[GRASSLIST:8290] Re: touching areas

[Radim Blazek]

v.category type=boundary
v.to.db -p option=sides | grep -v '\-'

Radim

On 9/14/05, ivan marchesini <marchesini at unipg.it> wrote:
> dear users..
> I have this problem:
> 
> I have a lot of areas in a vector map, each one which have a different
> cat value
> 
> each area should not be touched by an other one. (they are querries
> areas and there are no holes in the single querries)
> 
> but when I do v.build I obtain 477 aree and 476 isles...
> 
> this mean that there are two area toutching themself
>  this is an error... I need only shared areas...
> 
> so, the question: how can I find the two touching areas automatically???
> 
> thanks for your answer...
> 
> ivan
> 
> 
> 
> 
> 
> --
> Ivan Marchesini
> Department of Civil and Environmental Engineering
> University of Perugia
> Via G. Duranti 93/a
> 06125
> Perugia (Italy)
> e-mail: marchesini at unipg.it
>         ivan.marchesini at gmail.com
> tel: +39(0)755853760
> fax: +39(0)755853756
> 
> 
> 
> 
>