[GRASSLIST:7786] Re: "densifying" or adding vertices to breaklines

Māris Nartišs maris.nartiss at gmail.com
Thu Aug 4 06:13:32 EDT 2005


to join two vector data sets use v.append from wiki. It will join
atribute data tables too. Unfortunatly it is slow on large data sets.



On 8/4/05, Jean-Denis Giguere <jdenisgiguere at fastmail.fm> wrote:
> Hi Tyler,
> You can use v.to.points to create points along your contour lines.
> After, you should use v.patch to combine your points layer.
> Sadly, I can't explain you how to create your attribute table when you
> do your v.patch command. I ask a question about that this morning but I
> don't get an answer by now.
> There is also some parameters that can be pass to v.surf.rst to deal
> with this.
> Hope this help,
> Jean-Denis
> Tyler Mitchell wrote:
> > We're looking to add points from breaklines into our DEM point maps, so
> > we can do terrain analysis.  Is there a similar concept in GRASS for
> > doing this?  Perhaps this is the way to do it, let me know if you have
> > any ideas.
> >
> > Tyler
> >

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