   dimension: 440
   bands:  ['u', 'g', 'r', 'i', 'z']
   source: 'http://spacewarps.org.s3.amazonaws.com/subjects/raw/'
-  
-  # Default parameters
-  defaultAlpha: 0.09
-  defaultQ: 1.0
-  defaultScales: [0.4, 0.6, 1.7]
   
   
   events:

    @wfits = new astro.WebFITS(@el, @dimension)
    unless @wfits.ctx?
      alert 'Something went wrong initializing the context'
    
    # Load offsets if they exists
    @wfits.xOffset = @opts.xOffset or @wfits.xOffset

    @wfits?.setScales.apply(@wfits, @opts.scales) if @ready
  
  updateStretch: =>
    @wfits?.setStretch(@opts.stretch) if @ready

  updateExtent: =>
    @wfits?.setExtent(@opts.extent.min, @opts.extent.max) if @ready
