Sophie: ghc-colour-devel-2.3.1-1.fc14 i686

ghc-colour-devel-2.3.1-1.fc14.i686.rpm

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<!--Rendered using the Haskell Html Library v0.2-->
<HTML
><HEAD
><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=UTF-8"
><TITLE
>Data.Colour.CIE</TITLE
><LINK HREF="haddock.css" REL="stylesheet" TYPE="text/css"
><SCRIPT SRC="haddock-util.js" TYPE="text/javascript"
></SCRIPT
><SCRIPT TYPE="text/javascript"
>window.onload = function () {setSynopsis("mini_Data-Colour-CIE.html")};</SCRIPT
></HEAD
><BODY
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="topbar"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD
><IMG SRC="haskell_icon.gif" WIDTH="16" HEIGHT="16" ALT=" "
></TD
><TD CLASS="title"
>colour-2.3.1: A model for human colour/color perception</TD
><TD CLASS="topbut"
><A HREF="src/Data-Colour-CIE.html"
>Source code</A
></TD
><TD CLASS="topbut"
><A HREF="index.html"
>Contents</A
></TD
><TD CLASS="topbut"
><A HREF="doc-index.html"
>Index</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="modulebar"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD
><FONT SIZE="6"
>Data.Colour.CIE</FONT
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="section1"
>Description</TD
></TR
><TR
><TD CLASS="doc"
>Colour operations defined by the International Commission on 
 Illumination (CIE).
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="section1"
>Synopsis</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>data</SPAN
>  <A HREF="#t%3AColour"
>Colour</A
> a</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AcieXYZ"
>cieXYZ</A
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFractional"
>Fractional</A
> a =&gt; a -&gt; a -&gt; a -&gt; <A HREF="Data-Colour-CIE.html#t%3AColour"
>Colour</A
> a</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AcieXYZView"
>cieXYZView</A
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFractional"
>Fractional</A
> a =&gt; <A HREF="Data-Colour-CIE.html#t%3AColour"
>Colour</A
> a -&gt; (a, a, a)</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3Aluminance"
>luminance</A
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFractional"
>Fractional</A
> a =&gt; <A HREF="Data-Colour-CIE.html#t%3AColour"
>Colour</A
> a -&gt; a</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AtoCIEXYZ"
>toCIEXYZ</A
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFractional"
>Fractional</A
> a =&gt; <A HREF="Data-Colour-CIE.html#t%3AColour"
>Colour</A
> a -&gt; (a, a, a)</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>data</SPAN
>  <A HREF="#t%3AChromaticity"
>Chromaticity</A
> a</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AmkChromaticity"
>mkChromaticity</A
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFractional"
>Fractional</A
> a =&gt; a -&gt; a -&gt; <A HREF="Data-Colour-CIE.html#t%3AChromaticity"
>Chromaticity</A
> a</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AchromaCoords"
>chromaCoords</A
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFractional"
>Fractional</A
> a =&gt; <A HREF="Data-Colour-CIE.html#t%3AChromaticity"
>Chromaticity</A
> a -&gt; (a, a, a)</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AchromaX"
>chromaX</A
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFractional"
>Fractional</A
> a =&gt; <A HREF="Data-Colour-CIE.html#t%3AChromaticity"
>Chromaticity</A
> a -&gt; a</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AchromaY"
>chromaY</A
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFractional"
>Fractional</A
> a =&gt; <A HREF="Data-Colour-CIE.html#t%3AChromaticity"
>Chromaticity</A
> a -&gt; a</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AchromaZ"
>chromaZ</A
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFractional"
>Fractional</A
> a =&gt; <A HREF="Data-Colour-CIE.html#t%3AChromaticity"
>Chromaticity</A
> a -&gt; a</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AchromaConvert"
>chromaConvert</A
> :: (<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFractional"
>Fractional</A
> b, <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AReal"
>Real</A
> a) =&gt; <A HREF="Data-Colour-CIE.html#t%3AChromaticity"
>Chromaticity</A
> a -&gt; <A HREF="Data-Colour-CIE.html#t%3AChromaticity"
>Chromaticity</A
> b</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AchromaColour"
>chromaColour</A
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFractional"
>Fractional</A
> a =&gt; <A HREF="Data-Colour-CIE.html#t%3AChromaticity"
>Chromaticity</A
> a -&gt; a -&gt; <A HREF="Data-Colour-CIE.html#t%3AColour"
>Colour</A
> a</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3Alightness"
>lightness</A
> :: (<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Ord.html#t%3AOrd"
>Ord</A
> a, <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFloating"
>Floating</A
> a) =&gt; <A HREF="Data-Colour-CIE.html#t%3AChromaticity"
>Chromaticity</A
> a -&gt; <A HREF="Data-Colour-CIE.html#t%3AColour"
>Colour</A
> a -&gt; a</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AcieLABView"
>cieLABView</A
> :: (<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Ord.html#t%3AOrd"
>Ord</A
> a, <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFloating"
>Floating</A
> a) =&gt; <A HREF="Data-Colour-CIE.html#t%3AChromaticity"
>Chromaticity</A
> a -&gt; <A HREF="Data-Colour-CIE.html#t%3AColour"
>Colour</A
> a -&gt; (a, a, a)</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AcieLAB"
>cieLAB</A
> :: (<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Ord.html#t%3AOrd"
>Ord</A
> a, <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFloating"
>Floating</A
> a) =&gt; <A HREF="Data-Colour-CIE.html#t%3AChromaticity"
>Chromaticity</A
> a -&gt; a -&gt; a -&gt; a -&gt; <A HREF="Data-Colour-CIE.html#t%3AColour"
>Colour</A
> a</TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="section1"
>Documentation</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><SPAN CLASS="keyword"
>data</SPAN
>  <A NAME="t:Colour"
><A NAME="t%3AColour"
></A
></A
><B
>Colour</B
> a </TD
><TD CLASS="declbut"
><A HREF="src/Data-Colour-Internal.html#Colour"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="ndoc"
><P
>This type represents the human preception of colour.
 The <TT
>a</TT
> parameter is a numeric type used internally for the
 representation.
</P
><P
>The <TT
><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Monoid.html#t%3AMonoid"
>Monoid</A
></TT
> instance allows one to add colours, but beware that adding
 colours can take you out of gamut.  Consider using <TT
><A HREF="Data-Colour.html#v%3Ablend"
>blend</A
></TT
> whenever
 possible.
</P
></TD
></TR
><TR
><TD CLASS="section4"
><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:Colour')" ALT="show/hide"
> Instances</TD
></TR
><TR
><TD CLASS="body"
><DIV ID="i:Colour" STYLE="display:block;"
><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0"
><TR
><TD CLASS="decl"
><A HREF="Data-Colour.html#t%3AColourOps"
>ColourOps</A
> <A HREF="Data-Colour-CIE.html#t%3AColour"
>Colour</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="Data-Colour.html#t%3AAffineSpace"
>AffineSpace</A
> <A HREF="Data-Colour-CIE.html#t%3AColour"
>Colour</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Eq.html#t%3AEq"
>Eq</A
> a =&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Eq.html#t%3AEq"
>Eq</A
> (<A HREF="Data-Colour-CIE.html#t%3AColour"
>Colour</A
> a)</TD
></TR
><TR
><TD CLASS="decl"
>(<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFractional"
>Fractional</A
> a, <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Text-Read.html#t%3ARead"
>Read</A
> a) =&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Text-Read.html#t%3ARead"
>Read</A
> (<A HREF="Data-Colour-CIE.html#t%3AColour"
>Colour</A
> a)</TD
></TR
><TR
><TD CLASS="decl"
><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFractional"
>Fractional</A
> a =&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Text-Show.html#t%3AShow"
>Show</A
> (<A HREF="Data-Colour-CIE.html#t%3AColour"
>Colour</A
> a)</TD
></TR
><TR
><TD CLASS="decl"
><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3ANum"
>Num</A
> a =&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Monoid.html#t%3AMonoid"
>Monoid</A
> (<A HREF="Data-Colour-CIE.html#t%3AColour"
>Colour</A
> a)</TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:cieXYZ"
><A NAME="v%3AcieXYZ"
></A
></A
><B
>cieXYZ</B
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFractional"
>Fractional</A
> a =&gt; a -&gt; a -&gt; a -&gt; <A HREF="Data-Colour-CIE.html#t%3AColour"
>Colour</A
> a</TD
><TD CLASS="declbut"
><A HREF="src/Data-Colour-CIE.html#cieXYZ"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>Construct a <TT
><A HREF="Data-Colour-CIE.html#t%3AColour"
>Colour</A
></TT
> from XYZ coordinates for the 2&#xb0; standard
 (colourimetric) observer.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:cieXYZView"
><A NAME="v%3AcieXYZView"
></A
></A
><B
>cieXYZView</B
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFractional"
>Fractional</A
> a =&gt; <A HREF="Data-Colour-CIE.html#t%3AColour"
>Colour</A
> a -&gt; (a, a, a)</TD
><TD CLASS="declbut"
><A HREF="src/Data-Colour-CIE.html#cieXYZView"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>Returns the XYZ colour coordinates for the 2&#xb0; standard
 (colourimetric) observer.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:luminance"
><A NAME="v%3Aluminance"
></A
></A
><B
>luminance</B
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFractional"
>Fractional</A
> a =&gt; <A HREF="Data-Colour-CIE.html#t%3AColour"
>Colour</A
> a -&gt; a</TD
><TD CLASS="declbut"
><A HREF="src/Data-Colour-CIE.html#luminance"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>Returns the Y colour coordinate (luminance) for the 2&#xb0; standard
 (colourimetric) observer.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:toCIEXYZ"
><A NAME="v%3AtoCIEXYZ"
></A
></A
><B
>toCIEXYZ</B
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFractional"
>Fractional</A
> a =&gt; <A HREF="Data-Colour-CIE.html#t%3AColour"
>Colour</A
> a -&gt; (a, a, a)</TD
><TD CLASS="declbut"
><A HREF="src/Data-Colour-CIE.html#toCIEXYZ"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><SPAN CLASS="keyword"
>data</SPAN
>  <A NAME="t:Chromaticity"
><A NAME="t%3AChromaticity"
></A
></A
><B
>Chromaticity</B
> a </TD
><TD CLASS="declbut"
><A HREF="src/Data-Colour-CIE-Chromaticity.html#Chromaticity"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="section4"
><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:Chromaticity')" ALT="show/hide"
> Instances</TD
></TR
><TR
><TD CLASS="body"
><DIV ID="i:Chromaticity" STYLE="display:block;"
><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0"
><TR
><TD CLASS="decl"
><A HREF="Data-Colour.html#t%3AAffineSpace"
>AffineSpace</A
> <A HREF="Data-Colour-CIE.html#t%3AChromaticity"
>Chromaticity</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Eq.html#t%3AEq"
>Eq</A
> a =&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Eq.html#t%3AEq"
>Eq</A
> (<A HREF="Data-Colour-CIE.html#t%3AChromaticity"
>Chromaticity</A
> a)</TD
></TR
><TR
><TD CLASS="decl"
>(<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFractional"
>Fractional</A
> a, <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Text-Read.html#t%3ARead"
>Read</A
> a) =&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Text-Read.html#t%3ARead"
>Read</A
> (<A HREF="Data-Colour-CIE.html#t%3AChromaticity"
>Chromaticity</A
> a)</TD
></TR
><TR
><TD CLASS="decl"
><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFractional"
>Fractional</A
> a =&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Text-Show.html#t%3AShow"
>Show</A
> (<A HREF="Data-Colour-CIE.html#t%3AChromaticity"
>Chromaticity</A
> a)</TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:mkChromaticity"
><A NAME="v%3AmkChromaticity"
></A
></A
><B
>mkChromaticity</B
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFractional"
>Fractional</A
> a =&gt; a -&gt; a -&gt; <A HREF="Data-Colour-CIE.html#t%3AChromaticity"
>Chromaticity</A
> a</TD
><TD CLASS="declbut"
><A HREF="src/Data-Colour-CIE-Chromaticity.html#mkChromaticity"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>Constructs <TT
><A HREF="Data-Colour-CIE.html#t%3AChromaticity"
>Chromaticity</A
></TT
> from the CIE little <EM
>x</EM
>, little <EM
>y</EM
>
 coordinates for the 2&#xb0; standard (colourimetric) observer.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:chromaCoords"
><A NAME="v%3AchromaCoords"
></A
></A
><B
>chromaCoords</B
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFractional"
>Fractional</A
> a =&gt; <A HREF="Data-Colour-CIE.html#t%3AChromaticity"
>Chromaticity</A
> a -&gt; (a, a, a)</TD
><TD CLASS="declbut"
><A HREF="src/Data-Colour-CIE-Chromaticity.html#chromaCoords"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>Returns the CIE little <EM
>x</EM
>, little <EM
>y</EM
>, little <EM
>z</EM
> coordinates
 for the 2&#xb0; standard (colourimetric) observer.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:chromaX"
><A NAME="v%3AchromaX"
></A
></A
><B
>chromaX</B
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFractional"
>Fractional</A
> a =&gt; <A HREF="Data-Colour-CIE.html#t%3AChromaticity"
>Chromaticity</A
> a -&gt; a</TD
><TD CLASS="declbut"
><A HREF="src/Data-Colour-CIE-Chromaticity.html#chromaX"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>Returns the CIE little <EM
>x</EM
> coordinate
 for the 2&#xb0; standard (colourimetric) observer.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:chromaY"
><A NAME="v%3AchromaY"
></A
></A
><B
>chromaY</B
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFractional"
>Fractional</A
> a =&gt; <A HREF="Data-Colour-CIE.html#t%3AChromaticity"
>Chromaticity</A
> a -&gt; a</TD
><TD CLASS="declbut"
><A HREF="src/Data-Colour-CIE-Chromaticity.html#chromaY"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>Returns the CIE little <EM
>y</EM
> coordinate
 for the 2&#xb0; standard (colourimetric) observer.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:chromaZ"
><A NAME="v%3AchromaZ"
></A
></A
><B
>chromaZ</B
> :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFractional"
>Fractional</A
> a =&gt; <A HREF="Data-Colour-CIE.html#t%3AChromaticity"
>Chromaticity</A
> a -&gt; a</TD
><TD CLASS="declbut"
><A HREF="src/Data-Colour-CIE-Chromaticity.html#chromaZ"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>Returns the CIE little <EM
>z</EM
> coordinate
 for the 2&#xb0; standard (colourimetric) observer.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:chromaConvert"
><A NAME="v%3AchromaConvert"
></A
></A
><B
>chromaConvert</B
> :: (<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFractional"
>Fractional</A
> b, <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AReal"
>Real</A
> a) =&gt; <A HREF="Data-Colour-CIE.html#t%3AChromaticity"
>Chromaticity</A
> a -&gt; <A HREF="Data-Colour-CIE.html#t%3AChromaticity"
>Chromaticity</A
> b</TD
><TD CLASS="declbut"
><A HREF="src/Data-Colour-CIE-Chromaticity.html#chromaConvert"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>Change the type used to represent the chromaticity coordinates.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:chromaColour"
><A NAME="v%3AchromaColour"
></A
></A
><B
>chromaColour</B
></TD
><TD CLASS="declbut"
><A HREF="src/Data-Colour-CIE.html#chromaColour"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="arg"
>:: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFractional"
>Fractional</A
> a</TD
><TD CLASS="rdoc"
></TD
></TR
><TR
><TD CLASS="arg"
>=&gt; <A HREF="Data-Colour-CIE.html#t%3AChromaticity"
>Chromaticity</A
> a</TD
><TD CLASS="rdoc"
></TD
></TR
><TR
><TD CLASS="arg"
>-&gt; a</TD
><TD CLASS="rdoc"
><TT
><A HREF="Data-Colour-CIE.html#v%3Aluminance"
>luminance</A
></TT
>
</TD
></TR
><TR
><TD CLASS="arg"
>-&gt; <A HREF="Data-Colour-CIE.html#t%3AColour"
>Colour</A
> a</TD
><TD CLASS="rdoc"
></TD
></TR
><TR
><TD CLASS="ndoc" COLSPAN="2"
>Constructs a colour from the given <TT
><A HREF="Data-Colour-CIE.html#t%3AChromaticity"
>Chromaticity</A
></TT
> and <TT
><A HREF="Data-Colour-CIE.html#v%3Aluminance"
>luminance</A
></TT
>.
</TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:lightness"
><A NAME="v%3Alightness"
></A
></A
><B
>lightness</B
></TD
><TD CLASS="declbut"
><A HREF="src/Data-Colour-CIE.html#lightness"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="arg"
>:: (<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Ord.html#t%3AOrd"
>Ord</A
> a, <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFloating"
>Floating</A
> a)</TD
><TD CLASS="rdoc"
></TD
></TR
><TR
><TD CLASS="arg"
>=&gt; <A HREF="Data-Colour-CIE.html#t%3AChromaticity"
>Chromaticity</A
> a</TD
><TD CLASS="rdoc"
>White point
</TD
></TR
><TR
><TD CLASS="arg"
>-&gt; <A HREF="Data-Colour-CIE.html#t%3AColour"
>Colour</A
> a</TD
><TD CLASS="rdoc"
></TD
></TR
><TR
><TD CLASS="arg"
>-&gt; a</TD
><TD CLASS="rdoc"
></TD
></TR
><TR
><TD CLASS="ndoc" COLSPAN="2"
>Returns the lightness of a colour with respect to a given white point.
 Lightness is a perceptually uniform measure.
</TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:cieLABView"
><A NAME="v%3AcieLABView"
></A
></A
><B
>cieLABView</B
></TD
><TD CLASS="declbut"
><A HREF="src/Data-Colour-CIE.html#cieLABView"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="arg"
>:: (<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Ord.html#t%3AOrd"
>Ord</A
> a, <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFloating"
>Floating</A
> a)</TD
><TD CLASS="rdoc"
></TD
></TR
><TR
><TD CLASS="arg"
>=&gt; <A HREF="Data-Colour-CIE.html#t%3AChromaticity"
>Chromaticity</A
> a</TD
><TD CLASS="rdoc"
>White point
</TD
></TR
><TR
><TD CLASS="arg"
>-&gt; <A HREF="Data-Colour-CIE.html#t%3AColour"
>Colour</A
> a</TD
><TD CLASS="rdoc"
></TD
></TR
><TR
><TD CLASS="arg"
>-&gt; (a, a, a)</TD
><TD CLASS="rdoc"
></TD
></TR
><TR
><TD CLASS="ndoc" COLSPAN="2"
>Returns the CIELAB coordinates of a colour, which is a
 perceptually uniform colour space.
 The first coordinate is <TT
><A HREF="Data-Colour-CIE.html#v%3Alightness"
>lightness</A
></TT
>.
 If you don't know what white point to use, use
 Data.Colour.CIE.Illuminant.d65.
</TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:cieLAB"
><A NAME="v%3AcieLAB"
></A
></A
><B
>cieLAB</B
></TD
><TD CLASS="declbut"
><A HREF="src/Data-Colour-CIE.html#cieLAB"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="arg"
>:: (<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Ord.html#t%3AOrd"
>Ord</A
> a, <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3AFloating"
>Floating</A
> a)</TD
><TD CLASS="rdoc"
></TD
></TR
><TR
><TD CLASS="arg"
>=&gt; <A HREF="Data-Colour-CIE.html#t%3AChromaticity"
>Chromaticity</A
> a</TD
><TD CLASS="rdoc"
>White point
</TD
></TR
><TR
><TD CLASS="arg"
>-&gt; a</TD
><TD CLASS="rdoc"
>L* coordinate (lightness)
</TD
></TR
><TR
><TD CLASS="arg"
>-&gt; a</TD
><TD CLASS="rdoc"
>a* coordinate
</TD
></TR
><TR
><TD CLASS="arg"
>-&gt; a</TD
><TD CLASS="rdoc"
>b* coordinate
</TD
></TR
><TR
><TD CLASS="arg"
>-&gt; <A HREF="Data-Colour-CIE.html#t%3AColour"
>Colour</A
> a</TD
><TD CLASS="rdoc"
></TD
></TR
><TR
><TD CLASS="ndoc" COLSPAN="2"
>Returns the colour for given CIELAB coordinates, which is a
 perceptually uniform colour space.
 If you don't know what white point to use, use
 Data.Colour.CIE.Illuminant.d65.
</TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="botbar"
>Produced by <A HREF="http://www.haskell.org/haddock/"
>Haddock</A
> version 2.6.1</TD
></TR
></TABLE
></BODY
></HTML
>