<div dir="ltr"><div>Hi Eli,</div><div><br></div><div>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.</div><div><br></div><div>I'm putting Tamas in CC to ask if I'm missing something.<br></div><div><br></div><div>Thanks and best regards!</div><div>Pedro</div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Eli Adam <<a href="mailto:eadam@co.lincoln.or.us" target="_blank">eadam@co.lincoln.or.us</a>> escreveu no dia sexta, 8/05/2020 à(s) 01:16:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi Pedro,<br>
<br>
On Thu, May 7, 2020 at 4:39 PM Eli Adam <<a href="mailto:eadam@co.lincoln.or.us" target="_blank">eadam@co.lincoln.or.us</a>> wrote:<br>
><br>
> Was the same done in GRASS and the Visibility Analysis plugin for<br>
> QGIS?<br>
<br>
This was the main part of my question, that all three had the same<br>
inputs. Did GRASS and QGIS have all the same parameters?<br>
<br>
I'm not certain but my impression is that you're using the parameters<br>
correctly. Perhaps the author, Tamas will reply.<br>
<br>
Best regards, Eli<br>
</blockquote></div>