Hi
I guess there are several ways to do this.What comes to my mind is to
specify all background colors with an alpha component.
So, if create a new style based on bing for instance with 50 %
transparency on all background polygon colors. Add 'land_clr':
'"#E8E6E180"' instead of 'land_clr': '"#E8E6E1"' where the “80” is 50 %
transparency in hex. Then that color should be part of your new style.
Then you must have an OUTPUTFORMAT that is rendering with alpha
transparency (RGBA)
I haven’t tried this, but it should work.
Have fun / Lars Schylberg
Den 2019-12-13 kl. 13:46, skrev Johannes Paul:
Hello,
Playing with the basemaps project along with osm database, I was
wondering how the generate_style.py file shall be modify in order to
get a mapfile producing osm based raster with a transparent background ?
Thanks for tour help.
Jo
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