[GRASS-user] Using v.distance between two identical layers...

[Hamish]

devaux wrote:
> do you know if it's possible to use v.distance command when
> "for" and "to" layers are
> the same layer ?
> I have a layer describing ecological areas of interest and
> I want to qualify spatial
> relation between all patches. I want to identify and
> calculate shortest relation between
> all my patches boundaries.
> 
> How can I do as v.distance command doesn't have any option
> like : eliminate identical
> objects from the "from" and "to" layer ?
> 
> I'd like to use this particular command because of the
> option that create lines between
> nearest objects.


use g.copy or v.extract as a first step to separate/duplicate the
features?


Hamish