pavo (version 2.9.0)

spec2rgb: Spectrum to rgb colour conversion

Description

Calculates rgb values from spectra based on human colour matching functions.

Usage

spec2rgb(rspecdata, alpha = 1)

Value

A character vector consisting of hexadecimal colour values for passing to further plotting functions.

Arguments

rspecdata

(required) a data frame, possibly of class rspec, which contains a column containing a wavelength range, named 'wl', and spectra data in remaining columns.

alpha

alpha value to use for colours (defaults to 1, opaque).

Author

Hugo Gruson

Chad Eliason

References

CIE(1932). Commission Internationale de l'Eclairage Proceedings, 1931. Cambridge: Cambridge University Press.

Examples

data(teal)
spec2rgb(teal)

# Plot data using estimated perceived colour
plot(teal, col = spec2rgb(teal), type = "overlay")