Hi, 2009/6/26 Moritz Lennert <mlenn...@club.worldonline.be>: > "disjoint - features do not spatially intersect" > > Which sounds pretty much like the reverse of the intersect operator. > > However, when I try the following in the nc_spm_06 NC data set: > > v.extract input=roadsma...@permanent output=cary list=1004 > v.select -g ainput=roadsma...@permanent atype=line binput=c...@user1 > btype=area output=roads_disjoint_cary operator=disjoint > > I get: > > http://geog-pc40.ulb.ac.be/grass/misc/disjoint.png > > whereas > > v.select -r -g ainput=roadsma...@permanent atype=line binput=c...@user1 > btype=area output=roads_reverse_intersect_cary operator=intersects > > gives me: > > http://geog-pc40.ulb.ac.be/grass/misc/reverse_intersect.png > > Is this a bug in the disjoint operator, or am I misinterpreting its meaning
It's a bug in v.select. Fixed in r38250. Currently `ope=disjoint` = `-r operator=intersect`. It would be better to change v.select's algorithm to select features, and to remove this ugly hack. Martin -- Martin Landa <landa.martin gmail.com> * http://gama.fsv.cvut.cz/~landa _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user