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<html>
<head>
<title>
PBMA_IO - Read and Write Portable Bit Map (ASCII) Files
</title>
</head>
<body bgcolor="#EEEEEE" link="#CC0000" alink="#FF3300" vlink="#000055">
<h1 align = "center">
PBMA_IO <br> Portable Bit Map (ASCII) Files <br> Read and Write Utilities
</h1>
<hr>
<p>
<b>PBMA_IO</b>
is a FORTRAN90 library which
reads and writes files in the ASCII Portable Bit Map (PBM)
format for 2D black/white graphics information.
</p>
<p>
There are many graphics programs, such as XV and GIMP, that can
display images in this format, or translate them to other formats
such as BMP, GIF, JPEG, MacPaint, X Window, and so on.
</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>PBMA_IO</b> is available in
<a href = "../../c_src/pbma_io/pbma_io.html">a C version</a> and
<a href = "../../cpp_src/pbma_io/pbma_io.html">a C++ version</a> and
<a href = "../../f77_src/pbma_io/pbma_io.html">a FORTRAN77 version</a> and
<a href = "../../f_src/pbma_io/pbma_io.html">a FORTRAN90 version</a> and
<a href = "../../m_src/pbma_io/pbma_io.html">a MATLAB version</a>.
</p>
<h3 align = "center">
Related Data and Programs:
</h3>
<p>
<a href = "../../data/pbma/pbma.html">
PBMA</a>,
a data directory which
contains some example ASCII PBM files.
</p>
<p>
<a href = "../../f_src/pgma_io/pgma_io.html">
PGMA_IO<a>,
a FORTRAN90 library which
handles the ASCII Portable Gray Map format.
</p>
<p>
<a href = "../../f_src/ppma_io/ppma_io.html">
PPMA_IO<a>,
a FORTRAN90 library which
handles the ASCII Portable Pixel Map format.
</p>
<h3 align = "center">
Reference:
</h3>
<p>
<ol>
<li>
<a href = "http://netpbm.sourceforge.net/">the NETPBM homepage</a>.
</li>
</ol>
</p>
<h3 align = "center">
Source Code:
</h3>
<p>
<ul>
<li>
<a href = "pbma_io.f90">pbma_io.f90</a>, the source code;
</li>
<li>
<a href = "pbma_io.sh">pbma_io.sh</a>,
commands to compile the source code;
</li>
</ul>
</p>
<h3 align = "center">
Examples and Tests:
</h3>
<p>
<ul>
<li>
<a href = "pbma_io_prb.f90">pbma_io_prb.f90</a>, the calling program;
</li>
<li>
<a href = "pbma_io_prb.sh">pbma_io_prb.sh</a>,
commands to compile, link and run the calling program;
</li>
<li>
<a href = "pbma_io_prb_output.txt">pbma_io_prb_output.txt</a>,
the output file.
</li>
<li>
<a href = "pbma_io_prb_01.png">pbma_io_prb_01.png</a>,
a <a href = "../../data/png/png.html">PNG</a> image of
example plot #1.
</li>
<li>
<a href = "pbma_io_prb_02.png">pbma_io_prb_02.png</a>,
a <a href = "../../data/png/png.html">PNG</a> image of
example plot #2.
</li>
</ul>
</p>
<h3 align = "center">
List of Routines:
</h3>
<p>
<ul>
<li>
<b>CH_CAP</b> capitalizes a single character.
</li>
<li>
<b>GET_UNIT</b> returns a free FORTRAN unit number.
</li>
<li>
<b>GETINT</b> reads an integer from a file.
</li>
<li>
<b>PBMA_CHECK_DATA</b> checks ASCII PBM data.
</li>
<li>
<b>PBMA_EXAMPLE</b> sets up sample ASCII PBM data.
</li>
<li>
<b>PBMA_READ_DATA</b> reads the data in an ASCII PBM file.
</li>
<li>
<b>PBMA_READ_HEADER</b> reads the header of an ASCII PBM file.
</li>
<li>
<b>PBMA_READ_TEST</b> tests an ASCII PBM file.
</li>
<li>
<b>PBMA_WRITE</b> writes an ASCII PBM file.
</li>
<li>
<b>PBMA_WRITE_DATA</b> writes the data of an ASCII PBM file.
</li>
<li>
<b>PBMA_WRITE_HEADER</b> writes the header of an ASCII PBM file.
</li>
<li>
<b>PBMA_WRITE_TEST</b> tests the ASCII PBM write routines.
</li>
<li>
<b>S_EQI</b> is a case insensitive comparison of two strings for equality.
</li>
<li>
<b>S_TO_I4</b> reads an I4 from a string.
</li>
<li>
<b>WORD_NEXT_RD</b> "reads" words from a string, one at a time.
</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 04 June 2010.
</i>
<!-- John Burkardt -->
</body>
</html>