r.sunmask r.sunmask - Calculates cast shadow areas from sun position and elevation raster map. Raster (r.*) ParameterRaster|elev|elev|False ParameterNumber|altitude|altitude|None|None|0.0 ParameterNumber|azimuth|azimuth|None|None|0.0 ParameterNumber|year|year|None|None|0.0 ParameterNumber|month|month|None|None|1 ParameterNumber|day|day|None|None|1 ParameterNumber|hour|hour|None|None|0 ParameterNumber|minute|minute|None|None|0 ParameterNumber|second|second|None|None|0 ParameterNumber|timezone|timezone|None|None|0.0 ParameterNumber|east|east|None|None|0.0 ParameterNumber|north|north|None|None|0.0 ParameterBoolean|-z|-z|True ParameterBoolean|-v|-v|True ParameterBoolean|-s|-s|True ParameterBoolean|-g|-g|True OutputRaster|output|Name for output raster map