On Thu, Feb 28, 2008 at 7:26 PM, Hamish <[EMAIL PROTECTED]> wrote: > Dylan Beaudette wrote: > > > 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. > > > Hi, > > you should add a check so that it won't allow bogus results if the > location is in Lat/Lon: > > e.g. from d.grid: > if (geogrid->answer && G_projection() == PROJECTION_LL) > G_fatal_error(_(".. option is not available for LL projection")); > > (the great circle line's bearing changes with distance along it; unless > you are interested in the rhumbline?) > > > for this stuff also checkout m.cogo, r.transect, r.profile, > d.rhumbline, d.geodesic > > > Hamish >
Thanks for the tips. Before I go and make any more modifications / documentation additions does this small patch appear to be useful enough to be merged into d.measure ? The m.cogo module is useful enough, but sometimes an interactive quick approach (such as what d.measure does) can be extremely useful. Dylan _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user