On Fri, Oct 21, 2011 at 11:02 AM, Andrea Aime <[email protected]> wrote: > On Fri, Oct 21, 2011 at 3:23 PM, Gabriel Roldan <[email protected]> wrote: >> I understand and yes, as I'm looking for support for tiles ovreall >> image size is going to be smaller. >> One thing I've read on those pages though is that the neuquant >> algorithm can use a pixel interleave other than 1, they recommend like >> 10. >> Not that I'm pushing for it, just may be worth mentioning. > > Yeah, I played with that a few times, it works if the image you're trying > to compress is raster, with little/no regularity. > But if you are trying to display a road network with roads crossing at a right > angle (very common in roman cities) there is a very good chance that the > sampling will make the code skip important values. > > When I first discovered neuquant I was all fired up and wanted to > include it in GeoServer right away, a deeper analysis of its shortcomings > and a weekend spent looking at the code made me change my mind ;-) > > That's why I'm now backing more pngquant, seems to have all the markings > for a real world solution that actually works (simple, efficient, good output)
excellent, thanks for sharing all these insights. Gabriel > > 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 > > 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 > > ------------------------------------------------------- > -- Gabriel Roldan OpenGeo - http://opengeo.org Expert service straight from the developers. ------------------------------------------------------------------------------ The demand for IT networking professionals continues to grow, and the demand for specialized networking skills is growing even more rapidly. Take a complimentary Learning@Cisco Self-Assessment and learn about Cisco certifications, training, and career opportunities. http://p.sf.net/sfu/cisco-dev2dev _______________________________________________ Geoserver-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/geoserver-devel
