thank you markus for the reply well, in vector layer i don't have a field containing numbers in string field, here is my attribute table:
objectID Type 1 A 2 A 3 B 4 A 5 C so, i have to rasterize it using the type field wich is not numeric. How can i do it ? thank you On Thu, Sep 4, 2014 at 7:00 PM, Markus Neteler <[email protected]> wrote: > On Thu, Sep 4, 2014 at 4:56 PM, christophe joey > <[email protected]> wrote: > > hello > > > > i would like to rasterize a vector layer i guess within: v.to.rast > > but the type of the column to use in the rasterization is string not > > numeric. > > > > is it possible to do it in grass 6.4 ? > > Yes. > - use v.db.addcol to add a new numeric column > - then cast the string numbers to numeric with v.db.update: > http://grass.osgeo.org/grass64/manuals/v.db.update.html > --> see last example (that's for the SQLite or other true SQL > drivers only, not the DBF backend) > > Markus >
_______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
