Thank's Even. 2012/7/12 Even Rouault <[email protected]>
> Selon Saād 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. > > > > >
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