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How to average two rasters in ArcGIS JS API?

Question asked by liangcun on Dec 12, 2016
Latest reply on Dec 13, 2016 by liangcun

Hello all,


I have two raster datasets (in arcgis image server) and I need to get an average of the two represented as one raster layer.  It can be easily achieved in ArcMap by "Spatial Analyst-->Map Algebra-->Raster Calculator" using "(Float(raster1) + Float(raster2))/2". And ArcPy can also do this using module. I am wondering if it can be done in ArcGIS JavaScript API (Version 3.18).


It seems that the 'Local' function in Class: RasterFunction can do this, but I don‘t know how to do it. Any help please.