On Tue, Jun 9, 2009 at 6:50 AM, Donald Catanzaro, PhD<[email protected]> wrote: > Hi All, > > I am returning to GRASS after a 10 year hiatus and I must say that I am > impressed !
Welcome back :) > I am working on some simple network analysis (road distances from a point) > and want the output to appear as concentric rings. I think I need to use > v.net.iso on my road network but it appears from the manual that the output > from v.net.iso is a line file. I'd like to push that out to a polygon to > get concentric rings so it looks like I need a few more processing steps. > Like I said, it has been a long while since my GRASS4.0/4.1 days - what > would people suggest using to push the output of v.net.iso out to a polygon > ? v.surf.idw, v.surf.icw, v.hull ? Aren't these all point interpolations > and I need to interpolate from lines ? Wild guess: connect points with identical attribute? Markus _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
