Lighting Toolbox documentation

cielab2lch

Transforms CIE L*a*b* chromaticity coordinates to the alternative LCh model

Transforms CIE LCh chromaticity coordinates to the alternative L*a*b* model

Reads α-opic image data from the αΩ-meter

Determines the CIE general standard sky type for a given luminance distribution of a Tregenza hemisphere as described by Kobav et al.

Calculates the normalized CIE 1960 Uniform Colour Space (UCS) coordinates u,v,w for a given spectral power distribution

Calculates the transformation of CIE L*a*b* chromaticity coordinates to CIE 1931 x,y,z chromaticity coordinates

Triggers a measurement of a JETI specbos spectroradiometer

Creates a serial connection to a JETI specbos spectroradiometer

Calculates the resulting horizontal and vertical illuminances for a given Tregenza luminance distribution

Read a luminance camera .pf image file.

Creates a false-colour illustration for a given data set

Creates a directogram plot of a Tregenza sky hemisphere

Creates a 2D illustration of the Tregenza sky hemisphere

Creates a statistical evaluation of an arbitrary number of spectra and plots the mean values, standard deviation and the minima and maxima values

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

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

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

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

Transforms spectra to MATLAB/Octave sRGB values

Allows for easy figure export in Matlab and Octave