     # draw again - overlays
     for i in [start.. @model.length - 1] by 1
       continue if @model.at(i).get('hidden')
-      @drawSeqExtended {model: @model.at(i), y: y}
+      @drawSeqExtended model: @model.at(i), y: y
       y = y + rectHeight
       # out of viewport - stop
       if y > @el.height

      if color?
        @ctx.fillStyle = color
        @ctx.fillRect x,y,rectWidth,rectHeight
        #@ctx.strokeText c,x + 3,y + 12,rectWidth
        @ctx.drawImage @cache.getFontTile(letter:c, width:rectWidth, height:
          rectHeight), x, y,rectWidth,rectHeight


    [mPrevSel,mNextSel] = @_getPrevNextSelection data.model
    features = data.model.get "features"

    yZero = data.y

    for j in [start.. seq.length - 1] by 1
      starts = features.startOn j
