<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <!-- Created by GNU Texinfo 6.5, http://www.gnu.org/software/texinfo/ --> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>Two-dimensional Geometric Shapes (GNU Octave (version 5.1.0))</title> <meta name="description" content="Two-dimensional Geometric Shapes (GNU Octave (version 5.1.0))"> <meta name="keywords" content="Two-dimensional Geometric Shapes (GNU Octave (version 5.1.0))"> <meta name="resource-type" content="document"> <meta name="distribution" content="global"> <meta name="Generator" content="makeinfo"> <link href="index.html#Top" rel="start" title="Top"> <link href="Concept-Index.html#Concept-Index" rel="index" title="Concept Index"> <link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> <link href="Two_002dDimensional-Plots.html#Two_002dDimensional-Plots" rel="up" title="Two-Dimensional Plots"> <link href="Three_002dDimensional-Plots.html#Three_002dDimensional-Plots" rel="next" title="Three-Dimensional Plots"> <link href="Two_002ddimensional-Function-Plotting.html#Two_002ddimensional-Function-Plotting" rel="prev" title="Two-dimensional Function Plotting"> <style type="text/css"> <!-- a.summary-letter {text-decoration: none} blockquote.indentedblock {margin-right: 0em} blockquote.smallindentedblock {margin-right: 0em; font-size: smaller} blockquote.smallquotation {font-size: smaller} div.display {margin-left: 3.2em} div.example {margin-left: 3.2em} div.lisp {margin-left: 3.2em} div.smalldisplay {margin-left: 3.2em} div.smallexample {margin-left: 3.2em} div.smalllisp {margin-left: 3.2em} kbd {font-style: oblique} pre.display {font-family: inherit} pre.format {font-family: inherit} pre.menu-comment {font-family: serif} pre.menu-preformatted {font-family: serif} pre.smalldisplay {font-family: inherit; font-size: smaller} pre.smallexample {font-size: smaller} pre.smallformat {font-family: inherit; font-size: smaller} pre.smalllisp {font-size: smaller} span.nolinebreak {white-space: nowrap} span.roman {font-family: initial; font-weight: normal} span.sansserif {font-family: sans-serif; font-weight: normal} ul.no-bullet {list-style: none} --> </style> <link rel="stylesheet" type="text/css" href="octave.css"> </head> <body lang="en"> <a name="Two_002ddimensional-Geometric-Shapes"></a> <div class="header"> <p> Previous: <a href="Two_002ddimensional-Function-Plotting.html#Two_002ddimensional-Function-Plotting" accesskey="p" rel="prev">Two-dimensional Function Plotting</a>, Up: <a href="Two_002dDimensional-Plots.html#Two_002dDimensional-Plots" accesskey="u" rel="up">Two-Dimensional Plots</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p> </div> <hr> <a name="Two_002ddimensional-Geometric-Shapes-1"></a> <h4 class="subsubsection">15.2.1.3 Two-dimensional Geometric Shapes</h4> <a name="XREFrectangle"></a><dl> <dt><a name="index-rectangle"></a><em></em> <strong>rectangle</strong> <em>()</em></dt> <dt><a name="index-rectangle-1"></a><em></em> <strong>rectangle</strong> <em>(…, "Position", <var>pos</var>)</em></dt> <dt><a name="index-rectangle-2"></a><em></em> <strong>rectangle</strong> <em>(…, "Curvature", <var>curv</var>)</em></dt> <dt><a name="index-rectangle-3"></a><em></em> <strong>rectangle</strong> <em>(…, "EdgeColor", <var>ec</var>)</em></dt> <dt><a name="index-rectangle-4"></a><em></em> <strong>rectangle</strong> <em>(…, "FaceColor", <var>fc</var>)</em></dt> <dt><a name="index-rectangle-5"></a><em></em> <strong>rectangle</strong> <em>(<var>hax</var>, …)</em></dt> <dt><a name="index-rectangle-6"></a><em><var>h</var> =</em> <strong>rectangle</strong> <em>(…)</em></dt> <dd><p>Draw a rectangular patch defined by <var>pos</var> and <var>curv</var>. </p> <p>The variable <code><var>pos</var>(1:2)</code> defines the lower left-hand corner of the patch and <code><var>pos</var>(3:4)</code> defines its width and height. By default, the value of <var>pos</var> is <code>[0, 0, 1, 1]</code>. </p> <p>The variable <var>curv</var> defines the curvature of the sides of the rectangle and may be a scalar or two-element vector with values between 0 and 1. A value of 0 represents no curvature of the side, whereas a value of 1 means that the side is entirely curved into the arc of a circle. If <var>curv</var> is a two-element vector, then the first element is the curvature along the x-axis of the patch and the second along y-axis. </p> <p>If <var>curv</var> is a scalar, it represents the curvature of the shorter of the two sides of the rectangle and the curvature of the other side is defined by </p> <div class="example"> <pre class="example">min (pos(1:2)) / max (pos(1:2)) * curv </pre></div> <p>Additional property/value pairs are passed to the underlying patch command. </p> <p>If the first argument <var>hax</var> is an axes handle, then plot into this axes, rather than the current axes returned by <code>gca</code>. </p> <p>The optional return value <var>h</var> is a graphics handle to the created rectangle object. </p> <p><strong>See also:</strong> <a href="Graphics-Objects.html#XREFpatch">patch</a>, <a href="Graphics-Objects.html#XREFline">line</a>, <a href="Three_002ddimensional-Geometric-Shapes.html#XREFcylinder">cylinder</a>, <a href="Three_002ddimensional-Geometric-Shapes.html#XREFellipsoid">ellipsoid</a>, <a href="Three_002ddimensional-Geometric-Shapes.html#XREFsphere">sphere</a>. </p></dd></dl> <hr> <div class="header"> <p> Previous: <a href="Two_002ddimensional-Function-Plotting.html#Two_002ddimensional-Function-Plotting" accesskey="p" rel="prev">Two-dimensional Function Plotting</a>, Up: <a href="Two_002dDimensional-Plots.html#Two_002dDimensional-Plots" accesskey="u" rel="up">Two-Dimensional Plots</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p> </div> </body> </html>