[Qgis-user] [QGIS-Developer] Sunrise, Sunset, Lunar Calculations

[Christian Yrrman]

Hi Calvin, Martin,


forgot to say there are also grass functions to do this, namely

r.sunhours
r.sunmask.datetime
r.sunmask.position

see
https://github.com/OSGeo/grass/tree/master/raster/r.sunmask
for reference.

With this you can also get shadow areas from dems.

Best


Chris




On Fri, Jun 28, 2019 at 9:53 AM Martin Dobias <wonder.sk at gmail.com> wrote:

> Hi Calvin
>
> On Thu, Jun 27, 2019 at 9:15 PM C Hamilton <adenaculture at gmail.com> wrote:
> >
> > How much interested would there be for a plugin to display sunrise and
> sunset information for a particular location on the earth's surface. Is
> anyone already working on this? There doesn't seem to be a capability for
> this, but perhaps I have missed it. Are there other astronomical
> calculations that would be worth while in QGIS? (Moon asimuth/position,
> phase)
>
> Just adding another +1 vote to have something like this in QGIS :-) At
> some point I would like to look into rendering of shadows of buildings
> in QGIS 3D - and for this it would be important to have the ability to
> calculate sun position.
>
> Cheers
> Martin
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