class_docstr: Call libvips operations.
  
  This class wraps the libvips VipsOperation class.
class_docstr_tok: ["Call","libvips","operations",".","This","class","wraps","the","libvips","VipsOperation","class","."]
code: def __init__(self, pointer):
      # logger.debug('Operation.__init__: pointer = %s', pointer)
      super(Operation, self).__init__(pointer)
  
imports: from __future__ import division, print_function
  import logging
  import pyvips
  from pyvips import ffi, vips_lib, Error, _to_bytes, _to_string, GValue, type_map, type_from_name, nickname_find, at_least_libvips
label_desc: Use image node_id 1 to create a new Operation object from inherited base classes: pyvips with example: obj = Operation(pointer)