colorSpec: Color Calculations with Emphasis on Spectral Data
Calculate with spectral properties of light sources, materials, cameras, eyes, and scanners. Build complex systems from simpler parts using a spectral product algebra. For light sources, compute CCT, CRI, SSI, and IES TM-30 reports. For object colors, compute optimal colors and Logvinenko coordinates. Work with the standard CIE illuminants and color matching functions, and read spectra from text files, including CGATS files. Estimate a spectrum from its response. A user guide and 9 vignettes are included.
| Version: | 1.8-0 |
| Depends: | R (≥ 4.0.0) |
| Imports: | logger |
| Suggests: | spacesXYZ (≥ 1.5-1),rootSolve,MASS,quadprog,rgl,spacesRGB,zonohedra (≥ 0.4-0),microbenchmark,arrangements,knitr,rmarkdown,png |
| Enhances: | plyr |
| Published: | 2025-06-10 |
| DOI: | 10.32614/CRAN.package.colorSpec |
| Author: | Glenn Davis [aut, cre] |
| Maintainer: | Glenn Davis <gdavis at gluonics.com> |
| License: | GPL (≥ 3) |
| Copyright: | see fileCOPYRIGHTS |
| NeedsCompilation: | no |
| Citation: | colorSpec citation info |
| Materials: | README,NEWS |
| CRAN checks: | colorSpec results |
Documentation:
| Reference manual: | colorSpec.html ,colorSpec.pdf |
| Vignettes: | colorSpec User Guide (source,R code)
Phenol Red - pH Indicator (source,R code)
Photon Counting (source,R code)
Blue Flame and Green Comet - being a Spectral Analysis of Comet Vapor (source,R code)
Convexity and Transitions (source,R code)
Emulation of one Camera by another Camera (source,R code)
Viewing Object Colors in a Gallery (source,R code)
Estimating a Spectrum from its Response - Inverse Colorimetry (source,R code)
The Effect of the Aging Human Lens on Color Vision (source,R code)
Plotting Chromaticity Loci of Optimal and Schrodinger Colors - the MacAdam Limits (source,R code)
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