sophia parafina ha scritto: > What happens if you have 2 or more coverages in the map context?
In general, the others would be drawn with the current method, that incurs in a scalability issue (synchronization deep in the java2d libraries). However, my guess is that at most you'll end up piling a group of coverages at the bottom of the map context, and add all of the vector layers on top of it. If it is so, we could have the code loop over the layers bottom to top and try to use an optimized path as long as the next layer is still a coverage. I guess, but I'm not sure, that we can perform some fast JAI image composition without going down in java2d as long as we just need to merge together coverages. Out of curiosity, what is the common case of mixing multiple coverages in a single result? One that comes to mind for me is depicting a DEM using a colormap driven base layer and a aspect layer that is drawn on top of it, grayscale with partial transparency, to provide the illusion of shadows 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
