plotgrid

Creates an iso-line, iso-colour or false-colour plot for a given mesh-grid and the according data

plotisocolours

Creates an isoline false colour illustration for a given data distribution on a surface

plotisolines

Creates an isoline illustration for a given data distribution on a surface

hyperspec2unit

Derives a photometric or radiometric image from a hyper-spectral image matrix

spec2srgb

Transforms spectra to MATLAB/Octave sRGB values

saveplot

Allows for easy figure export in Matlab and Octave

readldt

Imports the luminous intensity distribution curve from EULUMDAT files

cieuv2cct

Calculates the Correlated Colour Temperature (CCT) from given CIE 1960 chromaticity coordinates u and v

ciespec2cct

Derives the Correlated Colour Temperature (CCT) for a given spectral power distribution (SPD)

chromad

Calculates chromatic adaptation matrices for the CIE 1931 x,y,z chromaticity

ciecri

Determines the colour rendering index

ciecfi

Determines the colour fidelity index

ciecct2spec

Calculates the corresponding spectral daylight distribution for a given CCT

plotorder

Plots several graphs in user defined colours, line styles and markers

plotspec

Plots a given spectrum with corresponding colours in the visible wavelength part

cieblh

Evaluates the Blue Light Hazard for a given spectral radiance L according to CIE S 009

ciespec

Contains various reference spectra provided by the CIE