The code GWC uses to chop up metatiles into individual tiles is pretty 
trivial (see [1], createTile() and writeTileToStream() below).

Will that process kill the optimization done by GeoServer, or does the 
palette survive ? In the current 8 bit PNG case it appears to survive, 
afaict.

-Arne

1: 
http://geowebcache.org/trac/browser/trunk/geowebcache/src/main/java/org/geowebcache/layer/wms/WMSMetaTile.java#L142


Chris Holmes wrote:
> Good to see this deal hatched ;)
>
> I think it'll be an increasingly popular use case, especially as we 
> figure out how to get GeoServer rendering tiles on EC2 and other 
> clusters.  Users will want to optimize for the smallest tiles over the 
> fastest processing.  We'll make people happy if we give them control 
> over optimizing for speed of response and file size, instead of 
> pre-setting what we think is the best (though of course that should be 
> the default).
>
> Might be interesting to have GWC use a different quantization default 
> from GeoServer too, since we already know the use case when people are 
> using it.
>
> Chris
>
> On Fri, Nov 14, 2008 at 4:20 AM, Andrea Aime <[EMAIL PROTECTED] 
> <mailto:[EMAIL PROTECTED]>> wrote:
>
>     Simone Giannecchini ha scritto:
>     > Ciao Andrea,
>     > you are perfectly right, I did not think about this use case.
>     > We can do this, I can resurrect my tests again, but if we then
>     want to
>     > make the quantization algorithm pluggable, I'd need your help
>     for the
>     > integration.
>     > Do we have a deal?
>
>     Deal :)
>     Cheers
>     Andrea
>
>     --
>     Andrea Aime
>     OpenGeo - http://opengeo.org
>     Expert service straight from the developers.
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-- 
Arne Kepp
OpenGeo - http://opengeo.org
Expert service straight from the developers


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