[GRASS-user] Re: Problem with creating layer 2 data

Moritz Lennert mlennert at club.worldonline.be
Sun May 25 05:43:44 EDT 2008

On Fri, May 23, 2008 22:28, J. Brian Adams wrote:
> As a followup, when I created the second layer I used
> v.db.connect  map=baseMap driver=sqlite table=CountyData key=FIPS
> layer=2

This does not create a second layer, it connects a table to the second
layer. To create a second layer you need to use v.category.

See also

We could really use some more extended documentation about layer
management...and some more tools, such as the possibility to apply the
cats of one layer to another. See
http://lists.osgeo.org/pipermail/grass-user/2008-March/044181.html (point
3) for a work-around.


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