On Sat, Mar 26, 2011 at 9:13 AM, Luca Morandini <lmorand...@ieee.org> wrote: > Oops, it appears I made a sily question... actually, I failed to notice the > <<pipe > a process (yes, a WPS one) inside the SLD>> sentence, which means it is *very* > pluggable. > > This mechanism takes the separation of content from presentation to a new > level, > which I like immensely... but I cannot help thinking that, performance-wise, > the > WPS overhead needed for every GetMap call is not very reassuring. > > Anyway, you're the expert on GS performance here.
Indeed the processes you've seen have been fine tuned to work at best performance, you cannot take a random WPS process and pretend it will be worthy of usage in a on the fly rendering transformation. Then again, you have a choice: - preprocess the data, taking the extra effort of orchestrating the data ingestion, transformation in the various representations needed, publishing of the various layers in GS with styles and all, and long term storage of that somewhat redundant data or - on the fly transformation, which also allows you to pass dynamically the transformation params from the client (see sld param substitution, another custom GS extension), where you just register one layer, and you have to be very careful at optimizing the transformation processes For the specific case we developed this feature for the choice was a no brainer, when you have 100k layers and the viewer wants to specify the isoline levels inside the client, for that specific session only, the first approach just does not really work well Cheers Andrea -- ------------------------------------------------------- Ing. Andrea Aime GeoSolutions S.A.S. Tech lead Via Poggio alle Viti 1187 55054 Massarosa (LU) Italy phone: +39 0584 962313 fax: +39 0584 962313 mob: +39 333 8128928 http://www.geo-solutions.it http://geo-solutions.blogspot.com/ http://www.youtube.com/user/GeoSolutionsIT http://www.linkedin.com/in/andreaaime http://twitter.com/geowolf ------------------------------------------------------- ------------------------------------------------------------------------------ Enable your software for Intel(R) Active Management Technology to meet the growing manageability and security demands of your customers. Businesses are taking advantage of Intel(R) vPro (TM) technology - will your software be a part of the solution? Download the Intel(R) Manageability Checker today! http://p.sf.net/sfu/intel-dev2devmar _______________________________________________ Geoserver-users mailing list Geoserver-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/geoserver-users
