Calculates solar geometry for use in the SHADE2 model

Translation of solarC.m

solar_c(driver_file, solar_geo, Lat, Lon, ...)

Arguments

driver_file	The model driver file
solar_geo	Solar geometry, calculated from solar_geo_calc.R
Lat	The site Latitude
Lon	The site Longitude

Value

Returns solar altitude, azimuth, and declination