Ricardo, This is not an answer to your question but rather a question to the list. Can v.db.update take as values a formula using data from other collumns? Or would I need to use db.execute to do something like new_column = col_A + col_B
Daniel On Thu, Jul 29, 2010 at 4:57 PM, Ricardo Rodríguez <[email protected]> wrote: > hello all, I tried to make calculations between attributes and insert the > results in new columns, in vector files, but can not find an easy way to do > also is very difficult to edit or delete an attribute not know if I'm doing > something wrong or is it something program, which surprises me the level of > complication that occurs to be a chore, been reviewing the documentation, > but can not find anything about it, but routine suggested for this sql based > standard of Grass gis. > > thanks for your answers > > PS: I use the svn version 6.5 > > Ricardo Rodríguez > > Univalle > > _______________________________________________ > 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
