Learn R Programming

⚠️There's a newer version (1.0.8) of this package.Take me there.

colorscience (version 1.0.2)

Color Science Methods and Data

Description

Methods and data for color science - color conversions by observer, illuminant and gamma. Color matching functions and chromaticity diagrams. Color indices, color differences and spectral data conversion/analysis.

Copy Link

Version

Install

install.packages('colorscience')

Monthly Downloads

699

Version

1.0.2

License

GPL (>= 3)

Maintainer

Jose Gama

Last Published

February 28th, 2016

Functions in colorscience (1.0.2)

CIE1931xy2CIE1976uv

Convert CIE 1931 xy color space to CIE 1976 uv color space

ChromaticAdaptation

Chromatic adaptation algorithms

Table with Munsell Hues

CIE1976uv2CIE1960uv

CIE-1976 u'v' to CIE-1960 uv

Munsell value to CIE XYZ "Y"

Convert RGB coordinates to PhotoYCC

Convert sRGB coordinates to hue

Convert RGB coordinates to YUV

CIE 1931 2-deg, XYZ CMFs

convert RGB to DKL

Convert PhotoYCC to RGB

xy2CCT.HernandezAndres

convert from chromaticity coordinates to correlated color temperature (Hernandez Andres)

ASTM.E313.Whiteness

ASTM E313 Whiteness

CIEluminanceY2NCSblackness

approximated NCS blackness s by the CIE luminance factor Y

Convert CIE 1960 UCS color space to 1960 xy color space

ColorBlockFromMunsell

convert Munsell notation to numeric HVC

DIN6167.YellownessIndex

NickersonColorDifference

Nickerson Color Difference

MunsellSpectral

Table with Munsell spectral data

Convert RGB coordinates to YPbPr

SmithPokorny2degConeFundamentals1975

Smith & Pokorny (1975) 2-deg cone fundamentals

StockmanSharpe10degCMFS2000

Stockman & Sharpe (2000) 10-deg cone fundamentals

convert from XYZ coordinates to Hunter Lab coordinates

StockmanMacLeodJohnson10degConeFundamentals1993

Stockman & Sharpe (2000) 10-deg cone fundamentals

convert from Yuv coordinates to xy coordinates

Convert YCbCr coordinates to RGB

XYZMoonSpencer1945

Approximations from wavelengths to XYZ by Moon & Spencer

convert foot candle to Lumens/lux

spectra2ISObrightness

Diffuse blue reflectance factor (ISO brightness)

Primaries for RGB color spaces

daylightcomponents

daylight components

convert from chromaticity coordinates to correlated color temperature

convert spectral data to tristimulus values

ASTM.E313.YellownessIndex

ASTM E313 Yellowness

Berger59.Whiteness

Berger (59) Whiteness

CIE1931xy2CIE1960uv

Convert CIE 1931 xy color space to CIE 1960 uv color space

CIE1976uvSaturation

CIE 1976 uv Saturation

CIE 1976 chroma formula for CIELab and CIELuv

Tint indices: CIE Tint and ASTM E313 Tint

Convert HSV coordinates to RGB

Convert CIE Luv coordinates to CIE Lab

Munsell100hues55FM100

Munsell 100-Hues at 5/5, production numbers 101 to 200 and Farnsworth-Munsell 100 Hue test

Convert HSL coordinates to RGB

StockmanSharpe2degCMFadj2000

Stockman & Sharpe (2000) 2-deg cone fundamentals

convert from XYZ coordinates to CIE Luv coordinates

convert from XYZ to three filter measurements (reflectance factors)

Relative spectral power distributions of CIE illuminant A at 1 nm interval

VosWalraven2degConeFundamentals1971

Vos & Walraven(1971) 2-deg cone fundamentals

Convert LCHuv coordinates to CIE Luv

xyChromaticitiesVos1978

x, y coordinates transformed to Judd (1951) x', y' system

whitepointsilluminants

White points of standard illuminants

CIE1931XYZ2CIE1931xyz

Convert CIE 1931 XYZ color space to CIE 1931 xyz color space

GanzGrieser.Whiteness

Ganz and Grieser Whiteness

Convert LMS coordinates to RGB

Convert sRGB coordinates to CMY

Convert RGB coordinates to LSLM

Convert RGB coordinates to YIQ

Convert sRGB coordinates to XYZ

Convert RGB coordinates to HSL

convert from three filter measurements (reflectance factors) to XYZ

Stensby68.Whiteness

Stensby Whiteness

WestlandBlacknessIndex

Westland, et al. blackness index

convert from Yxy coordinates to CIE 1960 UCS

chromaticity.diagram.color

Plot the chromaticity diagram line with color

Delta E (CIE 2000)

makeChromaticAdaptationMatrix

Generate a Chromatic Adaptation matrix

Internal colorscience functions

saturationCIELUV

CIELUV/CIELAB saturation

tristimulusMunsell

434 Munsell colors with tristimulus and CMFs for a few illuminants

footcandle2watt.sqcentimeter

converts foot candle to watts / square centimeter

Convert YUV coordinates to RGB

CIE1976hueangle

CIE 1976 hue angle formula for CIELab and CIELuv

MaxChromasForStandardMunsellHuesAndValues

Table with maximum Munsell chroma, for a given Munsell hue and value, for which an extrapolated renotation value is available

CIE1931XYZ2CIE1960uv

Convert CIE 1931 XYZ color space to CIE 1960 uv color space

Maxwell.triangle

Plot the Maxwell triangle

Convert CIE Luv coordinates to LCHuv

Convert RGB coordinates to LEF

Taube60.Whiteness

Taube Whiteness

The spectral reflectance data of 14 color test samples for CRI

Y2MunsellVtable1D1535

CIE XYZ "Y" to Munsell value formula, based on the ASTM Standard D1535-08

XYZTannenbaum1974

Approximations from wavelengths to XYZ by Tannenbaum 1974

Convert CIE Luv coordinates to XYZ

Illuminance (Lux) from spectra

Interpolates an n by w matrix of spectra, sprague

Approximations from wavelengths to XYZ by Wyman et al

ISObrightnessReflectometerRSD

Weighting factors for the calculation of ISO brightness

Convert YCbCr coordinates to RGB

Relative spectral power distributions of CIE illuminant D65 at 1 nm interval

Convert CIE Lab coordinates to XYZ

convert from Yxy coordinates to Yuv coordinates

Hunter60.WhitenessIndex

Hunter 60 Whiteness Index

Convert LSLM coordinates to RGB

PreucilPercentGreyness

Preucil Percentage of Greyness

Convert CCT to XYZ

DominantWavelength

Convert CMY coordinates to CMYK

Convert RGB coordinates to YCbCr

Convert CMYK coordinates to RGB

StearnsStearnscorrection

Stearns and Stearns correction

CIE (1931) 2-deg chromaticity coordinates

Convert XYZ coordinates to LMS

ASTM.D1925.YellownessIndex

ASTM D 1925 Yellowness Index for Plastics

convert from BVR coordinates to XYZ temperature (Robertson)

CheckColorLookup

convert Munsell notation to numeric HVC

Convert LCHab coordinates to CIE Lab

CIE XYZ "Y" to Munsell value

convert from XYZ coordinates to BVR

convert from XYZ coordinates to CIE RGB coordinates

Convert Yuv coordinates to Luv

CIE1976uv2CIE1931xy

CIE-1976 u'v' to CIE-1931 xy

MunsellNeutrals2sRGB

Table with Munsell Neutrals and corresponding sRGB

Approximates wavelength to CIE tristimulus XYZ

Convert CMYK coordinates to CMY

CentralsISCCNBS

Central notations for the revised ISCC-NBS

CIE1960UCS2CIE1964

Convert CIE 1960 UCS color space to CIE 1964 color space

huedegreemunsell

Table with Munsell hue degrees

convert from XYZ coordinates to xyY coordinates

Convert Hue to RGB

MaterialReferenceData

Material Reference Data from Principles of Digital Image Synthesis

Convert LEF coordinates to RGB

Conversion from CIELAB color space to DIN99 coordinates

Convert CMY coordinates to CMYK

Relative spectral power distributions of CIE illuminants at 5 nm interval

Convert LMS coordinates to XYZ

Convert RGB coordinates to HSV

Convert CIE Lab coordinates to CIE Luv

MunsellV2relativeLuminanceY

Munsell value V to relative luminance Y

DeMarcoPokornySmith2degConeFundamentals1992

DeMarco, Pokorny & Smith (1992) versions of the Smith-Pokorny 2-deg fundamentals

XYZperfectreflectingdiffuser

Perfect reflecting diffuser data

compuphaseDifferenceRGB

compuphase Difference RGB

Delta E (CIE 1976)

Convert LMS coordinates to DKL

Convert RGB coordinates to LMS

Convert HunterLab coordinates to XYZ

StockmanMacLeodJohnson2degStilesBurchConeFundamentals1993

Stockman, MacLeod & Johnson (1993) 2-deg fundamentals

XYZ2CCT.Robertson

convert from chromaticity coordinates to correlated color temperature (Robertson)

GanzGrieser.Tint

Ganz and Grieser Tint

emittanceblackbodyPlanck

emittance of a black body of temperature T at a given wavelength

conversionIlluminance

Conversion Factors for Units of Illuminance

StockmanMacLeodJohnson2degCIEadjConeFundamentals1993

Stockman, MacLeod & Johnson (1993) 2-deg cone fundamentals

Blackbody radiator color temperature to CIE 1931 x,y chromaticity approximation function

Convert CIE Lab coordinates to LCHab

CIE1931XYZ2CIE1976uv

Convert CIE 1931 XYZ color space to CIE 1976 uv color space

Delta E (CIE 1994)

CIE (1964) 10-deg chromaticity coordinates

footcandle2candela.steradian.sqmeter

converts foot candle to candela steradian / square meter

convert from XYZ coordinates to Yuv coordinates

convert Munsell hue to degree

Correlated Color Temperature (CCT) from spectra

MunsellSpecToHVC

convert Munsell notation to numeric HVC

Munsell100hues55

Chromaticity diagram showing values for x and y for Illuminant A for 100 hues at 5/5

convert RGB to DKL

ISCC-NBS System

convert from XYZ coordinates to CIE Lab coordinates

convert from Yuv coordinates to XYZ coordinates

conversionLuminance

Conversion Factors for Units of Luminance

chromaticity.diagram

Plot the chromaticity diagram

Convert CIE Luv coordinates to Yuv

convert from XYZ coordinates to RGB

Convert CIE CMF to XYZ

spectra2CRIGAIFSCI

CRI, GAI and FSCI from spectra

MaxChromaFromExtrapRenotationData

Table with maximum chroma for which extrapolated renotation data is available

saturationCIECAM02

saturation CIECAM 2002

PreucilPercentHueError

Preucil Percentage of Greyness

VosEstevezWalraven2degConeFundamentals1990

Vos, Estévez & Walraven (1990) 2-deg cone fundamentals

saturationCIELABEvaLubbe

CIELAB saturation (Eva Lubbe)

createIsoTempLinesTable

table of isotemperature lines for use with the Robertson Method

converts between spherical and cartesian coordinates for DKL

CIE 1964 10-deg, XYZ CMFs

Convert YIQ coordinates to RGB

heuristic.wlnm2RGB

Approximations from wavelengths to RGB

Conversion from DIN99 coordinates to CIELAB color space