[GRASS-user] East/West Horizons Giving Negative Numbers

Markus Neteler neteler at osgeo.org
Wed Jul 1 01:26:26 PDT 2020


Hi,

On Wed, May 27, 2020 at 8:50 AM Stefan Blumentrath
<Stefan.Blumentrath at nina.no> wrote:
> Hi Ashley,
>
> The possibility to return negative horizon values was introduced here:
>
> https://github.com/OSGeo/grass/commit/688d5885557f22c7ea6618dcac3ddfbfc764731a#diff-5ce8290f429502e23efaf9ebdc18bd2b
>
>
> The output with the d-flag is azimuth degree (-90 – 90, where 0 is parallel with the focal cell).
>
> So, from my understanding, negative values indicate horizon height below the cell it is computed from.
>
>
> Maybe the manual could be a bit more specific here…?

Please check this manual change for clarity:
https://github.com/OSGeo/grass/pull/754

best,
Markus


-- 
Markus Neteler, PhD
https://www.mundialis.de - free data with free software
https://grass.osgeo.org
https://courses.neteler.org/blog


More information about the grass-user mailing list