[GRASS-user] v.to.db problem

[Maciej Sieczka]

temiz wrote:
> when I generate point map from line map as:
> 
> ---  v.to.points input=e30a2top type=point,line,boundary,centroid
> output=nokta1 llayer=1 dmax=100
> 
> and to insert x,y coords of those points to db
> 
> ---  GRASS 6.3.cvs (pro1):~/data > v.to.db map=nokta1 option=coor col=x,y
>      Updating database ... WARNING: More elements of category 1, nothing
> loaded to DB
>      WARNING: More elements of category 2, nothing loaded to DB
>      and so on

It looks like you have multiple vector features with the same category.

> cat values indicate more than one points then v.to.db does not properly.
> 
> I used v.category and generated new categories. It also gives another
> errors.

Drop the table connected to your vector, remove all categories from the
vector (v.category), assign unique categories (v.category), create the
table back, try v.to.db again.

Maciek