This might be useful: http://casoilresource.lawr.ucdavis.edu/drupal/node/375
Cheers, Dylan On Thursday 15 July 2010, John Callahan wrote: > Hopefully a quick question that I'm struggling with. (I'm a long-time GIS > user but trying to move my work to GRASS and other FOSS4G.) I'm using > GRASS 6.4 RC6 on Windows XP. > > I have a raster grid representing elevation at 2meter resolution. I have a > line shapefile representing roads (about 20 roads total). I would like to > get ASCII text files of x,y,z at about 1 or 2 meter intervals along each > road. Any ides of what I can try? > > I thought v.drape might work. This converts my 2D road shapefile to 3D, but > I'm not sure where to go from there. And this doesn't help getting 1 or 2 > meter intervals. I also tried r.profile but this requires input as a > listing of x,y coordinates, not shapefiles. I know there's a step here I'm > missing. > > - John > > ************************************************** > John Callahan, Geographic Information Scientist > Delaware Geological Survey, University of Delaware > URL: http://www.dgs.udel.edu > ************************************************** -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
