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  <div class="section" id="introduction">
<span id="intro"></span><h1>Introduction<a class="headerlink" href="#introduction" title="Permalink to this headline"></a></h1>
<p>PyX is a Python package for the creation of vector graphics. As such it readily
allows one to generate encapsulated PostScript files by providing an abstraction
of the PostScript graphics model.  Based on this layer and in combination with
the full power of the Python language itself, the user can just code any
complexity of the figure wanted. PyX distinguishes itself from other similar
solutions by its TeX/LaTeX interface that enables one to make direct use of the
famous high quality typesetting of these programs.</p>
<p>A major part of PyX on top of the already described basis is the provision of
high level functionality for complex tasks like 2d plots in publication-ready
quality.</p>
<div class="section" id="organisation-of-the-pyx-package">
<h2>Organisation of the PyX package<a class="headerlink" href="#organisation-of-the-pyx-package" title="Permalink to this headline"></a></h2>
<p>The PyX package is split into several modules, which can be categorised in the
following groups</p>
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<tr class="row-odd"><th class="head">Functionality</th>
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<tr class="row-even"><td>basic graphics functionality</td>
<td><a class="reference internal" href="canvas.html#module-canvas" title="canvas"><tt class="xref py py-mod docutils literal"><span class="pre">canvas</span></tt></a>, <a class="reference internal" href="path.html#module-path" title="path"><tt class="xref py py-mod docutils literal"><span class="pre">path</span></tt></a>, <tt class="xref py py-mod docutils literal"><span class="pre">deco</span></tt>,
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<tr class="row-even"><td>linear transformations and units</td>
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<td><a class="reference internal" href="graph.html#module-graph" title="graph"><tt class="xref py py-mod docutils literal"><span class="pre">graph</span></tt></a> (including submodules) and
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<tr class="row-even"><td>EPS file inclusion</td>
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</tr>
</tbody>
</table>
<p>These modules (and some other less import ones) are imported into the module
namespace by using</p>
<div class="highlight-python"><div class="highlight"><pre><span class="kn">from</span> <span class="nn">pyx</span> <span class="kn">import</span> <span class="o">*</span>
</pre></div>
</div>
<p>at the beginning of the Python program.  However, in order to prevent namespace
pollution, you may also simply use <tt class="docutils literal"><span class="pre">import</span> <span class="pre">pyx</span></tt>. Throughout this manual, we
shall always assume the presence of the above given import line.</p>
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  <h3><a href="manual.html">Table Of Contents</a></h3>
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<li><a class="reference internal" href="#">Introduction</a><ul>
<li><a class="reference internal" href="#organisation-of-the-pyx-package">Organisation of the PyX package</a></li>
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