[GRASS-user] quick vector issues

Hamish hamish_nospam at yahoo.com
Mon Jul 2 23:53:28 EDT 2007


> Carlos Grohmann wrote:
> > 1 - Is it just me or v.db.addtable cannot be accessed from gism?
> > only from CLI?
> > 
> > 2 - using v.out.ascii gives me my coordinates and points
> > _categories_... no way of get the attribute, like elevation?

Maciej:
> v.out.ascii.db from GRASS AddOns WIKI. By Hamish.

Dylan:
> Another option is to use db.select : if you are only using point data,
> you can create an x and y column, upload the coordinates, and then

(v.to.db)

> dump the table with db.select.

but multiple points may use the same cat number so this may be
problematic.


It is my hope that one day v.out.ascii points mode gets a columns=
option and v.out.ascii.db can be retired. This question comes up often
enough to demonstate the need.



Hamish




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