plotcribar
Plots the special colour rendering indices which form the general colour rendering index
tregenzaskytype
Determines the CIE general standard sky type for a given luminance distribution of a Tregenza hemisphere
polardataCCT
Calculates the resulting horizontal and vertical Correlated Colour Temperatures from the Tregenza radiance distribution with 145 patches and the colour coordinates x and y
ciexyY2XYZ
Determines the CIE cone-fundamental-tristimulus values X,Y,Z from CIE 1931 x and y chromaticity coordinates and the corresponding photometric unit Y
colours
Creates a n x 3 colour-matrix
south
Returns the (UTC) for True Solar Time (TST) 12:00 according to DIN EN 17037
cielab2lch
Transforms CIE L*a*b* chromaticity coordinates to the alternative LCh model
cielch2lab
Transforms CIE LCh chromaticity coordinates to the alternative L*a*b* model
readaopic
Reads α-opic image data from the αΩ-meter
kobavskytype
Determines the CIE general standard sky type for a given luminance distribution of a Tregenza hemisphere as described by Kobav et al.
ciespec2uvw
Calculates the normalized CIE 1960 Uniform Colour Space (UCS) coordinates u,v,w for a given spectral power distribution
cielab2xyz
Calculates the transformation of CIE L*a*b* chromaticity coordinates to CIE 1931 x,y,z chromaticity coordinates
jetimeas
Triggers a measurement of a JETI specbos spectroradiometer
jeticon
Creates a serial connection to a JETI specbos spectroradiometer
polardataE
Calculates the resulting horizontal and vertical illuminances for a given Tregenza luminance distribution
readpfimage
Read a luminance camera .pf image file.
plotfalsecolours
Creates a false-colour illustration for a given data set
plotskydirecto
Creates a directogram plot of a Tregenza sky hemisphere
plottregenza
Creates a 2D illustration of the Tregenza sky hemisphere
plotspecrange
Creates a statistical evaluation of an arbitrary number of spectra and plots the mean values, standard deviation and the minima and maxima values