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I have a WMS service created using GeoServer, and I need to get a legend with a transparent background. I used the 'GetLegendGraphic' request, but when there are multiple legend items, gaps appear between them. There are no gaps if I set parameter transparent to false. Is it possible to remove these gaps? I need to add this legend to my web application.

enter image description here

https://www.sopsr.sk/geoserver/sopsr/ows?layer=IG_vPROTECTEDSITES_VCHU&service=WMS&request=GetLegendGraphic&version=1.3.0&format=image%2Fpng&width=20&height=20&transparent=false

enter image description here

https://www.sopsr.sk/geoserver/sopsr/ows?layer=IG_vPROTECTEDSITES_VCHU&service=WMS&request=GetLegendGraphic&version=1.3.0&format=image%2Fpng&width=20&height=20&transparent=true

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That looks like a bug, feel free to put a report in.

As a work around may be you could just set the background colour to match your apps background:

&LEGEND_OPTIONS=bgColor:0xff0000

https://www.sopsr.sk/geoserver/sopsr/ows?layer=IG_vPROTECTEDSITES_VCHU&service=WMS&request=GetLegendGraphic&version=1.3.0&format=image%2Fpng&width=20&height=20&&LEGEND_OPTIONS=bgColor:0xff0000

enter image description here

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  • Thank you for your reply. bgColor is not supported by WMS services created in ArcGIS Server. In our application, we are using WMS services from various external sources.
    – Peter
    Commented Oct 15 at 13:36
  • that might be the problem with transparency too
    – Ian Turton
    Commented Oct 15 at 14:58

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