Dear friends, Where do I find these files, like poly.c? I cannot find them on my installation. I have 6.2.3 on Ubuntu 7.10, with the grass-dev package installed.
Do I have to use python? I thought I could use a bash script. On Tuesday 04 March 2008 16:45:47 Rick Reeves wrote: > Hamish: > > Good point. For a large dataset such as Corrado's, it would be better to > use GRASS, > once Corrado surmounts the GRASS learning curve. R is a good alternative > choice > in that it is simpler to use. > > Regards, RR > > Hamish wrote: > > Rick Reeves wrote: > >> This is a good task for the R programming environment, which has > >> strong geospatial tools and integrates with GRASS: > > > > FYI, in GRASS's vector library (available outside of C with e.g. > > SWIG-Python) there a number of x-in-polygon functions found in > > lib/vector/Vlib/poly.c. v.buffer uses such a test to check that its > > centroid is inside the new area, you could trace that back if you > > wanted to see the method in use. > > > > from GRASS modules there is v.select and 'v.distance dmax=0' (?) and > > probably other ways too. > > > > > > many roads, > > Hamish > > > > > > > > > > _________________________________________________________________________ > >___________ Be a better friend, newshound, and > > know-it-all with Yahoo! Mobile. Try it now. > > http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ Best Regards -- Corrado Topi Global Climate Change and Biodiversity Area 18,Department of Biology University of York, York, YO10 5YW, UK Phone: + 44 (0) 1904 328645, E-mail: [EMAIL PROTECTED] _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
