Applies the fly categorical colour vision model of Troje (1993)
Usage
categorical(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 representing a tetrachromatic dipteran viewer).
Value
Object of class colspace consisting of the following columns:R7p, R7y, R8p, R8y: the quantum catch data used to
calculate the remaining variables.x, y: cartesian coordinates in the categorical colour space.r.vec: the r vector (saturation, distance from the center).category: fly-colour category. One of p-y-, p-y+, p+y-, p+y+.
References
Troje N. (1993). Spectral categories in the learning behaviour
of blowflies. Zeitschrift fur Naturforschung C, 48, 96-96.