.TH topic_solar 1grass "" "GRASS 7.8.5" "GRASS GIS User's Manual"
.SH Topic: solar
.TS
expand;
lw60 lw1 lw60.
T{
r.horizon
T}	 	T{
Computes horizon angle height from a digital elevation model.
T}
.sp 1
T{
r.sun
T}	 	T{
Solar irradiance and irradiation model.
T}
.sp 1
T{
r.sunhours
T}	 	T{
Calculates solar elevation, solar azimuth, and sun hours.
T}
.sp 1
T{
r.sunmask
T}	 	T{
Calculates cast shadow areas from sun position and elevation raster map.
T}
.sp 1
.TE
.PP
\fISee also the corresponding keyword solar for additional references.\fR
.PP
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.PP
© 2003\-2020
GRASS Development Team,
GRASS GIS 7.8.5 Reference Manual