http://download.osgeo.org/livedvd/15/ol15-desk-g07g-salogoF8.png

http://download.osgeo.org/livedvd/15/ol15-desk-g07g-salogoF82.png

   * export to PNG8

   * remove transparency on base layer


On 7/17/22 09:26, edgar.sol...@web.de wrote:
just added a modified version with a darkened left half (without alpha channel). please consider and comment in the PR https://github.com/OSGeo/OSGeoLive/pull/335

sunny regards ..ede

On 17.07.2022 17:21, Brian M Hamlin wrote:
Desktop Art people -

   the last nightly build from Athens included desktop artwork, but the result is low-contrast. An experiment with the alternate desktop also showed problems with contrast.

   The 22.04 desktop base might be sensitive to alpha channel in the PNG file.  I removed the alpha channel locally using

    $ convert OSGeoLive/desktop-conf/osgeo-desktop.png -alpha off out.png

you can test any PNG file in the terminal with the $file command and look for  RGBA  or RGB  format. Also we can continue to change the artwork itself to find a visual solution.

    this is a blocker for the beta1 build, so feedback and solutions are welcome.

    best regards from Berkeley, Calif.   --Brian M Hamlin    / MAPLABS /  OSGeoLive PSC




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