Two plots on the left define the direction (top: primaries, bottom: spectra), middle plot defines sensitivities, two plots on the right define the result on the receptors (top: energy on each receptor for background and direction, bottom: energy relative to energy on background).
Two plots on the left define the direction (top: primaries, bottom: spectra), middle plot defines sensitivities, two plots on the right define the result on the receptors (top: energy on each receptor for background and direction, bottom: energy relative to energy on background).