colorscience (version 1.0.8)

spectra2CRIGAIFSCI: CRI, GAI and FSCI from spectra

Description

spectra2CRIGAIFSCI Color Rendering Index (CRI), Gamut Area Index (GAI) and full spectrum index (FSCI) from spectra.

Usage

spectra2CRIGAIFSCI(SPD=NA, isoTempLinesTable=NA, CCT=NA, 
CIETable = get("ciexyz31", envir = environment()), TCS = get("TCSdata", 
envir = environment()))

Arguments

SPD

light source spd

isoTempLinesTable

Iso temperature lines table

CCT

Correlated Color Temperature (CCT)

CIETable

reference data values

TCS

spectral reflectance data of 14 color test samples for CRI

Value

CRI, GAI and FSCI

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

# NOT RUN {
# illuminant A
# }
# NOT RUN {
SPD = illuminants[1:51*2-1,c('wlnm','A')] # every 10 nm
isoTempLinesTable <- createIsoTempLinesTable(SPD)
CCT <- spectra2CCT(SPD)
spectra2CRIGAIFSCI(SPD, isoTempLinesTable, CCT)
spectra2CRIGAIFSCI(SPD, isoTempLinesTable)
spectra2CRIGAIFSCI(SPD)
# }