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<html>
<head>
<title>
TETRAHEDRON_PROPERTIES - Compute Properties of a Tetrahedron
</title>
</head>
<body bgcolor="#EEEEEE" link="#CC0000" alink="#FF3300" vlink="#000055">
<h1 align = "center">
TETRAHEDRON_PROPERTIES <br> Compute Properties of a Tetrahedron
</h1>
<hr>
<p>
<b>TETRAHEDRON_PROPERTIES</b>
is a MATLAB program which
computes properties of a tetrahedron in 3D, including the centroid,
circumsphere, dihedral angles, edge lengths, face angles, face areas,
insphere, quality, solid angles, and volume.
</p>
<h3 align = "center">
Usage:
</h3>
<p>
<blockquote>
<b>tetrahedron_properties</b> <i>filename</i>
</blockquote>
where <i>filename</i> contains the vertex coordinates.
</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>TETRAHEDRON_PROPERTIES</b> is available in
<a href = "../../cpp_src/tetrahedron_properties/tetrahedron_properties.html">a C++ version</a> and
<a href = "../../f77_src/tetrahedron_properties/tetrahedron_properties.html">a FORTRAN77 version</a> and
<a href = "../../f_src/tetrahedron_properties/tetrahedron_properties.html">a FORTRAN90 version</a> and
<a href = "../../m_src/tetrahedron_properties/tetrahedron_properties.html">a MATLAB version</a>.
</p>
<h3 align = "center">
Related Data and Programs:
</h3>
<p>
<a href = "../../m_src/geometry/geometry.html">
GEOMETRY</a>,
a MATLAB library which
performs geometric calculations in 2, 3 and N dimensional space.
</p>
<p>
<a href = "../../m_src/hypersphere_properties/hypersphere_properties.html">
HYPERSPHERE_PROPERTIES</a>,
a MATLAB library which
carries out various operations for an M-dimensional hypersphere, including
converting between Cartesian and spherical coordinates,
stereographic projection, sampling the surface of the sphere, and
computing the surface area and volume.
</p>
<p>
<a href = "../../m_src/polygon_properties/polygon_properties.html">
POLYGON_PROPERTIES</a>,
a MATLAB library which
computes properties of an arbitrary polygon in the plane, defined
by a sequence of vertices, including interior angles, area, centroid,
containment of a point, convexity, diameter, distance to a point,
inradius, lattice area, nearest point in set, outradius, uniform sampling.
</p>
<p>
<a href = "../../m_src/tetrahedron_slice_display/tetrahedron_slice_display.html">
TETRAHEDRON_SLICE_DISPLAY</a>,
a MATLAB program which
determines the intersection between a tetrahedron and a plane and
displays the result.
</p>
<p>
<a href = "../../datasets/tetrahedrons/tetrahedrons.html">
TETRAHEDRONS</a>,
a dataset directory which
contains examples of tetrahedrons;
</p>
<p>
<a href = "../../m_src/triangle_properties/triangle_properties.html">
TRIANGLE_PROPERTIES</a>,
a MATLAB program which
computes properties of a triangle
whose vertex coordinates are read from a file.
</p>
<h3 align = "center">
Source Code:
</h3>
<p>
<ul>
<li>
<a href = "tetrahedron_properties.m">tetrahedron_properties.m</a>, the source code.
</li>
</ul>
</p>
<h3 align = "center">
Examples and Tests:
</h3>
<p>
<ul>
<li>
<a href = "../../datasets/tetrahedrons/tet_cap.txt">tet_cap.txt</a>,
a "cap" tetrahedron.
</li>
<li>
<a href = "tet_cap_output.txt">tet_cap_output.txt</a>,
the output file.
</li>
<li>
<a href = "../../datasets/tetrahedrons/tet_equilateral.txt">tet_equilateral.txt</a>,
an equilateral tetrahedron.
</li>
<li>
<a href = "tet_equilateral_output.txt">tet_equilateral_output.txt</a>,
the output file.
</li>
<li>
<a href = "../../datasets/tetrahedrons/tet_needle.txt">tet_needle.txt</a>,
a "needle" tetrahedron.
</li>
<li>
<a href = "tet_needle_output.txt">tet_needle_output.txt</a>,
the output file.
</li>
<li>
<a href = "../../datasets/tetrahedrons/tet_right.txt">tet_right.txt</a>,
a right tetrahedron.
</li>
<li>
<a href = "tet_right_output.txt">tet_right_output.txt</a>,
the output file.
</li>
<li>
<a href = "../../datasets/tetrahedrons/tet_sliver.txt">tet_sliver.txt</a>,
a "sliver" tetrahedron.
</li>
<li>
<a href = "tet_sliver_output.txt">tet_sliver_output.txt</a>,
the output file.
</li>
<li>
<a href = "../../datasets/tetrahedrons/tet_spindle.txt">tet_spindle.txt</a>,
a "spindle" tetrahedron.
</li>
<li>
<a href = "tet_spindle_output.txt">tet_spindle_output.txt</a>,
the output file.
</li>
<li>
<a href = "../../datasets/tetrahedrons/tet_wedge.txt">tet_wedge.txt</a>,
a "wedge" tetrahedron.
</li>
<li>
<a href = "tet_wedge_output.txt">tet_wedge_output.txt</a>,
the output file.
</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 08 July 2009.
</i>
<!-- John Burkardt -->
</body>
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</html>