Hi, you can try v.surf.rst as well
j Vincent Bain píše v Ne 15. 02. 2009 v 10:32 +0100: > Hello Adam, > hope I understood what you mean to do. If I had to cope with your > problem, I would import the source file as points, then run v.to.rast, > and r.surf.nnbathy with the "l" interpolation method. > The risk for this solution is the triangulation performed by > r.surf.nnbathy be different from your source TIN... > > Good luck, > Vincent. > > Le samedi 14 février 2009 à 16:42 -0800, Adam Dershowitz a écrit : > > I have some 3-d vector faces. They were defined in a text file like > > this: > > F 10 > > 1 2 1 > > 2 2 2 > > ... > > ... > > etc. > > > > I imported them into grass like this: > > v.in.ascii -zn input=faces.txt out=faces format=standard > > and all seems fine. > > > > I can see the faces, and if I click on points around the edges I can > > get a height as well. > > I can't figure out how to generate a raster DEM from these faces. > > Essentially I would like to know the approximate elevation at each > > raster point inside the faces. > > I tried v.to.rast but then I get "Column parameter missing" > > For v.to.rast3 I get "Unable to get layer info for vector map" > > I also tried v.extrude but I see all 0s (ie Number of areas: 0 etc.) > > > > Did I do something wrong on my import? Did I miss some other way to > > do the conversion? > > I want to be able to do some mapcalcs with the heights of an these > > faces compared to another raster map, but I can't figure out how to > > convert these faces to something that I can work with. > > > > Thanks much, > > > > --Adam > > > > > > > > _______________________________________________ > > grass-user mailing list > > [email protected] > > http://lists.osgeo.org/mailman/listinfo/grass-user > > > > _______________________________________________ > grass-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/grass-user -- Jachym Cepicky e-mail: jachym.cepicky gmail com URL: http://les-ejk.cz GPG: http://les-ejk.cz/pgp/JachymCepicky.pgp _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
