[GRASSLIST:1562] Re: GRASS 5.7: Vector networking tutorial

[Radim Blazek]

On Sunday 26 October 2003 14:20, Maliheh wrote:
> Hi,
> I'm practicing on this tutorial, it's so good for me
> to know more about GRASS 5.7.
> but I have some problems with it:
> 1. In reachability of schools section:
>  I did all till
>   d.vect schools disp=attr attr=pointName
> bgcolor=white bcolor=black
>  but I get this error message:
>   Cannot select attributes from cat 39.
> Does anybody know what is this error and what should I
> do?

Area you sure that db connection and table is ok? Does d.what.vect works?
Try g.gisenv set=DEBUG=2 and try last printed SQL query with db.select.
(use driver/database the same as printed by v.db.connect -p map=schools).


Radim