specbandwidth

The specbandwidth function determines the bandwidth of a narrowband spectral power distributions (SPDs) at one half peak maximum or other thresholds.

speccentroid

The speccentroid function determines the spectral centroid or “center of mass” for any given spectral power distribution.

specpeak

The specpeak function determines the spectral peak wavelength for any given spectral power distribution.

specspread

The specspread functions determines the standard deviation of spectral centroids, also called spectral spread.

speceval

The speceval function evaluates spectral power distribution(s) for several parameters.

planck

Calculates the spectral radiant exitance M of a Planck radiator for a given black body temperature

ciespec2Y

Calculates the integrated photometric value Y of a V(λ) weighted spectral power distribution

ciespec2unit

Weights given spectra with provided reference weighting functions and returns the integrated values

ciek

Returns the α-opic or blue light hazard luminous efficacy K for any given spectral power distribution

hyperspec2srgb

Creates a sRGB colour image from a hyperspectral image matrix

plotspecslice

Creates an illustration of spectral false colour slices of several input spectra

jetiaim

Enables the target laser in a JETI specbos spectroradiometer

jetioff

Disables the target laser in a JETI specbos spectroradiometer

jetimeas

Triggers a measurement of a JETI specbos spectroradiometer

jeticon

Creates a serial connection to a JETI specbos spectroradiometer

plotspecrange

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

hyperspec2unit

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

spec2srgb

Transforms spectra to MATLAB/Octave sRGB values

ciespec2cct

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

ciecct2spec

Calculates the corresponding spectral daylight distribution for a given CCT