Hello, I'm trying to polygonize a lines layers. I imported the layer in
grass with v.in.ogr as boundaries, then I attached the centroids with
v.centroid.
Probably because of the polygonize, some attribute are lost in in the
output map, so I have to update the table to fix the attributes:
v.db.upda
Ok, now can I add the missing categories in dbf table with:
v.to.db map='polygons' type='centroid' option='cat'
But the update command is still failing:
v.db.update map=polygons col=building value=3.0
The new categories in dbf table have still empty 'building' attributes...
On Wed, 03 Dec 2014
It seems to work better with the sqlite driver...
Maybe the command v.db.update does not work with DBF driver?
Thanks, Tommaso
On Wed, 03 Dec 2014 12:18:13 +0100, tommaso
wrote:
Ok, now can I add the missing categories in dbf table with:
v.to.db map='polygons' type='centroid' option='ca
On Mon, Dec 8, 2014 at 10:37 AM, tommaso wrote:
> It seems to work better with the sqlite driver...
> Maybe the command v.db.update does not work with DBF driver?
The DBF driver is not ideal at all for SQL related jobs. Maybe GRASS
GIS is the only software which offers a bit of SQL for DBF :-)
Bu
