r.sunmask
r.sunmask.datetime - Calculates cast shadow areas from sun position and elevation raster map.
Raster (r.*)
ParameterRaster|elevation|Elevation raster layer [meters]|False
ParameterNumber|year|year|1950|2050|2000
ParameterNumber|month|month|0|12|1
ParameterNumber|day|day|0|31|1
ParameterNumber|hour|hour|0|24|1
ParameterNumber|minute|minute|0|60|0
ParameterNumber|second|second|0|60|0
ParameterNumber|timezone|East positive, offset from GMT|0|None|0.0
ParameterString|east|Easting coordinate (point of interest)|
ParameterString|north|Northing coordinate (point of interest)|
ParameterBoolean|-z|Do not ignore zero elevation|True
ParameterBoolean|-s|Calculate sun position only and exit|False
OutputRaster|output|Shadows