Hi, Try build a tileindex : http://www.gdal.org/gdaltindex.html It's really useful with big tiled dataset.
Best regards. 2012/4/30 Andrea Peri <[email protected]> > Hi, > I have a huge set of tiffs rasters. > Any single tiff is a geotiff tiled (256x256) and as an internal overview. > > To can use this raster dataset to lower scales (full extension) I need to > create a single simplified tiff raster of all this dataset. > Now I need to create a single simplified tiff raster . > > I don't know how is the better way to produce this simplified raster. > This because the original huge set of rasters are about 2 TB. Every raster > is about 15000 x 15000 px. > > SO I start creating a catalog named "cat_fogli.vrt" using gdalbuildvrt. > And after this was create, I tryed to produce an external overview of this > catalog. > using this command: > > gdaladdo -r average -ro --config BIGTIFF_OVERVIEW YES cat_fogli.vrt 256 > 512 1024 2048 4096 > > Unfortunately gdaladdo seem to be lock. It is take really many time and is > always on 0%. > > I don't know if is only a bug time due to the huge size of original raster > dataset or I'm using the wrong way. > > Thx, > > -- > ----------------- > Andrea Peri > . . . . . . . . . > qwerty àèìòù > ----------------- > > > _______________________________________________ > gdal-dev mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/gdal-dev >
_______________________________________________ gdal-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/gdal-dev
