Qcuik questions: - are you adding a reprojection in the mix while you are doing this tests? - are all your granules of the same resolution?
Simone. ------------------------------------------------------- Ing. Simone Giannecchini GeoSolutions S.A.S. Founder - 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://geo-solutions.blogspot.com/ http://www.linkedin.com/in/simonegiannecchini http://twitter.com/simogeo ------------------------------------------------------- On Tue, Mar 16, 2010 at 1:13 PM, Stephen Mather <s...@clevelandmetroparks.com> wrote: > > Hi Andrea, > I've been working on giving it a spin with our own data. The tutorial > is excellent. Easy to read and follow. > I'm currently testing it on a Windows 2003 server with nightly build > geoserver-2.0.x-2010-03-03-bin.zip, and > geoserver-2.0.2-SNAPSHOT-pyramid-plugin.zip > The test I've been doing is with 0.5ft (0.15m) color orthophotos that > sum to about 150GB as TIFFs. They are currently tiled as 5000x4000 images. > I've retiled them with gdal_retile as 2048x2048 images with overviews with > the following command: > > gdal_retile -v -s_srs "EPSG:102722" -levels 5 -ps 2048 2048 -targetdir test3 > --optfile tilelist.txt > > I'm currently working on a subset of the data for testing. > Checking all the tiles generated from gdal_retile, they all look fine in an > image viewer, and check out (with a spot check) with gdalinfo. > > When I load them in GeoServer, I get a strange effect. Some of the tiles > never render at their full resolution for a given zoom level, but at a > reduced resolution. If I load ~16 tiles vs. loading e.g. 40+ tiles the > places where this happens shifts, i.e. tiles that were a problem before stop > being a problem, while other tiles exhibit the same behavior. > > Does this make sense, is this an effect you've seen, and would images and > log files be helpful? > > Thanks, > Steve > > > > Andrea Aime-4 wrote: >> >> Hi all, >> lately I've been working, under OpenGeo request, to improve >> the situation vs image pyramids, in particular, making it >> easier to configure a file based one. >> >> ... >> >> Is anyone interested to give the tutorial a spin, a review? >> Is there anything missing or that could be done better? >> >> Cheers >> Andrea >> >> -- >> Andrea Aime >> OpenGeo - http://opengeo.org >> Expert service straight from the developers. >> >> ------------------------------------------------------------------------------ >> SOLARIS 10 is the OS for Data Centers - provides features such as DTrace, >> Predictive Self Healing and Award Winning ZFS. Get Solaris 10 NOW >> http://p.sf.net/sfu/solaris-dev2dev >> _______________________________________________ >> Geoserver-devel mailing list >> Geoserver-devel@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/geoserver-devel >> >> > > -- > View this message in context: > http://old.nabble.com/Image-pyramid-improvements-and-tutorial-tp27608654p27910740.html > Sent from the GeoServer - Dev mailing list archive at Nabble.com. > > > ------------------------------------------------------------------------------ > Download Intel® Parallel Studio Eval > Try the new software tools for yourself. Speed compiling, find bugs > proactively, and fine-tune applications for parallel performance. > See why Intel Parallel Studio got high marks during beta. > http://p.sf.net/sfu/intel-sw-dev > _______________________________________________ > Geoserver-devel mailing list > Geoserver-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/geoserver-devel > ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Geoserver-devel mailing list Geoserver-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/geoserver-devel
