Convert from luminance to troland and effective troland

Share:

Description

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.

Usage

1
2
luminance2troland(Lv, d=NA)
illuminance2troland(Ev, lumFactor, d=NA)

Arguments

d

diameter in mm

Lv

luminance (cd/m^2)

Ev

illuminance (lux)

lumFactor

luminance factor

Value

troland

conventional retinal illuminance (troland)

effectivetroland

effective troland (trolands per effective area)

Author(s)

Jose Gama

References

#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.

Examples

1
2
# Pupil area in mm^2 for diameter = 2 mm
## Not run: illuminance2troland(2)

Want to suggest features or report bugs for rdrr.io? Use the GitHub issue tracker.