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Re: [sc-dev] SF.net SVN: supercollider:[8152] trunk/build
This is extremely cool. You wouldn't have a code example, which you used
while testing scopeResponse, that we could add to the help file, would you ?
jostM
danstowell@xxxxxxxxxxxxxxxxxxxxx wrote:
> Revision: 8152
> http://supercollider.svn.sourceforge.net/supercollider/?rev=8152&view=rev
> Author: danstowell
> Date: 2008-12-15 20:00:39 +0000 (Mon, 15 Dec 2008)
>
> Log Message:
> -----------
> Added SCFreqScope:special and SCFreqScope.response, plus convenience "scopeResponse" methods for Function and Filter
>
> Modified Paths:
> --------------
> trunk/build/ChangeLog
> trunk/build/Help/GUI/SCFreqScope.html
> trunk/build/SCClassLibrary/Common/GUI/osx/SCFreqScope.sc
>
> Added Paths:
> -----------
> trunk/build/SCClassLibrary/Common/GUI/PlusGUI/Control/scopeResponse.sc
>
> Modified: trunk/build/ChangeLog
> ===================================================================
> --- trunk/build/ChangeLog 2008-12-15 19:26:13 UTC (rev 8151)
> +++ trunk/build/ChangeLog 2008-12-15 20:00:39 UTC (rev 8152)
> @@ -24,11 +24,11 @@
> * 2008-11-29 Pitch ugen can now also track the pitch of control-rate signals - mb
> * 2008-12-03 added PV_Div ugen for complex division - ds
> * 2008-12-07 added PV_Conj ugen for complex conjugate - ds
> -* 2008-12-15 new ViewRedirect for easier cross-platform gui syntax. e.g. Window now redirects to SCWindow or JWindow. ds & jostM
> -* 2008-12-15 revised and updated all SC Gui documentation. New gui introduction. New SCUserView subclassing tutorial. - jostM
> +* 2008-12-15 new ViewRedirect for easier cross-platform gui syntax. e.g. Window now redirects to SCWindow or JWindow. ds & jm
> +* 2008-12-15 revised and updated all SC Gui documentation. New gui introduction. New SCUserView subclassing tutorial. - jm
> +* 2008-12-15 added methods to SCFreqScope for "special" SynthDef, and for visualising frequency responses - ds
>
>
> -
> Bugfixes:
> ---------
> * 2008-05-20 fix for the special case when 0.2.asFraction beachballs the lang (bug id 1856972) - jr
>
> Modified: trunk/build/Help/GUI/SCFreqScope.html
> ===================================================================
> --- trunk/build/Help/GUI/SCFreqScope.html 2008-12-15 19:26:13 UTC (rev 8151)
> +++ trunk/build/Help/GUI/SCFreqScope.html 2008-12-15 20:00:39 UTC (rev 8152)
> @@ -5,37 +5,37 @@
> <meta http-equiv="Content-Style-Type" content="text/css">
> <title></title>
> <meta name="Generator" content="Cocoa HTML Writer">
> -<meta name="CocoaVersion" content="949.35">
> +<meta name="CocoaVersion" content="824.48">
> <style type="text/css">
> p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px Helvetica}
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> @@ -55,102 +55,117 @@
> <p class="p1">It also frees the buffers that the scope allocated and stops the FFT analysis synth. So:</p>
> <p class="p2"><br></p>
> <p class="p6"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span>(</p>
> -<p class="p7"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span>w = <span class="s5">SCWindow</span>(<span class="s6">"My Analyzer"</span>, <span class="s5">Rect</span>(0, 0, 511, 300));</p>
> -<p class="p7"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span>f = <span class="s5">SCFreqScope</span>(w, w.view.bounds);</p>
> -<p class="p7"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span>w.onClose_({ f.kill });<span class="Apple-converted-space"> </span><span class="s7">// YOU MUST HAVE THIS</span></p>
> -<p class="p7"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span>w.front;</p>
> -<p class="p7"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span><span class="s3">)</span></p>
> +<p class="p6"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span>w = <span class="s5">SCWindow</span>(<span class="s6">"My Analyzer"</span>, <span class="s5">Rect</span>(0, 0, 511, 300));</p>
> +<p class="p6"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span>f = <span class="s5">SCFreqScope</span>(w, w.view.bounds);</p>
> +<p class="p6"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span>w.onClose_({ f.kill });<span class="Apple-converted-space"> </span><span class="s7">// YOU MUST HAVE THIS</span></p>
> +<p class="p6"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span>w.front;</p>
> +<p class="p6"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span>)</p>
> <p class="p2"><br></p>
> <p class="p5"><b>Creation / Class Methods</b></p>
> -<p class="p8"><br></p>
> -<p class="p9"><b><span class="Apple-tab-span"> </span>*new (parent, bounds)</b></p>
> -<p class="p10"><b><span class="Apple-tab-span"> </span></b></p>
> -<p class="p11"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span><b>parent </b>-<span class="Apple-converted-space"> </span>The parent view.</p>
> -<p class="p11"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span><b>bounds </b>- An instance of <a href="Geometry/Rect.html"><span class="s8">Rect</span></a>,<span class="Apple-converted-space"> </span>or<span class="Apple-converted-space"> </span>a <a href="Geometry/Point.html"><span class="s8">Point</span></a> indicating width@height.</p>
> -<p class="p8"><br></p>
> -<p class="p8"><br></p>
> -<p class="p12"><b>Instance Methods</b></p>
> -<p class="p13"><br></p>
> -<p class="p9"><b><span class="Apple-tab-span"> </span>kill</b></p>
> -<p class="p9"><b><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span>Very important</b>.<span class="Apple-converted-space"> </span>This must be run when the parent window is closed to avoid problems. It also frees the buffers that the scope allocated and stops the FFT analysis synth.</p>
> -<p class="p10"><span class="Apple-tab-span"> </span></p>
> -<p class="p9"><b><span class="Apple-tab-span"> </span>active</b></p>
> -<p class="p9"><b><span class="Apple-tab-span"> </span>active_ (bool)</b></p>
> -<p class="p10"><b><span class="Apple-tab-span"> </span></b></p>
> -<p class="p9"><b><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span></b>Turn the scope on or off.</p>
> -<p class="p11"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span><b>bool </b>- An instance of Boolean.</p>
> -<p class="p14"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span></p>
> -<p class="p9"><b><span class="Apple-tab-span"> </span>freqMode</b></p>
> -<p class="p9"><b><span class="Apple-tab-span"> </span>freqMode_ (mode)</b></p>
> -<p class="p10"><b><span class="Apple-tab-span"> </span></b></p>
> -<p class="p11"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span><b>mode </b>- 0= linear, 1= logarithmic.</p>
> -<p class="p14"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span></p>
> -<p class="p9"><b><span class="Apple-tab-span"> </span>inBus</b></p>
> -<p class="p9"><b><span class="Apple-tab-span"> </span>inBus_ (num)</b></p>
> -<p class="p10"><b><span class="Apple-tab-span"> </span></b></p>
> -<p class="p9"><b><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span></b>The bus to listen on.</p>
> -<p class="p11"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span><b>num </b>- an audio<span class="Apple-converted-space"> </span><a href="../ServerArchitecture/Bus.html"><span class="s2">Bus</span></a> number.</p>
> -<p class="p10"><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>
> -<p class="p9"><b><span class="Apple-tab-span"> </span>dbRange</b></p>
> -<p class="p9"><b><span class="Apple-tab-span"> </span>dbRange_ (db)</b></p>
> -<p class="p10"><b><span class="Apple-tab-span"> </span></b></p>
> -<p class="p9"><b><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span></b>Get/set the amplitude range.</p>
> -<p class="p11"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span><b>db </b>- A <a href="../Math/Number.html"><span class="s2">Number</span></a>.</p>
> -<p class="p10"><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>
> -<p class="p12"><b>Subclassing and Internal Methods<span class="Apple-converted-space"> </span></b></p>
> -<p class="p9"><span class="s9"><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.<span class="Apple-converted-space"> </span></p>
> -<p class="p10"><span class="Apple-tab-span"> </span></p>
> -<p class="p9"><b><span class="Apple-tab-span"> </span>*viewClass</b><span class="Apple-converted-space"> </span>Returns <span class="s10">SCScope</span>.<span class="Apple-converted-space"> </span>See also Subclassing and Internal Methods in <a href="SCView.html"><span class="s2">SCView</span></a></p>
> -<p class="p8"><br></p>
> -<p class="p9"><b><span class="Apple-tab-span"> </span>*initClass</b><span class="Apple-converted-space"> </span>Sets the classVar , <b>server</b> = Server.internal.</p>
> -<p class="p10"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span></p>
> -<p class="p9"><b><span class="Apple-tab-span"> </span>server</b> - A classVar. must be Server.internal</p>
> -<p class="p9"><b><span class="Apple-tab-span"> </span>start</b></p>
> -<p class="p9"><b><span class="Apple-tab-span"> </span>eventSeq (delta, funcs)</b></p>
> -<p class="p9"><b><span class="Apple-tab-span"> </span>cmdPeriod</b></p>
> -<p class="p9"><b><span class="Apple-tab-span"> </span>initSCFreqScope</b></p>
> -<p class="p9"><b><span class="Apple-tab-span"> </span>sendSynthDefs</b></p>
> -<p class="p9"><b><span class="Apple-tab-span"> </span>allocBuffers</b></p>
> -<p class="p9"><b><span class="Apple-tab-span"> </span>freeBuffers</b></p>
> -<p class="p9"><b><span class="Apple-tab-span"> </span>node</b></p>
> -<p class="p9"><b><span class="Apple-tab-span"> </span>scopebuf</b></p>
> -<p class="p9"><b><span class="Apple-tab-span"> </span>fftbuf</b></p>
> -<p class="p9"><b><span class="Apple-tab-span"> </span>bufSize</b></p>
> -<p class="p10"><b><span class="Apple-tab-span"> </span></b></p>
> -<p class="p12"><b>Examples</b></p>
> +<p class="p7"><br></p>
> +<p class="p8"><b><span class="Apple-tab-span"> </span>*new (parent, bounds)</b></p>
> +<p class="p9"><b><span class="Apple-tab-span"> </span></b></p>
> +<p class="p10"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span><b>parent </b>-<span class="Apple-converted-space"> </span>The parent view.</p>
> +<p class="p10"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span><b>bounds </b>- An instance of <a href="Geometry/Rect.html"><span class="s8">Rect</span></a>,<span class="Apple-converted-space"> </span>or<span class="Apple-converted-space"> </span>a <a href="Geometry/Point.html"><span class="s8">Point</span></a> indicating width@height.</p>
> +<p class="p7"><br></p>
> +<p class="p8"><b><span class="Apple-tab-span"> </span>*response (parent, bounds, bus1, bus2, freqMode)</b></p>
> +<p class="p9"><b><span class="Apple-tab-span"> </span></b></p>
> +<p class="p10"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span>Create a scope in a special frequency-response mode. This uses FFT-based spectral division to estimate the frequency response of some effect, on the assumption that the signal to <b>bus1</b> is transformed to the signal at <b>bus2</b> by some linear time-invariant process.</p>
> +<p class="p10"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span><b>parent </b>-<span class="Apple-converted-space"> </span>The parent view.</p>
> +<p class="p10"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span><b>bounds </b>- An instance of <a href="Geometry/Rect.html"><span class="s8">Rect</span></a>,<span class="Apple-converted-space"> </span>or<span class="Apple-converted-space"> </span>a <a href="Geometry/Point.html"><span class="s8">Point</span></a> indicating width@height.</p>
> +<p class="p10"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span><b>bus1</b> - The bus on which the "pre" signal is found.</p>
> +<p class="p10"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span><b>bus2</b> - The bus on which the "post" signal is found.</p>
> +<p class="p10"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span><b>freqMode</b> - linear (0) or log(1) frequency mode. Defaults to 1.</p>
> +<p class="p7"><br></p>
> +<p class="p7"><br></p>
> +<p class="p11"><b>Instance Methods</b></p>
> +<p class="p12"><br></p>
> +<p class="p8"><b><span class="Apple-tab-span"> </span>kill</b></p>
> +<p class="p8"><b><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span>Very important</b>.<span class="Apple-converted-space"> </span>This must be run when the parent window is closed to avoid problems. It also frees the buffers that the scope allocated and stops the FFT analysis synth.</p>
> +<p class="p9"><span class="Apple-tab-span"> </span></p>
> +<p class="p8"><b><span class="Apple-tab-span"> </span>active</b></p>
> +<p class="p8"><b><span class="Apple-tab-span"> </span>active_ (bool)</b></p>
> +<p class="p9"><b><span class="Apple-tab-span"> </span></b></p>
> +<p class="p8"><b><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span></b>Turn the scope on or off.</p>
> +<p class="p10"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span><b>bool </b>- An instance of Boolean.</p>
> +<p class="p13"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span></p>
> +<p class="p8"><b><span class="Apple-tab-span"> </span>freqMode</b></p>
> +<p class="p8"><b><span class="Apple-tab-span"> </span>freqMode_ (mode)</b></p>
> +<p class="p9"><b><span class="Apple-tab-span"> </span></b></p>
> +<p class="p10"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span><b>mode </b>- 0= linear, 1= logarithmic.</p>
> +<p class="p13"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span></p>
> +<p class="p8"><b><span class="Apple-tab-span"> </span>inBus</b></p>
> +<p class="p8"><b><span class="Apple-tab-span"> </span>inBus_ (num)</b></p>
> +<p class="p9"><b><span class="Apple-tab-span"> </span></b></p>
> +<p class="p8"><b><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span></b>The bus to listen on.</p>
> +<p class="p10"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span><b>num </b>- an audio<span class="Apple-converted-space"> </span><a href="../ServerArchitecture/Bus.html"><span class="s2">Bus</span></a> number.</p>
> +<p class="p9"><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>
> +<p class="p8"><b><span class="Apple-tab-span"> </span>dbRange</b></p>
> +<p class="p8"><b><span class="Apple-tab-span"> </span>dbRange_ (db)</b></p>
> +<p class="p9"><b><span class="Apple-tab-span"> </span></b></p>
> +<p class="p8"><b><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span></b>Get/set the amplitude range.</p>
> +<p class="p10"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span><b>db </b>- A <a href="../Math/Number.html"><span class="s2">Number</span></a>.</p>
> +<p class="p9"><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>
> +<p class="p8"><b><span class="Apple-tab-span"> </span>special (defname, extraArgs)</b></p>
> +<p class="p9"><b><span class="Apple-tab-span"> </span></b></p>
> +<p class="p8"><b><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span></b>Put the scope into a special mode using a user-specified <a href="../ServerArchitecture/SynthDef.html"><span class="s9">SynthDef</span></a>. Note that only very particular SynthDefs should be used, namely ones that are derived from the <span class="s10">\</span><span class="s11">freqScope0</span> or <span class="s11">\freqScope1</span> SynthDefs. Most users will not need to use this method directly, but it can be used to provide a customised analysis shown in the scope.</p>
> +<p class="p10"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span><b>defname </b>- Name of the SynthDef you wish to use.</p>
> +<p class="p10"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span><b>extraArgs </b>- extra arguments that you may wish to pass to the synth.</p>
> +<p class="p9"><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>
> +<p class="p11"><b>Subclassing and Internal Methods<span class="Apple-converted-space"> </span></b></p>
> +<p class="p8"><span class="s12"><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.<span class="Apple-converted-space"> </span></p>
> +<p class="p9"><span class="Apple-tab-span"> </span></p>
> +<p class="p8"><b><span class="Apple-tab-span"> </span>*viewClass</b><span class="Apple-converted-space"> </span>Returns <span class="s13">SCScope</span>.<span class="Apple-converted-space"> </span>See also Subclassing and Internal Methods in <a href="SCView.html"><span class="s2">SCView</span></a></p>
> +<p class="p7"><br></p>
> +<p class="p8"><b><span class="Apple-tab-span"> </span>*initClass</b><span class="Apple-converted-space"> </span>Sets the classVar , <b>server</b> = Server.internal.</p>
> +<p class="p9"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span></p>
> +<p class="p8"><b><span class="Apple-tab-span"> </span>server</b> - A classVar. must be Server.internal</p>
> +<p class="p8"><b><span class="Apple-tab-span"> </span>start</b></p>
> +<p class="p8"><b><span class="Apple-tab-span"> </span>eventSeq (delta, funcs)</b></p>
> +<p class="p8"><b><span class="Apple-tab-span"> </span>cmdPeriod</b></p>
> +<p class="p8"><b><span class="Apple-tab-span"> </span>initSCFreqScope</b></p>
> +<p class="p8"><b><span class="Apple-tab-span"> </span>sendSynthDefs</b></p>
> +<p class="p8"><b><span class="Apple-tab-span"> </span>allocBuffers</b></p>
> +<p class="p8"><b><span class="Apple-tab-span"> </span>freeBuffers</b></p>
> +<p class="p8"><b><span class="Apple-tab-span"> </span>node</b></p>
> +<p class="p8"><b><span class="Apple-tab-span"> </span>scopebuf</b></p>
> +<p class="p8"><b><span class="Apple-tab-span"> </span>fftbuf</b></p>
> +<p class="p8"><b><span class="Apple-tab-span"> </span>bufSize</b></p>
> +<p class="p9"><b><span class="Apple-tab-span"> </span></b></p>
> +<p class="p11"><b>Examples</b></p>
> +<p class="p2"><br></p>
> +<p class="p14">// Start internal server</p>
> +<p class="p6">s = <span class="s5">Server</span>.internal.boot;</p>
> +<p class="p3"><br></p>
> +<p class="p14">// Create analyzer in a window</p>
> +<p class="p6">(</p>
> +<p class="p6">w = <span class="s5">SCWindow</span>(<span class="s6">"My Analyzer"</span>, <span class="s5">Rect</span>(0, 0, 511, 300)); <span class="s7">// width should be 511</span></p>
> +<p class="p6">f = <span class="s5">SCFreqScope</span>(w, w.view.bounds);</p>
> +<p class="p14"><span class="s3">f.active_(</span><span class="s5">true</span><span class="s3">); <span class="Apple-tab-span"> </span></span>// turn it on the first time;</p>
> +<p class="p3"><br></p>
> +<p class="p6">w.onClose_({ f.kill });<span class="Apple-converted-space"> </span><span class="s7">// you must have this</span></p>
> +<p class="p6">w.front;</p>
> +<p class="p6">)</p>
> +<p class="p3"><br></p>
> +<p class="p6">{ <span class="s5">SinOsc</span>.ar([500, 1000], 0, 0.25).mean.dup }.play(s);<span class="Apple-converted-space"> </span><span class="s7">// start two sine waves</span></p>
> +<p class="p3"><br></p>
> +<p class="p14"><span class="s3">f.freqMode_(1);<span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span></span>// change to log scale so we can see them</p>
> +<p class="p14"><span class="s3">f.inBus_(1);<span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span></span>// look at bus 1</p>
> +<p class="p14"><span class="s3">f.dbRange_(200);<span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span></span>// expand amplitude range</p>
> +<p class="p14"><span class="s3">f.active_(</span><span class="s5">false</span><span class="s3">);<span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span></span>// turn scope off (watch CPU)</p>
> +<p class="p14"><span class="s3">f.active_(</span><span class="s5">true</span><span class="s3">);<span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span></span>// turn it back on<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>
> +<p class="p3"><br></p>
> +<p class="p3"><br></p>
> +<p class="p14">// Now press command-period.<span class="Apple-converted-space"> </span>The scope is still running.</p>
> +<p class="p3"><br></p>
> +<p class="p3"><br></p>
> +<p class="p6">{ <span class="s5">SinOsc</span>.ar([500, 1000], 0, 0.25).mean.dup }.play(s);<span class="Apple-converted-space"> </span><span class="s7">// start sines again</span></p>
> +<p class="p3"><br></p>
> +<p class="p3"><br></p>
> +<p class="p14">// Close window and scope is killed.</p>
> <p class="p15"><br></p>
> -<p class="p16">// Start internal server</p>
> -<p class="p7">s = <span class="s5">Server</span>.internal.boot;</p>
> -<p class="p17"><br></p>
> -<p class="p16">// Create analyzer in a window</p>
> -<p class="p7">(</p>
> -<p class="p7">w = <span class="s5">SCWindow</span>(<span class="s6">"My Analyzer"</span>, <span class="s5">Rect</span>(0, 0, 511, 300)); <span class="s7">// width should be 511</span></p>
> -<p class="p7">f = <span class="s5">SCFreqScope</span>(w, w.view.bounds);</p>
> -<p class="p16"><span class="s3">f.active_(</span><span class="s5">true</span><span class="s3">); <span class="Apple-tab-span"> </span></span>// turn it on the first time;</p>
> -<p class="p17"><br></p>
> -<p class="p7">w.onClose_({ f.kill });<span class="Apple-converted-space"> </span><span class="s7">// you must have this</span></p>
> -<p class="p7">w.front;</p>
> -<p class="p7">)</p>
> -<p class="p17"><br></p>
> -<p class="p7">{ <span class="s5">SinOsc</span>.ar([500, 1000], 0, 0.25).mean.dup }.play(s);<span class="Apple-converted-space"> </span><span class="s7">// start two sine waves</span></p>
> -<p class="p17"><br></p>
> -<p class="p16"><span class="s3">f.freqMode_(1);<span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span></span>// change to log scale so we can see them</p>
> -<p class="p16"><span class="s3">f.inBus_(1);<span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span></span>// look at bus 1</p>
> -<p class="p16"><span class="s3">f.dbRange_(200);<span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span></span>// expand amplitude range</p>
> -<p class="p16"><span class="s3">f.active_(</span><span class="s5">false</span><span class="s3">);<span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span></span>// turn scope off (watch CPU)</p>
> -<p class="p16"><span class="s3">f.active_(</span><span class="s5">true</span><span class="s3">);<span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span></span>// turn it back on<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>
> -<p class="p17"><br></p>
> -<p class="p17"><br></p>
> -<p class="p16">// Now press command-period.<span class="Apple-converted-space"> </span>The scope is still running.</p>
> -<p class="p17"><br></p>
> -<p class="p17"><br></p>
> -<p class="p7">{ <span class="s5">SinOsc</span>.ar([500, 1000], 0, 0.25).mean.dup }.play(s);<span class="Apple-converted-space"> </span><span class="s7">// start sines again</span></p>
> -<p class="p17"><br></p>
> -<p class="p17"><br></p>
> -<p class="p16">// Close window and scope is killed.</p>
> -<p class="p18"><br></p>
> -<p class="p18"><br></p>
> -<p class="p18"><br></p>
> -<p class="p19"><br></p>
> +<p class="p15"><br></p>
> +<p class="p15"><br></p>
> +<p class="p16"><br></p>
> </body>
> </html>
>
> Added: trunk/build/SCClassLibrary/Common/GUI/PlusGUI/Control/scopeResponse.sc
> ===================================================================
> --- trunk/build/SCClassLibrary/Common/GUI/PlusGUI/Control/scopeResponse.sc (rev 0)
> +++ trunk/build/SCClassLibrary/Common/GUI/PlusGUI/Control/scopeResponse.sc 2008-12-15 20:00:39 UTC (rev 8152)
> @@ -0,0 +1,80 @@
> +/*
> +Server.default = s = Server.internal.boot;
> +
> +{|in| MoogFF.ar(in, freq: LFCub.kr(0.2).exprange(10, 10000))}.scopeResponse
> +{|in| MoogFF.ar(in)}.scopeResponse
> +
> +LPF.scopeResponse
> +HPF.scopeResponse
> +MoogFF.scopeResponse
> +BLowPass.scopeResponse
> +BBandPass.scopeResponse
> +BLowShelf.scopeResponse // by default BLowShelf doesn't mangle much
> +Resonz.scopeResponse
> +BRF.scopeResponse
> +Integrator.scopeResponse
> +Formlet.scopeResponse
> +Median.scopeResponse // nonlinear, and therefore interesting
> +Slew.scopeResponse
> +
> +*/
> +
> ++ Function {
> + scopeResponse{ |server, freqMode=1, label="Empirical Frequency response"|
> +
> + var bus1, bus2, synth, win, fs;
> + server = server ?? {Server.internal};
> +
> + // Create two private busses
> + bus1 = Bus.audio(server, 1).postln;
> + bus2 = Bus.audio(server, 1).postln;
> +
> + // Create the SCFreqScope.response using the same simple window as in the helpfile
> + // Also, onClose must free the synth and the busses
> +
> + win = GUI.window.new(label, Rect(100, 100, 511, 300));
> + fs = GUI.freqScopeView.response(win, win.view.bounds, bus1, bus2, freqMode);
> + win.onClose_{
> + fs.kill;
> + server.bind{[synth, bus1, bus2].do(_.free)};
> + };
> + win.front;
> + fs.active_(true);
> +
> + Task{
> + 1.1.wait;
> + server.sync;
> + // Create a synth using this function and the busses
> + synth = {
> + var son1, son2;
> + son1 = PinkNoise.ar;
> + son2 = this.value(son1);
> + Out.ar(bus1, son1);
> + Out.ar(bus2, son2);
> + Out.ar(0, [son1, son2] * 0.1); // audible
> + }.play(Node.basicNew(server, fs.node), addAction: \addBefore);
> + }.play;
> +
> + ^fs
> + }
> +}
> +
> +
> ++ Filter {
> + *scopeResponse { |server, freqMode=1, label, args|
> + var argNames = this.class.findRespondingMethodFor(\ar).argNames;
> + var hasFreqInput = argNames.includes(\freq);
> +
> + ^if(hasFreqInput){
> + {|in| this.ar(in: in, freq:MouseX.kr(10, 10000, 1)) * Line.ar(0,1,0.1) }
> + .scopeResponse(server ?? {Server.internal}, freqMode,
> + label ?? {"%: empirical frequency response (move mouse to change freq)".format(this.asString)}
> + )
> + }{ // no freq input
> + {|in| this.ar(in: in) * Line.ar(0,1,0.1) }
> + .scopeResponse(server ?? {Server.internal}, freqMode,
> + label ?? {"%: empirical frequency response".format(this.asString)}
> + )
> + }
> + }
> +}
>
> Modified: trunk/build/SCClassLibrary/Common/GUI/osx/SCFreqScope.sc
> ===================================================================
> --- trunk/build/SCClassLibrary/Common/GUI/osx/SCFreqScope.sc 2008-12-15 19:26:13 UTC (rev 8151)
> +++ trunk/build/SCClassLibrary/Common/GUI/osx/SCFreqScope.sc 2008-12-15 20:00:39 UTC (rev 8152)
> @@ -7,6 +7,7 @@
> var <scopebuf, <fftbuf;
> var <active, <node, <inBus, <dbRange, dbFactor, rate, <freqMode;
> var <bufSize; // size of FFT
> + var <>specialSynthDef, <specialSynthArgs; // Allows to override the analysis synth
>
> *viewClass { ^SCScope }
>
> @@ -79,6 +80,45 @@
> // phasor = ((LFSaw.ar(rate/BufDur.kr(fftbufnum), phase, 0.5, 0.5).cubed * numSamples)+1).round(2);
> // ScopeOut.ar( ((BufRd.ar(1, fftbufnum, phasor, 1) * mul).ampdb * dbFactor) + 1, scopebufnum);
> // }).send(server);
> +
> + // These next two are based on the original two, but adapted by Dan Stowell
> + // to calculate the frequency response between two channels
> + SynthDef("freqScope0_magresponse", { arg in=0, fftbufnum=0, scopebufnum=1, rate=4, phase=1, dbFactor = 0.02, in2=1;
> + var signal, chain, result, phasor, numSamples, mul, add;
> + var signal2, chain2, divisionbuf;
> + mul = 0.00285;
> + numSamples = (BufSamples.kr(fftbufnum) - 2) * 0.5; // 1023 (bufsize=2048)
> + signal = In.ar(in);
> + signal2 = In.ar(in2);
> + chain = FFT(fftbufnum, signal, hop: 0.75, wintype:1);
> + divisionbuf = LocalBuf(BufFrames.ir(fftbufnum));
> + chain2 = FFT(divisionbuf, signal2, hop: 0.75, wintype:1);
> + // Here we perform complex division to estimate the freq response
> + chain = PV_Div(chain2, chain);
> + chain = PV_MagSmear(chain, 1);
> + // -1023 to 1023, 0 to 2046, 2 to 2048 (skip first 2 elements DC and Nyquist)
> + phasor = LFSaw.ar(rate/BufDur.kr(fftbufnum), phase, numSamples, numSamples + 2);
> + phasor = phasor.round(2); // the evens are magnitude
> + ScopeOut.ar( ((BufRd.ar(1, divisionbuf, phasor, 1, 1) * mul).ampdb * dbFactor) + 1, scopebufnum);
> + }).send(server);
> +
> + SynthDef("freqScope1_magresponse", { arg in=0, fftbufnum=0, scopebufnum=1, rate=4, phase=1, dbFactor = 0.02, in2=1;
> + var signal, chain, result, phasor, halfSamples, mul, add;
> + var signal2, chain2, divisionbuf;
> + mul = 0.00285;
> + halfSamples = BufSamples.kr(fftbufnum) * 0.5;
> + signal = In.ar(in);
> + signal2 = In.ar(in2);
> + chain = FFT(fftbufnum, signal, hop: 0.75, wintype:1);
> + divisionbuf = LocalBuf(BufFrames.ir(fftbufnum));
> + chain2 = FFT(divisionbuf, signal2, hop: 0.75, wintype:1);
> + // Here we perform complex division to estimate the freq response
> + chain = PV_Div(chain2, chain);
> + chain = PV_MagSmear(chain, 1);
> + phasor = halfSamples.pow(LFSaw.ar(rate/BufDur.kr(fftbufnum), phase, 0.5, 0.5)) * 2; // 2 to bufsize
> + phasor = phasor.round(2); // the evens are magnitude
> + ScopeOut.ar( ((BufRd.ar(1, divisionbuf, phasor, 1, 1) * mul).ampdb * dbFactor) + 1, scopebufnum);
> + }).send(server);
>
> "SCFreqScope: SynthDefs sent".postln;
> }
> @@ -116,9 +156,9 @@
> // \fftbufnum, fftbuf.bufnum, \scopebufnum, scopebuf.bufnum]);
>
> node = server.nextNodeID; // get new node just to be safe
> - server.sendMsg("/s_new", "freqScope" ++ freqMode.asString, node, 1, 0,
> + server.sendMsg("/s_new", specialSynthDef ?? {"freqScope" ++ freqMode.asString}, node, 1, 0,
> \in, inBus, \dbFactor, dbFactor, \rate, 4,
> - \fftbufnum, fftbuf.bufnum, \scopebufnum, scopebuf.bufnum);
> + \fftbufnum, fftbuf.bufnum, \scopebufnum, scopebuf.bufnum, *specialSynthArgs);
> }
>
> kill {
> @@ -197,6 +237,27 @@
> });
> }
>
> + specialSynthArgs_ {|args|
> + specialSynthArgs = args;
> + if(args.notNil and:{active}){
> + server.sendMsg("/n_set", node, *specialSynthArgs);
> + }
> + }
> +
> + special { |defname, extraargs|
> + this.specialSynthDef_(defname);
> + this.specialSynthArgs_(extraargs);
> + if(active, {
> + server.sendMsg("/n_free", node);
> + node = server.nextNodeID;
> + this.start;
> + });
> + }
> +
> + *response{ |parent, bounds, bus1, bus2, freqMode=1|
> + ^this.new(parent, bounds).inBus_(bus1.index)
> + .special("freqScope%_magresponse".format(freqMode), [\in2, bus2])
> + }
> }
>
> SCFreqScopeWindow { //was FreqScope
>
>
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