[GRASS-user] temporarily edit tables (dbf) outside of GRASS

Moritz Lennert mlennert at club.worldonline.be
Fri Nov 30 07:46:46 EST 2007


On 30/11/07 11:40, Tim Michelsen wrote:
> Hello,
> I need to do some calculations on my attribute tables.
> 
> What is the corresponding command in GRASS for this?

v.db.addcol
v.db.update

> 
> Is it safe to edit the DBF-table outside of GRASS in another program?
> For instance in OpenOfficeCalc?
> Or even as a CSV with Python, IDL, etc.?

Yes. You can actually create whatever dbf you want, wherever you want as 
long as it contains a column with the id's of the objects. Then you can 
connnect your vector map to this dbf with v.db.connect.


Moritz


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