Selon Saâd HESSANE <[email protected]>: > Thank's Even. >
For the PamProxy, the best doc is probably to study the corresponding test in the autotest suite : http://trac.osgeo.org/gdal/browser/trunk/autotest/gcore/pamproxydb.py Basically, it seems you just have to define the GDAL_PAM_PROXY_DIR environmenet variable and then the .ovr files should be read from/written into it. > 2012/7/12 Even Rouault <[email protected]> > > > Selon SaÄd HESSANE <[email protected]>: > > > > > Hi list, > > > > > > I'm workig on a Mapserver/GDAL application, and I have to setup the > > > datasource (create tileindex and overviews) to boost the performance. > > > > > > I have two question : > > > > > > 1. Can I store overviews in a different path than the original raster > > > path? The original path can be in a read only folder like an optical > > disc. > > > > This should be possible by using the GDAL PamProxy mechanism, but I'ma > > afraid > > this is very lightly documented. See > > http://trac.osgeo.org/gdal/ticket/2432 for > > some elements. > > > > > 2. Can I build overviews of an entire VRT tile index ? > > > > gdaladdo on a VRT should work. > > > > > > > > Thank you. > > > > > > > > > > _______________________________________________ gdal-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/gdal-dev
