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<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>plpath: Draw a line between two points, accounting for coordinate transforms</title><link rel="stylesheet" type="text/css" href="stylesheet.css"><meta name="generator" content="DocBook XSL Stylesheets V1.79.1"><link rel="home" href="index.html" title="Documentation of the PLplot plotting software"><link rel="up" href="API.html" title="Chapter 17. The Common API for PLplot"><link rel="prev" href="plpat.html" title="plpat: Set area line fill pattern"><link rel="next" href="plpoin.html" title="plpoin: Plot a glyph at the specified points"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">
<code class="function">plpath</code>: Draw a line between two points, accounting
for coordinate transforms
</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="plpat.html">Prev</a> </td><th width="60%" align="center">Chapter 17. The Common API for PLplot</th><td width="20%" align="right"> <a accesskey="n" href="plpoin.html">Next</a></td></tr></table><hr></div><div class="sect1"><div class="titlepage"><div><div><h4 class="title"><a name="plpath"></a>
<code class="function">plpath</code>: Draw a line between two points, accounting
for coordinate transforms
</h4></div></div></div><p>
</p><div class="funcsynopsis"><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">
<b class="fsfunc">plpath</b>
(</code></td><td>
<var class="pdparam">n</var>
, </td></tr><tr><td> </td><td>
<var class="pdparam">x1</var>
, </td></tr><tr><td> </td><td>
<var class="pdparam">y1</var>
, </td></tr><tr><td> </td><td>
<var class="pdparam">x2</var>
, </td></tr><tr><td> </td><td>
<var class="pdparam">y2</var>
<code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div><p>
</p><p>
Joins the point <code class="literal">
(<em class="parameter"><code>x1</code></em>,
<em class="parameter"><code>y1</code></em>)
</code> to
<code class="literal">
(<em class="parameter"><code>x2</code></em>,
<em class="parameter"><code>y2</code></em>)
</code>. If a global coordinate transform
is defined then the line is broken in to
<code class="literal">
<em class="parameter"><code>n</code></em>
</code> segments to approximate the
path. If no transform is defined then this simply acts like a call to
<a class="link" href="pljoin.html" title="pljoin: Draw a line between two points"><code class="function">pljoin</code></a>.
</p><div class="variablelist"><dl class="variablelist"><dt><span class="term">
<em class="parameter"><code>n</code></em>
(<code class="literal"><a class="link" href="c.html#PLINT-type"><code class="function">PLINT</code></a></code>, input)
</span></dt><dd><p>
number of points to use to approximate the path.
</p></dd><dt><span class="term">
<em class="parameter"><code>x1</code></em>
(<code class="literal"><a class="link" href="c.html#PLFLT-type"><code class="function">PLFLT</code></a></code>, input)
</span></dt><dd><p>
x coordinate of first point.
</p></dd><dt><span class="term">
<em class="parameter"><code>y1</code></em>
(<code class="literal"><a class="link" href="c.html#PLFLT-type"><code class="function">PLFLT</code></a></code>, input)
</span></dt><dd><p>
y coordinate of first point.
</p></dd><dt><span class="term">
<em class="parameter"><code>x2</code></em>
(<code class="literal"><a class="link" href="c.html#PLFLT-type"><code class="function">PLFLT</code></a></code>, input)
</span></dt><dd><p>
x coordinate of second point.
</p></dd><dt><span class="term">
<em class="parameter"><code>y2</code></em>
(<code class="literal"><a class="link" href="c.html#PLFLT-type"><code class="function">PLFLT</code></a></code>, input)
</span></dt><dd><p>
y coordinate of second point.
</p></dd></dl></div><p>
Redacted form: <code class="function">plpath(n,x1,y1,x2,y2)</code>
</p><p>
This function is used in example 22.
</p></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="plpat.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="API.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="plpoin.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">
<code class="function">plpat</code>: Set area line fill pattern
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<code class="function">plpoin</code>: Plot a glyph at the specified points
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