Hi all, I solved by adding cat via v.category (only) for the lines. Before only centroids cats where present by default.
v.clean not nesessary. Thanks Hamish! achim achim schrieb: > 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 _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
