[GRASS-user] r.sunmask cast shadow question

[Tim Michelsen]

Am 04.01.2014 15:12, schrieb Vaclav Petras:
> 
> 
> 
> On Sat, Jan 4, 2014 at 6:17 AM, Tim Michelsen
> <timmichelsen at gmx-topmail.de <mailto:timmichelsen at gmx-topmail.de>> wrote:
> 
>     Am 02.01.2014 23:13, schrieb Markus Neteler:
>     > You may consider r.sun as well in order to compute cast shadow. I
>     > played around with it recently, see
>     > http://courses.neteler.org/will-the-sun-shine-on-us/
>     Thanks for sharing this.
> 
>     >Perhaps r.sun.hourly should get an additional flag to generate the
>     binary “sun-yes” – >“sun-no” maps directly.
>     Additionally, it would be nice to have a agregrate flaf
>     * sum up the daily/monthly/annual radiation (kWh/m^2)
>     * average sunlight duration per day during a month, etc. (h/d)
> 
> Would r.sun.hourly and r.sun.daily help to satisfy these requests?
>  
> http://grass.osgeo.org/grass70/manuals/addons/r.sun.hourly.html
> http://grass.osgeo.org/grass70/manuals/addons/r.sun.daily.html
>  
> 
>     Where can such ideas be collected for GRASS addons?
>     In the normal bugtracker?
> 
> 
> Never thought about that. It is an feature request, so I would put it to
> bugtracker. If the reporter thinks that it should go to addons (and not
> to main code)
I added these isses but currently have not time to work on this:
add flag for binary “sun-yes” – >“sun-no” output
http://trac.osgeo.org/grass/ticket/2154

r.sun.hourly: add flag for aggregating a series of output files
http://trac.osgeo.org/grass/ticket/2155