[GRASS-user] How to find out an angle between to points on the map (for r.plane, r.lake)

[Dylan Beaudette]

On Thursday 28 February 2008, Philipp Steigenberger wrote:
> Hi
> I want to work with r.plane and r.lake to get simulate floodings in DTMs.
>
> In the section of interest there is a river which runs from about SSW to
> NNE. For r.plane I need the
> azimuth. Is there a tool in GRASS which tells me the angle between two
> points I mark on the map like I can measure in between two points with
> d.measure?
>

Well of course I had to go and try this out.

attached is a patch (against todays SVN) to optionally print the bearing 
between clicks.

Dylan


-- 
Dylan Beaudette
Soil Resource Laboratory
http://casoilresource.lawr.ucdavis.edu/
University of California at Davis
530.754.7341
-------------- next part --------------
A non-text attachment was scrubbed...
Name: d.measure_bearing.patch
Type: text/x-diff
Size: 3453 bytes
Desc: not available
Url : http://lists.osgeo.org/pipermail/grass-user/attachments/20080228/7cdb6380/d.measure_bearing.bin