On Wednesday 11 February 2009, MORREALE Jean Roc wrote: > Hamish a écrit : > > Kurt Springs wrote: > >> Does anyone know how to do Thiessen Polygons in GRASS? > >> > >> I need to use them around various types of megalithic tomb > >> sites that are in point vector files. > > > > v.voronoi > > > > > > there is some replacement test code to look at in grass-addons as well: > > http://trac.osgeo.org/grass/browser/grass-addons/vector/voronoi > > While we are on this topic, is there a way to get a weigthed voronoi > diagram using grass ? > > The ability to rank a point to tune the area's influence would be great, > for that purpose I've been using an arcgis'extension* but with grass it > is not possible**. Is there a way to get a similar result ? > > *http://www.geog.unt.edu/~pdong/software.htm > **http://osdir.com/ml/gis.grass.user/2004-04/msg00036.html > > Regards, > MORREALE Jean Roc
What exactly is a 'weighted voronoi diagram' (the link does not work)? If you are after a weighted network connecting points, here is one approach: http://casoilresource.lawr.ucdavis.edu/drupal/node/698 Dylan -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user