Thanks as the same Daniel.
2013/10/25 Daniel Victoria <[email protected]> > Hi all, > > A while ago I had to do a similar task for Lidar analysis.... So I > made a quick python program for it. The only problem is that it spits > out boxes and not nice round shapes. The code will create both GRASS > ASCII vector format or a csv file that can be used to subset las data. > Also, since I created the program specifically for our needs, the > column numbers are fixed. > > Anyway, the code is attached. Hope it helps. > > Cheers > Daniel > > PS1 - I'm no professional coder so I'm certain there are flaws and > leftover lines in the code. But it worked for me... > PS2 - I have another version that will generate a shapefile with > ellipses as crowns but the code is too messy. I'd like to make it more > presentable before releasing it but, if you can stomach poorly writen > python, just let me know... > > > On Fri, Oct 25, 2013 at 8:33 AM, Nikos Alexandris > <[email protected]> wrote: > > On Friday 25 of October 2013 07:56:32 Matteo Mura wrote: > >> Dear all, > >> > >> I have a vector-points file containing the points of trees location in > a 100 > >> x 100 square, it is a permanent plot. The database of this vector > contains > >> for each sampled tree the crown projection for each direction > (N-S-E-W). I > >> need to convert the points to polygons which shape and size is > determined > >> by the crown projection measures. In other therms I would like to have > the > >> polygon file which describe the tree crown shape and dimension. > >> > >> Is it possible to do in GRASS? If yes, how can I? > > > > Not a reply, just a comment: this is a very nice question! If this gets a > > smart solution consider posting it at GIS@SE. GRASS GIS deserves/needs > to > > attract more points over there. > > > > Nikos > > _______________________________________________ > > grass-user mailing list > > [email protected] > > http://lists.osgeo.org/mailman/listinfo/grass-user >
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