[GRASS-user] v.net.iso - node costs

Moritz Lennert mlennert at club.worldonline.be
Wed Nov 12 04:38:16 EST 2008


On 11/11/08 15:31, Paolo Craveri wrote:
> Hi  all
> 
> how can I use v.net.iso with node costs ?
> 
> I tried this:
> 
> g.copy vect=roads,myroads,archsites,myarchsites --o
> 
> v.net myroads points=myarchsites out=mynetwork op=connect thresh=1000 --o
> 
> 
> v.db.addtable mynetwork layer=2 col="cat integer, cost double precision"
> 
> echo "update mynetwork_2 set cost=1" | db.execute

Is mynetwork_2 attached to any map ?

What does 'v.category map=mynetwork option=report' give you ?

What does 'v.db.select map=mynetwork layer=2' give you ?

Moritz


More information about the grass-user mailing list