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<TITLE>The Synthesis ToolKit in C++ (STK)</TITLE>
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<h1>Noise Class Reference</h1><code>#include &lt;<a class="el" href="Noise_8h-source.html">Noise.h</a>&gt;</code>
<p>
<p>Inheritance diagram for Noise:
<p><center><img src="classNoise.png" usemap="#Noise_map" border="0" alt=""></center>
<map name="Noise_map">
<area href="classGenerator.html" alt="Generator" shape="rect" coords="0,56,69,80">
<area href="classStk.html" alt="Stk" shape="rect" coords="0,0,69,24">
<area href="classSubNoise.html" alt="SubNoise" shape="rect" coords="0,168,69,192">
</map>
<a href="classNoise-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
STK noise generator.
<p>
Generic random number generation using the C rand() function. The quality of the rand() function varies from one OS to another.<p>
by Perry R. Cook and Gary P. Scavone, 1995 - 2004.
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<p>
Definition at line <a class="el" href="Noise_8h-source.html#l00018">18</a> of file <a class="el" href="Noise_8h-source.html">Noise.h</a>.<table border=0 cellpadding=0 cellspacing=0>
<tr><td></td></tr>
<tr><td colspan=2><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a0" doxytag="Noise::Noise" ></a>
&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="classNoise.html#a0">Noise</a> ()</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Default constructor which seeds the random number generator with the system time. <br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="classNoise.html#a1">Noise</a> (unsigned int seed)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Constructor which seeds the random number generator with a given seed. </em> <a href="#a1"></a><em><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a2" doxytag="Noise::~Noise" ></a>
virtual&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="classNoise.html#a2">~Noise</a> ()</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Class destructor. <br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="classNoise.html#a3">setSeed</a> (unsigned int seed=0)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Seed the random number generator with a specific seed value. </em> <a href="#a3"></a><em><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a4" doxytag="Noise::tick" ></a>
virtual StkFloat&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="classNoise.html#a4">tick</a> ()</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return a random number between -1.0 and 1.0 using rand(). <br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a5" doxytag="Noise::tick" ></a>
virtual StkFloat *&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="classNoise.html#a5">tick</a> (StkFloat *vector, unsigned int vectorSize)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Compute <em>vectorSize</em> outputs and return them in <em>vector</em>. <br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>virtual <a class="el" href="classStkFrames.html">StkFrames</a> &amp;&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="classNoise.html#a6">tick</a> (<a class="el" href="classStkFrames.html">StkFrames</a> &amp;frames, unsigned int channel=1)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Fill a channel of the <a class="el" href="classStkFrames.html">StkFrames</a> object with computed outputs. </em> <a href="#a6"></a><em><br><br></td></tr>
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<hr><h2>Constructor &amp; Destructor Documentation</h2>
<a class="anchor" name="a1" doxytag="Noise::Noise" ></a><p>
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<td class="md" nowrap valign="top"> Noise::Noise </td>
<td class="md" valign="top">(&nbsp;</td>
<td class="md" nowrap valign="top">unsigned int&nbsp;</td>
<td class="mdname1" valign="top" nowrap> <em>seed</em> </td>
<td class="md" valign="top">&nbsp;)&nbsp;</td>
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<p>
Constructor which seeds the random number generator with a given seed.
<p>
If the seed value is zero, the random number generator is seeded with the system time. </td>
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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="a3" doxytag="Noise::setSeed" ></a><p>
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<td class="md" nowrap valign="top"> void Noise::setSeed </td>
<td class="md" valign="top">(&nbsp;</td>
<td class="md" nowrap valign="top">unsigned int&nbsp;</td>
<td class="mdname1" valign="top" nowrap> <em>seed</em> = 0 </td>
<td class="md" valign="top">&nbsp;)&nbsp;</td>
<td class="md" nowrap></td>
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&nbsp;
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<p>
Seed the random number generator with a specific seed value.
<p>
If no seed is provided or the seed value is zero, the random number generator is seeded with the current system time. </td>
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<a class="anchor" name="a6" doxytag="Noise::tick" ></a><p>
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<td class="md" nowrap valign="top"> virtual <a class="el" href="classStkFrames.html">StkFrames</a>&amp; Noise::tick </td>
<td class="md" valign="top">(&nbsp;</td>
<td class="md" nowrap valign="top"><a class="el" href="classStkFrames.html">StkFrames</a> &amp;&nbsp;</td>
<td class="mdname" nowrap> <em>frames</em>, </td>
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<td class="md" nowrap>unsigned int&nbsp;</td>
<td class="mdname" nowrap> <em>channel</em> = 1</td>
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<td class="md">)&nbsp;</td>
<td class="md" colspan="2"><code> [virtual]</code></td>
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<p>
Fill a channel of the <a class="el" href="classStkFrames.html">StkFrames</a> object with computed outputs.
<p>
The <code>channel</code> argument should be one or greater (the first channel is specified by 1). An <a class="el" href="classStkError.html">StkError</a> will be thrown if the <code>channel</code> argument is zero or it is greater than the number of channels in the <a class="el" href="classStkFrames.html">StkFrames</a> object.
<p>
Reimplemented from <a class="el" href="classGenerator.html#a5">Generator</a>.
<p>
Reimplemented in <a class="el" href="classSubNoise.html#a6">SubNoise</a>. </td>
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<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="Noise_8h-source.html">Noise.h</a></ul>
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<tr><td><A HREF="http://ccrma.stanford.edu/software/stk/"><I>The Synthesis ToolKit in C++ (STK)</I></A></td></tr>
<tr><td>&copy;1995-2004 Perry R. Cook and Gary P. Scavone. All Rights Reserved.</td></tr>
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