     @slidesBeforeProblem = slidesBeforeProblem
 
 
-    if DESIRED_SLIDES_BEFORE_PROBLEM?
-      desiredStartSlide = slidesBeforeProblem - DESIRED_SLIDES_BEFORE_PROBLEM
+    if desiredSlidesBeforeProblem?
+      desiredStartSlide = slidesBeforeProblem - desiredSlidesBeforeProblem
     else
       desiredStartSlide = 0
 
-    if MIN_END_SEGMENTS_AT_FIRST_SLIDE?
-      minEndSegmentsAtFirstSlide = MIN_END_SEGMENTS_AT_FIRST_SLIDE
+    if minEndSegmentsAtFirstSlide?
+      minEndSegmentsAtFirstSlide = minEndSegmentsAtFirstSlide
     else
       minEndSegmentsAtFirstSlide = 0
 
-    if DESIRED_SLIDES_AFTER_PROBLEM?
-      desiredEndSlide = slidesBeforeProblem + DESIRED_SLIDES_AFTER_PROBLEM
+    if desiredSlidesAfterProblem?
+      desiredEndSlide = slidesBeforeProblem + desiredSlidesAfterProblem
     else
       desiredEndSlide = slidesBeforeProblem + slidesAfterProblem
 
-    if MIN_END_SEGMENTS_AT_LAST_SLIDE?
-      minEndSegmentsAtLastSlide = MIN_END_SEGMENTS_AT_LAST_SLIDE
+    if minEndSegmentsAtLastSlide?
+      minEndSegmentsAtLastSlide = minEndSegmentsAtLastSlide
     else
       minEndSegmentsAtLastSlide = 0
 
-    if NO_START_SEGMENT_AT_LAST_SLIDE?
-      noStartSegmentAtLastSlide = NO_START_SEGMENT_AT_LAST_SLIDE
+    if noStartSegmentAtLastSlide?
+      noStartSegmentAtLastSlide = noStartSegmentAtLastSlide
     else
       noStartSegmentAtLastSlide = false      
 

      dimensions : "[]"
      rgba: "Uint8Array"
      segmentation: "Uint16Array" 
    DESIRED_SLIDES_BEFORE_PROBLEM : "Number"
    MIN_END_SEGMENTS_AT_FIRST_SLIDE : "Number"
    DESIRED_SLIDES_AFTER_PROBLEM : "Number"
    MIN_END_SEGMENTS_AT_LAST_SLIDE : "Number"
    NO_START_SEGMENT_AT_LAST_SLIDE : "Boolean"


  PIXEL_SIZE : 11.3


    # apply filters

    # get StartSlide - apply desiredSlidesBeforeProblem and MIN_SEGMENTS_AT_FIRST_SLIDE

    firstStartFrame = @nmToSlide(mission.start.firstFrame)

