Ciao Christian, please, read below... ------------------------------------------------------- Eng. Simone Giannecchini GeoSolutions S.A.S. Owner - Software Engineer Via Carignoni 51 55041 Camaiore (LU) Italy
phone: +39 0584983027 fax: +39 0584983027 mob: +39 333 8128928 http://www.geo-solutions.it http://simboss.blogspot.com/ http://www.linkedin.com/in/simonegiannecchini ------------------------------------------------------- On Tue, Nov 11, 2008 at 8:43 AM, Christian Müller <[EMAIL PROTECTED]> wrote: > > 1) imageio-ext-gdal formats > > Does this plugin also support reading formats like png,jpeg, gif. I want to > use it as a native accelerator on a ppc architecture. (There is not native > support from java imageio on this platform). > Reading, png, jpeg and gif through gdal is not satisfactory in terms of performance. We could still try to optimize it through usage of external libjpeg or through using the intel jpeg lib but I am not sure it is worth the effort. For your information, we are thinking about including support for JMagick (Java bindings for imagemagick), which has nice performance for jpeg, and png. Of course including other libs is always an option. > 2) imageio-ext-gdal operations > Does this plugin support image operations from gdal (like reprojecting an > image) or is the focus only on encoding / decoding image formats. > The focus is encoding/decoding. We might open up a similar project soon for specific operations, but that's not 110% sure atm. > 3) I still have one problem on the imagemosaic-jdbc plugin. One test case > produces > > modules/plugin/imagemosaic-jdbc/target/h2/partialgreen.tif > > Then I do a reproject from EPSG:4326 to EPSG:31287 with > > Operations.DEFAULT.resample(coverage,crs) > > resulting in > > modules/plugin/imagemosaic-jdbc/target/h2/partialgreen_reprojected.tif > > The reprojection is ok, but I think I have to rectify this image and I have > no idea how. > I do not have the gt code at hand right now, I'll give it a try during the weekend and let you know. Btw, about you thesis, would you be interested in working on advanced tile caching mechanism, I have in mind something lilke distributed in memory caching + spatial db (like you are doing already). Another topic that I think would be worth pursuing is linear referencing and dynamic segmentation. Let me know what you think about this. Simone. > christian > > > > ------------------------------------------------------------------------- > This SF.Net email is sponsored by the Moblin Your Move Developer's challenge > Build the coolest Linux based applications with Moblin SDK & win great prizes > Grand prize is a trip for two to an Open Source event anywhere in the world > http://moblin-contest.org/redirect.php?banner_id=100&url=/ > _______________________________________________ > Geotools-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/geotools-devel > ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Geotools-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/geotools-devel
