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>Data.Colour.RGBSpace.HSV</TITLE
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>colour-2.3.1: A model for human colour/color perception</TD
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><A HREF="src/Data-Colour-RGBSpace-HSV.html"
>Source code</A
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>Data.Colour.RGBSpace.HSV</FONT
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><TD CLASS="section1"
>Synopsis</TD
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><TD CLASS="decl"
><SPAN CLASS="keyword"
>data</SPAN
> <A HREF="#t%3ARGB"
>RGB</A
> a</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AhsvView"
>hsvView</A
> :: (<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/Data-Ord.html#t%3AOrd"
>Ord</A
> a) => <A HREF="Data-Colour-RGBSpace-HSV.html#t%3ARGB"
>RGB</A
> a -> (a, a, a)</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3Ahue"
>hue</A
> :: (<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/Data-Ord.html#t%3AOrd"
>Ord</A
> a) => <A HREF="Data-Colour-RGBSpace-HSV.html#t%3ARGB"
>RGB</A
> a -> a</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3Asaturation"
>saturation</A
> :: (<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/Data-Ord.html#t%3AOrd"
>Ord</A
> a) => <A HREF="Data-Colour-RGBSpace-HSV.html#t%3ARGB"
>RGB</A
> a -> a</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3Avalue"
>value</A
> :: (<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/Data-Ord.html#t%3AOrd"
>Ord</A
> a) => <A HREF="Data-Colour-RGBSpace-HSV.html#t%3ARGB"
>RGB</A
> a -> a</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3Ahsv"
>hsv</A
> :: (<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3ARealFrac"
>RealFrac</A
> a, <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Ord.html#t%3AOrd"
>Ord</A
> a) => a -> a -> a -> <A HREF="Data-Colour-RGBSpace-HSV.html#t%3ARGB"
>RGB</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:RGB"
><A NAME="t%3ARGB"
></A
></A
><B
>RGB</B
> a </TD
><TD CLASS="declbut"
><A HREF="src/Data-Colour-RGB.html#RGB"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
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>An RGB triple for an unspecified colour space.
</TD
></TR
><TR
><TD CLASS="section4"
><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:RGB')" ALT="show/hide"
> Instances</TD
></TR
><TR
><TD CLASS="body"
><DIV ID="i:RGB" STYLE="display:block;"
><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0"
><TR
><TD CLASS="decl"
><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Control-Monad.html#t%3AFunctor"
>Functor</A
> <A HREF="Data-Colour-RGBSpace-HSV.html#t%3ARGB"
>RGB</A
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Control-Applicative.html#t%3AApplicative"
>Applicative</A
> <A HREF="Data-Colour-RGBSpace-HSV.html#t%3ARGB"
>RGB</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 => <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Eq.html#t%3AEq"
>Eq</A
> (<A HREF="Data-Colour-RGBSpace-HSV.html#t%3ARGB"
>RGB</A
> a)</TD
></TR
><TR
><TD CLASS="decl"
><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Text-Read.html#t%3ARead"
>Read</A
> a => <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Text-Read.html#t%3ARead"
>Read</A
> (<A HREF="Data-Colour-RGBSpace-HSV.html#t%3ARGB"
>RGB</A
> a)</TD
></TR
><TR
><TD CLASS="decl"
><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Text-Show.html#t%3AShow"
>Show</A
> a => <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Text-Show.html#t%3AShow"
>Show</A
> (<A HREF="Data-Colour-RGBSpace-HSV.html#t%3ARGB"
>RGB</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:hsvView"
><A NAME="v%3AhsvView"
></A
></A
><B
>hsvView</B
> :: (<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/Data-Ord.html#t%3AOrd"
>Ord</A
> a) => <A HREF="Data-Colour-RGBSpace-HSV.html#t%3ARGB"
>RGB</A
> a -> (a, a, a)</TD
><TD CLASS="declbut"
><A HREF="src/Data-Colour-RGBSpace-HSV.html#hsvView"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>Returns the HSV (hue-saturation-value) coordinates of an <TT
><A HREF="Data-Colour-RGBSpace-HSV.html#t%3ARGB"
>RGB</A
></TT
> triple.
See <TT
><A HREF="Data-Colour-RGBSpace-HSV.html#v%3Ahue"
>hue</A
></TT
>, <TT
><A HREF="Data-Colour-RGBSpace-HSV.html#v%3Asaturation"
>saturation</A
></TT
>, and <TT
><A HREF="Data-Colour-RGBSpace-HSV.html#v%3Avalue"
>value</A
></TT
>.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:hue"
><A NAME="v%3Ahue"
></A
></A
><B
>hue</B
> :: (<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/Data-Ord.html#t%3AOrd"
>Ord</A
> a) => <A HREF="Data-Colour-RGBSpace-HSV.html#t%3ARGB"
>RGB</A
> a -> a</TD
><TD CLASS="declbut"
><A HREF="src/Data-Colour-RGB.html#hue"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>The <TT
><A HREF="Data-Colour-RGBSpace-HSV.html#v%3Ahue"
>hue</A
></TT
> coordinate of an <TT
><A HREF="Data-Colour-RGBSpace-HSV.html#t%3ARGB"
>RGB</A
></TT
> value is in degrees. Its value is
always in the range 0-360.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:saturation"
><A NAME="v%3Asaturation"
></A
></A
><B
>saturation</B
> :: (<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/Data-Ord.html#t%3AOrd"
>Ord</A
> a) => <A HREF="Data-Colour-RGBSpace-HSV.html#t%3ARGB"
>RGB</A
> a -> a</TD
><TD CLASS="declbut"
><A HREF="src/Data-Colour-RGBSpace-HSV.html#saturation"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>Returns the saturation coordinate of an <TT
><A HREF="Data-Colour-RGBSpace-HSV.html#t%3ARGB"
>RGB</A
></TT
> triple for the HSV
(hue-saturation-value) system.
Note: This is different from Data.Colour.RGBSpace.HSL.saturation for
the <A HREF="Data-Colour-RGBSpace-HSL.html"
>Data.Colour.RGBSpace.HSL</A
>
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:value"
><A NAME="v%3Avalue"
></A
></A
><B
>value</B
> :: (<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/Data-Ord.html#t%3AOrd"
>Ord</A
> a) => <A HREF="Data-Colour-RGBSpace-HSV.html#t%3ARGB"
>RGB</A
> a -> a</TD
><TD CLASS="declbut"
><A HREF="src/Data-Colour-RGBSpace-HSV.html#value"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>Returns the value coordinate of an <TT
><A HREF="Data-Colour-RGBSpace-HSV.html#t%3ARGB"
>RGB</A
></TT
> triple for the HSV
(hue-saturation-value) system.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:hsv"
><A NAME="v%3Ahsv"
></A
></A
><B
>hsv</B
> :: (<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3ARealFrac"
>RealFrac</A
> a, <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Ord.html#t%3AOrd"
>Ord</A
> a) => a -> a -> a -> <A HREF="Data-Colour-RGBSpace-HSV.html#t%3ARGB"
>RGB</A
> a</TD
><TD CLASS="declbut"
><A HREF="src/Data-Colour-RGBSpace-HSV.html#hsv"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>Convert HSV (hue-saturation-value) coordinates to an <TT
><A HREF="Data-Colour-RGBSpace-HSV.html#t%3ARGB"
>RGB</A
></TT
> value.
Hue is expected to be measured in degrees.
</TD
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><TR
><TD CLASS="s15"
></TD
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