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<title>Gnuplot.py</title>
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<p><i><a href="index.html">Table of Contents</a></i></p>
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width="10%"><font color="#000000">Gnuplot.py</font>
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<th align="right"><font color="#000000"> </font></th>
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<dl><dt>Gnuplot.py</dt><dd><p>A pipe-based interface to the gnuplot plotting program.</p>
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<dt><p><strong>The Gnuplot.py home page is</strong><p>
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</dt><dd><p> http://gnuplot-py.sourceforge.net</p>
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<p>There you can get the latest version, view the documentation, or
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<p>The best way to get started is to run the demo by typing `python
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demo.py'. This should pop up a few gnuplot windows, one after
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another, containing simple graphs, and also write a postscript file
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called `gp_test.ps' to the current directory. Then look at the code
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for the demo which is in the function `demo()' at the bottom of
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demo.py. This should be enough to get you started making simple plots
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<p>Documentation for Gnuplot.py is in the doc/ subdirectory (which is
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generated automatically from the docstrings using happydoc). And
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don't be shy, just open up the Python files with your favorite text
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editor and take a look.</p>
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<p>For a relatively thorough test of Gnuplot.py, type `python test.py'
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which goes systematically through most Gnuplot.py features.</p>
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<p>Obviously, you must have the gnuplot program if Gnuplot.py is to be of
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any use to you. Gnuplot can be obtained via
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<http://www.cs.dartmouth.edu/gnuplot_info.html>. You also need
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Python's Numerical extension, which is available from
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<http://numpy.sourceforge.net>.</p>
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<p>Gnuplot.py uses Python distutils
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<http://www.python.org/doc/current/inst/inst.html> and can be
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installed by untarring the package, changing into the top-level
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directory, and typing "python setup.py install". The Gnuplot.py
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package is pure Python--no compilation is necessary.</p>
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<p>If you want to try out the demonstration before installing the
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package, type `python demo.py'.</p>
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<p>Gnuplot.py is structured as a python package. That means that it
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installs itself as a subdirectory called `Gnuplot' under a directory
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of your python path (usually site-packages). If you don't want to use
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distutils you can just move the main Gnuplot.py directory there and
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rename it to "Gnuplot".</p>
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<p>There are some configuration options that can be set near the top of
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the platform-dependent files gp-unix.py (Unix), gp_mac.py (Macintosh),
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and gp_win32.py (Windows). (Obviously, you should change the file
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corresponding to your platform.) See the extensive comments in
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gp_unix.py for a description of the meaning of each configuration
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variable. Sensible values are already chosen, so it is quite possible
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that you don't have to change anything.</p>
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<p>Import the main part of the package into your python programs using
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`import Gnuplot'. Some other features can be found in the modules
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Gnuplot.funcutils and Gnuplot.PlotItems.</p>
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<p>For backwards compatibility, an old function-based interface to
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Gnuplot.py (derived from Konrad Hinsen's original Gnuplot.py) is
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available in a separate file, oldplot.py. However, this old interface
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is deprecated and will no longer be developed.</p>
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<p>Installation on Windows
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-----------------------</p>
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<p>I don't run Windows, but thanks to the help of users there is now a
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way to use Gnuplot.py on that platform. Any feedback or additional
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suggestions having to do with Windows would be especially appreciated.</p>
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<p>If you are using a version of Python prior to 2.0, you must install
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the quasi-standard Win32 extensions. This can be obtained from the
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main Windows download page:</p>
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<p> http://www.python.org/download/download_windows.html</p>
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<p>Because the main MS-Windows gnuplot executable (wgnuplot.exe) doesn't
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accept commands on standard input, Gnuplot.py cannot communicate with
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it directly. However, there is a simple little program called
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`pgnuplot.exe' that accepts commands on stdin and passes them to
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wgnuplot. So to run Gnuplot.py on Windows, you need to make sure that
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pgnuplot.exe is installed. It comes with gnuplot since at least
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version 3.7.1. Alternatively you can get pgnuplot.exe alone by
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downloading `testing/windows-stdin.zip' from one of the gnuplot
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<ftp://ftp.gnuplot.vt.edu/pub/gnuplot/testing/windows-stdin.zip>).</p>
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<p>Continue installing Gnuplot.py by following the instructions in the
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previous section.</p>
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<p>Installation on the Macintosh
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-----------------------------</p>
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<p>Thanks to more user help, Gnuplot.py should now work on the Macintosh
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too. Since pipes don't exist on the Mac, communication with gnuplot
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is via a python module called gnuplot_Suites.py (included) which uses
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AppleEvents. Note that you will have to convert the python files to
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Mac text files (different end-of-line character). Currently it is not
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possible to print directly to a printer; however, it should be
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possible to print to a postscript file and print that file manually.
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Also, inline data does not seem to be supported. Let me know if you
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find other problems or have patches to fix Mac limitations.</p>
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<p>I would love to have feedback from people letting me know whether they
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find Gnuplot.py useful. And certainly let me know about any problems,
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suggestions, or enhancements. My address is at the bottom of this
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<p>Gnuplot.py has been tested with gnuplot version 3.7, and I believe it
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should work with version 3.5 (though some features, like enhanced
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postscript mode and binary splot mode, will not work). Let me know if
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you have trouble.</p>
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<p>Gnuplot.py was developed under Linux and Digital Unix; it should work
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without much problem on other unix computers. If you need to modify
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it for your system tell me what was necessary and I'll include your
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changes in a future release.</p>
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<p>Gnuplot.py should also work under Windows and Macintosh (see above).
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Feedback for these platforms is especially appreciated since I can't
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test them myself.</p>
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<p>See the file LICENSE for license info. Basically Gnuplot is GPL.</p>
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<p>See CREDITS.txt for a list of people who have contributed code and/or
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ideas to Gnuplot.py. Thanks especially to Konrad Hinsen
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<hinsen@ibs.ibs.fr>, who wrote the first, procedural interface version
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<mhagger@alum.mit.edu></p>
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<table border="0" cellpadding="5" cellspacing="0" width="100%%">
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<th bgcolor="#99ccff"
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<font color="#000000">
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<a name="Modules">Modules</a>
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<th bgcolor="#99ccff"
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<font color="#000000"> </font>
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<table border="0" cellpadding="5">
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<tr><td valign="top" align="left"><a href="Gnuplot.html">__init__</a></td><td valign="top" align="left"><dl><dt>Gnuplot</dt><dd><p>A pipe-based interface to the gnuplot plotting program.</p>
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<table border="0" cellpadding="5">
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<tr><td valign="top" align="left"><a href="Gnuplot/PlotItems.py.html">PlotItems</a></td><td valign="top" align="left"><dl><dt>PlotItems.py</dt><dd><p>Objects that can be plotted by Gnuplot.</p>
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<tr><td valign="top" align="left"><a href="Gnuplot/_Gnuplot.py.html">_Gnuplot</a></td><td valign="top" align="left"><dl><dt>_Gnuplot.py</dt><dd><p>An object that represents a running gnuplot process.</p>
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<tr><td valign="top" align="left"><a href="Gnuplot/demo.py.html">demo</a></td><td valign="top" align="left"><dl><dt>demo.py</dt><dd><p>Demonstrate the Gnuplot python module.</p>
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<tr><td valign="top" align="left"><a href="Gnuplot/funcutils.py.html">funcutils</a></td><td valign="top" align="left"><dl><dt>funcutils.py</dt><dd><p>Subroutines that tabulate a function's values.</p>
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<tr><td valign="top" align="left"><a href="Gnuplot/gnuplot_Suites.py.html">gnuplot_Suites</a></td><td valign="top" align="left"><p>Suite gnuplot Suite: Events supplied by gnuplot</p>
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<tr><td valign="top" align="left"><a href="Gnuplot/gp.py.html">gp</a></td><td valign="top" align="left"><dl><dt>gp</dt><dd><p>a platform-independent interface to a gnuplot process.</p>
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<tr><td valign="top" align="left"><a href="Gnuplot/gp_mac.py.html">gp_mac</a></td><td valign="top" align="left"><dl><dt>gp_mac</dt><dd><p>an interface to gnuplot for the Macintosh.</p>
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<tr><td valign="top" align="left"><a href="Gnuplot/gp_unix.py.html">gp_unix</a></td><td valign="top" align="left"><dl><dt>gp_unix</dt><dd><p>an interface to gnuplot used for unix platforms.</p>
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<tr><td valign="top" align="left"><a href="Gnuplot/gp_win32.py.html">gp_win32</a></td><td valign="top" align="left"><dl><dt>gp_win32</dt><dd><p>an interface to gnuplot for Windows.</p>
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<tr><td valign="top" align="left"><a href="Gnuplot/oldplot.py.html">oldplot</a></td><td valign="top" align="left"><dl><dt>oldplot.py</dt><dd><p>Obsolete functional interface to Gnuplot.</p>
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<tr><td valign="top" align="left"><a href="Gnuplot/setup.py.html">setup</a></td><td valign="top" align="left"><p>Setup script for the Gnuplot module distribution.</p>
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<tr><td valign="top" align="left"><a href="Gnuplot/test.py.html">test</a></td><td valign="top" align="left"><dl><dt>test.py</dt><dd><p>Exercise the Gnuplot.py module.</p>
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<tr><td valign="top" align="left"><a href="Gnuplot/utils.py.html">utils</a></td><td valign="top" align="left"><dl><dt>utils.py</dt><dd><p>Utility functions used by Gnuplot.</p>
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<p><i><a href="index.html">Table of Contents</a></i></p>
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<i>This document was automatically generated on Fri Jan 26 14:06:11 2001
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