     # @setClassification @classification  # ...
 
     @invert = false
-    @setCurrentFrameIdx 0
+
+    @currentFrameIdx = 0
 
     window.classifier = @
 

  className: 'classifier'
  template: require '../views/classifier'
  marks: []
  events:
    'click button[name="play-frames"]'    : 'onClickPlay'
    'click button[name="invert"]'         : 'onClickInvert'
    'click button[name="finish-marking"]' : 'onClickFinishMarking'
    'click button[name="four-up"]'        : 'onClickFourUp'
    'click button[name="flicker"]'        : 'onClickFlicker'
    # 'click input[name="current-frame"]'   : 'onClickRadioButton'
    'change input[name="current-frame"]'  : 'onChangeFrameSlider'


    # @markingSurfaceList.enable()

  activateFrame: (@active) ->
    console.log "activating frame: " + @active
    @active = modulus +@active, @classification.subject.location.standard.length
    @showFrame(@active)

