Hi Utility Network,
We are encountering some odd behaviour with the network diagram service not returning the correct symbology when using the Export operation on a Diagram Map resource. https://developers.arcgis.com/rest/services-reference/enterprise/export-network-diagram-service-.htm
As shown in the image below, many of the symbols for features in the map are showing as white circles, or even the incorrect value from their unique value renderer.
We have followed the guidance here Apply Map Symbols to Diagrams and the symbols are correct when viewing diagrams within ArcGIS Pro (though this does not use the same export method on the diagram map resource). This makes us believe that the rendering information is correctly there…
Are we missing some config for the export operation to work correctly? We have a simple web app which requires the map service export tiles.
