[GRASS-dev] Re: [GRASS-user] change centroids/area categories by step values

On 10/08/08 01:15, G. Allegri wrote:

It works... I'm sorry, it was a problem with my vector. It gave me
errors because it wasn't correctly dissolved...
Thanks anyway, for the hint.

I will open another post for the other question:
why is the creation of new vectors in v.categories, v.dissolve, and
similar commands needed? Couldn't it be an option, so one could
overwrite the original vector? I imagine it shouldn't be difficult to
realize it...

Probably not (just need to create a temporary file which you copy over the original file at the end, but it represents a higher risk of losing data. So, IMHO, this is not a question of programming, but a more general question of program philosophy...

Moritz