Well its about time, where was this idea before, I have been having a tough time with GWC
On Tue, Dec 22, 2009 at 7:33 PM, sophia parafina <[email protected]>wrote: > What happens if you have 2 or more coverages in the map context? > > sophia > > > On Tue, Dec 22, 2009 at 8:07 AM, Andrea Aime <[email protected]> wrote: > >> Hi, >> I was thinking about the idea of having a custom rendering >> path for the raster images. >> >> Having a separate path would sure provide a speedup, but I >> was thinking that we can probably get a more general speedup >> by integrating it into the main chain instead. >> >> The idea is as follows: >> - if the map context contains a coverage as the first layer, >> remove it from the context and render it with the fast >> path. We end up with a RenderedImage, which is also the >> final result if we don't need to draw anything else. >> - if the map context contains more layers, or if we need >> to apply a layout, we take the RenderedImage, turn it >> into a BufferedImage by creating a writable raster out >> of the RendereredImage (just like it's done in the >> workaround for the JPEG native image writer not working >> with translated images), and from there we go and >> do business as usual >> >> This should still provide a speedup, but it is of more general >> application and should speed up also the common case of >> multilayer map with a raster layer in the background >> >> What do you think, would it work? >> >> Cheers >> Andrea >> >> -- >> Andrea Aime >> OpenGeo - http://opengeo.org >> Expert service straight from the developers. >> >> >> ------------------------------------------------------------------------------ >> This SF.Net email is sponsored by the Verizon Developer Community >> Take advantage of Verizon's best-in-class app development support >> A streamlined, 14 day to market process makes app distribution fast and >> easy >> Join now and get one step closer to millions of Verizon customers >> http://p.sf.net/sfu/verizon-dev2dev >> _______________________________________________ >> Geoserver-devel mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/geoserver-devel >> > > > > ------------------------------------------------------------------------------ > This SF.Net email is sponsored by the Verizon Developer Community > Take advantage of Verizon's best-in-class app development support > A streamlined, 14 day to market process makes app distribution fast and > easy > Join now and get one step closer to millions of Verizon customers > http://p.sf.net/sfu/verizon-dev2dev > _______________________________________________ > Geoserver-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/geoserver-devel > > -- I.R
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