Colour Vision Models

---

Documentation for package ‘colourvision’ version 2.1.0

• DESCRIPTION file.
• User guides, package vignettes and other documentation.
• Package NEWS.

Help Pages

colourvision-package	Colour Vision Models
bee	Honeybee photoreceptors
colourvision	Colour Vision Models
colour_space	N-dimensional colour spaces
CTTKhexagon	Chittka (1992) colour hexagon
CTTKhexagon3D	Chittka (1992) colour space for tetrachromatic animals.
CTTKmodel	Chittka (1992) colour vision model
D65	CIE Standard Illuminant D65 in quantum flux (umol/m2/s)
deltaS	Chromaticity distances
EMline	Endler and Mielke (2005) 1-D colour space
EMmodel	Endler and Mielke (2005) colour vision model
EMtetrahedron	Endler and Mielke (2005) tetrahedron colour space
EMtriangle	Endler and Mielke (2005) triangle colour space
energytoflux	Irradiance from energy to quantum units.
GENmodel	N-dimensional generic colour vision model
GENplot	Generic model colour space 2D and 1D plot
GENplot3d	Generic model colour space 3D plot
logistic	Logistic curve
noise_e	Receptor noise
photor	Photoreceptor sensitivity spectra.
plot.colourvision	Plot colour vision models into chromaticity diagrams
plot3d.colourvision	Plot colour vision models into 3D chromaticity diagrams.
Q	Total photon capture
Qr	Photoreceptor relative quantum catch
radarplot	Radar plot
Rb	Brazilian savannah background reflectance spectrum.
RNLachrom	Weber achromatic contrast for the Receptor Noise Limited Model (Vorobyev & Osorio 1998)
RNLmodel	Receptor Noise Limited Models (Vorobyev & Osorio 1998)
RNLplot	Receptor noise limited model 2D and 1D plot
RNLplot3d	Receptor noise limited model 3D plot
RNLthres	Colour thresholds based on the Receptor Noise Limited Model (Vorobyev & Osorio 1998).
spec.denoise	Smooth function for reflectance spectra.