private function resetColormapByExtent():void{  var newCM:Array;  var rasterArgs:Object = {};    newCM =  new Array(   [0,97,21,13],   [10,99,25,14],   [20,102,28,15],   [30,105,30,16],   [40,107,36,18],   [50,110,38,19],   [60,112,42,20],   [70,115,47,22],   [80,117,50,23],   [90,120,54,25],   [100,122,57,27]);    rasterArgs["Colormap"] = newCM;    var rasterFunction:RasterFunction = new RasterFunction();  rasterFunction.arguments = rasterArgs;  rasterFunction.functionName = "Colormap";  imageLayer.renderingRule = rasterFunction; }Solved! Go to Solution.
