No errors are raised. @return [Array<Integer, NilClass>] center, width, intercept and slope
[ "Collects", "the", "window", "level", "values", "needed", "to", "convert", "the", "original", "pixel", "values", "to", "presentation", "values", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/image_item.rb#L813-L819
22,383
dicom/ruby-dicom
lib/dicom/image_item.rb
DICOM.ImageItem.write_pixels
def write_pixels(bin) if self.exists?(PIXEL_TAG) # Update existing Data Element: self[PIXEL_TAG].bin = bin else # Create new Data Element: pixel_element = Element.new(PIXEL_TAG, bin, :encoded => true, :parent => self) end end
ruby
def write_pixels(bin) if self.exists?(PIXEL_TAG) # Update existing Data Element: self[PIXEL_TAG].bin = bin else # Create new Data Element: pixel_element = Element.new(PIXEL_TAG, bin, :encoded => true, :parent => self) end end
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Transfers a pre-encoded binary string to the pixel data element, either by overwriting the existing element value, or creating a new "Pixel Data" element. @param [String] bin a binary string containing encoded pixel data
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3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/image_item.rb#L826-L834
22,384
dicom/ruby-dicom
lib/dicom/d_read.rb
DICOM.Parent.parse
def parse(bin, syntax, switched=false, explicit=true) raise ArgumentError, "Invalid argument 'bin'. Expected String, got #{bin.class}." unless bin.is_a?(String) raise ArgumentError, "Invalid argument 'syntax'. Expected String, got #{syntax.class}." unless syntax.is_a?(String) read(bin, signature=false, :syntax => syntax, :switched => switched, :explicit => explicit) end
ruby
def parse(bin, syntax, switched=false, explicit=true) raise ArgumentError, "Invalid argument 'bin'. Expected String, got #{bin.class}." unless bin.is_a?(String) raise ArgumentError, "Invalid argument 'syntax'. Expected String, got #{syntax.class}." unless syntax.is_a?(String) read(bin, signature=false, :syntax => syntax, :switched => switched, :explicit => explicit) end
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Loads data from an encoded DICOM string and creates items and elements which are linked to this instance. @param [String] bin an encoded binary string containing DICOM information @param [String] syntax the transfer syntax to use when decoding the DICOM string @param [Boolean] switched indicating whether the transfer syntax 'switch' has occured in the data stream of this object
[ "Loads", "data", "from", "an", "encoded", "DICOM", "string", "and", "creates", "items", "and", "elements", "which", "are", "linked", "to", "this", "instance", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_read.rb#L12-L16
22,385
dicom/ruby-dicom
lib/dicom/d_read.rb
DICOM.Parent.check_duplicate
def check_duplicate(tag, elemental) if @current_parent[tag] gp = @current_parent.parent ? "#{@current_parent.parent.representation} => " : '' p = @current_parent.representation logger.warn("Duplicate #{elemental} (#{tag}) detected at level: #{gp}#{p}") end end
ruby
def check_duplicate(tag, elemental) if @current_parent[tag] gp = @current_parent.parent ? "#{@current_parent.parent.representation} => " : '' p = @current_parent.representation logger.warn("Duplicate #{elemental} (#{tag}) detected at level: #{gp}#{p}") end end
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Checks whether the given tag is a duplicate of an existing tag with this parent. @param [String] tag the tag of the candidate duplicate elemental @param [String] elemental the duplicate elemental type (e.g. Sequence, Element)
[ "Checks", "whether", "the", "given", "tag", "is", "a", "duplicate", "of", "an", "existing", "tag", "with", "this", "parent", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_read.rb#L27-L33
22,386
dicom/ruby-dicom
lib/dicom/d_read.rb
DICOM.Parent.check_header
def check_header # According to the official DICOM standard, a DICOM file shall contain 128 consequtive (zero) bytes, # followed by 4 bytes that spell the string 'DICM'. Apparently, some providers seems to skip this in their DICOM files. # Check that the string is long enough to contain a valid header: if @str.length < 132 # This does not seem to be a valid DICOM string and so we return. return nil else @stream.skip(128) # Next 4 bytes should spell "DICM": identifier = @stream.decode(4, "STR") @header_length += 132 if identifier != "DICM" then # Header signature is not valid (we will still try to parse it is a DICOM string though): logger.warn("This string does not contain the expected DICOM header. Will try to parse the string anyway (assuming a missing header).") # As the string is not conforming to the DICOM standard, it is possible that it does not contain a # transfer syntax element, and as such, we attempt to choose the most probable encoding values here: @explicit = false return false else # Header signature is valid: @signature = true return true end end end
ruby
def check_header # According to the official DICOM standard, a DICOM file shall contain 128 consequtive (zero) bytes, # followed by 4 bytes that spell the string 'DICM'. Apparently, some providers seems to skip this in their DICOM files. # Check that the string is long enough to contain a valid header: if @str.length < 132 # This does not seem to be a valid DICOM string and so we return. return nil else @stream.skip(128) # Next 4 bytes should spell "DICM": identifier = @stream.decode(4, "STR") @header_length += 132 if identifier != "DICM" then # Header signature is not valid (we will still try to parse it is a DICOM string though): logger.warn("This string does not contain the expected DICOM header. Will try to parse the string anyway (assuming a missing header).") # As the string is not conforming to the DICOM standard, it is possible that it does not contain a # transfer syntax element, and as such, we attempt to choose the most probable encoding values here: @explicit = false return false else # Header signature is valid: @signature = true return true end end end
[ "def", "check_header", "# According to the official DICOM standard, a DICOM file shall contain 128 consequtive (zero) bytes,", "# followed by 4 bytes that spell the string 'DICM'. Apparently, some providers seems to skip this in their DICOM files.", "# Check that the string is long enough to contain a valid header:", "if", "@str", ".", "length", "<", "132", "# This does not seem to be a valid DICOM string and so we return.", "return", "nil", "else", "@stream", ".", "skip", "(", "128", ")", "# Next 4 bytes should spell \"DICM\":", "identifier", "=", "@stream", ".", "decode", "(", "4", ",", "\"STR\"", ")", "@header_length", "+=", "132", "if", "identifier", "!=", "\"DICM\"", "then", "# Header signature is not valid (we will still try to parse it is a DICOM string though):", "logger", ".", "warn", "(", "\"This string does not contain the expected DICOM header. Will try to parse the string anyway (assuming a missing header).\"", ")", "# As the string is not conforming to the DICOM standard, it is possible that it does not contain a", "# transfer syntax element, and as such, we attempt to choose the most probable encoding values here:", "@explicit", "=", "false", "return", "false", "else", "# Header signature is valid:", "@signature", "=", "true", "return", "true", "end", "end", "end" ]
Checks for the official DICOM header signature. @return [Boolean] true if the proper signature is present, false if not, and nil if the string was shorter then the length of the DICOM signature
[ "Checks", "for", "the", "official", "DICOM", "header", "signature", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_read.rb#L39-L64
22,387
dicom/ruby-dicom
lib/dicom/d_read.rb
DICOM.Parent.process_data_element
def process_data_element # FIXME: This method has grown a bit messy and isn't very pleasant to read. Cleanup possible? # After having been into a possible unknown sequence with undefined length, we may need to reset # explicitness from implicit to explicit: if !@original_explicit.nil? && @explicitness_reset_parent == @current_parent @explicit = @original_explicit end # STEP 1: # Attempt to read data element tag: tag = read_tag # Return nil if we have (naturally) reached the end of the data string. return nil unless tag # STEP 2: # Access library to retrieve the data element name and VR from the tag we just read: # (Note: VR will be overwritten in the next step if the DICOM string contains VR (explicit encoding)) name, vr = LIBRARY.name_and_vr(tag) # STEP 3: # Read VR (if it exists) and the length value: vr, length = read_vr_length(vr,tag) level_vr = vr # STEP 4: # Reading value of data element. # Special handling needed for items in encapsulated image data: if @enc_image and tag == ITEM_TAG # The first item appearing after the image element is a 'normal' item, the rest hold image data. # Note that the first item will contain data if there are multiple images, and so must be read. vr = "OW" # how about alternatives like OB? # Modify name of item if this is an item that holds pixel data: if @current_element.tag != PIXEL_TAG name = PIXEL_ITEM_NAME end end # Read the binary string of the element: bin = read_bin(length) if length > 0 # Read the value of the element (if it contains data, and it is not a sequence or ordinary item): if length > 0 and vr != "SQ" and tag != ITEM_TAG # Read the element's processed value: value = read_value(vr, length) else # Data element has no value (data). value = nil # Special case: Check if pixel data element is sequenced: if tag == PIXEL_TAG # Change name and vr of pixel data element if it does not contain data itself: name = ENCAPSULATED_PIXEL_NAME level_vr = "SQ" @enc_image = true end end # Create an Element from the gathered data: # if vr is UN ("unknown") and length is -1, treat as a sequence (sec. 6.2.2 of DICOM standard) if level_vr == "SQ" or tag == ITEM_TAG or (level_vr == "UN" and length == -1) if level_vr == "SQ" or (level_vr == "UN" and length == -1) check_duplicate(tag, 'Sequence') # If we get an unknown sequence with undefined length, we must switch to implicit for decoding its content: if level_vr == "UN" and length == -1 @original_explicit = @explicit @explicit = false @explicitness_reset_parent = @current_parent end unless @current_parent[tag] and !@overwrite @current_element = Sequence.new(tag, :length => length, :name => name, :parent => @current_parent, :vr => vr) else # We have skipped a sequence. This means that any following children # of this sequence must be skipped as well. We solve this by creating an 'orphaned' # sequence that has a parent defined, but does not add itself to this parent: @current_element = Sequence.new(tag, :length => length, :name => name, :vr => vr) @current_element.set_parent(@current_parent) end elsif tag == ITEM_TAG # Create an Item: if @enc_image @current_element = Item.new(:bin => bin, :length => length, :name => name, :parent => @current_parent, :vr => vr) else @current_element = Item.new(:length => length, :name => name, :parent => @current_parent, :vr => vr) end end # Common operations on the two types of parent elements: if length == 0 and @enc_image # Set as parent. Exceptions when parent will not be set: # Item/Sequence has zero length & Item is a pixel item (which contains pixels, not child elements). @current_parent = @current_element elsif length != 0 @current_parent = @current_element unless name == PIXEL_ITEM_NAME end # If length is specified (no delimitation items), load a new DRead instance to read these child elements # and load them into the current sequence. The exception is when we have a pixel data item. if length > 0 and not @enc_image @current_element.parse(bin, @transfer_syntax, switched=@switched, @explicit) @current_parent = @current_parent.parent return false unless @read_success end elsif DELIMITER_TAGS.include?(tag) # We do not create an element for the delimiter items. # The occurance of such a tag indicates that a sequence or item has ended, and the parent must be changed: @current_parent = @current_parent.parent else check_duplicate(tag, 'Element') unless @current_parent[tag] and !@overwrite @current_element = Element.new(tag, value, :bin => bin, :name => name, :parent => @current_parent, :vr => vr) # Check that the data stream didn't end abruptly: raise "The actual length of the value (#{@current_element.bin.length}) does not match its specified length (#{length}) for Data Element #{@current_element.tag}" if length != @current_element.bin.length end end # Return true to indicate success: return true end
ruby
def process_data_element # FIXME: This method has grown a bit messy and isn't very pleasant to read. Cleanup possible? # After having been into a possible unknown sequence with undefined length, we may need to reset # explicitness from implicit to explicit: if !@original_explicit.nil? && @explicitness_reset_parent == @current_parent @explicit = @original_explicit end # STEP 1: # Attempt to read data element tag: tag = read_tag # Return nil if we have (naturally) reached the end of the data string. return nil unless tag # STEP 2: # Access library to retrieve the data element name and VR from the tag we just read: # (Note: VR will be overwritten in the next step if the DICOM string contains VR (explicit encoding)) name, vr = LIBRARY.name_and_vr(tag) # STEP 3: # Read VR (if it exists) and the length value: vr, length = read_vr_length(vr,tag) level_vr = vr # STEP 4: # Reading value of data element. # Special handling needed for items in encapsulated image data: if @enc_image and tag == ITEM_TAG # The first item appearing after the image element is a 'normal' item, the rest hold image data. # Note that the first item will contain data if there are multiple images, and so must be read. vr = "OW" # how about alternatives like OB? # Modify name of item if this is an item that holds pixel data: if @current_element.tag != PIXEL_TAG name = PIXEL_ITEM_NAME end end # Read the binary string of the element: bin = read_bin(length) if length > 0 # Read the value of the element (if it contains data, and it is not a sequence or ordinary item): if length > 0 and vr != "SQ" and tag != ITEM_TAG # Read the element's processed value: value = read_value(vr, length) else # Data element has no value (data). value = nil # Special case: Check if pixel data element is sequenced: if tag == PIXEL_TAG # Change name and vr of pixel data element if it does not contain data itself: name = ENCAPSULATED_PIXEL_NAME level_vr = "SQ" @enc_image = true end end # Create an Element from the gathered data: # if vr is UN ("unknown") and length is -1, treat as a sequence (sec. 6.2.2 of DICOM standard) if level_vr == "SQ" or tag == ITEM_TAG or (level_vr == "UN" and length == -1) if level_vr == "SQ" or (level_vr == "UN" and length == -1) check_duplicate(tag, 'Sequence') # If we get an unknown sequence with undefined length, we must switch to implicit for decoding its content: if level_vr == "UN" and length == -1 @original_explicit = @explicit @explicit = false @explicitness_reset_parent = @current_parent end unless @current_parent[tag] and !@overwrite @current_element = Sequence.new(tag, :length => length, :name => name, :parent => @current_parent, :vr => vr) else # We have skipped a sequence. This means that any following children # of this sequence must be skipped as well. We solve this by creating an 'orphaned' # sequence that has a parent defined, but does not add itself to this parent: @current_element = Sequence.new(tag, :length => length, :name => name, :vr => vr) @current_element.set_parent(@current_parent) end elsif tag == ITEM_TAG # Create an Item: if @enc_image @current_element = Item.new(:bin => bin, :length => length, :name => name, :parent => @current_parent, :vr => vr) else @current_element = Item.new(:length => length, :name => name, :parent => @current_parent, :vr => vr) end end # Common operations on the two types of parent elements: if length == 0 and @enc_image # Set as parent. Exceptions when parent will not be set: # Item/Sequence has zero length & Item is a pixel item (which contains pixels, not child elements). @current_parent = @current_element elsif length != 0 @current_parent = @current_element unless name == PIXEL_ITEM_NAME end # If length is specified (no delimitation items), load a new DRead instance to read these child elements # and load them into the current sequence. The exception is when we have a pixel data item. if length > 0 and not @enc_image @current_element.parse(bin, @transfer_syntax, switched=@switched, @explicit) @current_parent = @current_parent.parent return false unless @read_success end elsif DELIMITER_TAGS.include?(tag) # We do not create an element for the delimiter items. # The occurance of such a tag indicates that a sequence or item has ended, and the parent must be changed: @current_parent = @current_parent.parent else check_duplicate(tag, 'Element') unless @current_parent[tag] and !@overwrite @current_element = Element.new(tag, value, :bin => bin, :name => name, :parent => @current_parent, :vr => vr) # Check that the data stream didn't end abruptly: raise "The actual length of the value (#{@current_element.bin.length}) does not match its specified length (#{length}) for Data Element #{@current_element.tag}" if length != @current_element.bin.length end end # Return true to indicate success: return true end
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Handles the process of reading a data element from the DICOM string, and creating an element object from the parsed data. @return [Boolean] nil if end of string has been reached (in an expected way), false if the element parse failed, and true if an element was parsed successfully
[ "Handles", "the", "process", "of", "reading", "a", "data", "element", "from", "the", "DICOM", "string", "and", "creating", "an", "element", "object", "from", "the", "parsed", "data", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_read.rb#L71-L177
22,388
dicom/ruby-dicom
lib/dicom/d_read.rb
DICOM.Parent.read
def read(string, signature=true, options={}) # (Re)Set variables: @str = string @overwrite = options[:overwrite] # Presence of the official DICOM signature: @signature = false # Default explicitness of start of DICOM string (if undefined it defaults to true): @explicit = options[:explicit].nil? ? true : options[:explicit] # Default endianness of start of DICOM string is little endian: @str_endian = false # A switch of endianness may occur after the initial meta group, an this needs to be monitored: @switched_endian = false # Explicitness of the remaining groups after the initial 0002 group: @rest_explicit = false # Endianness of the remaining groups after the first group: @rest_endian = false # When the string switch from group 0002 to a later group we will update encoding values, and this switch will keep track of that: @switched = options[:switched] ? options[:switched] : false # Keeping track of the data element parent status while parsing the DICOM string: @current_parent = self # Keeping track of what is the current data element: @current_element = self # Items contained under the pixel data element may contain data directly, so we need a variable to keep track of this: @enc_image = false # Assume header size is zero bytes until otherwise is determined: @header_length = 0 # Assume string will be read successfully and toggle it later if we experience otherwise: @read_success = true # Our encoding instance: @stream = Stream.new(@str, @str_endian) # If a transfer syntax has been specified as an option for a DICOM object, # make sure that it makes it into the object: if options[:syntax] @transfer_syntax = options[:syntax] Element.new("0002,0010", options[:syntax], :parent => self) if self.is_a?(DObject) end # Check for header information if indicated: if signature # Read and verify the DICOM header: header = check_header # If the string is without the expected header, we will attempt # to read data elements from the very start of the string: if header == false @stream.skip(-132) elsif header.nil? # Not a valid DICOM string, return: @read_success = false return end end # Run a loop which parses Data Elements, one by one, until the end of the data string is reached: data_element = true while data_element do # Using a rescue clause since processing Data Elements can cause errors when parsing an invalid DICOM string. begin # Extracting Data element information (nil is returned if end of the string is encountered in a normal way). data_element = process_data_element rescue Exception => msg # The parse algorithm crashed. Set data_element as false to break # the loop and toggle the success boolean to indicate failure. @read_success = false data_element = false # Output the raised message as a warning: logger.warn(msg.to_s) # Ouput the backtrace as debug information: logger.debug(msg.backtrace) # Explain the failure as an error: logger.error("Parsing a Data Element has failed. This is likely caused by an invalid DICOM encoding.") end end end
ruby
def read(string, signature=true, options={}) # (Re)Set variables: @str = string @overwrite = options[:overwrite] # Presence of the official DICOM signature: @signature = false # Default explicitness of start of DICOM string (if undefined it defaults to true): @explicit = options[:explicit].nil? ? true : options[:explicit] # Default endianness of start of DICOM string is little endian: @str_endian = false # A switch of endianness may occur after the initial meta group, an this needs to be monitored: @switched_endian = false # Explicitness of the remaining groups after the initial 0002 group: @rest_explicit = false # Endianness of the remaining groups after the first group: @rest_endian = false # When the string switch from group 0002 to a later group we will update encoding values, and this switch will keep track of that: @switched = options[:switched] ? options[:switched] : false # Keeping track of the data element parent status while parsing the DICOM string: @current_parent = self # Keeping track of what is the current data element: @current_element = self # Items contained under the pixel data element may contain data directly, so we need a variable to keep track of this: @enc_image = false # Assume header size is zero bytes until otherwise is determined: @header_length = 0 # Assume string will be read successfully and toggle it later if we experience otherwise: @read_success = true # Our encoding instance: @stream = Stream.new(@str, @str_endian) # If a transfer syntax has been specified as an option for a DICOM object, # make sure that it makes it into the object: if options[:syntax] @transfer_syntax = options[:syntax] Element.new("0002,0010", options[:syntax], :parent => self) if self.is_a?(DObject) end # Check for header information if indicated: if signature # Read and verify the DICOM header: header = check_header # If the string is without the expected header, we will attempt # to read data elements from the very start of the string: if header == false @stream.skip(-132) elsif header.nil? # Not a valid DICOM string, return: @read_success = false return end end # Run a loop which parses Data Elements, one by one, until the end of the data string is reached: data_element = true while data_element do # Using a rescue clause since processing Data Elements can cause errors when parsing an invalid DICOM string. begin # Extracting Data element information (nil is returned if end of the string is encountered in a normal way). data_element = process_data_element rescue Exception => msg # The parse algorithm crashed. Set data_element as false to break # the loop and toggle the success boolean to indicate failure. @read_success = false data_element = false # Output the raised message as a warning: logger.warn(msg.to_s) # Ouput the backtrace as debug information: logger.debug(msg.backtrace) # Explain the failure as an error: logger.error("Parsing a Data Element has failed. This is likely caused by an invalid DICOM encoding.") end end end
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Builds a DICOM object by parsing an encoded DICOM string. @param [String] string a binary DICOM string to be parsed @param [Boolean] signature if true (default), the parsing algorithm will look for the DICOM header signature @param [Hash] options the options to use for parsing the DICOM string @option options [Boolean] :overwrite for the rare case of a DICOM file containing duplicate elements, setting this as true instructs the parsing algorithm to overwrite the original element with duplicates @option options [String] :syntax if a syntax string is specified, the parsing algorithm is forced to use this transfer syntax when decoding the string
[ "Builds", "a", "DICOM", "object", "by", "parsing", "an", "encoded", "DICOM", "string", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_read.rb#L187-L257
22,389
dicom/ruby-dicom
lib/dicom/d_write.rb
DICOM.Parent.add_with_segmentation
def add_with_segmentation(string) # As the encoded DICOM string will be cut in multiple, smaller pieces, we need to monitor the length of our encoded strings: if (string.length + @stream.length) > @max_size split_and_add(string) elsif (30 + @stream.length) > @max_size # End the current segment, and start on a new segment for this string. @segments << @stream.export @stream.add_last(string) else # We are nowhere near the limit, simply add the string: @stream.add_last(string) end end
ruby
def add_with_segmentation(string) # As the encoded DICOM string will be cut in multiple, smaller pieces, we need to monitor the length of our encoded strings: if (string.length + @stream.length) > @max_size split_and_add(string) elsif (30 + @stream.length) > @max_size # End the current segment, and start on a new segment for this string. @segments << @stream.export @stream.add_last(string) else # We are nowhere near the limit, simply add the string: @stream.add_last(string) end end
[ "def", "add_with_segmentation", "(", "string", ")", "# As the encoded DICOM string will be cut in multiple, smaller pieces, we need to monitor the length of our encoded strings:", "if", "(", "string", ".", "length", "+", "@stream", ".", "length", ")", ">", "@max_size", "split_and_add", "(", "string", ")", "elsif", "(", "30", "+", "@stream", ".", "length", ")", ">", "@max_size", "# End the current segment, and start on a new segment for this string.", "@segments", "<<", "@stream", ".", "export", "@stream", ".", "add_last", "(", "string", ")", "else", "# We are nowhere near the limit, simply add the string:", "@stream", ".", "add_last", "(", "string", ")", "end", "end" ]
Adds an encoded string to the output stream, while keeping track of the accumulated size of the output stream, splitting it up as necessary, and transferring the encoded string fragments to an array. @param [String] string a pre-encoded string
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3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_write.rb#L31-L43
22,390
dicom/ruby-dicom
lib/dicom/d_write.rb
DICOM.Parent.check_encapsulated_image
def check_encapsulated_image(element) # If DICOM object contains encapsulated pixel data, we need some special handling for its items: if element.tag == PIXEL_TAG and element.parent.is_a?(DObject) @enc_image = true if element.length <= 0 end end
ruby
def check_encapsulated_image(element) # If DICOM object contains encapsulated pixel data, we need some special handling for its items: if element.tag == PIXEL_TAG and element.parent.is_a?(DObject) @enc_image = true if element.length <= 0 end end
[ "def", "check_encapsulated_image", "(", "element", ")", "# If DICOM object contains encapsulated pixel data, we need some special handling for its items:", "if", "element", ".", "tag", "==", "PIXEL_TAG", "and", "element", ".", "parent", ".", "is_a?", "(", "DObject", ")", "@enc_image", "=", "true", "if", "element", ".", "length", "<=", "0", "end", "end" ]
Toggles the status for enclosed pixel data. @param [Element, Item, Sequence] element a data element
[ "Toggles", "the", "status", "for", "enclosed", "pixel", "data", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_write.rb#L49-L54
22,391
dicom/ruby-dicom
lib/dicom/d_write.rb
DICOM.Parent.encode_in_segments
def encode_in_segments(max_size, options={}) @max_size = max_size @transfer_syntax = options[:syntax] # Until a DICOM write has completed successfully the status is 'unsuccessful': @write_success = false # Default explicitness of start of DICOM file: @explicit = true # Default endianness of start of DICOM files (little endian): @str_endian = false # When the file switch from group 0002 to a later group we will update encoding values, and this switch will keep track of that: @switched = false # Items contained under the Pixel Data element needs some special attention to write correctly: @enc_image = false # Create a Stream instance to handle the encoding of content to a binary string: @stream = Stream.new(nil, @str_endian) @segments = Array.new write_data_elements(children) # Extract the remaining string in our stream instance to our array of strings: @segments << @stream.export # Mark this write session as successful: @write_success = true return @segments end
ruby
def encode_in_segments(max_size, options={}) @max_size = max_size @transfer_syntax = options[:syntax] # Until a DICOM write has completed successfully the status is 'unsuccessful': @write_success = false # Default explicitness of start of DICOM file: @explicit = true # Default endianness of start of DICOM files (little endian): @str_endian = false # When the file switch from group 0002 to a later group we will update encoding values, and this switch will keep track of that: @switched = false # Items contained under the Pixel Data element needs some special attention to write correctly: @enc_image = false # Create a Stream instance to handle the encoding of content to a binary string: @stream = Stream.new(nil, @str_endian) @segments = Array.new write_data_elements(children) # Extract the remaining string in our stream instance to our array of strings: @segments << @stream.export # Mark this write session as successful: @write_success = true return @segments end
[ "def", "encode_in_segments", "(", "max_size", ",", "options", "=", "{", "}", ")", "@max_size", "=", "max_size", "@transfer_syntax", "=", "options", "[", ":syntax", "]", "# Until a DICOM write has completed successfully the status is 'unsuccessful':", "@write_success", "=", "false", "# Default explicitness of start of DICOM file:", "@explicit", "=", "true", "# Default endianness of start of DICOM files (little endian):", "@str_endian", "=", "false", "# When the file switch from group 0002 to a later group we will update encoding values, and this switch will keep track of that:", "@switched", "=", "false", "# Items contained under the Pixel Data element needs some special attention to write correctly:", "@enc_image", "=", "false", "# Create a Stream instance to handle the encoding of content to a binary string:", "@stream", "=", "Stream", ".", "new", "(", "nil", ",", "@str_endian", ")", "@segments", "=", "Array", ".", "new", "write_data_elements", "(", "children", ")", "# Extract the remaining string in our stream instance to our array of strings:", "@segments", "<<", "@stream", ".", "export", "# Mark this write session as successful:", "@write_success", "=", "true", "return", "@segments", "end" ]
Writes DICOM content to a series of size-limited binary strings, which is returned in an array. This is typically used in preparation of transmitting DICOM objects through network connections. @param [Integer] max_size the maximum segment string length @param [Hash] options the options to use for encoding the DICOM strings @option options [String] :syntax the transfer syntax used for the encoding settings of the post-meta part of the DICOM string @return [Array<String>] the encoded DICOM strings
[ "Writes", "DICOM", "content", "to", "a", "series", "of", "size", "-", "limited", "binary", "strings", "which", "is", "returned", "in", "an", "array", ".", "This", "is", "typically", "used", "in", "preparation", "of", "transmitting", "DICOM", "objects", "through", "network", "connections", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_write.rb#L64-L86
22,392
dicom/ruby-dicom
lib/dicom/d_write.rb
DICOM.Parent.split_and_add
def split_and_add(string) # Duplicate the string as not to ruin the binary of the data element with our slicing: segment = string.dup append = segment.slice!(0, @[email protected]) # Clear out the stream along with a small part of the string: @segments << @stream.export + append if (30 + segment.length) > @max_size # The remaining part of the string is bigger than the max limit, fill up more segments: # How many full segments will this string fill? number = (segment.length/@max_size.to_f).floor start_index = 0 number.times { @segments << segment.slice(start_index, @max_size) start_index += @max_size } # The remaining part is added to the stream: @stream.add_last(segment.slice(start_index, segment.length - start_index)) else # The rest of the string is small enough that it can be added to the stream: @stream.add_last(segment) end end
ruby
def split_and_add(string) # Duplicate the string as not to ruin the binary of the data element with our slicing: segment = string.dup append = segment.slice!(0, @[email protected]) # Clear out the stream along with a small part of the string: @segments << @stream.export + append if (30 + segment.length) > @max_size # The remaining part of the string is bigger than the max limit, fill up more segments: # How many full segments will this string fill? number = (segment.length/@max_size.to_f).floor start_index = 0 number.times { @segments << segment.slice(start_index, @max_size) start_index += @max_size } # The remaining part is added to the stream: @stream.add_last(segment.slice(start_index, segment.length - start_index)) else # The rest of the string is small enough that it can be added to the stream: @stream.add_last(segment) end end
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Splits a pre-encoded string in parts and adds it to the segments instance array. @param [String] string a pre-encoded string
[ "Splits", "a", "pre", "-", "encoded", "string", "in", "parts", "and", "adds", "it", "to", "the", "segments", "instance", "array", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_write.rb#L127-L148
22,393
dicom/ruby-dicom
lib/dicom/d_write.rb
DICOM.Parent.write_data_element
def write_data_element(element) # Step 1: Write tag: write_tag(element.tag) # Step 2: Write [VR] and value length: write_vr_length(element.tag, element.vr, element.length) # Step 3: Write value (Insert the already encoded binary string): write_value(element.bin) check_encapsulated_image(element) end
ruby
def write_data_element(element) # Step 1: Write tag: write_tag(element.tag) # Step 2: Write [VR] and value length: write_vr_length(element.tag, element.vr, element.length) # Step 3: Write value (Insert the already encoded binary string): write_value(element.bin) check_encapsulated_image(element) end
[ "def", "write_data_element", "(", "element", ")", "# Step 1: Write tag:", "write_tag", "(", "element", ".", "tag", ")", "# Step 2: Write [VR] and value length:", "write_vr_length", "(", "element", ".", "tag", ",", "element", ".", "vr", ",", "element", ".", "length", ")", "# Step 3: Write value (Insert the already encoded binary string):", "write_value", "(", "element", ".", "bin", ")", "check_encapsulated_image", "(", "element", ")", "end" ]
Encodes and writes a single data element. @param [Element, Item, Sequence] element a data element
[ "Encodes", "and", "writes", "a", "single", "data", "element", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_write.rb#L154-L162
22,394
dicom/ruby-dicom
lib/dicom/d_write.rb
DICOM.Parent.write_delimiter
def write_delimiter(element) delimiter_tag = (element.tag == ITEM_TAG ? ITEM_DELIMITER : SEQUENCE_DELIMITER) write_tag(delimiter_tag) write_vr_length(delimiter_tag, ITEM_VR, 0) end
ruby
def write_delimiter(element) delimiter_tag = (element.tag == ITEM_TAG ? ITEM_DELIMITER : SEQUENCE_DELIMITER) write_tag(delimiter_tag) write_vr_length(delimiter_tag, ITEM_VR, 0) end
[ "def", "write_delimiter", "(", "element", ")", "delimiter_tag", "=", "(", "element", ".", "tag", "==", "ITEM_TAG", "?", "ITEM_DELIMITER", ":", "SEQUENCE_DELIMITER", ")", "write_tag", "(", "delimiter_tag", ")", "write_vr_length", "(", "delimiter_tag", ",", "ITEM_VR", ",", "0", ")", "end" ]
Encodes and writes an Item or Sequence delimiter. @param [Item, Sequence] element a parent element
[ "Encodes", "and", "writes", "an", "Item", "or", "Sequence", "delimiter", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_write.rb#L212-L216
22,395
dicom/ruby-dicom
lib/dicom/d_write.rb
DICOM.Parent.write_elements
def write_elements(options={}) # Check if we are able to create given file: open_file(options[:file_name]) # Go ahead and write if the file was opened successfully: if @file # Initiate necessary variables: @transfer_syntax = options[:syntax] # Until a DICOM write has completed successfully the status is 'unsuccessful': @write_success = false # Default explicitness of start of DICOM file: @explicit = true # Default endianness of start of DICOM files (little endian): @str_endian = false # When the file switch from group 0002 to a later group we will update encoding values, and this switch will keep track of that: @switched = false # Items contained under the Pixel Data element needs some special attention to write correctly: @enc_image = false # Create a Stream instance to handle the encoding of content to a binary string: @stream = Stream.new(nil, @str_endian) # Tell the Stream instance which file to write to: @stream.set_file(@file) # Write the DICOM signature: write_signature if options[:signature] write_data_elements(children) # As file has been written successfully, it can be closed. @file.close # Mark this write session as successful: @write_success = true end end
ruby
def write_elements(options={}) # Check if we are able to create given file: open_file(options[:file_name]) # Go ahead and write if the file was opened successfully: if @file # Initiate necessary variables: @transfer_syntax = options[:syntax] # Until a DICOM write has completed successfully the status is 'unsuccessful': @write_success = false # Default explicitness of start of DICOM file: @explicit = true # Default endianness of start of DICOM files (little endian): @str_endian = false # When the file switch from group 0002 to a later group we will update encoding values, and this switch will keep track of that: @switched = false # Items contained under the Pixel Data element needs some special attention to write correctly: @enc_image = false # Create a Stream instance to handle the encoding of content to a binary string: @stream = Stream.new(nil, @str_endian) # Tell the Stream instance which file to write to: @stream.set_file(@file) # Write the DICOM signature: write_signature if options[:signature] write_data_elements(children) # As file has been written successfully, it can be closed. @file.close # Mark this write session as successful: @write_success = true end end
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Handles the encoding of DICOM information to string as well as writing it to file. @param [Hash] options the options to use for encoding the DICOM string @option options [String] :file_name the path & name of the DICOM file which is to be written to disk @option options [Boolean] :signature if true, the 128 byte preamble and 'DICM' signature is prepended to the encoded string @option options [String] :syntax the transfer syntax used for the encoding settings of the post-meta part of the DICOM string
[ "Handles", "the", "encoding", "of", "DICOM", "information", "to", "string", "as", "well", "as", "writing", "it", "to", "file", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_write.rb#L225-L254
22,396
dicom/ruby-dicom
lib/dicom/elemental.rb
DICOM.Elemental.stream
def stream if top_parent.is_a?(DObject) return top_parent.stream else return Stream.new(nil, file_endian=false) end end
ruby
def stream if top_parent.is_a?(DObject) return top_parent.stream else return Stream.new(nil, file_endian=false) end end
[ "def", "stream", "if", "top_parent", ".", "is_a?", "(", "DObject", ")", "return", "top_parent", ".", "stream", "else", "return", "Stream", ".", "new", "(", "nil", ",", "file_endian", "=", "false", ")", "end", "end" ]
Returns a Stream instance which can be used for encoding a value to binary. @note Retrieves the Stream instance of the top parent DObject instance. If this fails, a new Stream instance is created (with little endian encoding assumed).
[ "Returns", "a", "Stream", "instance", "which", "can", "be", "used", "for", "encoding", "a", "value", "to", "binary", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/elemental.rb#L93-L99
22,397
dicom/ruby-dicom
lib/dicom/d_library.rb
DICOM.DLibrary.add_element
def add_element(element) raise ArgumentError, "Invalid argument 'element'. Expected DictionaryElement, got #{element.class}" unless element.is_a?(DictionaryElement) # We store the elements in a hash with tag as key and the element instance as value: @elements[element.tag] = element # Populate the method conversion hashes with element data: method = element.name.to_element_method @methods_from_names[element.name] = method @names_from_methods[method] = element.name end
ruby
def add_element(element) raise ArgumentError, "Invalid argument 'element'. Expected DictionaryElement, got #{element.class}" unless element.is_a?(DictionaryElement) # We store the elements in a hash with tag as key and the element instance as value: @elements[element.tag] = element # Populate the method conversion hashes with element data: method = element.name.to_element_method @methods_from_names[element.name] = method @names_from_methods[method] = element.name end
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Creates a DLibrary instance. Adds a custom DictionaryElement to the ruby-dicom element dictionary. @param [DictionaryElement] element the custom dictionary element to be added
[ "Creates", "a", "DLibrary", "instance", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_library.rb#L40-L48
22,398
dicom/ruby-dicom
lib/dicom/d_library.rb
DICOM.DLibrary.add_element_dictionary
def add_element_dictionary(file) File.open(file, :encoding => 'utf-8').each do |record| fields = record.split("\t") add_element(DictionaryElement.new(fields[0], fields[1], fields[2].split(","), fields[3].rstrip, fields[4].rstrip)) end end
ruby
def add_element_dictionary(file) File.open(file, :encoding => 'utf-8').each do |record| fields = record.split("\t") add_element(DictionaryElement.new(fields[0], fields[1], fields[2].split(","), fields[3].rstrip, fields[4].rstrip)) end end
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Adds a custom dictionary file to the ruby-dicom element dictionary. @note The format of the dictionary is a tab-separated text file with 5 columns: * Tag, Name, VR, VM & Retired status * For samples check out ruby-dicom's element dictionaries in the git repository @param [String] file the path to the dictionary file to be added
[ "Adds", "a", "custom", "dictionary", "file", "to", "the", "ruby", "-", "dicom", "element", "dictionary", "." ]
3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_library.rb#L57-L62
22,399
dicom/ruby-dicom
lib/dicom/d_library.rb
DICOM.DLibrary.add_uid_dictionary
def add_uid_dictionary(file) File.open(file, :encoding => 'utf-8').each do |record| fields = record.split("\t") add_uid(UID.new(fields[0], fields[1], fields[2].rstrip, fields[3].rstrip)) end end
ruby
def add_uid_dictionary(file) File.open(file, :encoding => 'utf-8').each do |record| fields = record.split("\t") add_uid(UID.new(fields[0], fields[1], fields[2].rstrip, fields[3].rstrip)) end end
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Adds a custom dictionary file to the ruby-dicom uid dictionary. @note The format of the dictionary is a tab-separated text file with 4 columns: * Value, Name, Type & Retired status * For samples check out ruby-dicom's uid dictionaries in the git repository @param [String] file the path to the dictionary file to be added
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3ffcfe21edc8dcd31298f945781990789fc832ab
https://github.com/dicom/ruby-dicom/blob/3ffcfe21edc8dcd31298f945781990789fc832ab/lib/dicom/d_library.rb#L81-L86