tcspace {pavo}R Documentation

Tetrahedral colourspace

Description

Calculates coordinates and colorimetric variables that represent reflectance spectra in the avian tetrahedral color space.

Usage

tcspace(vismodeldata)

Arguments

vismodeldata

(required) quantum catch color data. Can be either the result from vismodel() or independently calculated data (in the form of a data frame with four columns name 'u', 's', 'm', 'l', representing the avian cones).

Value

A data frame of class colspace consisting of the following columns:

Author(s)

Rafael Maia rm72@zips.uakron.edu

References

Stoddard, M. C., & Prum, R. O. (2008). Evolution of avian plumage color in a tetrahedral color space: A phylogenetic analysis of new world buntings. The American Naturalist, 171(6), 755-776.

Endler, J. A., & Mielke, P. (2005). Comparing entire colour patterns as birds see them. Biological Journal Of The Linnean Society, 86(4), 405-431.

Examples

data(sicalis)
vis.sicalis <- vismodel(sicalis, visual = "avg.uv")
tcs.sicalis <- colspace(vis.sicalis, space = "tcs")

[Package pavo version 2.9.0 Index]