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<section id="matrices">
<h1>Matrices<a class="headerlink" href="#matrices" title="Permalink to this heading">¶</a></h1>
<section id="objects-in-this-category">
<h2>Objects in this category<a class="headerlink" href="#objects-in-this-category" title="Permalink to this heading">¶</a></h2>
<ul class="simple">
<li><p><a class="reference internal" href="#pyo.NewMatrix" title="pyo.NewMatrix"><code class="xref py py-class docutils literal notranslate"><span class="pre">NewMatrix</span></code></a> : Create a new matrix ready for recording.</p></li>
</ul>
<p>Matrices are two-dimensions containers to keep samples (sounds, envelopes, algorithmic patterns, images, etc.)
in memory and access them quickly.</p>
</section>
<section id="newmatrix">
<h2><em>NewMatrix</em><a class="headerlink" href="#newmatrix" title="Permalink to this heading">¶</a></h2>
<dl class="py class">
<dt class="sig sig-object py" id="pyo.NewMatrix">
<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-name descname"><span class="pre">NewMatrix</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">width</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">height</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">init</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/pyo/lib/matrix.html#NewMatrix"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyo.NewMatrix" title="Permalink to this definition">¶</a></dt>
<dd><p>Create a new matrix ready for recording.</p>
<p>Optionally, the matrix can be filled with the contents of the
<cite>init</cite> parameter.</p>
<p>See <a class="reference internal" href="matrixprocess.html#pyo.MatrixRec" title="pyo.MatrixRec"><code class="xref py py-class docutils literal notranslate"><span class="pre">MatrixRec</span></code></a> to write samples in the matrix.</p>
<dl class="field-list simple">
<dt class="field-odd">Parent</dt>
<dd class="field-odd"><p><a class="reference internal" href="_core.html#pyo.PyoMatrixObject" title="pyo.PyoMatrixObject"><code class="xref py py-class docutils literal notranslate"><span class="pre">PyoMatrixObject</span></code></a></p>
</dd>
<dt class="field-even">Args</dt>
<dd class="field-even"><dl class="simple">
<dt>width: int</dt><dd><p>Desired matrix width in samples.</p>
</dd>
<dt>height: int</dt><dd><p>Desired matrix height in samples.</p>
</dd>
<dt>init: list of list of floats, optional</dt><dd><p>Initial matrix. Defaults to None.</p>
</dd>
</dl>
</dd>
</dl>
<div class="admonition seealso">
<p class="admonition-title">See also</p>
<p><a class="reference internal" href="matrixprocess.html#pyo.MatrixRec" title="pyo.MatrixRec"><code class="xref py py-class docutils literal notranslate"><span class="pre">MatrixRec</span></code></a></p>
</div>
<div class="doctest highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="n">s</span> <span class="o">=</span> <a class="sphinx-codeautolink-a" href="../../api/classes/server.html#pyo.Server" title="pyo.lib.server.Server"><span class="n">Server</span></a><span class="p">()</span><span class="o">.</span><span class="n">boot</span><span class="p">()</span>
<span class="gp">>>> </span><span class="n">s</span><span class="o">.</span><span class="n">start</span><span class="p">()</span>
<span class="gp">>>> </span><span class="n">SIZE</span> <span class="o">=</span> <span class="mi">256</span>
<span class="gp">>>> </span><a class="sphinx-codeautolink-a" href="../../api/classes/matrices.html#pyo.NewMatrix" title="pyo.lib.matrix.NewMatrix"><span class="n">mm</span></a> <span class="o">=</span> <a class="sphinx-codeautolink-a" href="../../api/classes/matrices.html#pyo.NewMatrix" title="pyo.lib.matrix.NewMatrix"><span class="n">NewMatrix</span></a><span class="p">(</span><span class="n">SIZE</span><span class="p">,</span> <span class="n">SIZE</span><span class="p">)</span>
<span class="gp">>>> </span><span class="n">mm</span><span class="o">.</span><span class="n">genSineTerrain</span><span class="p">(</span><span class="n">freq</span><span class="o">=</span><span class="mi">2</span><span class="p">,</span> <span class="n">phase</span><span class="o">=</span><span class="mi">16</span><span class="p">)</span>
<span class="gp">>>> </span><a class="sphinx-codeautolink-a" href="../../api/classes/generators.html#pyo.Sine" title="pyo.lib.generators.Sine"><span class="n">lfw</span></a> <span class="o">=</span> <a class="sphinx-codeautolink-a" href="../../api/classes/generators.html#pyo.Sine" title="pyo.lib.generators.Sine"><span class="n">Sine</span></a><span class="p">([</span><span class="mf">.1</span><span class="p">,</span><span class="mf">.11</span><span class="p">],</span> <span class="mi">0</span><span class="p">,</span> <span class="mf">.124</span><span class="p">,</span> <span class="mf">.25</span><span class="p">)</span>
<span class="gp">>>> </span><a class="sphinx-codeautolink-a" href="../../api/classes/generators.html#pyo.Sine" title="pyo.lib.generators.Sine"><span class="n">lfh</span></a> <span class="o">=</span> <a class="sphinx-codeautolink-a" href="../../api/classes/generators.html#pyo.Sine" title="pyo.lib.generators.Sine"><span class="n">Sine</span></a><span class="p">([</span><span class="mf">.15</span><span class="p">,</span><span class="mf">.16</span><span class="p">],</span> <span class="mi">0</span><span class="p">,</span> <span class="mf">.124</span><span class="p">,</span> <span class="mf">.25</span><span class="p">)</span>
<span class="gp">>>> </span><a class="sphinx-codeautolink-a" href="../../api/classes/generators.html#pyo.Sine" title="pyo.lib.generators.Sine"><span class="n">w</span></a> <span class="o">=</span> <a class="sphinx-codeautolink-a" href="../../api/classes/generators.html#pyo.Sine" title="pyo.lib.generators.Sine"><span class="n">Sine</span></a><span class="p">(</span><span class="mi">100</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <a class="sphinx-codeautolink-a" href="../../api/classes/generators.html#pyo.Sine" title="pyo.lib.generators.Sine"><span class="n">lfw</span></a><span class="p">,</span> <span class="mf">.5</span><span class="p">)</span>
<span class="gp">>>> </span><a class="sphinx-codeautolink-a" href="../../api/classes/generators.html#pyo.Sine" title="pyo.lib.generators.Sine"><span class="n">h</span></a> <span class="o">=</span> <a class="sphinx-codeautolink-a" href="../../api/classes/generators.html#pyo.Sine" title="pyo.lib.generators.Sine"><span class="n">Sine</span></a><span class="p">(</span><span class="mf">10.5</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <a class="sphinx-codeautolink-a" href="../../api/classes/generators.html#pyo.Sine" title="pyo.lib.generators.Sine"><span class="n">lfh</span></a><span class="p">,</span> <span class="mf">.5</span><span class="p">)</span>
<span class="gp">>>> </span><span class="n">c</span> <span class="o">=</span> <a class="sphinx-codeautolink-a" href="../../api/classes/matrixprocess.html#pyo.MatrixPointer" title="pyo.lib.matrixprocess.MatrixPointer"><span class="n">MatrixPointer</span></a><span class="p">(</span><a class="sphinx-codeautolink-a" href="../../api/classes/matrices.html#pyo.NewMatrix" title="pyo.lib.matrix.NewMatrix"><span class="n">mm</span></a><span class="p">,</span> <a class="sphinx-codeautolink-a" href="../../api/classes/generators.html#pyo.Sine" title="pyo.lib.generators.Sine"><span class="n">w</span></a><span class="p">,</span> <a class="sphinx-codeautolink-a" href="../../api/classes/generators.html#pyo.Sine" title="pyo.lib.generators.Sine"><span class="n">h</span></a><span class="p">,</span> <span class="n">mul</span><span class="o">=</span><span class="mf">.2</span><span class="p">)</span><span class="o">.</span><span class="n">out</span><span class="p">()</span>
</pre></div>
</div>
<div class="autoclasstoc docutils container">
<p class="rubric">Public Methods:</p>
<table class="autosummary longtable docutils align-default">
<colgroup>
<col style="width: 10%"/>
<col style="width: 90%"/>
</colgroup>
<tbody>
<tr class="row-odd"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">__init__</span></code>(width, height[, init])</p></td>
<td><p></p></td>
</tr>
<tr class="row-even"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">replace</span></code>(x)</p></td>
<td><p>Replaces the actual matrix.</p></td>
</tr>
<tr class="row-odd"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">getRate</span></code>()</p></td>
<td><p>Returns the frequency (cycle per second) to give to an oscillator to read the sound at its original pitch.</p></td>
</tr>
<tr class="row-even"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">genSineTerrain</span></code>([freq, phase])</p></td>
<td><p>Generates a modulated sinusoidal terrain.</p></td>
</tr>
</tbody>
</table>
<details><summary>Inherited from <a class="reference internal" href="_core.html#pyo.PyoMatrixObject" title="pyo.PyoMatrixObject"><code class="xref py py-class docutils literal notranslate"><span class="pre">PyoMatrixObject</span></code></a></summary><table class="autosummary longtable docutils align-default">
<colgroup>
<col style="width: 10%"/>
<col style="width: 90%"/>
</colgroup>
<tbody>
<tr class="row-odd"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">__init__</span></code>()</p></td>
<td><p></p></td>
</tr>
<tr class="row-even"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">write</span></code>(path)</p></td>
<td><p>Writes the content of the matrix into a text file.</p></td>
</tr>
<tr class="row-odd"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">read</span></code>(path)</p></td>
<td><p>Reads the content of a text file and replaces the matrix data with the values in the file.</p></td>
</tr>
<tr class="row-even"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">getSize</span></code>()</p></td>
<td><p>Returns matrix size in samples.</p></td>
</tr>
<tr class="row-odd"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">normalize</span></code>([level])</p></td>
<td><p>Normalize matrix samples to a given level.</p></td>
</tr>
<tr class="row-even"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">blur</span></code>()</p></td>
<td><p>Apply a simple gaussian blur on the matrix.</p></td>
</tr>
<tr class="row-odd"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">boost</span></code>([min, max, boost])</p></td>
<td><p>Boost the constrast of values in the matrix.</p></td>
</tr>
<tr class="row-even"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">put</span></code>(value[, x, y])</p></td>
<td><p>Puts a value at specified position in the matrix.</p></td>
</tr>
<tr class="row-odd"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">get</span></code>([x, y])</p></td>
<td><p>Returns the value, as float, at specified position in the matrix.</p></td>
</tr>
<tr class="row-even"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">getInterpolated</span></code>([x, y])</p></td>
<td><p>Returns the value, as float, at a normalized position in the matrix.</p></td>
</tr>
<tr class="row-odd"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">view</span></code>([title, wxnoserver])</p></td>
<td><p>Opens a window showing the contents of the matrix.</p></td>
</tr>
<tr class="row-even"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">refreshView</span></code>()</p></td>
<td><p>Updates the graphical display of the matrix, if applicable.</p></td>
</tr>
</tbody>
</table>
</details><details><summary>Inherited from <a class="reference internal" href="_core.html#pyo.PyoObjectBase" title="pyo.PyoObjectBase"><code class="xref py py-class docutils literal notranslate"><span class="pre">PyoObjectBase</span></code></a></summary><table class="autosummary longtable docutils align-default">
<colgroup>
<col style="width: 10%"/>
<col style="width: 90%"/>
</colgroup>
<tbody>
<tr class="row-odd"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">__init__</span></code>()</p></td>
<td><p></p></td>
</tr>
<tr class="row-even"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">dump</span></code>()</p></td>
<td><p>Print infos about the current state of the object.</p></td>
</tr>
<tr class="row-odd"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">getBaseObjects</span></code>()</p></td>
<td><p>Return a list of Stream objects managed by the instance.</p></td>
</tr>
<tr class="row-even"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">getServer</span></code>()</p></td>
<td><p>Return a reference to the current Server object.</p></td>
</tr>
<tr class="row-odd"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">getSamplingRate</span></code>()</p></td>
<td><p>Return the current sampling rate (samples per second), as a float.</p></td>
</tr>
<tr class="row-even"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">getBufferSize</span></code>()</p></td>
<td><p>Return the current buffer size (samples per buffer), as an integer.</p></td>
</tr>
<tr class="row-odd"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">allowAutoStart</span></code>([switch])</p></td>
<td><p>When autoStartChildren is activated in the Server, call this method with False as argument to stop the propagation of play/out/stop methods to and from this object.</p></td>
</tr>
<tr class="row-even"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">useWaitTimeOnStop</span></code>()</p></td>
<td><p>When autoStartChildren is activated in the Server, call this method to force an object given to the <cite>mul</cite> attribute of another object to use the wait time from the stop method instead of being stopped immediately.</p></td>
</tr>
<tr class="row-odd"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">addLinkedObject</span></code>(x)</p></td>
<td><p>When autoStartChildren is activated in the Server, use this method to explicitly add an object in a dsp chain, which is generally controlled by the last object of the chain.</p></td>
</tr>
<tr class="row-even"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">setStopDelay</span></code>(x)</p></td>
<td><p>Set a specific waiting time when calling the stop method on this object.</p></td>
</tr>
<tr class="row-odd"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">getStopDelay</span></code>()</p></td>
<td><p>Return the waiting time applied when calling the stop method on this object.</p></td>
</tr>
<tr class="row-even"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">__iter__</span></code>()</p></td>
<td><p></p></td>
</tr>
<tr class="row-odd"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">__next__</span></code>()</p></td>
<td><p></p></td>
</tr>
<tr class="row-even"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">next</span></code>()</p></td>
<td><p>Alias for __next__ method.</p></td>
</tr>
<tr class="row-odd"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">__getitem__</span></code>(i)</p></td>
<td><p></p></td>
</tr>
<tr class="row-even"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">__setitem__</span></code>(i, x)</p></td>
<td><p></p></td>
</tr>
<tr class="row-odd"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">__len__</span></code>()</p></td>
<td><p></p></td>
</tr>
<tr class="row-even"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">__repr__</span></code>()</p></td>
<td><p>Return repr(self).</p></td>
</tr>
<tr class="row-odd"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">__dir__</span></code>()</p></td>
<td><p>Default dir() implementation.</p></td>
</tr>
</tbody>
</table>
</details></div>
<div class="autoclasstoc docutils container">
<p class="rubric">Private Data Attributes:</p>
<details><summary>Inherited from <a class="reference internal" href="_core.html#pyo.PyoMatrixObject" title="pyo.PyoMatrixObject"><code class="xref py py-class docutils literal notranslate"><span class="pre">PyoMatrixObject</span></code></a></summary><table class="autosummary longtable docutils align-default">
<colgroup>
<col style="width: 10%"/>
<col style="width: 90%"/>
</colgroup>
<tbody>
<tr class="row-odd"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">_STREAM_TYPE</span></code></p></td>
<td><p></p></td>
</tr>
</tbody>
</table>
</details><details><summary>Inherited from <a class="reference internal" href="_core.html#pyo.PyoObjectBase" title="pyo.PyoObjectBase"><code class="xref py py-class docutils literal notranslate"><span class="pre">PyoObjectBase</span></code></a></summary><table class="autosummary longtable docutils align-default">
<colgroup>
<col style="width: 10%"/>
<col style="width: 90%"/>
</colgroup>
<tbody>
<tr class="row-odd"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">_STREAM_TYPE</span></code></p></td>
<td><p></p></td>
</tr>
</tbody>
</table>
</details></div>
<div class="autoclasstoc docutils container">
<p class="rubric">Private Methods:</p>
<details><summary>Inherited from <a class="reference internal" href="_core.html#pyo.PyoMatrixObject" title="pyo.PyoMatrixObject"><code class="xref py py-class docutils literal notranslate"><span class="pre">PyoMatrixObject</span></code></a></summary><table class="autosummary longtable docutils align-default">
<colgroup>
<col style="width: 10%"/>
<col style="width: 90%"/>
</colgroup>
<tbody>
<tr class="row-odd"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">_setViewFrame</span></code>(frame)</p></td>
<td><p></p></td>
</tr>
</tbody>
</table>
</details><details><summary>Inherited from <a class="reference internal" href="_core.html#pyo.PyoObjectBase" title="pyo.PyoObjectBase"><code class="xref py py-class docutils literal notranslate"><span class="pre">PyoObjectBase</span></code></a></summary><table class="autosummary longtable docutils align-default">
<colgroup>
<col style="width: 10%"/>
<col style="width: 90%"/>
</colgroup>
<tbody>
<tr class="row-odd"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">_autoplay</span></code>([dur, delay])</p></td>
<td><p></p></td>
</tr>
<tr class="row-even"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">_autostop</span></code>([wait])</p></td>
<td><p></p></td>
</tr>
</tbody>
</table>
</details></div>
<hr class="docutils"/>
<dl class="py method">
<dt class="sig sig-object py" id="pyo.NewMatrix.replace">
<span class="sig-name descname"><span class="pre">replace</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">x</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/pyo/lib/matrix.html#NewMatrix.replace"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyo.NewMatrix.replace" title="Permalink to this definition">¶</a></dt>
<dd><p>Replaces the actual matrix.</p>
<dl class="field-list simple">
<dt class="field-odd">Args</dt>
<dd class="field-odd"><dl class="simple">
<dt>x: list of list of floats</dt><dd><p>New matrix. Must be of the same size as the actual matrix.</p>
</dd>
</dl>
</dd>
</dl>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="pyo.NewMatrix.getRate">
<span class="sig-name descname"><span class="pre">getRate</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/pyo/lib/matrix.html#NewMatrix.getRate"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyo.NewMatrix.getRate" title="Permalink to this definition">¶</a></dt>
<dd><p>Returns the frequency (cycle per second) to give to an
oscillator to read the sound at its original pitch.</p>
</dd></dl>
<dl class="py method">
<dt class="sig sig-object py" id="pyo.NewMatrix.genSineTerrain">
<span class="sig-name descname"><span class="pre">genSineTerrain</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">freq</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">1</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">phase</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">0.0625</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../_modules/pyo/lib/matrix.html#NewMatrix.genSineTerrain"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#pyo.NewMatrix.genSineTerrain" title="Permalink to this definition">¶</a></dt>
<dd><p>Generates a modulated sinusoidal terrain.</p>
<dl class="field-list simple">
<dt class="field-odd">Args</dt>
<dd class="field-odd"><dl class="simple">
<dt>freq: float</dt><dd><p>Frequency of sinusoids used to created the terrain.
Defaults to 1.</p>
</dd>
<dt>phase: float</dt><dd><p>Phase deviation between rows of the terrain. Should be in
the range 0 -> 1. Defaults to 0.0625.</p>
</dd>
</dl>
</dd>
</dl>
</dd></dl>
</dd></dl>
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