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<TITLE>The Synthesis ToolKit in C++ (STK)</TITLE>
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<h1>Mesh2D.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#ifndef STK_MESH2D_H</span>
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<a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor">#define STK_MESH2D_H</span>
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<a name="l00003"></a>00003 <span class="preprocessor"></span>
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<a name="l00004"></a>00004 <span class="preprocessor">#include "Instrmnt.h"</span>
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<a name="l00005"></a>00005 <span class="preprocessor">#include "OnePole.h"</span>
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<a name="l00006"></a>00006
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<a name="l00007"></a>00007 <span class="keyword">namespace </span>stk {
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<a name="l00008"></a>00008
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<a name="l00009"></a>00009 <span class="comment">/***************************************************/</span>
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<a name="l00033"></a>00033 <span class="comment">/***************************************************/</span>
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<a name="l00034"></a>00034
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<a name="l00035"></a>00035 <span class="keyword">const</span> <span class="keywordtype">short</span> NXMAX = 12;
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<a name="l00036"></a>00036 <span class="keyword">const</span> <span class="keywordtype">short</span> NYMAX = 12;
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<a name="l00037"></a>00037
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<a name="l00038"></a><a class="code" href="classstk_1_1Mesh2D.html">00038</a> <span class="keyword">class </span><a class="code" href="classstk_1_1Mesh2D.html" title="Two-dimensional rectilinear waveguide mesh class.">Mesh2D</a> : <span class="keyword">public</span> <a class="code" href="classstk_1_1Instrmnt.html" title="STK instrument abstract base class.">Instrmnt</a>
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<a name="l00039"></a>00039 {
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<a name="l00040"></a>00040 <span class="keyword">public</span>:
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<a name="l00042"></a>00042 <a class="code" href="classstk_1_1Mesh2D.html#a156fdff6515dbcd4b493ce0ef051a174" title="Class constructor, taking the x and y dimensions in samples.">Mesh2D</a>( <span class="keywordtype">short</span> nX, <span class="keywordtype">short</span> nY );
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<a name="l00043"></a>00043
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<a name="l00045"></a>00045 <a class="code" href="classstk_1_1Mesh2D.html#ac4abd6b5190587d69c7c2b13870fb646" title="Class destructor.">~Mesh2D</a>( <span class="keywordtype">void</span> );
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<a name="l00046"></a>00046
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<a name="l00048"></a>00048 <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Mesh2D.html#a49f56b4865dc041ae874fbc1b80e967b" title="Reset and clear all internal state.">clear</a>( <span class="keywordtype">void</span> );
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<a name="l00049"></a>00049
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<a name="l00051"></a>00051 <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Mesh2D.html#accbad29fd6364f7c2d439bcf837590ec" title="Set the x dimension size in samples.">setNX</a>( <span class="keywordtype">short</span> lenX );
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<a name="l00052"></a>00052
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<a name="l00054"></a>00054 <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Mesh2D.html#a4c4c54ad29fcee5654bd2ebaed29d916" title="Set the y dimension size in samples.">setNY</a>( <span class="keywordtype">short</span> lenY );
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<a name="l00055"></a>00055
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<a name="l00057"></a>00057 <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Mesh2D.html#a9cdfa80ecccf3f12dc184003458ba3a3" title="Set the x, y input position on a 0.0 - 1.0 scale.">setInputPosition</a>( StkFloat xFactor, StkFloat yFactor );
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<a name="l00058"></a>00058
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<a name="l00060"></a>00060 <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Mesh2D.html#ab7b3d950e40308e7060e5ff9a62a8b8d" title="Set the loss filters gains (0.0 - 1.0).">setDecay</a>( StkFloat decayFactor );
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<a name="l00061"></a>00061
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<a name="l00063"></a>00063 <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Mesh2D.html#a7915dae1032ace5960c85790a7b93e0f" title="Impulse the mesh with the given amplitude (frequency ignored).">noteOn</a>( StkFloat frequency, StkFloat amplitude );
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<a name="l00064"></a>00064
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<a name="l00066"></a>00066 <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Mesh2D.html#a0580962b3cc0dbac092581d0fc15127b" title="Stop a note with the given amplitude (speed of decay) ... currently ignored.">noteOff</a>( StkFloat amplitude );
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<a name="l00067"></a>00067
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<a name="l00069"></a>00069 StkFloat <a class="code" href="classstk_1_1Mesh2D.html#a52d9552b67edea0fc6ff3e949d6331a0" title="Calculate and return the signal energy stored in the mesh.">energy</a>( <span class="keywordtype">void</span> );
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<a name="l00070"></a>00070
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<a name="l00072"></a>00072 StkFloat <a class="code" href="classstk_1_1Mesh2D.html#a688bed8725ef2d8bf4c6465251bd8b86" title="Input a sample to the mesh and compute one output sample.">inputTick</a>( StkFloat input );
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<a name="l00073"></a>00073
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<a name="l00075"></a>00075 <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Mesh2D.html#acc618a91b288305785644d852cfdaf83" title="Perform the control change specified by number and value (0.0 - 128.0).">controlChange</a>( <span class="keywordtype">int</span> number, StkFloat value );
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<a name="l00076"></a>00076
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<a name="l00078"></a>00078 StkFloat <a class="code" href="classstk_1_1Mesh2D.html#ae8a7e86e4774d8738098c79ab0d5e00a" title="Compute and return one output sample.">tick</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channel = 0 );
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<a name="l00079"></a>00079
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<a name="l00080"></a>00080 <span class="keyword">protected</span>:
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<a name="l00081"></a>00081
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<a name="l00082"></a>00082 StkFloat tick0();
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<a name="l00083"></a>00083 StkFloat tick1();
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<a name="l00084"></a>00084 <span class="keywordtype">void</span> clearMesh();
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<a name="l00085"></a>00085
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<a name="l00086"></a>00086 <span class="keywordtype">short</span> NX_, NY_;
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<a name="l00087"></a>00087 <span class="keywordtype">short</span> xInput_, yInput_;
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<a name="l00088"></a>00088 <a class="code" href="classstk_1_1OnePole.html" title="STK one-pole filter class.">OnePole</a> filterX_[NXMAX];
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<a name="l00089"></a>00089 <a class="code" href="classstk_1_1OnePole.html" title="STK one-pole filter class.">OnePole</a> filterY_[NYMAX];
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<a name="l00090"></a>00090 StkFloat v_[NXMAX-1][NYMAX-1]; <span class="comment">// junction velocities</span>
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<a name="l00091"></a>00091 StkFloat vxp_[NXMAX][NYMAX]; <span class="comment">// positive-x velocity wave</span>
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<a name="l00092"></a>00092 StkFloat vxm_[NXMAX][NYMAX]; <span class="comment">// negative-x velocity wave</span>
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<a name="l00093"></a>00093 StkFloat vyp_[NXMAX][NYMAX]; <span class="comment">// positive-y velocity wave</span>
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<a name="l00094"></a>00094 StkFloat vym_[NXMAX][NYMAX]; <span class="comment">// negative-y velocity wave</span>
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<a name="l00095"></a>00095
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<a name="l00096"></a>00096 <span class="comment">// Alternate buffers</span>
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<a name="l00097"></a>00097 StkFloat vxp1_[NXMAX][NYMAX]; <span class="comment">// positive-x velocity wave</span>
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<a name="l00098"></a>00098 StkFloat vxm1_[NXMAX][NYMAX]; <span class="comment">// negative-x velocity wave</span>
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<a name="l00099"></a>00099 StkFloat vyp1_[NXMAX][NYMAX]; <span class="comment">// positive-y velocity wave</span>
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<a name="l00100"></a>00100 StkFloat vym1_[NXMAX][NYMAX]; <span class="comment">// negative-y velocity wave</span>
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<a name="l00101"></a>00101
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<a name="l00102"></a>00102 <span class="keywordtype">int</span> counter_; <span class="comment">// time in samples</span>
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<a name="l00103"></a>00103 };
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<a name="l00104"></a>00104
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<a name="l00105"></a>00105 } <span class="comment">// stk namespace</span>
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<a name="l00106"></a>00106
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<a name="l00107"></a>00107 <span class="preprocessor">#endif</span>
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</pre></div></div>
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<table>
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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>
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<tr><td>©1995-2010 Perry R. Cook and Gary P. Scavone. All Rights Reserved.</td></tr>
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