categorical {pavo} | R Documentation |
Categorical fly-visual model
Description
Applies the categorical colour vision model of Troje (1993)
Usage
categorical(vismodeldata)
Arguments
vismodeldata |
(required) quantum catch color data. Can be either the result
from |
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). -
h.theta
: angle theta (in radians), a continuous measure of stimulus hue. -
category
: fly-colour category. One ofp-y-
,p-y+
,p+y-
,p+y+
.
Author(s)
Thomas White thomas.white026@gmail.com
References
Troje N. (1993). Spectral categories in the learning behaviour of blowflies. Zeitschrift fur Naturforschung C, 48, 96-96.
Examples
data(flowers)
vis.flowers <- vismodel(flowers, visual = "musca", achromatic = "md.r1")
cat.flowers <- colspace(vis.flowers, space = "categorical")