[Tilecache] Multiple WMS servers

Tibor Arpas tibor at infinit.sk
Thu Apr 9 11:42:57 EDT 2009


Hi,

we were able to merge GDAL and WMS layer using your approach (third layer)
with no problem. But we only used tilecache_seed.py for the third layer
(against a different server instance). I didn't try to use on the fly
serving of the third layer because of the loop-back :-). But shouldn't the
loop back work also OK if you can restrict the external concurrent requests
to one third of what the tilecache instance can handle? (Each external
request can generate up to two child request towards the same instance.) I
guess it also depends on your deployment. What's your deployment
(standalone/mod_python)? And what's the behavior/error messages?

Tibor






2009/4/6 Gissur Þórhallsson <gissur at loftmyndir.is>

> Hi guys,
> I'm wondering whether anybody had tackled having multiple WMS servers as
> sources for a single tilecache layer?
>
> I have two WM servers (one for raster data and another for vector data)
> which I want to merge into a single tilecache layer. I thought about
> creating a different tc layer for each and then creating a third one that
> uses the other two as sources(making the poor tilecache loop-back on
> itself), but I can't get it working.
>
> Does anybody have any ideas I could try?
>
> Kind regards from Iceland,
> Gissur Þórhallsson
>
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