PointStacker currently doesn't support an equivalent of GROUP BY (i.e,
aggregating by one or more attributes). That's a nice enhancement to think
about!
You could always specify a layer for each attribute you want to depict, and
PointStack each of them. But If there really are issues with data access
performance this might not improve the rendering speed.
Another thing you could try is to grid/aggregate the points on the server
side, via a clever SQL query.
It would be nice to see the timings for the same data supplied as a
shapefile, to try and isolate what is causing the performance issue.
Martin
On Fri, Aug 17, 2012 at 9:22 PM, cheesybiscuits
<[email protected]>wrote:
> Martin I really appreciate your suggestion on PointStacker. Unfortunately I
> can't try it until Monday now. The page didn't specify if you could
> aggregate conditionally (e.g. group by) which would be really useful,
> because then features could retain the right symbology. It seems like it
> was
> designed for symbolising counts more than anything. However it will
> definitely help me narrow down the problem.
>
>
>
>
>
> --
> View this message in context:
> http://osgeo-org.1560.n6.nabble.com/5-seconds-to-render-130-000-points-typical-GeoServer-WMS-performance-tp4995984p4996058.html
> Sent from the GeoServer - User mailing list archive at Nabble.com.
>
>
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--
Martin Davis
OpenGeo - http://opengeo.org
Expert service straight from the developers.
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