[gdal-dev] gdal_viewshed

Pedro Venâncio pedrongvenancio at gmail.com
Thu May 7 17:31:14 PDT 2020

Hi Eli,

Oh yes, I used the same parameters in all three. The only difference is in
atmospheric refraction and curvature effect, but even playing a bit with
that parameter, the overall effect is minimum compared with the huge
difference I see between gdal_viewshed and the others.

I'm putting Tamas in CC to ask if I'm missing something.

Thanks and best regards!

Eli Adam <eadam at co.lincoln.or.us> escreveu no dia sexta, 8/05/2020 à(s)

> Hi Pedro,
> On Thu, May 7, 2020 at 4:39 PM Eli Adam <eadam at co.lincoln.or.us> wrote:
> >
> > Was the same done in GRASS and the Visibility Analysis plugin for
> > QGIS?
> This was the main part of my question, that all three had the same
> inputs.  Did GRASS and QGIS have all the same parameters?
> I'm not certain but my impression is that you're using the parameters
> correctly.  Perhaps the author, Tamas will reply.
> Best regards, Eli
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