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I have been trying to run the r.sun model on a small test area but it crashes after roughly 5-6 minutes. A windows error pops up saying the program stopped working. I used it before to create an incidence angle raster map with no issue and r.horizon runs fine with the same inputs. Does anyone have a suggestion on what I might be doing wrong?

This is the code I use to run the model:

r.sun elevation=DEM@User aspect=Aspect@User slope=Slope@User horizon_basename=horangle horizon_step=11.25 glob_rad=Global day=15 step=1

After I click the windows prompt to close the running script it prompts me that the command is finished but it procuded no output. Below is a screenshot of the issues.

enter image description here

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  • Issue is fixed with help of the following post: gis.stackexchange.com/questions/71919/…. It was the case that my layers were of different sizes. I thought it was fine by using the DEM, which set the boundaries of the sample area, as a mask. Though I had to set g.region to do so apparrently.
    – Tins
    Sep 30, 2016 at 6:35

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Issue is fixed with the help of the following post: Solar irradiation calculation using r.sun.

It was the case that my layers had different sizes. I thought it was fine by using the DEM, which set the boundaries of the sample area, as a mask. Though I had to set g.region to do so apparrently.

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