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