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xyl_display.html
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<html>
<head>
<title>
XYL_DISPLAY - Display 2D Points and Lines in the MATLAB Graphics Window
</title>
</head>
<body bgcolor="#EEEEEE" link="#CC0000" alink="#FF3300" vlink="#000055">
<h1 align = "center">
XYL_DISPLAY <br>
Display 2D Points and Lines in the MATLAB Graphics Window
</h1>
<hr>
<p>
<b>XYL_DISPLAY</b>
is a MATLAB program which
reads XYL information
containing a list of 2D point coordinates, and the indices of points
that form lines, and displays a plot in the MATLAB graphics window.
</p>
<h3 align = "center">
Usage:
</h3>
<p>
<blockquote>
<b>xyl_display</b> ( <i>'prefix'</i> )
</blockquote>
where
<ul>
<li>
<i>'prefix'</i> is the common file prefix
</li>
</ul>
reads the point coordinate data in <i>'prefix.xy'</i> and
the line information in <i>'prefix.xyl'</i>, and displays a plot of the points
and lines.
</p>
<h3 align = "center">
Licensing:
</h3>
<p>
The computer code and data files described and made available on this web page
are distributed under
<a href = "../../txt/gnu_lgpl.txt">the GNU LGPL license.</a>
</p>
<h3 align = "center">
Languages:
</h3>
<p>
<b>XYL_DISPLAY</b> is available in
<a href = "../../m_src/xyl_display/xyl_display.html">a MATLAB version</a>.
</p>
<h3 align = "center">
Related Data and Programs:
</h3>
<p>
<a href = "../../m_src/gridlines/gridlines.html">
GRIDLINES</a>,
a MATLAB library which
gives the user more control over drawing gridlines on a graph
than the builtin "grid on" command.
</p>
<p>
<a href = "../../m_src/mesh_display/mesh_display.html">
MESH_DISPLAY</a>,
a MATLAB program which
reads data defining a polygonal mesh and displays it, with optional numbering.
</p>
<p>
<a href = "../../f_src/plot_points/plot_points.html">
PLOT_POINTS</a>,
a FORTRAN90 program which
reads a set of points from
a file and plots them into an Encapsulated PostScript file.
</p>
<p>
<a href = "../../m_src/ply_display/ply_display.html">
PLY_DISPLAY</a>,
a MATLAB program which
displays an image of a 3D graphics file in PLY format;
</p>
<p>
<a href = "../../m_src/xy_display/xy_display.html">
XY_DISPLAY</a>,
a MATLAB program which
reads an XY file containing
the coordinates of points in 2D,
and displays an image in a MATLAB graphics window;
</p>
<p>
<a href = "../../m_src/xy_io/xy_io.html">
XY_IO</a>,
a MATLAB library which
reads and writes files in the XY, XYL and XYF formats.
</p>
<p>
<a href = "../../m_src/xyf_display/xyf_display.html">
XYF_DISPLAY</a>,
a MATLAB program which
reads XYF information defining points and faces in 2D,
and displays an image in a MATLAB graphics window.
</p>
<p>
<a href = "../../data/xyl/xyl.html">
XYL</a>,
a data directory which
contains examples of XYL files,
a simple 2D graphics point and line format;
</p>
<p>
<a href = "../../cpp_src/xyl_display_opengl/xyl_display_opengl.html">
XYL_DISPLAY_OPENGL</a>,
a C++ program which
reads XYL information defining points and lines in 2D,
and displays an image using OpenGL.
</p>
<p>
<a href = "../../m_src/xyzl_display/xyzl_display.html">
XYZL_DISPLAY</a>,
a MATLAB program which
reads XYZL information defining points and lines in 3D,
and displays an image in a MATLAB graphics window.
</p>
<h3 align = "center">
Source Code:
</h3>
<p>
<ul>
<li>
<a href = "xyl_display.m">xyl_display.m</a>
the source code.
</li>
</ul>
</p>
<h3 align = "center">
Examples and Tests:
</h3>
<p>
<b>ANNULUS</b> defines a set of points and lines that outline a
quadrilateral mesh of a semicircular
annulus.
<ul>
<li>
<a href = "annulus.xy">annulus.xy</a>,
the coordinates of the vertices.
</li>
<li>
<a href = "annulus.xyl">annulus.xyl</a>,
the indices of vertices that form lines.
</li>
<li>
<a href = "annulus.png">annulus.png</a>,
a PNG image of
the plot.
</li>
</ul>
</p>
<p>
<b>SCPACK</b> is a mesh defined by the SCPACK Scwarz-Christoffel
mapping software.
<ul>
<li>
<a href = "scpack.xy">scpack.xy</a>,
the coordinates of the vertices.
</li>
<li>
<a href = "scpack.xyl">scpack.xyl</a>,
the indices of vertices that form lines.
</li>
<li>
<a href = "scpack.png">scpack.png</a>,
a PNG image of
the plot.
</li>
</ul>
</p>
<p>
You can go up one level to <a href = "../m_src.html">
the MATLAB source codes</a>.
</p>
<hr>
<i>
Last revised on 30 July 2009.
</i>
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</body>
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</html>