Hi!
I am creating my tiles with a semi-transparent background and polygons
(but with solid streets and pois) in order to superimpose them on a
hillshading layer. Currently I am achieving this by rendering with
bgcolor="transparent" and compositing the result on a semi-transparent
gray image in python PIL.
Now I am trying to switch to on-demand rendering on the server with
renderd, where the mapnik calls are hardcoded in renderd and only the
style file is easily changed.
Is there a way to get a semi-transparent background directly from mapnik?
Or is there a way to render with a transparent background but define a
layer that draws a semi-transparent object over everything without
having geometry for that in the DB?
thanks
Nop
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