This is Helena's answer: > Carlos, > > first point found at a given location is preserved and any consequent > points within distance smaller than dmin are ignored (the z-values are > not taken into account). I have done some experiments with 3D distance as > well if you need to take into account the z - it is very easy to change > that in the code but that would require adding a flag and I am not sure > that many users would need it. > If your data are contours, use v.generalize to "thin" the points first - > it speeds up the processing a lot and the results are much better - see > here: > http://skagit.meas.ncsu.edu/~helena/grasswork/interpgen.html > If you want to use mean value of your close points - the best approach is > through r.in.xyz - see the example in its man page > > Helena
cheers On Wed, May 28, 2008 at 5:19 AM, Markus Neteler <[EMAIL PROTECTED]> wrote: > Maybe best ask to Helena who is on the road and not subscribed > to this list AFAIK... > please post the answer then! > > markus > > On Tue, May 27, 2008 at 9:39 PM, Carlos Guâno Grohmann > <[EMAIL PROTECTED]> wrote: >> It just came to me: if I have a vector map to be interpolated by RST, >> how does the algorithm chooses between points that are very close to >> each other? >> And if I have more than one point with the same coordinates, but >> different values? >> >> thks all >> >> Carlos >> >> -- >> +-----------------------------------------------------------+ >> Carlos Henrique Grohmann - Guano >> Geologist M.Sc - Doctorate Student at IGc-USP - Brazil >> Linux User #89721 - carlos dot grohmann at gmail dot com >> +-----------------------------------------------------------+ >> _________________ >> "Good morning, doctors. I have taken the liberty of removing Windows >> 95 from my hard drive." >> --The winning entry in a "What were HAL's first words" contest judged >> by 2001: A SPACE ODYSSEY creator Arthur C. Clarke >> >> Can't stop the signal. >> _______________________________________________ >> grass-user mailing list >> grass-user@lists.osgeo.org >> http://lists.osgeo.org/mailman/listinfo/grass-user >> > > > > -- > Open Source Geospatial Foundation > http://www.osgeo.org/ > http://www.grassbook.org/ > -- +-----------------------------------------------------------+ Carlos Henrique Grohmann - Guano Geologist M.Sc - Doctorate Student at IGc-USP - Brazil Linux User #89721 - carlos dot grohmann at gmail dot com +-----------------------------------------------------------+ _________________ "Good morning, doctors. I have taken the liberty of removing Windows 95 from my hard drive." --The winning entry in a "What were HAL's first words" contest judged by 2001: A SPACE ODYSSEY creator Arthur C. Clarke Can't stop the signal. _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user