Opened 7 years ago
Last modified 6 years ago
#3614 new enhancement
r.relief: estimate solar altitude and azimuth for given date and time
| Reported by: | mmetz | Owned by: | |
|---|---|---|---|
| Priority: | normal | Milestone: | 7.6.2 |
| Component: | Raster | Version: | svn-trunk |
| Keywords: | r.relief, r.sunhours, solar position | Cc: | |
| CPU: | All | Platform: | All |
Description ¶
r.relief uses solar altitude (default 30 degrees) and azimuth (default 270 degrees) to produce a shaded relief. It would be nice to have a mechanism to estimate solar altitude and azimuth for a given date and time and the current region.
This could be done with the solpos algorithm as used in r.sunhours, or r.sunhours gets enhanced to optionally not produce a raster map, but print estimates for the current region's center.
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