[GRASS5] trouble with vector layers
Radim Blazek
radim.blazek at gmail.com
Thu Sep 15 10:16:44 EDT 2005
Can you send output from:
v.category input=molenbeek option=report
Radim
On 9/15/05, Moritz Lennert <mlennert at club.worldonline.be> wrote:
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> Hello,
>
> Don't know if this is a bug or if I just don't understand the use of
> layers:
>
> GRASS 6.1.cvs (BELGIQUE):~ > v.db.connect -p molenbeek
> Vector map <molenbeek> is connected by:
> layer <1> table <molenbeek> in database <grass> through driver <pg>
> with key <cat>
> layer <2> table <molpoptot> in database <grass> through driver <pg>
> with key <cat>
>
> the cat column is identical in the two tables. However:
>
> GRASS 6.1.cvs (BELGIQUE):~ > d.vect molenbeek where='cat>8000'
>
> displays the right areas, but
>
> GRASS 6.1.cvs (BELGIQUE):~ > d.vect molenbeek layer=2 where='cat>8000'
>
> does not display anything. At the same time
>
> v.db.select molenbeek layer=2 where='cat>8000'
>
> correctly lists the corresponding lines in the table molpoptot.
>
> Moritz
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