[OSM-dev] Tirex and python rendering backend
Philipp Borgers
borgers at mi.fu-berlin.de
Tue Aug 9 23:58:11 BST 2011
On Tue, 2011-08-09 at 01:56 -0700, NopMap wrote:
> Hi!
>
> My server is using tirex and a fairly standard mapnik rendering backend to
> create map tiles. There are also tiles with elevation contour lines which
> are pre-rendered offline and uploaded. Not exactly state of the art.
>
> I would like to put tirex in control of rendering those contours also.
> Naturally, they will never expire, but this would make nice hill shading and
> contours available for all zoom levels, not just those where pre-rendering
> is feasible. However, the contour tiles cannot be created by mapnik directly
> as they need certain alpha channel techniques that mapnik does not provide.
> The rendering in this case is done by a python script with mapnik binding
> and PIL postprocessing.
>
> Is it possible to connect tirex to a python rendering backend?
> Has anybody experience with this?
> How would the skeleton of such a python script need to look like?
Perhaps you can take a look at the code
http://svn.openstreetmap.org/applications/utils/tirex/lib/Tirex/Backend/Test.pm
I would argue it's possible :)
>
> bye
> Nop
>
>
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