On 10/03/16 18:56, Markus Neteler wrote:
Hi devs,
I somehow don't get how to sample values from a raster map along a
vector line which is several pixels long.
In essence, something like this
#1852: r.profile: accept lines vector map as profile
https://trac.osgeo.org/grass/ticket/1852
Issues:
- I tried v.split but don't know how to extract the nodes from the
resulting map.
- I also tried v.to.points but the distance is "random". Try this:
# NC data
v.to.points railroads output=railroads_nodes use=node dmax=200
g.region vector=railroads_nodes
d.mon wx0
d.vect railroads_nodes
--> ??
This is the expected result with use=node. Try without that, and you
should get what you are looking for:
v.to.points railroads output=railroads_nodes dmax=200
Moritz
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