On 21/11/12 13:02, Martin Landa wrote:
Hi,
2012/11/17 Aldo Clerici<aldo.cler...@unipr.it>:
v.db.connect map=roads1 table=roads2 layer=2
it's not enough. You need to defined also categories for layer '2',
see `v.category` for details. This module allows to change layer
number, but unfortunately not to copy categories from one layer to
another.
Motion:
v.category input=roads1 output=roads2 option=cpylayer layer=1,2
to copy categories from layer 1 to layer 2 would make sense? It would
require to add new option `cpylayer` similarly to `chlayer`.
Already exists in grass7: option=transfer
Moritz
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