spectra2CCT function

Correlated Color Temperature (CCT) from spectra

spectra2CCT Correlated Color Temperature (CCT) from spectra.

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

Returns

Correlated Color Temperature (CCT)

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 https://www.lrc.rpi.edu/programs/nlpip/lightinganswers/pdf/print/lightsources.pdf

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 https://www.lrc.rpi.edu/programs/nlpip/lightinganswers/pdf/print/lightsources.pdf

Author(s)

Jose Gama

Examples

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