v.mkgrid gives exactly what I needed. Thanks Hamish! BUT:) It takes though some "manual" work to set the corner of grid to the right place (I need that my points accord with the centroids of neighbourhood). It requiers only a little bit computing with the coordinates. Martin
HamishB wrote: > > Martin Besta wrote: >> I tried to make rectangular neighbourhood for points in regular grid >> with v.voronoi. I need for each point his rectangular neighbourhood >> 300x300m (distance between points is 300m). But v.voronoi has made >> this square only for some of them. This is result >> http://best.krajinari.com/voronoi.png. >> v.info gives folloving information for both layer (points and voronoi >> polygons): >> >> points: >> Number of points: 7873 >> polygons: >> Number of centroids:7873 >> Number of areas:2619 >> >> For my work is circle sufficient too, but square would be the best >> solution. I tried also other possibilities as buffer (only circle and >> all neighbourhood as one polygon), v.neighbors gives me also circle >> neighbourhood in raster (which I need as sampling area in r.le, or >> r.li ) but each cell has only 1 as value. I need for every >> neighborhood unique value. > > > how about v.mkgrid + v.select or v.overlay? > > > Hamish > > _______________________________________________ > grassuser mailing list > [email protected] > http://grass.itc.it/mailman/listinfo/grassuser > > -- View this message in context: http://www.nabble.com/Rectangle-as-neighbourhood-to-point-tf4273088.html#a12213616 Sent from the Grass - Users mailing list archive at Nabble.com. _______________________________________________ grassuser mailing list [email protected] http://grass.itc.it/mailman/listinfo/grassuser
