On Tue, 2008-03-18 at 23:18 -0700, Hamish wrote: > Glynn: > > If you have a "sparse" set of points, import them as a vector map then > > use v.surf.rst. I'm not sure if r.fillnulls[1] handles sparse maps > > (islands of individual cells), or whether it's limited to filling > > small "holes" in mostly-filled maps. > > > > [1] r.fillnulls is a script which uses v.surf.rst for the > > interpolation. > > > r.fillnulls is intended to to fill small "holes" in mostly-filled maps. > It creates points from a few cell buffer around each hole then > interpolates across the gap.
It's clear now. I think a bit more reading before posting doesn't hurt. > > > The r.in.xyz help page has some tips on making a surface from input > points. For less than a million or three input points v.in.ascii + > v.surf.rst is probably the better way, unless you want to use r.in.xyz as > a statistical noise filter. Any infomation somewhere about "filtering" noise with r.in.xyz? > > r.surf.* modules could work too, to various levels of worseness versus > what v.surf.rst can do. > > > Hamish > > > > > ____________________________________________________________________________________ > Be a better friend, newshound, and > know-it-all with Yahoo! Mobile. Try it now. > http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ > _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
