Thanks Hamish, but I do have cats. I did v.clean and I tried with v.category, too. But it doesn't help.
Maybe my cats addressing the nodes??? achim Hamish schrieb: > achim wrote: >> today another question. >> >> My problem: >> I converted boundaries from an area vmap to lines via >> v.type >> v.type input=git...@achim output=gitter_lines >> type=boundary,line --o >> >> Now I want to convert these lines to raster-cells via: >> >> v.to.rast --overwrite input=gitter_li...@achim >> output=gitter_lines >> use=cat type=line >> >> but nothing converts! >> >> Loading data... >> Pass 1 of 2: >> Reading features... >> Schreibe Rasterkarte... >> Pass 2 of 2: >> Schreibe Rasterkarte... >> Converted areas: 0 of 0 >> Converted points/lines: 0 of 47763 >> v.to.rast komplett. >> >> >> What am I doing wrong? > > boundaries typically do not have a category value (e.g. a boundary between > two fields: which farmer owns the boundary?), but sometimes can (e.g. if > boundary is also a road) > > only items with category are processed by most vector modules (they loop > from the first cat to the last cat). So run v.category to add cats to > your lines and then it should work. > > there is a (short) word about this in the vectorintro help file. > > > Hamish > > > > > _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
