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

[Dylan Beaudette]

On Friday 29 February 2008, Michael Barton wrote:
> Dylan,
>
> If I remember, your patch is to d.measure? We don't use any of the old
> interactive xterm commands. In fact, you can't use them anywhere
> except in an xterm.
>
> Michael

Hi Michael, 

Right -- this patch was to d.measure, so it sounds like it will not interfere 
with the workings of the GUI.

Cheers,

Dylan

> ______________________________
> Michael Barton, Professor
> Professor of Anthropology
> Director of Graduate Studies
> School of Human Diversity & Social Change
> Center for Social Dynamics & Complexity
> Arizona State University
> Tempe, AZ  85287-2402
> USA
>
> voice: 480-965-6262; fax: 480-965-7671
> www: http://www.public.asu.edu/~cmbarton
>
> On Feb 29, 2008, at 9:34 AM, Dylan Beaudette wrote:
> > On Thu, Feb 28, 2008 at 9:36 PM, Michael Barton <michael.barton at asu.edu
> >
> > > wrote:
> >>
> >> On Feb 28, 2008, at 6:32 PM, grass-user-request at lists.osgeo.org
> >>
> >> wrote:
> >>> Date: Thu, 28 Feb 2008 16:17:17 -0800
> >>> From: Dylan Beaudette <dylan.beaudette at gmail.com>
> >>> Subject: Re: [GRASS-user] How to find out an angle between to points
> >>>      on the  map (for r.plane, r.lake)
> >>> To: grass-user at lists.osgeo.org
> >>> Message-ID: <200802281617.17608.dylan.beaudette at gmail.com>
> >>> Content-Type: text/plain; charset="iso-8859-15"
> >>>
> >>> 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
> >>
> >> In the new wxPython GUI, the measure tool prints bearing as well as
> >> distance between click points.
> >>
> >> Michael
> >
> > Thanks for the update. I don't regularly use either of the GUI and did
> > not know about this feature. Does the patch that I submitted interfere
> > with this functionality? I think that it would be useful to have this
> > functionality in the old style monitors as well.
> >
> > Cheers,
> >
> > Dylan



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