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Can JavaScript API 4 Identify Raster Layer Attribute?

Question asked by dchiang on Mar 26, 2018
Latest reply on Mar 28, 2018 by dchiang

We have raster layers under dynamic map services published on ArcGIS Server 10.5. 


Using JSAPI 3, you can identify cell attributes from the raster layers (return Pixel Value, COUNT, etc.).


Using JSAPI 4 (tested by modifying this sample - IdentifyTask | ArcGIS API for JavaScript 4.6 to point to our own ArcGIS Server map service with raster layers), the identify task returns IDRESULTS: [{}]


Does Esri intend to support identify function on raster layer with JS API  in the future, and what is the alternative or current workaround?