Lee Eddington wrote: > > I'd like to create vector lines from vector or raster point data. I have > > rasters of x and y wind components and have used r.mapcalc to compute the > > x and y values of the original raster grid points and the x and y values > > for displacements points due to the wind speed and direction. I'd like to > > take these x and y location values in these rasters and create vector > > lines that connect the original x,y grid points to the displacement > > points. I can create vector points with these values at the gird points > > using r.to.vect, but not sure how to create new vector lines with the > > info.
Nikos: > Does the m.cogo module help? See: > > http://grass.osgeo.org/grass64/manuals/m.cogo.html OR > http://grass.osgeo.org/grass70/manuals/m.cogo.html + something like the following perhaps: http://casoilresource.lawr.ucdavis.edu/drupal/node/989 N _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
