why not having the py script you mention as an option and active by default? Agus
El día 31 de marzo de 2012 13:12, Andrea Peri <[email protected]> escribió: >>One question: how to get a fast raster catalog in QGIS with a big number of >> rasters in it? (in this case 400 ecw) >> >>I am having trouble getting this to work... I tried a vrt catalog and qgis >> just hangs when I load it. >> >>Reducing the number of images makes it ok. >> >>Is this a know limitation of gdal/qgis? Is there another approach to >> catalogs (not mosaics)? > > > Hi to have a good working catalog VRT for qgis, you should do a prelimiary > operation. > Infact the gdal catalogs has not the statistics, and wgis try to calculate > it the stats, causing the slooowing when the raster are big. > To avoid this you can find how to do here. > > http://trac.osgeo.org/gdal/wiki/CatalogueForQIS > > > Regards, > > -- > ----------------- > Andrea Peri > . . . . . . . . . > qwerty àèìòù > ----------------- > > > _______________________________________________ > Qgis-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/qgis-user > _______________________________________________ Qgis-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-user
