v.clean has various parameters. Did you try increasing the threshold for the snapping? I'd try in relatively small increments and observe the results, because having a snapping threshold too high will collapse features you dont want collapsed.
Mark On 11/8/07, Andre Hauptfleisch <[EMAIL PROTECTED]> wrote: > Good day, > > I'm busy working on road extraction from QuickBird imagery. I've managed to > get my centrelines into a network of vectors (thanks to Grass!), but I would > like to run a topology reconstruction tool of sorts. > > I've tried the v.clean component, but had little effect. I suppose my > branches and gaps are to big for them to be pruned and connected. > > Does anyone know of a component, or external tool that could complete my > vector network? > > I've various papers on the topic, but unfortunately I don't have enough time > implement and experiment with these at this stage. > > Any hints? Ideas? > > Regards, > Andre > > _______________________________________________ > grassuser mailing list > grassuser@grass.itc.it > http://grass.itc.it/mailman/listinfo/grassuser > _______________________________________________ grassuser mailing list grassuser@grass.itc.it http://grass.itc.it/mailman/listinfo/grassuser