<?xml version="1.0" encoding="UTF-8" standalone="no"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>cossegb</title> <link rel="stylesheet" type="text/css" href="csound.css" /> <meta name="generator" content="DocBook XSL Stylesheets V1.76.1" /> <link rel="home" href="index.html" title="The Canonical Csound Reference Manual" /> <link rel="up" href="OpcodesTop.html" title="Orchestra Opcodes and Operators" /> <link rel="prev" href="cosseg.html" title="cosseg" /> <link rel="next" href="cossegr.html" title="cossegr" /> </head> <body> <div class="navheader"> <table width="100%" summary="Navigation header"> <tr> <th colspan="3" align="center">cossegb</th> </tr> <tr> <td width="20%" align="left"><a accesskey="p" href="cosseg.html">Prev</a> </td> <th width="60%" align="center">Orchestra Opcodes and Operators</th> <td width="20%" align="right"> <a accesskey="n" href="cossegr.html">Next</a></td> </tr> </table> <hr /> </div> <div class="refentry" title="cossegb"> <a id="cossegb"></a> <div class="titlepage"></div> <a id="IndexCossegb" class="indexterm"></a> <div class="refnamediv"> <h2> <span class="refentrytitle">cossegb</span> </h2> <p>cossegb — Trace a series of line segments between specified absolute points with cosine interpolation. </p> </div> <div class="refsect1" title="Description"> <a id="idp16466096"></a> <h2>Description</h2> <p> Trace a series of line segments between specified absolute points with cosine interpolation. </p> </div> <div class="refsect1" title="Syntax"> <a id="idp16452632"></a> <h2>Syntax</h2> <pre class="synopsis">ares <span class="command"><strong>cossegb</strong></span> ia, itim1, ib [, itim2] [, ic] [...]</pre> <pre class="synopsis">kres <span class="command"><strong>cossegb</strong></span> ia, itim1, ib [, itim2] [, ic] [...]</pre> </div> <div class="refsect1" title="Initialization"> <a id="idp16454440"></a> <h2>Initialization</h2> <p> <span class="emphasis"><em>ia</em></span> -- starting value. </p> <p> <span class="emphasis"><em>ib, ic</em></span>, etc. -- value at <span class="emphasis"><em>tim1</em></span> seconds, etc. </p> <p> <span class="emphasis"><em>itim1</em></span> -- time in seconds of end of first segment. A zero or negative value will cause all initialization to be skipped. </p> <p> <span class="emphasis"><em>itim2, itim3</em></span>, etc. -- time in seconds at the end of subsequent segments. </p> </div> <div class="refsect1" title="Performance"> <a id="idp16567920"></a> <h2>Performance</h2> <p> These units generate control or audio signals whose values can pass through 2 or more specified points. The last <span class="emphasis"><em>tim</em></span> value may or may not equal the instrument's performance time: a shorter performance will truncate the specified pattern, while a longer one will cause the last value to be repeated until the end of the note. </p> </div> <div class="refsect1" title="Examples"> <a id="idp16569080"></a> <h2>Examples</h2> <p> Here is an example of the cossegb opcode. It uses the file <a class="ulink" href="examples/cossegb.csd" target="_top"><em class="citetitle">cossegb.csd</em></a>. </p> <div class="example"> <a id="idp16570056"></a> <p class="title"> <strong>Example 123. Example of the cossegb opcode.</strong> </p> <div class="example-contents"> <p>See the sections <a class="link" href="UsingRealTime.html" title="Real-Time Audio"><em class="citetitle">Real-time Audio</em></a> and <a class="link" href="CommandFlags.html" title="Csound command line"><em class="citetitle">Command Line Flags</em></a> for more information on using command line flags.</p> <pre class="programlisting"> <span class="csdtag"><CsoundSynthesizer></span> <span class="csdtag"><CsOptions></span> <span class="comment">; Select audio/midi flags here according to platform</span> -odac <span class="comment">;;;realtime audio out</span> <span class="comment">;-iadc ;;;uncomment -iadc if realtime audio input is needed too</span> <span class="comment">; For Non-realtime ouput leave only the line below:</span> <span class="comment">;-o linseg.wav -W ;;; for file output any platform</span> <span class="csdtag"></CsOptions></span> <span class="csdtag"><CsInstruments></span> <span class="ohdr">sr</span> <span class="op">=</span> 44100 <span class="ohdr">ksmps</span> <span class="op">=</span> 32 <span class="ohdr">nchnls</span> <span class="op">=</span> 2 <span class="ohdr">0dbfs</span> <span class="op">=</span> 1 giSine <span class="ohdr">ftgen</span> 0, 0, 2^10, 10, 1 <span class="oblock">instr</span> 1 kcps <span class="op">=</span> <span class="opc">cpspch</span>(p4) kenv cossegb 0, 0.25, 1, 1, 0 asig <span class="opc">poscil</span> kenv, kcps, giSine <span class="opc">outs</span> asig, asig <span class="oblock">endin</span> <span class="oblock">instr</span> 2 <span class="comment">; scaling to duration</span> kcps <span class="op">=</span> <span class="opc">cpspch</span>(p4) kenv cossegb 0, p3<span class="op">*</span>0.25, 1, p3, 0 asig <span class="opc">poscil</span> kenv, kcps, giSine <span class="opc">outs</span> asig, asig <span class="oblock">endin</span> <span class="csdtag"></CsInstruments></span> <span class="csdtag"><CsScore></span> <span class="stamnt">i</span> 1 0 1 7.00 <span class="comment">; = 1 sec, p3 fits exactly</span> <span class="stamnt">i</span> 1 2 2 7.00 <span class="comment">; = 2 sec, p3 truncated at 1 sec</span> <span class="stamnt">i</span> 2 4 1 7.00 <span class="comment">; scales to duration</span> <span class="stamnt">i</span> 2 6 2 7.00 <span class="comment">; of p3</span> <span class="stamnt">e</span> <span class="csdtag"></CsScore></span> <span class="csdtag"></CsoundSynthesizer></span> </pre> </div> </div> <p><br class="example-break" /> </p> </div> <div class="refsect1" title="See Also"> <a id="idp16572336"></a> <h2>See Also</h2> <p> <a class="link" href="cosseg.html" title="cosseg"><em class="citetitle">cosseg</em></a>, <a class="link" href="expon.html" title="expon"><em class="citetitle">expon</em></a>, <a class="link" href="expseg.html" title="expseg"><em class="citetitle">expseg</em></a>, <a class="link" href="expsegr.html" title="expsegr"><em class="citetitle">expsegr</em></a>, <a class="link" href="line.html" title="line"><em class="citetitle">line</em></a>, <a class="link" href="linseg.html" title="linseg"><em class="citetitle">linseg</em></a> <a class="link" href="linsegb.html" title="linsegb"><em class="citetitle">linsegb</em></a> <a class="link" href="linsegr.html" title="linsegr"><em class="citetitle">linsegr</em></a> <a class="link" href="transeg.html" title="transeg"><em class="citetitle">transeg</em></a> </p> </div> <div class="refsect1" title="Credits"> <a id="idp16577144"></a> <h2>Credits</h2> <p> </p> <table border="0" summary="Simple list" class="simplelist"> <tr> <td>Author: John ffitch</td> </tr> <tr> <td>Aug 2012 </td> </tr> </table> <p> </p> <p>New in version 5.18</p> </div> </div> <div class="navfooter"> <hr /> <table width="100%" summary="Navigation footer"> <tr> <td width="40%" align="left"><a accesskey="p" href="cosseg.html">Prev</a> </td> <td width="20%" align="center"> <a accesskey="u" href="OpcodesTop.html">Up</a> </td> <td width="40%" align="right"> <a accesskey="n" href="cossegr.html">Next</a></td> </tr> <tr> <td width="40%" align="left" valign="top">cosseg </td> <td width="20%" align="center"> <a accesskey="h" href="index.html">Home</a> </td> <td width="40%" align="right" valign="top"> cossegr</td> </tr> </table> </div> </body> </html>