segspace {pavo} | R Documentation |
Segment classification
Description
Calculates segment classification measures as defined in Endler (1990).
Usage
segspace(vismodeldata)
Arguments
vismodeldata |
(required) quantum catch color data. Can be either the
result from |
Value
A data frame of class colspace
consisting of the following columns:
-
S1
,S2
,S3
,S4
: the relative reflectance at each of the four segments. -
LM
,MS
: segment scores -
C
,H
,B
: 'chroma', 'hue' (degrees), and 'brightness' in the segment classification space
Author(s)
Thomas E. White thomas.white026@gmail.com
Pierre-Paul Bitton bittonp@uwindsor.ca
References
Endler, J. A. (1990) On the measurement and classification of colour in studies of animal colour patterns. Biological Journal of the Linnean Society, 41, 315-352.
Examples
data(sicalis)
vis.sic <- vismodel(sicalis, visual = "segment", achromatic = "all")
seg.sic <- colspace(vis.sic, space = "segment")