Some spectrometers will give illuminant values in units of irradiance
(μWatt.cm-2),
but physiological models require illuminants in units of photon (quantum) flux
(μmol.s-1.m-2).
The functions irrad2flux()
and flux2irrad()
allows for easy conversion of
rspec
objects between these units.
irrad2flux(rspecdata)
flux2irrad(rspecdata)
a converted rspec
object.