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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 FORTRAN90 library which
reads or writes the 3D graphics
information stored in a pair of files that represent a TRI_SURFACE,
that is, an object whose surface is represented by 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 = "../../f_src/tet_mesh_boundary/tet_mesh_boundary.html">
TET_MESH_BOUNDARY</a>,
a FORTRAN90 program which
returns the nodes and faces of the boundary of a tetrahedral mesh,
which themselves form a 3D triangular mesh or "TRI_SURFACE".
</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 <b>TRI_SURFACE</b> 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.f90">tri_surface_io.f90</a>, the source code.
</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.f90">tri_surface_io_prb.f90</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_elements.txt">sphere_elements.txt</a>,
the element 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_elements.txt">cube_elements.txt</a>,
the element 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 a case insensitive comparison of two characters for equality.
</li>
<li>
<b>CH_TO_DIGIT</b> returns the integer value of a base 10 digit.
</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>GET_UNIT</b> returns a free FORTRAN unit number.
</li>
<li>
<b>I4MAT_DATA_READ</b> reads data from an I4MAT file.
</li>
<li>
<b>I4MAT_HEADER_READ</b> reads the header from an I4MAT.
</li>
<li>
<b>I4MAT_TRANSPOSE_PRINT</b> prints an I4MAT, transposed.
</li>
<li>
<b>I4MAT_TRANSPOSE_PRINT_SOME</b> prints some of the transpose of an I4MAT.
</li>
<li>
<b>I4MAT_WRITE</b> writes an I4MAT file.
</li>
<li>
<b>R8MAT_DATA_READ</b> reads data from an R8MAT file.
</li>
<li>
<b>R8MAT_HEADER_READ</b> reads the header from an R8MAT file.
</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>R8MAT_WRITE</b> writes an R8MAT file.
</li>
<li>
<b>S_BLANK_DELETE</b> removes blanks from a string, left justifying the remainder.
</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>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 = "../f_src.html">
the FORTRAN90 source codes</a>.
</p>
<hr>
<i>
Last revised on 05 December 2010.
</i>
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