<divid="unreleased-message"> You are reading an old version of the documentation (v1.2.1). For the latest version see <ahref="/stable/">https://matplotlib.org/stable/</a></div>
<spanid="toolkit-natgrid"></span><h2>Natgrid<aclass="headerlink" href="#natgrid" title="Permalink to this headline">¶</a></h2>
<p>mpl_toolkits.natgrid is an interface to natgrid C library for gridding
irregularly spaced data. This requires a separate installation of the
natgrid toolkit from the sourceforge <aclass="reference external" href="http://sourceforge.net/project/showfiles.php?group_id=80706&package_id=142792">download</a>
page.</p>
</div>
<divclass="section" id="mplot3d">
<spanid="toolkit-mplot3d"></span><h2>mplot3d<aclass="headerlink" href="#mplot3d" title="Permalink to this headline">¶</a></h2>
<p>mpl_toolkits.mplot3d provides some basic 3D plotting (scatter, surf,
line, mesh) tools. Not the fastest or feature complete 3D library out
there, but ships with matplotlib and thus may be a lighter weight
solution for some use cases.</p>
<p>See <aclass="reference internal" href="mplot3d/index.html#toolkit-mplot3d-index"><em>mplot3d</em></a> for more documentation and examples.</p>
</div>
<divclass="section" id="axesgrid">
<spanid="toolkit-axes-grid"></span><h2>AxesGrid<aclass="headerlink" href="#axesgrid" title="Permalink to this headline">¶</a></h2>
<p>The matplotlib AxesGrid toolkit is a collection of helper classes to
ease displaying multiple images in matplotlib. The AxesGrid toolkit is