[GRASS-user] elevation profile

[Dylan Beaudette]

This might be useful:

http://casoilresource.lawr.ucdavis.edu/drupal/node/375

Cheers,
Dylan

On Thursday 15 July 2010, John Callahan wrote:
> Hopefully a quick question that I'm struggling with.  (I'm a long-time GIS
> user but trying to move my work to GRASS and other FOSS4G.)   I'm using
> GRASS 6.4 RC6 on Windows XP.
>
> I have a raster grid representing elevation at 2meter resolution. I have a
> line shapefile representing roads (about 20 roads total).  I would like to
> get ASCII text files of x,y,z at about 1 or 2 meter intervals along each
> road.  Any ides of what I can try?
>
> I thought v.drape might work. This converts my 2D road shapefile to 3D, but
> I'm not sure where to go from there.  And this doesn't help getting 1 or 2
> meter intervals.  I also tried r.profile but this requires input as a
> listing of x,y coordinates, not shapefiles.  I know there's a step here I'm
> missing.
>
> - John
>
> **************************************************
> John Callahan, Geographic Information Scientist
> Delaware Geological Survey, University of Delaware
> URL: http://www.dgs.udel.edu
> **************************************************



-- 
Dylan Beaudette
Soil Resource Laboratory
http://casoilresource.lawr.ucdavis.edu/
University of California at Davis
530.754.7341