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stla_io.html
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<html>
<head>
<title>
STLA_IO - Read and Write Routines for STL ASCII 3D Graphics Files
</title>
</head>
<body bgcolor="#EEEEEE" link="#CC0000" alink="#FF3300" vlink="#000055">
<h1 align = "center">
STLA_IO <br> Read and Write Routines <br> STL ASCII 3D Graphics Files
</h1>
<hr>
<p>
<b>STLA_IO</b>
is a C++ library which
reads and writes the 3D graphics information
stored in an ASCII STL (stereolithography) file.
</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>STLA_IO</b> is available in
<a href = "../../cpp_src/stla_io/stla_io.html">a C++ version</a> and
<a href = "../../f_src/stla_io/stla_io.html">a FORTRAN90 version</a> and
<a href = "../../m_src/stla_io/stla_io.html">a MATLAB version</a>.
</p>
<h3 align = "center">
Related Data and Programs:
</h3>
<p>
<a href = "../../cpp_src/ivcon/ivcon.html">
IVCON</a>,
a C++ program which
can convert graphics information between STLA and other formats.
</p>
<p>
<a href = "../../f_src/ivread/ivread.html">
IVREAD</a>,
a FORTRAN90 program which
can convert graphics information between STLA and other formats.
</p>
<p>
<a href = "../../data/stla/stla.html">
STLA</a>,
a data directory which
contains some examples of STLA files.
</p>
<p>
<a href = "../../m_src/stla_display/stla_display.html">
STLA_DISPLAY</a>,
a MATLAB program which
can read an STLA file and display it on the screen.
</p>
<h3 align = "center">
Reference:
</h3>
<p>
<ol>
<li>
3D Systems, Inc,<br>
Stereolithography Interface Specification,<br>
October 1989.
</li>
</ol>
</p>
<h3 align = "center">
Source Code:
</h3>
<p>
<ul>
<li>
<a href = "stla_io.cpp">stla_io.cpp</a>, the source code.
</li>
<li>
<a href = "stla_io.hpp">stla_io.hpp</a>, the include file.
</li>
<li>
<a href = "stla_io.sh">stla_io.sh</a>,
commands to compile the source code.
</li>
</ul>
</p>
<h3 align = "center">
Examples and Tests:
</h3>
<p>
<ul>
<li>
<a href = "stla_io_prb.cpp">stla_io_prb.cpp</a>,
a sample calling program.
</li>
<li>
<a href = "stla_io_prb.sh">stla_io_prb.sh</a>,
commands to compile and run the sample program.
</li>
<li>
<a href = "../../data/stla/cube.stla">cube.stla</a>,
a simple STLA file that describes a cube.
</li>
<li>
<a href = "cube_new.stla">cube_new.stla</a>,
an STLA file describing a cube, written by STLA_WRITE.
</li>
<li>
<a href = "stla_io_prb_output.txt">stla_io_prb_output.txt</a>,
the output file.
</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>I4_MIN</b> returns the smaller of two integers.
</li>
<li>
<b>R8_MAX</b> returns the maximum of two R8's.
</li>
<li>
<b>R8_MIN</b> returns the minimum of two R8's.
</li>
<li>
<b>R8VEC_CROSS_3D</b> computes the cross product of two R8VEC's in 3D.
</li>
<li>
<b>R8VEC_DOT</b> computes the dot product of two R8VEC's.
</li>
<li>
<b>R8VEC_LENGTH</b> returns the Euclidean length of the vector X
</li>
<li>
<b>S_CAT</b> concatenates two strings to make a third string.
</li>
<li>
<b>S_EQI</b> reports whether two strings are equal, ignoring case.
</li>
<li>
<b>S_LEN_TRIM</b> returns the length of a string to the last nonblank.
</li>
<li>
<b>S_TO_R8</b> reads an R8 from a string.
</li>
<li>
<b>STLA_CHECK</b> checks an ASCII StereoLithography file.
</li>
<li>
<b>STLA_FACE_NODE_PRINT</b> prints the node indices for each face.
</li>
<li>
<b>STLA_FACE_NORMAL_COMPUTE</b> computes normal vectors for an ASCII StereoLithography file.
</li>
<li>
<b>STLA_FACE_NORMAL_PRINT</b> prints the normal vectors.
</li>
<li>
<b>STLA_NODE_XYZ_PRINT</b> prints the node coordinates.
</li>
<li>
<b>STLA_OFFSET_GET</b> gets the STLA offset.
</li>
<li>
<b>STLA_OFFSET_SET</b> sets the STLA offset.
</li>
<li>
<b>STLA_READ</b> reads graphics information from an ASCII StereoLithography file.
</li>
<li>
<b>STLA_SIZE</b> determines sizes associated with an STLA file.
</li>
<li>
<b>STLA_SIZE_PRINT</b> prints sizes associated with an STLA file.
</li>
<li>
<b>STLA_WRITE</b> writes an ASCII STL (stereolithography) file.
</li>
<li>
<b>TIMESTAMP</b> prints the current YMDHMS date as a time stamp.
</li>
<li>
<b>WORD_NEXT_READ</b> "reads" words from a string, one at a time.
</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 15 February 2007.
</i>
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