[MapProxy] Tiles partly black instead of transparent
Gerald Kogler
geraldo at servus.at
Tue May 29 02:31:21 PDT 2018
Finally solved the issue. Seems to be the same problem with an old
version of Pillow described before. I forgot to reboot the server so...
Update to latest version did the trick:
pip install Pillow==5.1.0
On 02/05/18 11:28, Gerald Kogler wrote:
> I'm facing an issue with WMS tiles produced by QGIS. At zoom level 20
> MapProxy fills empty parts of layers in black. This happens for certain
> geometries, mostly polygons where I only show a stroke but an empty
> fill. Here you can see a capture: https://i.stack.imgur.com/BNnkO.png
>
> It seems to be a problem with transparencies as the parts with content
> are white instead of transparent. Here the essential part of the
> configuration:
>
> sources:
> test_wms:
> type: wms
> req:
> url: http://qgis-server.com/service?
> layers: Test WMS
> transparent: true
>
> You can check it live here, the described behaviour happens on the
> highest zoom level: http://mapa.psig.es/ssa/
>
> I already updated Pillow to the last version as recommended in another
> thread, but without success.
>
> Any hints?
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