On 30/11/14 06:10, arighna roy wrote:
Hi,
I am trying to append points to a new map patch_map6.
v.patch -e input=patch_map1 output=patch_map6
When I run the above command I get the following error.
ERROR: Key column not found
I don't know which column it is looking for.
The "key column" is the column in the attribute table containing the
category values (~ ids) of the features in your map, thus allowing to
link the features to the attributes.
You can use 'v.db.connect -p patch_map1' to see the details of the
connection for patch_map1.
Moritz
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