illuminance2troland {CVD} | R Documentation |
illuminance2troland
convert from illuminance (lux) to conventional retinal illuminance (troland) and effective troland (trolands per effective area).
luminance2troland
convert from luminance (cd/m^2) to troland and effective troland.
luminance2troland(Lv, d=NA)
illuminance2troland(Ev, lumFactor, d=NA)
d |
diameter in mm |
Lv |
luminance (cd/m^2) |
Ev |
illuminance (lux) |
lumFactor |
luminance factor |
troland |
conventional retinal illuminance (troland) |
effectivetroland |
effective troland (trolands per effective area) |
Jose Gama
#Smith, VC, Pokorny, J, and Yeh, T: The Farnsworth-Munsell 100-hue test in cone excitation space. Documenta Ophthalmologica Proceedings Series 56:281-291, 1993.
# Pupil area in mm^2 for diameter = 2 mm
## Not run: illuminance2troland(2)