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Setting the imageParameters format to JPEG displays the layer transparency.

Last Published: November 11, 2015 ArcGIS for Server
Bug ID Number BUG-000091276
SubmittedOctober 8, 2015
Last ModifiedJuly 28, 2020
Applies toArcGIS for Server
Version found10.3.1
Operating SystemWindows

Additional Information

There was a typo in format. Users must use JPG instead of JPEG.


The recommended format for transparency is to use PNG32. PNG32 is a format for more than 256 color and also allows full preservation of the map's transparent features in the output image.

Steps to Reproduce

Bug ID: BUG-000091276


  • ArcGIS for Server

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