On Sat, Apr 16, 2011 at 10:36 PM, vinod kumar <nani.kuni...@gmail.com> wrote: > Hi Markus Neteler, > > yes, importing pixel values with r.in ascii and patch into existing into > raster is simple easy for particular pixel, > but if we want to assign a height value to more pixels, for example > assigning height value to buildings in a > particular area in raster map is difficult as we don't no to which pixel > value we have to assign height value and > checking each pixel value is difficult.
Now I understand a bit more: so use r.mapcalc with an if() condition. Markus _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
