<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>old_animation example code: dynamic_image_wxagg2.py — Matplotlib 1.2.0 documentation</title> <link rel="stylesheet" href="../../_static/mpl.css" type="text/css" /> <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" /> <script type="text/javascript"> var DOCUMENTATION_OPTIONS = { URL_ROOT: '../../', VERSION: '1.2.0', COLLAPSE_INDEX: false, FILE_SUFFIX: '.html', HAS_SOURCE: true }; </script> <script type="text/javascript" src="../../_static/jquery.js"></script> <script type="text/javascript" src="../../_static/underscore.js"></script> <script type="text/javascript" src="../../_static/doctools.js"></script> <link rel="search" type="application/opensearchdescription+xml" title="Search within Matplotlib 1.2.0 documentation" href="../../_static/opensearch.xml"/> <link rel="top" title="Matplotlib 1.2.0 documentation" href="../../index.html" /> </head> <body> <!-- Piwik --> <script type="text/javascript"> if ("matplotlib.sourceforge.net" == document.location.hostname || "matplotlib.sf.net" == document.location.hostname) { var pkBaseURL = (("https:" == document.location.protocol) ? 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A copy should be included</span> <span class="sd">with this source code, and is also available at</span> <span class="sd">http://www.python.org/psf/license.html</span> <span class="sd">"""</span> <span class="kn">import</span> <span class="nn">sys</span><span class="o">,</span> <span class="nn">time</span><span class="o">,</span> <span class="nn">os</span><span class="o">,</span> <span class="nn">gc</span> <span class="kn">import</span> <span class="nn">matplotlib</span> <span class="n">matplotlib</span><span class="o">.</span><span class="n">use</span><span class="p">(</span><span class="s">'WXAgg'</span><span class="p">)</span> <span class="kn">from</span> <span class="nn">matplotlib</span> <span class="kn">import</span> <span class="n">rcParams</span> <span class="kn">import</span> <span class="nn">numpy</span> <span class="kn">as</span> <span class="nn">npy</span> <span class="kn">import</span> <span class="nn">matplotlib.cm</span> <span class="kn">as</span> <span class="nn">cm</span> <span class="kn">from</span> <span class="nn">matplotlib.backends.backend_wxagg</span> <span class="kn">import</span> <span class="n">FigureCanvasWxAgg</span> <span class="kn">from</span> <span class="nn">matplotlib.backends.backend_wx</span> <span class="kn">import</span> <span class="n">NavigationToolbar2Wx</span> <span class="kn">from</span> <span class="nn">matplotlib.figure</span> <span class="kn">import</span> <span class="n">Figure</span> <span class="kn">from</span> <span class="nn">wx</span> <span class="kn">import</span> <span class="o">*</span> <span class="n">TIMER_ID</span> <span class="o">=</span> <span class="n">NewId</span><span class="p">()</span> <span class="k">class</span> <span class="nc">PlotFigure</span><span class="p">(</span><span class="n">Frame</span><span class="p">):</span> <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> <span class="n">Frame</span><span class="o">.</span><span class="n">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="bp">None</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="s">"Test embedded wxFigure"</span><span class="p">)</span> <span class="bp">self</span><span class="o">.</span><span class="n">fig</span> <span class="o">=</span> <span class="n">Figure</span><span class="p">((</span><span class="mi">5</span><span class="p">,</span><span class="mi">4</span><span class="p">),</span> <span class="mi">75</span><span class="p">)</span> <span class="bp">self</span><span class="o">.</span><span class="n">canvas</span> <span class="o">=</span> <span class="n">FigureCanvasWxAgg</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">fig</span><span class="p">)</span> <span class="bp">self</span><span class="o">.</span><span class="n">toolbar</span> <span class="o">=</span> <span class="n">NavigationToolbar2Wx</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">canvas</span><span class="p">)</span> <span class="bp">self</span><span class="o">.</span><span class="n">toolbar</span><span class="o">.</span><span class="n">Realize</span><span class="p">()</span> <span class="c"># On Windows, default frame size behaviour is incorrect</span> <span class="c"># you don't need this under Linux</span> <span class="n">tw</span><span class="p">,</span> <span class="n">th</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">toolbar</span><span class="o">.</span><span class="n">GetSizeTuple</span><span class="p">()</span> <span class="n">fw</span><span class="p">,</span> <span class="n">fh</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">canvas</span><span class="o">.</span><span class="n">GetSizeTuple</span><span class="p">()</span> <span class="bp">self</span><span class="o">.</span><span class="n">toolbar</span><span class="o">.</span><span class="n">SetSize</span><span class="p">(</span><span class="n">Size</span><span class="p">(</span><span class="n">fw</span><span class="p">,</span> <span class="n">th</span><span class="p">))</span> <span class="c"># Create a figure manager to manage things</span> <span class="c"># Now put all into a sizer</span> <span class="n">sizer</span> <span class="o">=</span> <span class="n">BoxSizer</span><span class="p">(</span><span class="n">VERTICAL</span><span class="p">)</span> <span class="c"># This way of adding to sizer allows resizing</span> <span class="n">sizer</span><span class="o">.</span><span class="n">Add</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">canvas</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="n">LEFT</span><span class="o">|</span><span class="n">TOP</span><span class="o">|</span><span class="n">GROW</span><span class="p">)</span> <span class="c"># Best to allow the toolbar to resize!</span> <span class="n">sizer</span><span class="o">.</span><span class="n">Add</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">toolbar</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="n">GROW</span><span class="p">)</span> <span class="bp">self</span><span class="o">.</span><span class="n">SetSizer</span><span class="p">(</span><span class="n">sizer</span><span class="p">)</span> <span class="bp">self</span><span class="o">.</span><span class="n">Fit</span><span class="p">()</span> <span class="n">EVT_TIMER</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">TIMER_ID</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">onTimer</span><span class="p">)</span> <span class="k">def</span> <span class="nf">init_plot_data</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> <span class="c"># jdh you can add a subplot directly from the fig rather than</span> <span class="c"># the fig manager</span> <span class="n">a</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">fig</span><span class="o">.</span><span class="n">add_axes</span><span class="p">([</span><span class="mf">0.075</span><span class="p">,</span><span class="mf">0.1</span><span class="p">,</span><span class="mf">0.75</span><span class="p">,</span><span class="mf">0.85</span><span class="p">])</span> <span class="n">cax</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">fig</span><span class="o">.</span><span class="n">add_axes</span><span class="p">([</span><span class="mf">0.85</span><span class="p">,</span><span class="mf">0.1</span><span class="p">,</span><span class="mf">0.075</span><span class="p">,</span><span class="mf">0.85</span><span class="p">])</span> <span class="bp">self</span><span class="o">.</span><span class="n">x</span> <span class="o">=</span> <span class="n">npy</span><span class="o">.</span><span class="n">empty</span><span class="p">((</span><span class="mi">120</span><span class="p">,</span><span class="mi">120</span><span class="p">))</span> <span class="bp">self</span><span class="o">.</span><span class="n">x</span><span class="o">.</span><span class="n">flat</span> <span class="o">=</span> <span class="n">npy</span><span class="o">.</span><span class="n">arange</span><span class="p">(</span><span class="mf">120.0</span><span class="p">)</span><span class="o">*</span><span class="mi">2</span><span class="o">*</span><span class="n">npy</span><span class="o">.</span><span class="n">pi</span><span class="o">/</span><span class="mf">120.0</span> <span class="bp">self</span><span class="o">.</span><span class="n">y</span> <span class="o">=</span> <span class="n">npy</span><span class="o">.</span><span class="n">empty</span><span class="p">((</span><span class="mi">120</span><span class="p">,</span><span class="mi">120</span><span class="p">))</span> <span class="bp">self</span><span class="o">.</span><span class="n">y</span><span class="o">.</span><span class="n">flat</span> <span class="o">=</span> <span class="n">npy</span><span class="o">.</span><span class="n">arange</span><span class="p">(</span><span class="mf">120.0</span><span class="p">)</span><span class="o">*</span><span class="mi">2</span><span class="o">*</span><span class="n">npy</span><span class="o">.</span><span class="n">pi</span><span class="o">/</span><span class="mf">100.0</span> <span class="bp">self</span><span class="o">.</span><span class="n">y</span> <span class="o">=</span> <span class="n">npy</span><span class="o">.</span><span class="n">transpose</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">y</span><span class="p">)</span> <span class="n">z</span> <span class="o">=</span> <span class="n">npy</span><span class="o">.</span><span class="n">sin</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">x</span><span class="p">)</span> <span class="o">+</span> <span class="n">npy</span><span class="o">.</span><span class="n">cos</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">y</span><span class="p">)</span> <span class="bp">self</span><span class="o">.</span><span class="n">im</span> <span class="o">=</span> <span class="n">a</span><span class="o">.</span><span class="n">imshow</span><span class="p">(</span> <span class="n">z</span><span class="p">,</span> <span class="n">cmap</span><span class="o">=</span><span class="n">cm</span><span class="o">.</span><span class="n">jet</span><span class="p">)</span><span class="c">#, interpolation='nearest')</span> <span class="bp">self</span><span class="o">.</span><span class="n">fig</span><span class="o">.</span><span class="n">colorbar</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">im</span><span class="p">,</span><span class="n">cax</span><span class="o">=</span><span class="n">cax</span><span class="p">,</span><span class="n">orientation</span><span class="o">=</span><span class="s">'vertical'</span><span class="p">)</span> <span class="k">def</span> <span class="nf">GetToolBar</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> <span class="c"># You will need to override GetToolBar if you are using an</span> <span class="c"># unmanaged toolbar in your frame</span> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">toolbar</span> <span class="k">def</span> <span class="nf">onTimer</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">evt</span><span class="p">):</span> <span class="bp">self</span><span class="o">.</span><span class="n">x</span> <span class="o">+=</span> <span class="n">npy</span><span class="o">.</span><span class="n">pi</span><span class="o">/</span><span class="mi">15</span> <span class="bp">self</span><span class="o">.</span><span class="n">y</span> <span class="o">+=</span> <span class="n">npy</span><span class="o">.</span><span class="n">pi</span><span class="o">/</span><span class="mi">20</span> <span class="n">z</span> <span class="o">=</span> <span class="n">npy</span><span class="o">.</span><span class="n">sin</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">x</span><span class="p">)</span> <span class="o">+</span> <span class="n">npy</span><span class="o">.</span><span class="n">cos</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">y</span><span class="p">)</span> <span class="bp">self</span><span class="o">.</span><span class="n">im</span><span class="o">.</span><span class="n">set_array</span><span class="p">(</span><span class="n">z</span><span class="p">)</span> <span class="bp">self</span><span class="o">.</span><span class="n">canvas</span><span class="o">.</span><span class="n">draw</span><span class="p">()</span> <span class="c">#self.canvas.gui_repaint() # jdh wxagg_draw calls this already</span> <span class="k">def</span> <span class="nf">onEraseBackground</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">evt</span><span class="p">):</span> <span class="c"># this is supposed to prevent redraw flicker on some X servers...</span> <span class="k">pass</span> <span class="k">if</span> <span class="n">__name__</span> <span class="o">==</span> <span class="s">'__main__'</span><span class="p">:</span> <span class="n">app</span> <span class="o">=</span> <span class="n">PySimpleApp</span><span class="p">()</span> <span class="n">frame</span> <span class="o">=</span> <span class="n">PlotFigure</span><span class="p">()</span> <span class="n">frame</span><span class="o">.</span><span class="n">init_plot_data</span><span class="p">()</span> <span class="c"># Initialise the timer - wxPython requires this to be connected to</span> <span class="c"># the receiving event handler</span> <span class="n">t</span> <span class="o">=</span> <span class="n">Timer</span><span class="p">(</span><span class="n">frame</span><span class="p">,</span> <span class="n">TIMER_ID</span><span class="p">)</span> <span class="n">t</span><span class="o">.</span><span class="n">Start</span><span class="p">(</span><span class="mi">200</span><span class="p">)</span> <span class="n">frame</span><span class="o">.</span><span class="n">Show</span><span class="p">()</span> <span class="n">app</span><span class="o">.</span><span class="n">MainLoop</span><span class="p">()</span> </pre></div> </div> <p>Keywords: python, matplotlib, pylab, example, codex (see <a class="reference internal" href="../../faq/howto_faq.html#how-to-search-examples"><em>Search examples</em></a>)</p> </div> </div> </div> </div> <div class="clearer"></div> </div> <div class="related"> <h3>Navigation</h3> <ul> <li class="right" style="margin-right: 10px"> <a href="../../genindex.html" title="General Index" >index</a></li> <li class="right" > <a href="../../py-modindex.html" title="Python Module Index" >modules</a> |</li> <li><a href="../../index.html">home</a>| </li> <li><a href="../../search.html">search</a>| </li> <li><a href="../index.html">examples</a>| </li> <li><a href="../../gallery.html">gallery</a>| </li> <li><a href="../../contents.html">docs</a> 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