On Tue, Sep 27, 2011 at 1:08 PM, Micha Silver <mi...@arava.co.il> wrote: > On 27/09/2011 13:31, giannis Nj wrote: > > Hi, > > is it possible to crop a shapefile at some coordinates inside grass? I have > a bigger area than what i want and i must limit the boundaries of this in > some coordinates. If it isn't possible, any other program (open source of > course) to do this job and then import the limited file in grass? > > > In GRASS it can be done with 2 steps: > First set the current region to the boundaries of the smaller region with > g.region: > g.region -p e-<east bound> w=<west bound> n=<north> s=<south> > Now create a polygon of the region extents: > v.in.region out=small_region > and finally with v.overlay you can clip the original to the smaller region: > v.overlay ain=<original shape> bin=small_region out=clipped_shape
Or easier, set the cimputational region with e.g.: g.region -p e-<east bound> w=<west bound> n=<north> s=<south> then limit shapefile import to the current region: v.in.ogr -r ... Markus M _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user
