Generate random colormap

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Versions

• Version 1 • Released on: 2018-12-17 13:56:22
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  Description:

  initial version

  importClass(Packages.icy.image.colormap.IcyColorMap)
  importClass(Packages.icy.util.Random)
  importClass(Packages.icy.util.ColorUtil)
  
  // get all opened view
  viewers = gui.getViewers()
  // get LUT (look up table) from current view
  lut = gui.getActiveLUT()
  
  // current view exist ?
  if (lut != null)
  {
  	// get LUT for first channel
  	lutCh = lut.getLutChannel(0)
  	// get colormap
  	colormap = lutCh.getColorMap()
  	// set colormap to RGB type
  	colormap.setType(IcyColorMap.IcyColorMapType.RGB)
  
  	// generate rainbow colormap with 256 entries
  	colors = ColorUtil.generateRainbow(256)
  
  	// set a random color for each entry of the colormap
  	for(i = 0; i < 256; i++)
  		colormap.setARGB(i, colors[Random.nextInt(256)])
  }