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<refentry id="v">
<indexterm id="IndexVStatement"><primary>v statement</primary></indexterm>
<refmeta>
<refentrytitle>v Statement</refentrytitle>
</refmeta>
<refnamediv>
<refname>v</refname>
<refpurpose>
Provides for locally variable time warping of score events.
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<para>
The <emphasis>v statement</emphasis> provides for locally variable time warping of score events.
</para>
</refsect1>
<refsect1>
<title>Syntax</title>
<synopsis><command>v</command> p1</synopsis>
</refsect1>
<refsect1>
<title>Initialization</title>
<para>
<command>p1</command> -- Time warp factor (must be positive).
</para>
</refsect1>
<refsect1>
<title>Performance</title>
<para>
The <emphasis>v statement</emphasis> takes effect with the following <link linkend="i"><citetitle>i statement</citetitle></link>, and remains in effect until the next <link linkend="v"><citetitle>v statement</citetitle></link>, <link linkend="s"><citetitle>s statement</citetitle></link>, or <link linkend="e"><citetitle>e statement</citetitle></link>.
</para>
</refsect1>
<refsect1>
<title>Examples</title>
<para>
The value of p1 is used as a multiplier for the start times (p2) of subsequent <link linkend="i"><citetitle>i statements</citetitle></link>.
</para>
<para>
<informalexample>
<programlisting>
<emphasis role="stamnt">i</emphasis>1 0 1 <emphasis role="comment">; note1</emphasis>
<emphasis role="stamnt">v</emphasis>2
<emphasis role="stamnt">i</emphasis>1 1 1 <emphasis role="comment">; note2</emphasis></programlisting>
</informalexample>
In this example, the second note occurs two beats after the first note, and is twice as long.
</para>
<para>
Although the <emphasis>v statement</emphasis> is similar to the <link linkend="t"><citetitle>t statement</citetitle></link>, the <emphasis>v statement</emphasis> is local in operation. That is, <emphasis>v</emphasis> affects only the following notes, and its effect may be cancelled or changed by another <emphasis>v statement</emphasis>.
</para>
<para>
Carried values are unaffected by the <emphasis>v statement</emphasis> (see <link linkend="ScoreCarry"><citetitle>Carry</citetitle></link>).
</para>
<para>
<informalexample>
<programlisting>
<emphasis role="stamnt">i</emphasis>1 0 1
<emphasis role="stamnt">v</emphasis>2
<emphasis role="stamnt">i</emphasis>. + .
<emphasis role="stamnt">i</emphasis>. . .</programlisting>
</informalexample>
In this example, the <emphasis>v statement</emphasis> has no effect.
</para>
</refsect1>
<refsect1>
<title>Examples</title>
<para>
Here is an example of the v statement. It uses the file <ulink url="examples/v.csd"><citetitle>v.csd</citetitle></ulink>.
<example>
<title>Example of the v statement.</title>
<xi:include href="examples-xml/v.csd.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
</example>
In this example, note3 and note5 occur simultaneously, while note4 actually occurs before note3, that is, at its original place. Durations are unaffected.
</para>
</refsect1>
</refentry>
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