   addMarkToGraph: (e) =>
     return if @markingDisabled
     e.preventDefault()
-    if @marks.markTooCloseToAnotherMark(e, @scale, @originalMin)
-      classifier.notify 'Marks may not overlap!'
-      @shakeGraph()
-      return
+    # if @marks.markTooCloseToAnotherMark(e, @scale, @originalMin)
+    #   classifier.notify 'Marks may not overlap!'
+    #   @shakeGraph()
+    #   return
 
     # create new mark
     @mark = new Mark(e, @, @originalMin)

      if value <= @dataXMaxRel and value >= @dataXMinRel
        return true
    return false


  toCanvasXPoint: (e) -> e.pageX - @canvas.getBoundingClientRect().left - window.scrollX

    # @element.getElementsByClassName('.left-handle').fadeOut()
    # # @element.find('.right-handle').fadeOut()

    @element.style.left = parseFloat(@toCanvasXPoint(e)) + "px"
    @element.style.position = 'absolute'
    @element.style.top = e.target.offsetTop + "px"
    @element.style.height = (@canvas.height - 2) + 'px'
