achim wrote:
I am searching for a good idea to convert a
raster-flow-direction map into a vector-network map.Probably I will have to write a script. If it is possible
at all...In case of writing a script it mean to me: how to produce a
line within r.mapcalc?Has anyone a hint?
the process of converting an accumulation flow map to a vector
streams map is described in the Examples section of the
r.watershed help page:
http://grass.osgeo.org/grass64/manuals/html64_user/r.watershed.html
If I understand it correctly you are starting with an aspect
map?
Hamish