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<html>
<head>
<title>
TRI_SURFACE_IO - Read and Write TRI_SURFACE 3D Graphics Files
</title>
</head>
<body bgcolor="#EEEEEE" link="#CC0000" alink="#FF3300" vlink="#000055">
<h1 align = "center">
TRI_SURFACE_IO <br> Read and Write TRI_SURFACE 3D Graphics Files
</h1>
<hr>
<p>
<b>TRI_SURFACE_IO</b>
is a C++ library which
reads or writes the 3D graphics
information stored in a pair of files that represent a TRI_SURFACE object,
that is, a surface described as a collection of triangles.
</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>TRI_SURFACE_IO</b> is available in
<a href = "../../cpp_src/tri_surface_io/tri_surface_io.html">a C++ version</a> and
<a href = "../../f_src/tri_surface_io/tri_surface_io.html">a FORTRAN90 version</a> and
<a href = "../../m_src/tri_surface_io/tri_surface_io.html">a MATLAB version.</a>
</p>
<h3 align = "center">
Related Data and Programs:
</h3>
<p>
<a href = "../../m_src/ply_to_tri_surface/ply_to_tri_surface.html">
PLY_TO_TRI_SURFACE</a>,
a MATLAB program which
extracts data from a PLY file and writes it to a TRI_SURFACE file.
</p>
<p>
<a href = "../../data/tri_surface/tri_surface.html">
TRI_SURFACE</a>,
a data directory which
has some examples of TRI_SURFACE files.
</p>
<p>
<a href = "../../m_src/tri_surface_display/tri_surface_display.html">
TRI_SURFACE_DISPLAY</a>,
a MATLAB program which
reads a TRI_SURFACE 3D graphics file and displays it in a 3D window.
</p>
<p>
<a href = "../../cpp_src/tri_surface_display_opengl/tri_surface_display_opengl.html">
TRI_SURFACE_DISPLAY_OPENGL</a>,
a C++ program which
displays the 3D graphics information in a TRI_SURFACE file using OpenGL.
</p>
<p>
<a href = "../../m_src/tri_surface_to_ply/tri_surface_to_ply.html">
TRI_SURFACE_TO_PLY</a>,
a MATLAB program which
extracts data from a TRI_SURFACE file and writes it to a PLY file.
</p>
<h3 align = "center">
Source Code:
</h3>
<p>
<ul>
<li>
<a href = "tri_surface_io.cpp">tri_surface_io.cpp</a>, the source code.
</li>
<li>
<a href = "tri_surface_io.hpp">tri_surface_io.hpp</a>, the include file.
</li>
<li>
<a href = "tri_surface_io.sh">tri_surface_io.sh</a>,
commands to compile the source code.
</li>
</ul>
</p>
<h3 align = "center">
Examples and Tests:
</h3>
<p>
<ul>
<li>
<a href = "tri_surface_io_prb.cpp">tri_surface_io_prb.cpp</a>,
a sample calling program.
</li>
<li>
<a href = "tri_surface_io_prb.sh">tri_surface_io_prb.sh</a>,
commands to compile and run the sample program.
</li>
<li>
<a href = "tri_surface_io_prb_output.txt">tri_surface_io_prb_output.txt</a>,
the output file.
</li>
<li>
<a href = "sphere_nodes.txt">sphere_nodes.txt</a>,
the node file for a TRI_SURFACE "sphere" triangular mesh.
</li>
<li>
<a href = "sphere_triangles.txt">sphere_triangles.txt</a>,
the triangle file for a TRI_SURFACE "sphere" triangular mesh.
</li>
<li>
<a href = "cube_nodes.txt">cube_nodes.txt</a>,
the node file for a TRI_SURFACE "cube" triangular mesh.
</li>
<li>
<a href = "cube_triangles.txt">cube_triangles.txt</a>,
the triangle file for a TRI_SURFACE "cube" triangular mesh.
</li>
</ul>
</p>
<h3 align = "center">
List of Routines:
</h3>
<p>
<ul>
<li>
<b>CH_CAP</b> capitalizes a single character.
</li>
<li>
<b>CH_EQI</b> is true if two characters are equal, disregarding case.
</li>
<li>
<b>CH_TO_DIGIT</b> returns the integer value of a base 10 digit.
</li>
<li>
<b>DTABLE_CLOSE_WRITE</b> closes a file to which a DTABLE was to be written.
</li>
<li>
<b>DTABLE_DATA_READ</b> reads the data from a DTABLE file.
</li>
<li>
<b>DTABLE_DATA_WRITE</b> writes data to a DTABLE file.
</li>
<li>
<b>DTABLE_HEADER_READ</b> reads the header from a DTABLE file.
</li>
<li>
<b>DTABLE_HEADER_WRITE</b> writes the header of a DTABLE file.
</li>
<li>
<b>DTABLE_WRITE</b> writes information to a DTABLE file.
</li>
<li>
<b>FILE_COLUMN_COUNT</b> counts the number of columns in the first line of a file.
</li>
<li>
<b>FILE_ROW_COUNT</b> counts the number of row records in a file.
</li>
<li>
<b>I4_MAX</b> returns the maximum of two I4's.
</li>
<li>
<b>I4_MIN</b> returns the smaller of two I4's.
</li>
<li>
<b>I4MAT_TRANSPOSE_PRINT</b> prints an I4MAT, transposed.
</li>
<li>
<b>I4MAT_TRANSPOSE_PRINT_SOME</b> prints some of an I4MAT, transposed.
</li>
<li>
<b>ITABLE_DATA_READ</b> reads data from an ITABLE file.
</li>
<li>
<b>ITABLE_DATA_WRITE</b> writes data to an ITABLE file.
</li>
<li>
<b>ITABLE_HEADER_READ</b> reads the header from an ITABLE file.
</li>
<li>
<b>ITABLE_HEADER_WRITE</b> writes the header of an ITABLE file.
</li>
<li>
<b>ITABLE_WRITE</b> writes information to an ITABLE file.
</li>
<li>
<b>R8_EPSILON</b> returns the R8 roundoff unit.
</li>
<li>
<b>R8MAT_TRANSPOSE_PRINT</b> prints an R8MAT, transposed.
</li>
<li>
<b>R8MAT_TRANSPOSE_PRINT_SOME</b> prints some of an R8MAT, transposed.
</li>
<li>
<b>S_LEN_TRIM</b> returns the length of a string to the last nonblank.
</li>
<li>
<b>S_TO_I4</b> reads an I4 from a string.
</li>
<li>
<b>S_TO_I4VEC</b> reads an I4VEC from a string.
</li>
<li>
<b>S_TO_R8</b> reads an R8 from a string.
</li>
<li>
<b>S_TO_R8VEC</b> reads an R8VEC from a string.
</li>
<li>
<b>S_WORD_COUNT</b> counts the number of "words" in a string.
</li>
<li>
<b>TIMESTAMP</b> prints the current YMDHMS date as a time stamp.
</li>
<li>
<b>TIMESTRING</b> returns the current YMDHMS date as a string.
</li>
<li>
<b>TRI_SURFACE_PRINT</b> prints graphics information from a pair of TRI_SURFACE files.
</li>
<li>
<b>TRI_SURFACE_READ</b> reads graphics information from a pair of TRI_SURFACE files.
</li>
<li>
<b>TRI_SURFACE_SIZE</b> determines the size of a TRI_SURFACE object.
</li>
<li>
<b>TRI_SURFACE_SIZE_PRINT</b> prints sizes associated with a TRI_SURFACE file.
</li>
<li>
<b>TRI_SURFACE_WRITE</b> writes graphics information to a pair of TRI_SURFACE files.
</li>
</ul>
</p>
<p>
You can go up one level to <a href = "../cpp_src.html">
the C++ source codes</a>.
</p>
<hr>
<i>
Last revised on 22 February 2009.
</i>
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