v.net.path - was Re: [GRASS-dev] Re: d.vect changes

Markus Neteler neteler at itc.it
Thu May 3 07:19:42 EDT 2007

[ v.net.path example ]

On Thu, May 03, 2007 at 08:32:00PM +1200, Hamish wrote:
> This is because "connect" lines are missing any cat values. v.clean (and
> almost all vector modules) work by cycling through the list of cats. You
> have to use v.category to give them a cat before going on. I have forgotten
> to do this enough times that now I always remember it.

If you look at v.db.addtable, you see that it tries to add
categories. But only in the table. Perhaps *there* should be
an addition to first check if categories are present at all,
if not, add them?

See line 192 in v.db.addtable.

This would greatly simplify the example.


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