[GRASS-user] Calculating Azimuth of Stream Main Channel

[Alexander Muriy]

Rich Shepard wrote:


>    I need the compass direction (azimuth) of the main channels in
> identified
> sub-basins delineated by r.basin. I've looked at the list of vector and
> raster modules (both regular and add-on) without seeing one that will
> provide this output.
>
>    Is there a module that can take a basin's mainchannel map and identify
> the
> compass direction in which it flows?


Rich, maybe it's too late, but you may try my script <v.ldm> (
http://grasswiki.osgeo.org/wiki/AddOns/GRASS_6#v.ldm) to compute "Linear
Directional Mean" of vector lines.
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