RGB2XYZ: Convert sRGB coordinates to XYZ

Description Usage Arguments Value Author(s) Source References Examples

View source: R/colorscience.R

Description

RGB2XYZ Converts sRGB coordinates to XYZ.

Usage

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RGB2XYZ(RGBmatrix, illuminant = "D65", observer = 2, RefWhite
                 = get("XYZperfectreflectingdiffuser", envir = environment()),
                 RGBModel = "sRGB", RefWhiteRGB = get("whitepointsRGB",
                 envir =environment()), gamma = NA,
                 RefWhiteIllum = get("XYZperfectreflectingdiffuser",
                 envir = environment()), CAT = "Bradford",
                 CATarray = get("ChromaticAdaptation", envir = environment())) 

Arguments

RGBmatrix

sRGB coordinates

illuminant

illuminant

observer

observer

RefWhite

White Reference

RGBModel

RGB Model

RefWhiteRGB

White Reference RGB

gamma

gamma

RefWhiteIllum

White Reference illuminant

CAT

Chromatic Adaptation algorithm

CATarray

Chromatic Adaptation data

Value

CIE XYZ coordinates

Author(s)

Jose Gama

Source

Logicol S.r.l., 2014 EasyRGB color search engine http://www.easyrgb.com/

References

Logicol S.r.l., 2014 EasyRGB color search engine http://www.easyrgb.com/

Examples

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RGB2XYZ(c(0.310897, 0.306510, 74.613450))

Example output

Loading required package: Hmisc
Loading required package: lattice
Loading required package: survival
Loading required package: Formula
Loading required package: ggplot2

Attaching package: 'Hmisc'

The following objects are masked from 'package:base':

    format.pval, round.POSIXt, trunc.POSIXt, units

Loading required package: munsellinterpol
Loading required package: geometry
Loading required package: magic
Loading required package: abind
Loading required package: pracma

Attaching package: 'pracma'

The following object is masked from 'package:munsellinterpol':

    hypot

The following objects are masked from 'package:geometry':

    dot, polyarea

The following object is masked from 'package:magic':

    magic

The following object is masked from 'package:Hmisc':

    ceil

Loading required package: sp

Attaching package: 'colorscience'

The following objects are masked from 'package:munsellinterpol':

    XYZ2xyY, xyY2XYZ

         [,1]     [,2]     [,3]
[1,] 4966.555 1986.669 26156.88

colorscience documentation built on Oct. 30, 2019, 9:33 a.m.