[GRASSLIST:1063] Re: Finding area where sit points without PostgreSQL

[Radim Blazek]

On Wednesday 27 August 2003 18:19, tlaronde at polynum.org wrote:
> Hello,
>
> I have a vectorial map with text which insertion point is inside the area
> it should be associated with. I have used PostgreSQL geometric extensions
> to find where the point (insertion) is in ( '(x,y)' @ boundary ). But :
>
> 1) I would prefer to use the geometric/topological tool, i.e. GRASS, to do
> this kind of things, and not use database extensions ;
>
> 2) The results are not always good (i.e. PostgreSQL miss some points that
> indeed lie inside an area --- the area boundaries where extracted from
> GRASS);
>
> Is there a way to do it automatically (batch) in GRASS.
> Alternate: has someone tips to make it work correctly under PostgreSQl (I
> still prefer a GRASS based solution but I'd like to understand if there are
> subtilities under PostgreSQL).
>
> TIA.

To find area the point is within?
5.0: v.what (attention to current region!)
5.1: v.distance max=0

Ra