Help/GUI/Cocoa-GUI/SCFreqScopeWindow.html

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  34 <p class="p1"><span class="s1"><b>SCFreqScopeWindow<span class="Apple-tab-span">        </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span></b></span><b>a nice wrapper for SCFreqScope</b><span class="s1"><b><span class="Apple-tab-span">        </span></b></span></p>
  35 <p class="p2"><br></p>
  36 <p class="p1"><b>Inherits from: Object</b></p>
  37 <p class="p3"><br></p>
  38 <p class="p1">SCFreqScopeWindow shows the frequency spectrum of the specified audio bus. The scope will</p>
  39 <p class="p1">remain active after a command-period. To turn it off you must either click off the 'Power'</p>
  40 <p class="p1">button or close the window.</p>
  41 <p class="p2"><br></p>
  42 <p class="p1">Panel commands:</p>
  43 <p class="p1">Power - <span class="Apple-tab-span">     </span>Turns the scope on and off. This is useful for freezing the signal on the display</p>
  44 <p class="p1"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span>or for saving CPU.</p>
  45 <p class="p1">BusIn -<span class="Apple-tab-span">      </span>The audio bus to be analyzed.</p>
  46 <p class="p1">FrqScl -<span class="Apple-tab-span">     </span>Determines the mapping of frequencies on the x-axis. Can be linear (lin) or</p>
  47 <p class="p1"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span>logarithmic (log). Logarithmic is equal spacing per musical octave.</p>
  48 <p class="p1">dbCut -<span class="Apple-tab-span">      </span>Determines the lowest decibel shown on the y-axis.</p>
  49 <p class="p2"><br></p>
  50 <p class="p4"><span class="s2"><b>See also:</b> <a href="SCFreqScope.html">SCFreqScope</a></span></p>
  51 <p class="p2"><br></p>
  52 <p class="p5"><b>Creation / Class Methods</b></p>
  53 <p class="p6"><br></p>
  54 <p class="p7"><b><span class="Apple-tab-span">  </span>*new (width, height, busNum, scopeColor, bgColor)</b></p>
  55 <p class="p8"><b><span class="Apple-tab-span">  </span></b></p>
  56 <p class="p9"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><b>width </b>- Default value is 512.</p>
  57 <p class="p9"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><b>height </b>-Default value is 300.</p>
  58 <p class="p9"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><b>busNum </b>- The number of the audio <a href="../../ServerArchitecture/Bus.html"><span class="s3">Bus</span></a> to be monitored.</p>
  59 <p class="p9"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><b>scopeColor </b>- An instance of Color. The drawing color of the scope.</p>
  60 <p class="p9"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><b>bgColor </b>- An instance of Color. The background color of the scope.</p>
  61 <p class="p8"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span></p>
  62 <p class="p10"><span class="s2"><span class="Apple-tab-span">   </span><span class="Apple-tab-span">    </span></span>// must use internal server</p>
  63 <p class="p11"><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>s = <span class="s4">Server</span>.internal.boot;</p>
  64 <p class="p12"><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span></p>
  65 <p class="p10"><span class="s2"><span class="Apple-tab-span">   </span><span class="Apple-tab-span">    </span></span>// create a new analyzer</p>
  66 <p class="p11"><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="s4">SCFreqScopeWindow</span>.new(400, 200, 0);</p>
  67 <p class="p12"><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span></p>
  68 <p class="p10"><span class="s2"><span class="Apple-tab-span">   </span><span class="Apple-tab-span">    </span></span>// basic sine</p>
  69 <p class="p11"><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>{ <span class="s4">SinOsc</span>.ar(2000, 0, 0.25) }.play(s);</p>
  70 <p class="p12"><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span></p>
  71 <p class="p10"><span class="s2"><span class="Apple-tab-span">   </span><span class="Apple-tab-span">    </span></span>// random saw</p>
  72 <p class="p11"><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>{ <span class="s4">RLPF</span>.ar(<span class="s4">Saw</span>.ar(110, 0.2), <span class="s4">LFNoise2</span>.kr(1,1e4,1e4), <span class="s4">LFNoise2</span>.kr(1, 0.2, 0.22)) }.play(s);</p>
  73 <p class="p12"><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span></p>
  74 <p class="p10"><span class="s2"><span class="Apple-tab-span">   </span><span class="Apple-tab-span">    </span></span>// modulate phase</p>
  75 <p class="p11"><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>{ <span class="s4">SinOsc</span>.ar(800, <span class="s4">SinOsc</span>.ar(<span class="s4">XLine</span>.kr(20,8000,10),0,2pi), 0.25) }.play(s);</p>
  76 <p class="p12"><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span></p>
  77 <p class="p10"><span class="s2"><span class="Apple-tab-span">   </span><span class="Apple-tab-span">    </span></span>// all harmonics</p>
  78 <p class="p11"><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>{ <span class="s4">Blip</span>.ar(200,<span class="s4">Line</span>.kr(1,100,10),0.2) }.play(s);</p>
  79 <p class="p6"><br></p>
  80 <p class="p13"><b>Subclassing and Internal Methods</b></p>
  81 <p class="p7"><span class="s5"><span class="Apple-tab-span">    </span></span>The following methods are usually not used directly or are called by a primitive. Programmers can still call or override these as needed.</p>
  82 <p class="p8"><span class="Apple-tab-span">     </span></p>
  83 <p class="p7"><b><span class="Apple-tab-span">  </span>scopeOpen</b></p>
  84 <p class="p8"><b><span class="Apple-tab-span">  </span></b><span class="Apple-tab-span">        </span></p>
  85 <p class="p7"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span>Returns a <a href="../../Core/Boolean.html"><span class="s6">Boolean</span></a>, whether the scope is open.</p>
  86 <p class="p8"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span></p>
  87 <p class="p7"><b><span class="Apple-tab-span">  </span>window</b></p>
  88 <p class="p8"><b><span class="Apple-tab-span">  </span></b><span class="Apple-tab-span">        </span></p>
  89 <p class="p7"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span>Returns the window in which the <a href="SCFreqScope.html"><span class="s7">SCFreqScope</span></a><span class="s3"> </span>view is placed.</p>
  90 <p class="p8"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span></p>
  91 <p class="p7"><b><span class="Apple-tab-span">  </span>scope</b></p>
  92 <p class="p8"><b><span class="Apple-tab-span">  </span></b><span class="Apple-tab-span">        </span></p>
  93 <p class="p7"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span>Returns the <a href="SCFreqScope.html"><span class="s7">SCFreqScope</span></a>.</p>
  94 <p class="p8"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span></p>
  95 <p class="p8"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span></p>
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