On Fri, Oct 17, 2008 at 04:07:16AM -0700, spillocaster wrote:
>
> Hi list,
>
> I have defined a very nice map with MapNik, which I provide with TileCache.
> I used a XML-configuration (based on the
> http://trac.mapnik.org/wiki/XMLGettingStarted XMLGettingStarted-Tutorial ).
>
> Now I want to change the output format to a paletted PNG with alpha
> transparency using the 'PNG256'-parameter. The filesize of the 32bit PNG is
> a bit too big. Where do I have to define it? In the python script, in the
> XML or in TileCache?
In TileCache; and the answer to "What should I change" is "You can't":
TileCache doesn't have support for this at this time. (Or rather, "You'd
need to write a patch.")
> I tried this:
>
> render_to_file(m, map_output,'png256')
>
> and I added this:
>
> m.save('test.png','png256')
>
> to the python script, but no success.
It's note clear to me what Python script you're changing that you think
will have an effect on TileCache...
> Is it also possible to switch the
> renderer from AGG to CAIRO? I also want to experiment with the vector output
> formats.
Not within TileCache...
Regards,
--
Christopher Schmidt
MetaCarta
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