How to publish WMS service with transparency?

GerardMartin — Wed, 21 Dec 2022 10:04:51 GMT

Hi folks,

I am using ArcGIS Pro 2.8.2 to publish a Mosaic Dataset to display as a WMS service with ArcGIS Enterprise 10.8. This Mosaic Dataset is composed by RGB images with Alpha channel, they are orthophotos.

In ArcGIS Pro, we can see this Mosaic Dataset showing transparency in some areas (I have assigned Band 4 = Alpha channel):

But WMS service does not preserve the transparency, as you can see in Enterprise:

It also does not preserve transparency in case of calling the service on the command line in a web browser:

https://.../MDS_ortho/ImageServer/WMSServer?
service=wms&request=GetMap&WIDTH=2024&HEIGHT=1080&FORMAT=image/png&LAYERS=MDS_ortho&BGCOLOR=0x000000&TRANSPARENT=TRUE&VERSION=1.3.0&CRS=EPSG:25831&BBOX=332734.00,4544700.00,340100.00,4551000.00

Also, we have the same result when we consume this WMS service in ArcGIS Pro.

How must be publish this WMS service in order to preserve transparency?

Best regards, G.

topic How to publish WMS service with transparency? in ArcGIS Pro Questions

How to publish WMS service with transparency?