Help/Streams-Patterns-Events/Patterns/PdegreeToKey.html

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  23 <p class="p1"><b>PdegreeToKey</b></p>
  24 <p class="p2"><br></p>
  25 <p class="p3">superclass: FilterPattern</p>
  26 <p class="p2"><br></p>
  27 <p class="p4"><br></p>
  28 <p class="p3"><b>PdegreeToKey(keypattern,<span class="Apple-converted-space">  </span>scale,<span class="Apple-converted-space">  </span>stepsPerOctave)</b></p>
  29 <p class="p4"><br></p>
  30 <p class="p3">returns a series of notes derived from an index into a scale.</p>
  31 <p class="p3">if the scale is a pattern, it streams the scales accordingly</p>
  32 <p class="p2"><br></p>
  33 <p class="p2"><br></p>
  34 <p class="p3"><b>keypattern</b> <span class="Apple-tab-span">   </span><span class="Apple-tab-span">    </span>integer index into the scale</p>
  35 <p class="p3"><b>scale</b> <span class="Apple-tab-span">        </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>an array</p>
  36 <p class="p3"><b>stepsPerOctave</b><span class="Apple-tab-span">        </span>the number of steps per octave in the scale. The default is 12.</p>
  37 <p class="p2"><br></p>
  38 <p class="p2"><br></p>
  39 <p class="p2"><br></p>
  40 <p class="p5">(</p>
  41 <p class="p6">Pbind<span class="s1">(</span><span class="s2">\note</span><span class="s1">, </span>PdegreeToKey<span class="s1">(</span></p>
  42 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="s3">Pseq</span>([1, 2, 3, 2, 5, 4, 3, 4, 2, 1], 2),</p>
  43 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>#[0, 2, 3, 6, 7, 9],</p>
  44 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>12</p>
  45 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>),</p>
  46 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="s2">\dur</span>, 0.25</p>
  47 <p class="p5">).play;</p>
  48 <p class="p5">)</p>
  49 <p class="p2"><br></p>
  50 <p class="p2"><br></p>
  51 <p class="p5">(</p>
  52 <p class="p5"><span class="s3">var</span> scales;</p>
  53 <p class="p5">scales = #[[0, 2, 3, 6, 7, 9], [0, 1, 5, 6, 7, 9, 11], [0, 2, 3]];</p>
  54 <p class="p6">Pbind<span class="s1">(</span><span class="s2">\note</span><span class="s1">, </span>PdegreeToKey<span class="s1">(</span></p>
  55 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="s3">Pseq</span>([1, 2, 3, 2, 5, 4, 3, 4, 2, 1], 4),</p>
  56 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="s3">Pstutter</span>(3, <span class="s3">Prand</span>(scales, <span class="s3">inf</span>)),</p>
  57 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>12</p>
  58 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>),</p>
  59 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="s2">\dur</span>, 0.25</p>
  60 <p class="p5">).play;</p>
  61 <p class="p5">)</p>
  62 <p class="p2"><br></p>
  63 <p class="p2"><br></p>
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