Moritz Lennert wrote: > On 28/05/12 12:30, Markus Metz wrote: >> >> On Mon, May 28, 2012 at 11:52 AM, spiderplant0<spiderpla...@gmail.com> >> wrote: >>> >>> Hi. It doesn't add any new information but I wanted the .dbf file to be >>> there >>> so I can open it up with other tools and check the contents for debug >>> purposes etc. And I wanted to change the column to the correct name for >>> consistency with downstream processing scripts. >> >> >> Try >> v.dissolve input=pass2@mapset1 layer=1 column=fttcp output=pass3 >> v.db.addtable map=pass3 >> v.db.renamecol map=pass3 column=cat,fftcp > > > IIUC, if you do that you will lose the connection between the map and the > attribute table if that connection is defined with the cat column as the key > column.
Oops, right, thanks for pointing this out. Markus > > If you want to keep the connection, but use the name fftcp instead of cat > for the key column, you will have to do something like this: > > > v.dissolve input=pass2@mapset1 layer=1 column=fttcp output=pass3 > v.db.addtable map=pass3 > v.db.addcolumn map=pass3 col="fftcp int" > v.db.update map=pass3 col=fftcp qcolumn=cat > v.db.connect -o map=pass3 table=pass3 key=fftcp > v.db.dropcolumn map=pass3 col=cat > > > >> >> If you want that to be done by v.dissolve, that is, v.reclass, >> automatically, you could file an enhancement ticket for v.reclass to >> add a new flag, say -t, to always create a table for the output where >> the original column name is used when the column type is integer. > > > Maybe adding the option to v.db.addtable to use another name for the key > column would also be good idea. > > Moritz _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user