(sorry for slow) On Tue, Jul 1, 2014 at 3:47 PM, G. Allegri <[email protected]> wrote: > I think there's an error in the docs of the r.viewshed addon. It states that > the default output raster contains vertical angle relative to the observer > and that the values are: > > "a value in [0, 180] representing the vertical angle with regard to the > viewpoint, in degrees, if the point is visible. 0 degrees: directly above > the observer, 180 degrees: directly below the observer" [1] > > It's the opposite of r.los, where 0 is below and 180 right above. > The resulting maps are equivalent, and looking to my results r.los > interpretion is right.
In r61669 I have slightly polished the manual and added an example + screenshot. And subsequently in r61670.[2] also added that 1.75 is the default observer height and a correction to the text snippet you mentioned. Thanks for catching, hope it is more clear now. Markus [2] for those not familiar with this rBLA stuff: it is the actual revision number: http://trac.osgeo.org/grass/changeset/61670 > giovanni > > [1] > https://svn.osgeo.org/grass/grass-addons/grass6/raster/r.viewshed/r.viewshed.html > > -- > Giovanni Allegri > http://about.me/giovanniallegri > Twitter: https://twitter.com/_giohappy_ > blog: http://blog.spaziogis.it > GEO+ geomatica in Italia http://bit.ly/GEOplus > > _______________________________________________ > grass-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/grass-user _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
