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<div class="section" id="glossary">

<span id="id1"></span><h1>Glossary<a class="headerlink" href="#glossary" title="Permalink to this headline">¶</a></h1>

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<dt id="term-agg">AGG</dt><dd>The Anti-Grain Geometry (<a class="reference external" href="http://antigrain.com/">Agg</a>) rendering

engine, capable of rendering high-quality images</dd>

<dt id="term-cairo">Cairo</dt><dd>The <a class="reference external" href="https://cairographics.org">Cairo graphics</a> engine</dd>

<dt id="term-freetype">FreeType</dt><dd><a class="reference external" href="https://www.freetype.org/">FreeType</a> is a font rasterization

library used by matplotlib which supports TrueType, Type 1, and

OpenType fonts.</dd>

<dt id="term-gtk">GTK</dt><dd>The GIMP Toolkit (<a class="reference external" href="https://www.gtk.org/">GTK</a>) graphical user interface

library</dd>

<dt id="term-pygobject">PyGObject</dt><dd><a class="reference external" href="http://www.pygtk.org/">PyGObject</a> provides Python wrappers for the

<a class="reference internal" href="#term-gtk"><span class="xref std std-term">GTK</span></a> widgets library</dd>

<dt id="term-pyqt">pyqt</dt><dd><a class="reference external" href="https://wiki.python.org/moin/PyQt">pyqt</a> provides python

wrappers for the <a class="reference internal" href="#term-qt"><span class="xref std std-term">Qt</span></a> widgets library and is required by

the matplotlib Qt5Agg and Qt4Agg backends. Widely used on linux

and windows; many linux distributions package this as

'python-qt5' or 'python-qt4'.</dd>

<dt id="term-qt">Qt</dt><dd><a class="reference external" href="https://www.qt.io/">Qt</a> is a cross-platform

application framework for desktop and embedded development.</dd>

<dt id="term-qt4">Qt4</dt><dd><a class="reference external" href="https://doc.qt.io/archives/qt-4.8/index.html">Qt4</a> is the previous,

but most widely used, version of Qt cross-platform application

framework for desktop and embedded development.</dd>

<dt id="term-qt5">Qt5</dt><dd><a class="reference external" href="http://doc.qt.io/qt-5/index.html">Qt5</a> is the current

version of Qt cross-platform application

framework for desktop and embedded development.</dd>

<dt id="term-tk">Tk</dt><dd><a class="reference external" href="http://www.tcl.tk/">Tk</a> is a graphical user interface for Tcl

and many other dynamic languages. It can produce rich, native

applications that run unchanged across Windows, Mac OS X, Linux

and more.</dd>

<dt id="term-wxpython">wxpython</dt><dd><a class="reference external" href="https://www.wxpython.org/">wxpython</a> provides python wrappers

for the <a class="reference internal" href="#term-wxwidgets"><span class="xref std std-term">wxWidgets</span></a> library for use with the WX and WXAgg

backends. Widely used on linux, OS-X and windows, it is often

packaged by linux distributions as 'python-wxgtk'</dd>

<dt id="term-wxwidgets">wxWidgets</dt><dd><a class="reference external" href="http://www.wxwidgets.org/">WX</a> is cross-platform GUI and

tools library for GTK, MS Windows, and MacOS. It uses native

widgets for each operating system, so applications will have the

look-and-feel that users on that operating system expect.</dd>

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