Hi all, On Jun 28, 2011, at 10:13 PM, Goyo <[email protected]> wrote: > You can try gdaldem: http://www.gdal.org/gdaldem.html. You'll have to > use the command line since it's not in the qgis raster plugin yet.
wrong, it was implemented yet. You can find it in GdalTools plugin since QGis 1.7, run Raster -> GdalDem. You should be able to run it in QGis < 1.7, just enable experimental plugins and update your GdalTools plugin. Cheers > I personally feel quite uncomfortable and experiment performance > issues working with large rasters so this is what I do: > > - Keep my raster files small. I get almost all my DEMs from a WCS in > 1000x1000 px tiles and convert them to 16 bit integers (they are 32 > bits float originally but no DEM has so much precision). > > - Generate seperate hillshades for each DEM. The shaded relief plugin > is very convenient and has the advantage of generating 128 bit > rasters. > > - Avoid loading lots of rasters in a qgis project. Better combine them > using VRT. I use it to combine dozens of DEMs when I need to cover > larger regions in a single project with very good results. > > Goyo > _______________________________________________ > Qgis-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/qgis-user -- Giuseppe Sucameli_______________________________________________ Qgis-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-user
