[GRASS5] trouble with vector layers
Moritz Lennert
mlennert at club.worldonline.be
Thu Sep 15 04:47:22 EDT 2005
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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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