Correlated Color Temperature (CCT) from spectra

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Description

spectra2CCT Correlated Color Temperature (CCT) from spectra.

Usage

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spectra2CCT(SPD=NA, isoTempLinesTable=NA,
CIETable = get("ciexyz31", envir = environment()), TCS = get("TCSdata", 
envir = environment())) 

Arguments

SPD

light source spd

isoTempLinesTable

Iso temperature lines table

CIETable

reference data values

TCS

spectral reflectance data of 14 color test samples for CRI

Value

Correlated Color Temperature (CCT)

Author(s)

Jose Gama

Source

Rensselaer Polytechnic Institute Light Sources and Color Q & A Appendix B: MATLAB script for calculating measures of light source color: CCT, CRI, GA, and FSI http://www.lrc.rpi.edu/programs/nlpip/lightinganswers/lightsources/appendixb1.asp

References

Rensselaer Polytechnic Institute Light Sources and Color Q & A Appendix B: MATLAB script for calculating measures of light source color: CCT, CRI, GA, and FSI http://www.lrc.rpi.edu/programs/nlpip/lightinganswers/lightsources/appendixb1.asp

Examples

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# illuminant A
SPD = illuminants[1:51*2-1,c('wlnm','A')] # every 10 nm
CCT <- spectra2CCT(SPD)
CCT

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