Simulate diurnal illuminance value — diurnal • skytrackr

Calculates log(lux) values for a give location, date, time and sky conditions.

diurnal(par, data, loc, ...)

Arguments

par: Three parameters specifying the illuminance model.
data: A data frame with the required drivers for the illuminance model.
loc: previous location
...: optional other parameters to forward

Value

Sky illuminance as log(lux).