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<h1>Source code for matplotlib.spines</h1><div class="highlight"><pre>
<span></span><span class="kn">import</span> <span class="nn">numpy</span> <span class="k">as</span> <span class="nn">np</span>
<span class="kn">import</span> <span class="nn">matplotlib</span>
<span class="kn">from</span> <span class="nn">matplotlib</span> <span class="kn">import</span> <span class="n">cbook</span><span class="p">,</span> <span class="n">docstring</span><span class="p">,</span> <span class="n">rcParams</span>
<span class="kn">from</span> <span class="nn">matplotlib.artist</span> <span class="kn">import</span> <span class="n">allow_rasterization</span>
<span class="kn">import</span> <span class="nn">matplotlib.cbook</span> <span class="k">as</span> <span class="nn">cbook</span>
<span class="kn">import</span> <span class="nn">matplotlib.transforms</span> <span class="k">as</span> <span class="nn">mtransforms</span>
<span class="kn">import</span> <span class="nn">matplotlib.patches</span> <span class="k">as</span> <span class="nn">mpatches</span>
<span class="kn">import</span> <span class="nn">matplotlib.path</span> <span class="k">as</span> <span class="nn">mpath</span>
<div class="viewcode-block" id="Spine"><a class="viewcode-back" href="../../api/spines_api.html#matplotlib.spines.Spine">[docs]</a><span class="k">class</span> <span class="nc">Spine</span><span class="p">(</span><span class="n">mpatches</span><span class="o">.</span><span class="n">Patch</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> An axis spine -- the line noting the data area boundaries</span>
<span class="sd"> Spines are the lines connecting the axis tick marks and noting the</span>
<span class="sd"> boundaries of the data area. They can be placed at arbitrary</span>
<span class="sd"> positions. See function:`~matplotlib.spines.Spine.set_position`</span>
<span class="sd"> for more information.</span>
<span class="sd"> The default position is ``('outward',0)``.</span>
<span class="sd"> Spines are subclasses of class:`~matplotlib.patches.Patch`, and</span>
<span class="sd"> inherit much of their behavior.</span>
<span class="sd"> Spines draw a line, a circle, or an arc depending if</span>
<span class="sd"> function:`~matplotlib.spines.Spine.set_patch_line`,</span>
<span class="sd"> function:`~matplotlib.spines.Spine.set_patch_circle`, or</span>
<span class="sd"> function:`~matplotlib.spines.Spine.set_patch_arc` has been called.</span>
<span class="sd"> Line-like is the default.</span>
<span class="sd"> """</span>
<span class="k">def</span> <span class="fm">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="s2">"Spine"</span>
<span class="nd">@docstring</span><span class="o">.</span><span class="n">dedent_interpd</span>
<span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">axes</span><span class="p">,</span> <span class="n">spine_type</span><span class="p">,</span> <span class="n">path</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Parameters</span>
<span class="sd"> ----------</span>
<span class="sd"> axes : `~matplotlib.axes.Axes`</span>
<span class="sd"> The `~.axes.Axes` instance containing the spine.</span>
<span class="sd"> spine_type : str</span>
<span class="sd"> The spine type.</span>
<span class="sd"> path : `~matplotlib.path.Path`</span>
<span class="sd"> The `.Path` instance used to draw the spine.</span>
<span class="sd"> Other Parameters</span>
<span class="sd"> ----------------</span>
<span class="sd"> **kwargs</span>
<span class="sd"> Valid keyword arguments are:</span>
<span class="sd"> %(Patch)s</span>
<span class="sd"> """</span>
<span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">axes</span> <span class="o">=</span> <span class="n">axes</span>
<span class="bp">self</span><span class="o">.</span><span class="n">set_figure</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">axes</span><span class="o">.</span><span class="n">figure</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">spine_type</span> <span class="o">=</span> <span class="n">spine_type</span>
<span class="bp">self</span><span class="o">.</span><span class="n">set_facecolor</span><span class="p">(</span><span class="s1">'none'</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">set_edgecolor</span><span class="p">(</span><span class="n">rcParams</span><span class="p">[</span><span class="s1">'axes.edgecolor'</span><span class="p">])</span>
<span class="bp">self</span><span class="o">.</span><span class="n">set_linewidth</span><span class="p">(</span><span class="n">rcParams</span><span class="p">[</span><span class="s1">'axes.linewidth'</span><span class="p">])</span>
<span class="bp">self</span><span class="o">.</span><span class="n">set_capstyle</span><span class="p">(</span><span class="s1">'projecting'</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">axis</span> <span class="o">=</span> <span class="kc">None</span>
<span class="bp">self</span><span class="o">.</span><span class="n">set_zorder</span><span class="p">(</span><span class="mf">2.5</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">set_transform</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">axes</span><span class="o">.</span><span class="n">transData</span><span class="p">)</span> <span class="c1"># default transform</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_bounds</span> <span class="o">=</span> <span class="kc">None</span> <span class="c1"># default bounds</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_smart_bounds</span> <span class="o">=</span> <span class="kc">False</span> <span class="c1"># deprecated in 3.2</span>
<span class="c1"># Defer initial position determination. (Not much support for</span>
<span class="c1"># non-rectangular axes is currently implemented, and this lets</span>
<span class="c1"># them pass through the spines machinery without errors.)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_position</span> <span class="o">=</span> <span class="kc">None</span>
<span class="n">cbook</span><span class="o">.</span><span class="n">_check_isinstance</span><span class="p">(</span><span class="n">matplotlib</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">Path</span><span class="p">,</span> <span class="n">path</span><span class="o">=</span><span class="n">path</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_path</span> <span class="o">=</span> <span class="n">path</span>
<span class="c1"># To support drawing both linear and circular spines, this</span>
<span class="c1"># class implements Patch behavior three ways. If</span>
<span class="c1"># self._patch_type == 'line', behave like a mpatches.PathPatch</span>
<span class="c1"># instance. If self._patch_type == 'circle', behave like a</span>
<span class="c1"># mpatches.Ellipse instance. If self._patch_type == 'arc', behave like</span>
<span class="c1"># a mpatches.Arc instance.</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_patch_type</span> <span class="o">=</span> <span class="s1">'line'</span>
<span class="c1"># Behavior copied from mpatches.Ellipse:</span>
<span class="c1"># Note: This cannot be calculated until this is added to an Axes</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_patch_transform</span> <span class="o">=</span> <span class="n">mtransforms</span><span class="o">.</span><span class="n">IdentityTransform</span><span class="p">()</span>
<div class="viewcode-block" id="Spine.set_smart_bounds"><a class="viewcode-back" href="../../api/spines_api.html#matplotlib.spines.Spine.set_smart_bounds">[docs]</a> <span class="nd">@cbook</span><span class="o">.</span><span class="n">deprecated</span><span class="p">(</span><span class="s2">"3.2"</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">set_smart_bounds</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
<span class="sd">"""Set the spine and associated axis to have smart bounds."""</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_smart_bounds</span> <span class="o">=</span> <span class="n">value</span>
<span class="c1"># also set the axis if possible</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">spine_type</span> <span class="ow">in</span> <span class="p">(</span><span class="s1">'left'</span><span class="p">,</span> <span class="s1">'right'</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">axes</span><span class="o">.</span><span class="n">yaxis</span><span class="o">.</span><span class="n">set_smart_bounds</span><span class="p">(</span><span class="n">value</span><span class="p">)</span>
<span class="k">elif</span> <span class="bp">self</span><span class="o">.</span><span class="n">spine_type</span> <span class="ow">in</span> <span class="p">(</span><span class="s1">'top'</span><span class="p">,</span> <span class="s1">'bottom'</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">axes</span><span class="o">.</span><span class="n">xaxis</span><span class="o">.</span><span class="n">set_smart_bounds</span><span class="p">(</span><span class="n">value</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">stale</span> <span class="o">=</span> <span class="kc">True</span></div>
<div class="viewcode-block" id="Spine.get_smart_bounds"><a class="viewcode-back" href="../../api/spines_api.html#matplotlib.spines.Spine.get_smart_bounds">[docs]</a> <span class="nd">@cbook</span><span class="o">.</span><span class="n">deprecated</span><span class="p">(</span><span class="s2">"3.2"</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">get_smart_bounds</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""Return whether the spine has smart bounds."""</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_smart_bounds</span></div>
<div class="viewcode-block" id="Spine.set_patch_arc"><a class="viewcode-back" href="../../api/spines_api.html#matplotlib.spines.Spine.set_patch_arc">[docs]</a> <span class="k">def</span> <span class="nf">set_patch_arc</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">center</span><span class="p">,</span> <span class="n">radius</span><span class="p">,</span> <span class="n">theta1</span><span class="p">,</span> <span class="n">theta2</span><span class="p">):</span>
<span class="sd">"""Set the spine to be arc-like."""</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_patch_type</span> <span class="o">=</span> <span class="s1">'arc'</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_center</span> <span class="o">=</span> <span class="n">center</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_width</span> <span class="o">=</span> <span class="n">radius</span> <span class="o">*</span> <span class="mi">2</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_height</span> <span class="o">=</span> <span class="n">radius</span> <span class="o">*</span> <span class="mi">2</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_theta1</span> <span class="o">=</span> <span class="n">theta1</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_theta2</span> <span class="o">=</span> <span class="n">theta2</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_path</span> <span class="o">=</span> <span class="n">mpath</span><span class="o">.</span><span class="n">Path</span><span class="o">.</span><span class="n">arc</span><span class="p">(</span><span class="n">theta1</span><span class="p">,</span> <span class="n">theta2</span><span class="p">)</span>
<span class="c1"># arc drawn on axes transform</span>
<span class="bp">self</span><span class="o">.</span><span class="n">set_transform</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">axes</span><span class="o">.</span><span class="n">transAxes</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">stale</span> <span class="o">=</span> <span class="kc">True</span></div>
<div class="viewcode-block" id="Spine.set_patch_circle"><a class="viewcode-back" href="../../api/spines_api.html#matplotlib.spines.Spine.set_patch_circle">[docs]</a> <span class="k">def</span> <span class="nf">set_patch_circle</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">center</span><span class="p">,</span> <span class="n">radius</span><span class="p">):</span>
<span class="sd">"""Set the spine to be circular."""</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_patch_type</span> <span class="o">=</span> <span class="s1">'circle'</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_center</span> <span class="o">=</span> <span class="n">center</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_width</span> <span class="o">=</span> <span class="n">radius</span> <span class="o">*</span> <span class="mi">2</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_height</span> <span class="o">=</span> <span class="n">radius</span> <span class="o">*</span> <span class="mi">2</span>
<span class="c1"># circle drawn on axes transform</span>
<span class="bp">self</span><span class="o">.</span><span class="n">set_transform</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">axes</span><span class="o">.</span><span class="n">transAxes</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">stale</span> <span class="o">=</span> <span class="kc">True</span></div>
<div class="viewcode-block" id="Spine.set_patch_line"><a class="viewcode-back" href="../../api/spines_api.html#matplotlib.spines.Spine.set_patch_line">[docs]</a> <span class="k">def</span> <span class="nf">set_patch_line</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""Set the spine to be linear."""</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_patch_type</span> <span class="o">=</span> <span class="s1">'line'</span>
<span class="bp">self</span><span class="o">.</span><span class="n">stale</span> <span class="o">=</span> <span class="kc">True</span></div>
<span class="c1"># Behavior copied from mpatches.Ellipse:</span>
<span class="k">def</span> <span class="nf">_recompute_transform</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Notes</span>
<span class="sd"> -----</span>
<span class="sd"> This cannot be called until after this has been added to an Axes,</span>
<span class="sd"> otherwise unit conversion will fail. This makes it very important to</span>
<span class="sd"> call the accessor method and not directly access the transformation</span>
<span class="sd"> member variable.</span>
<span class="sd"> """</span>
<span class="k">assert</span> <span class="bp">self</span><span class="o">.</span><span class="n">_patch_type</span> <span class="ow">in</span> <span class="p">(</span><span class="s1">'arc'</span><span class="p">,</span> <span class="s1">'circle'</span><span class="p">)</span>
<span class="n">center</span> <span class="o">=</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">convert_xunits</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_center</span><span class="p">[</span><span class="mi">0</span><span class="p">]),</span>
<span class="bp">self</span><span class="o">.</span><span class="n">convert_yunits</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_center</span><span class="p">[</span><span class="mi">1</span><span class="p">]))</span>
<span class="n">width</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">convert_xunits</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_width</span><span class="p">)</span>
<span class="n">height</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">convert_yunits</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_height</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_patch_transform</span> <span class="o">=</span> <span class="n">mtransforms</span><span class="o">.</span><span class="n">Affine2D</span><span class="p">()</span> \
<span class="o">.</span><span class="n">scale</span><span class="p">(</span><span class="n">width</span> <span class="o">*</span> <span class="mf">0.5</span><span class="p">,</span> <span class="n">height</span> <span class="o">*</span> <span class="mf">0.5</span><span class="p">)</span> \
<span class="o">.</span><span class="n">translate</span><span class="p">(</span><span class="o">*</span><span class="n">center</span><span class="p">)</span>
<div class="viewcode-block" id="Spine.get_patch_transform"><a class="viewcode-back" href="../../api/spines_api.html#matplotlib.spines.Spine.get_patch_transform">[docs]</a> <span class="k">def</span> <span class="nf">get_patch_transform</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_patch_type</span> <span class="ow">in</span> <span class="p">(</span><span class="s1">'arc'</span><span class="p">,</span> <span class="s1">'circle'</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_recompute_transform</span><span class="p">()</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_patch_transform</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">get_patch_transform</span><span class="p">()</span></div>
<div class="viewcode-block" id="Spine.get_window_extent"><a class="viewcode-back" href="../../api/spines_api.html#matplotlib.spines.Spine.get_window_extent">[docs]</a> <span class="k">def</span> <span class="nf">get_window_extent</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">renderer</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Return the window extent of the spines in display space, including</span>
<span class="sd"> padding for ticks (but not their labels)</span>
<span class="sd"> See Also</span>
<span class="sd"> --------</span>
<span class="sd"> matplotlib.axes.Axes.get_tightbbox</span>
<span class="sd"> matplotlib.axes.Axes.get_window_extent</span>
<span class="sd"> """</span>
<span class="c1"># make sure the location is updated so that transforms etc are correct:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_adjust_location</span><span class="p">()</span>
<span class="n">bb</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">get_window_extent</span><span class="p">(</span><span class="n">renderer</span><span class="o">=</span><span class="n">renderer</span><span class="p">)</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">axis</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="k">return</span> <span class="n">bb</span>
<span class="n">bboxes</span> <span class="o">=</span> <span class="p">[</span><span class="n">bb</span><span class="p">]</span>
<span class="n">tickstocheck</span> <span class="o">=</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">axis</span><span class="o">.</span><span class="n">majorTicks</span><span class="p">[</span><span class="mi">0</span><span class="p">]]</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">axis</span><span class="o">.</span><span class="n">minorTicks</span><span class="p">)</span> <span class="o">></span> <span class="mi">1</span><span class="p">:</span>
<span class="c1"># only pad for minor ticks if there are more than one</span>
<span class="c1"># of them. There is always one...</span>
<span class="n">tickstocheck</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">axis</span><span class="o">.</span><span class="n">minorTicks</span><span class="p">[</span><span class="mi">1</span><span class="p">])</span>
<span class="k">for</span> <span class="n">tick</span> <span class="ow">in</span> <span class="n">tickstocheck</span><span class="p">:</span>
<span class="n">bb0</span> <span class="o">=</span> <span class="n">bb</span><span class="o">.</span><span class="n">frozen</span><span class="p">()</span>
<span class="n">tickl</span> <span class="o">=</span> <span class="n">tick</span><span class="o">.</span><span class="n">_size</span>
<span class="n">tickdir</span> <span class="o">=</span> <span class="n">tick</span><span class="o">.</span><span class="n">_tickdir</span>
<span class="k">if</span> <span class="n">tickdir</span> <span class="o">==</span> <span class="s1">'out'</span><span class="p">:</span>
<span class="n">padout</span> <span class="o">=</span> <span class="mi">1</span>
<span class="n">padin</span> <span class="o">=</span> <span class="mi">0</span>
<span class="k">elif</span> <span class="n">tickdir</span> <span class="o">==</span> <span class="s1">'in'</span><span class="p">:</span>
<span class="n">padout</span> <span class="o">=</span> <span class="mi">0</span>
<span class="n">padin</span> <span class="o">=</span> <span class="mi">1</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">padout</span> <span class="o">=</span> <span class="mf">0.5</span>
<span class="n">padin</span> <span class="o">=</span> <span class="mf">0.5</span>
<span class="n">padout</span> <span class="o">=</span> <span class="n">padout</span> <span class="o">*</span> <span class="n">tickl</span> <span class="o">/</span> <span class="mi">72</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">figure</span><span class="o">.</span><span class="n">dpi</span>
<span class="n">padin</span> <span class="o">=</span> <span class="n">padin</span> <span class="o">*</span> <span class="n">tickl</span> <span class="o">/</span> <span class="mi">72</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">figure</span><span class="o">.</span><span class="n">dpi</span>
<span class="k">if</span> <span class="n">tick</span><span class="o">.</span><span class="n">tick1line</span><span class="o">.</span><span class="n">get_visible</span><span class="p">():</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">spine_type</span> <span class="o">==</span> <span class="s1">'left'</span><span class="p">:</span>
<span class="n">bb0</span><span class="o">.</span><span class="n">x0</span> <span class="o">=</span> <span class="n">bb0</span><span class="o">.</span><span class="n">x0</span> <span class="o">-</span> <span class="n">padout</span>
<span class="n">bb0</span><span class="o">.</span><span class="n">x1</span> <span class="o">=</span> <span class="n">bb0</span><span class="o">.</span><span class="n">x1</span> <span class="o">+</span> <span class="n">padin</span>
<span class="k">elif</span> <span class="bp">self</span><span class="o">.</span><span class="n">spine_type</span> <span class="o">==</span> <span class="s1">'bottom'</span><span class="p">:</span>
<span class="n">bb0</span><span class="o">.</span><span class="n">y0</span> <span class="o">=</span> <span class="n">bb0</span><span class="o">.</span><span class="n">y0</span> <span class="o">-</span> <span class="n">padout</span>
<span class="n">bb0</span><span class="o">.</span><span class="n">y1</span> <span class="o">=</span> <span class="n">bb0</span><span class="o">.</span><span class="n">y1</span> <span class="o">+</span> <span class="n">padin</span>
<span class="k">if</span> <span class="n">tick</span><span class="o">.</span><span class="n">tick2line</span><span class="o">.</span><span class="n">get_visible</span><span class="p">():</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">spine_type</span> <span class="o">==</span> <span class="s1">'right'</span><span class="p">:</span>
<span class="n">bb0</span><span class="o">.</span><span class="n">x1</span> <span class="o">=</span> <span class="n">bb0</span><span class="o">.</span><span class="n">x1</span> <span class="o">+</span> <span class="n">padout</span>
<span class="n">bb0</span><span class="o">.</span><span class="n">x0</span> <span class="o">=</span> <span class="n">bb0</span><span class="o">.</span><span class="n">x0</span> <span class="o">-</span> <span class="n">padin</span>
<span class="k">elif</span> <span class="bp">self</span><span class="o">.</span><span class="n">spine_type</span> <span class="o">==</span> <span class="s1">'top'</span><span class="p">:</span>
<span class="n">bb0</span><span class="o">.</span><span class="n">y1</span> <span class="o">=</span> <span class="n">bb0</span><span class="o">.</span><span class="n">y1</span> <span class="o">+</span> <span class="n">padout</span>
<span class="n">bb0</span><span class="o">.</span><span class="n">y0</span> <span class="o">=</span> <span class="n">bb0</span><span class="o">.</span><span class="n">y0</span> <span class="o">-</span> <span class="n">padout</span>
<span class="n">bboxes</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">bb0</span><span class="p">)</span>
<span class="k">return</span> <span class="n">mtransforms</span><span class="o">.</span><span class="n">Bbox</span><span class="o">.</span><span class="n">union</span><span class="p">(</span><span class="n">bboxes</span><span class="p">)</span></div>
<div class="viewcode-block" id="Spine.get_path"><a class="viewcode-back" href="../../api/spines_api.html#matplotlib.spines.Spine.get_path">[docs]</a> <span class="k">def</span> <span class="nf">get_path</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_path</span></div>
<span class="k">def</span> <span class="nf">_ensure_position_is_set</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_position</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="c1"># default position</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_position</span> <span class="o">=</span> <span class="p">(</span><span class="s1">'outward'</span><span class="p">,</span> <span class="mf">0.0</span><span class="p">)</span> <span class="c1"># in points</span>
<span class="bp">self</span><span class="o">.</span><span class="n">set_position</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_position</span><span class="p">)</span>
<div class="viewcode-block" id="Spine.register_axis"><a class="viewcode-back" href="../../api/spines_api.html#matplotlib.spines.Spine.register_axis">[docs]</a> <span class="k">def</span> <span class="nf">register_axis</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">axis</span><span class="p">):</span>
<span class="sd">"""Register an axis.</span>
<span class="sd"> An axis should be registered with its corresponding spine from</span>
<span class="sd"> the Axes instance. This allows the spine to clear any axis</span>
<span class="sd"> properties when needed.</span>
<span class="sd"> """</span>
<span class="bp">self</span><span class="o">.</span><span class="n">axis</span> <span class="o">=</span> <span class="n">axis</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">axis</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">axis</span><span class="o">.</span><span class="n">cla</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">stale</span> <span class="o">=</span> <span class="kc">True</span></div>
<div class="viewcode-block" id="Spine.cla"><a class="viewcode-back" href="../../api/spines_api.html#matplotlib.spines.Spine.cla">[docs]</a> <span class="k">def</span> <span class="nf">cla</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""Clear the current spine."""</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_position</span> <span class="o">=</span> <span class="kc">None</span> <span class="c1"># clear position</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">axis</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">axis</span><span class="o">.</span><span class="n">cla</span><span class="p">()</span></div>
<div class="viewcode-block" id="Spine.is_frame_like"><a class="viewcode-back" href="../../api/spines_api.html#matplotlib.spines.Spine.is_frame_like">[docs]</a> <span class="nd">@cbook</span><span class="o">.</span><span class="n">deprecated</span><span class="p">(</span><span class="s2">"3.1"</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">is_frame_like</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""Return True if directly on axes frame.</span>
<span class="sd"> This is useful for determining if a spine is the edge of an</span>
<span class="sd"> old style MPL plot. If so, this function will return True.</span>
<span class="sd"> """</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_ensure_position_is_set</span><span class="p">()</span>
<span class="n">position</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_position</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">position</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span>
<span class="k">if</span> <span class="n">position</span> <span class="o">==</span> <span class="s1">'center'</span><span class="p">:</span>
<span class="n">position</span> <span class="o">=</span> <span class="p">(</span><span class="s1">'axes'</span><span class="p">,</span> <span class="mf">0.5</span><span class="p">)</span>
<span class="k">elif</span> <span class="n">position</span> <span class="o">==</span> <span class="s1">'zero'</span><span class="p">:</span>
<span class="n">position</span> <span class="o">=</span> <span class="p">(</span><span class="s1">'data'</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">position</span><span class="p">)</span> <span class="o">!=</span> <span class="mi">2</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">"position should be 2-tuple"</span><span class="p">)</span>
<span class="n">position_type</span><span class="p">,</span> <span class="n">amount</span> <span class="o">=</span> <span class="n">position</span>
<span class="k">if</span> <span class="n">position_type</span> <span class="o">==</span> <span class="s1">'outward'</span> <span class="ow">and</span> <span class="n">amount</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
<span class="k">return</span> <span class="kc">True</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">return</span> <span class="kc">False</span></div>
<span class="k">def</span> <span class="nf">_adjust_location</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""Automatically set spine bounds to the view interval."""</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">spine_type</span> <span class="o">==</span> <span class="s1">'circle'</span><span class="p">:</span>
<span class="k">return</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_bounds</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">spine_type</span> <span class="ow">in</span> <span class="p">(</span><span class="s1">'left'</span><span class="p">,</span> <span class="s1">'right'</span><span class="p">):</span>
<span class="n">low</span><span class="p">,</span> <span class="n">high</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">axes</span><span class="o">.</span><span class="n">viewLim</span><span class="o">.</span><span class="n">intervaly</span>
<span class="k">elif</span> <span class="bp">self</span><span class="o">.</span><span class="n">spine_type</span> <span class="ow">in</span> <span class="p">(</span><span class="s1">'top'</span><span class="p">,</span> <span class="s1">'bottom'</span><span class="p">):</span>
<span class="n">low</span><span class="p">,</span> <span class="n">high</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">axes</span><span class="o">.</span><span class="n">viewLim</span><span class="o">.</span><span class="n">intervalx</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s1">'unknown spine spine_type: </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span>
<span class="bp">self</span><span class="o">.</span><span class="n">spine_type</span><span class="p">)</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_smart_bounds</span><span class="p">:</span> <span class="c1"># deprecated in 3.2</span>
<span class="c1"># attempt to set bounds in sophisticated way</span>
<span class="c1"># handle inverted limits</span>
<span class="n">viewlim_low</span><span class="p">,</span> <span class="n">viewlim_high</span> <span class="o">=</span> <span class="nb">sorted</span><span class="p">([</span><span class="n">low</span><span class="p">,</span> <span class="n">high</span><span class="p">])</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">spine_type</span> <span class="ow">in</span> <span class="p">(</span><span class="s1">'left'</span><span class="p">,</span> <span class="s1">'right'</span><span class="p">):</span>
<span class="n">datalim_low</span><span class="p">,</span> <span class="n">datalim_high</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">axes</span><span class="o">.</span><span class="n">dataLim</span><span class="o">.</span><span class="n">intervaly</span>
<span class="n">ticks</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">axes</span><span class="o">.</span><span class="n">get_yticks</span><span class="p">()</span>
<span class="k">elif</span> <span class="bp">self</span><span class="o">.</span><span class="n">spine_type</span> <span class="ow">in</span> <span class="p">(</span><span class="s1">'top'</span><span class="p">,</span> <span class="s1">'bottom'</span><span class="p">):</span>
<span class="n">datalim_low</span><span class="p">,</span> <span class="n">datalim_high</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">axes</span><span class="o">.</span><span class="n">dataLim</span><span class="o">.</span><span class="n">intervalx</span>
<span class="n">ticks</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">axes</span><span class="o">.</span><span class="n">get_xticks</span><span class="p">()</span>
<span class="c1"># handle inverted limits</span>
<span class="n">ticks</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">sort</span><span class="p">(</span><span class="n">ticks</span><span class="p">)</span>
<span class="n">datalim_low</span><span class="p">,</span> <span class="n">datalim_high</span> <span class="o">=</span> <span class="nb">sorted</span><span class="p">([</span><span class="n">datalim_low</span><span class="p">,</span> <span class="n">datalim_high</span><span class="p">])</span>
<span class="k">if</span> <span class="n">datalim_low</span> <span class="o"><</span> <span class="n">viewlim_low</span><span class="p">:</span>
<span class="c1"># Data extends past view. Clip line to view.</span>
<span class="n">low</span> <span class="o">=</span> <span class="n">viewlim_low</span>
<span class="k">else</span><span class="p">:</span>
<span class="c1"># Data ends before view ends.</span>
<span class="n">cond</span> <span class="o">=</span> <span class="p">(</span><span class="n">ticks</span> <span class="o"><=</span> <span class="n">datalim_low</span><span class="p">)</span> <span class="o">&</span> <span class="p">(</span><span class="n">ticks</span> <span class="o">>=</span> <span class="n">viewlim_low</span><span class="p">)</span>
<span class="n">tickvals</span> <span class="o">=</span> <span class="n">ticks</span><span class="p">[</span><span class="n">cond</span><span class="p">]</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">tickvals</span><span class="p">):</span>
<span class="c1"># A tick is less than or equal to lowest data point.</span>
<span class="n">low</span> <span class="o">=</span> <span class="n">tickvals</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span>
<span class="k">else</span><span class="p">:</span>
<span class="c1"># No tick is available</span>
<span class="n">low</span> <span class="o">=</span> <span class="n">datalim_low</span>
<span class="n">low</span> <span class="o">=</span> <span class="nb">max</span><span class="p">(</span><span class="n">low</span><span class="p">,</span> <span class="n">viewlim_low</span><span class="p">)</span>
<span class="k">if</span> <span class="n">datalim_high</span> <span class="o">></span> <span class="n">viewlim_high</span><span class="p">:</span>
<span class="c1"># Data extends past view. Clip line to view.</span>
<span class="n">high</span> <span class="o">=</span> <span class="n">viewlim_high</span>
<span class="k">else</span><span class="p">:</span>
<span class="c1"># Data ends before view ends.</span>
<span class="n">cond</span> <span class="o">=</span> <span class="p">(</span><span class="n">ticks</span> <span class="o">>=</span> <span class="n">datalim_high</span><span class="p">)</span> <span class="o">&</span> <span class="p">(</span><span class="n">ticks</span> <span class="o"><=</span> <span class="n">viewlim_high</span><span class="p">)</span>
<span class="n">tickvals</span> <span class="o">=</span> <span class="n">ticks</span><span class="p">[</span><span class="n">cond</span><span class="p">]</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">tickvals</span><span class="p">):</span>
<span class="c1"># A tick is greater than or equal to highest data</span>
<span class="c1"># point.</span>
<span class="n">high</span> <span class="o">=</span> <span class="n">tickvals</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
<span class="k">else</span><span class="p">:</span>
<span class="c1"># No tick is available</span>
<span class="n">high</span> <span class="o">=</span> <span class="n">datalim_high</span>
<span class="n">high</span> <span class="o">=</span> <span class="nb">min</span><span class="p">(</span><span class="n">high</span><span class="p">,</span> <span class="n">viewlim_high</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">low</span><span class="p">,</span> <span class="n">high</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_bounds</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_patch_type</span> <span class="o">==</span> <span class="s1">'arc'</span><span class="p">:</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">spine_type</span> <span class="ow">in</span> <span class="p">(</span><span class="s1">'bottom'</span><span class="p">,</span> <span class="s1">'top'</span><span class="p">):</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">direction</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">axes</span><span class="o">.</span><span class="n">get_theta_direction</span><span class="p">()</span>
<span class="k">except</span> <span class="ne">AttributeError</span><span class="p">:</span>
<span class="n">direction</span> <span class="o">=</span> <span class="mi">1</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">offset</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">axes</span><span class="o">.</span><span class="n">get_theta_offset</span><span class="p">()</span>
<span class="k">except</span> <span class="ne">AttributeError</span><span class="p">:</span>
<span class="n">offset</span> <span class="o">=</span> <span class="mi">0</span>
<span class="n">low</span> <span class="o">=</span> <span class="n">low</span> <span class="o">*</span> <span class="n">direction</span> <span class="o">+</span> <span class="n">offset</span>
<span class="n">high</span> <span class="o">=</span> <span class="n">high</span> <span class="o">*</span> <span class="n">direction</span> <span class="o">+</span> <span class="n">offset</span>
<span class="k">if</span> <span class="n">low</span> <span class="o">></span> <span class="n">high</span><span class="p">:</span>
<span class="n">low</span><span class="p">,</span> <span class="n">high</span> <span class="o">=</span> <span class="n">high</span><span class="p">,</span> <span class="n">low</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_path</span> <span class="o">=</span> <span class="n">mpath</span><span class="o">.</span><span class="n">Path</span><span class="o">.</span><span class="n">arc</span><span class="p">(</span><span class="n">np</span><span class="o">.</span><span class="n">rad2deg</span><span class="p">(</span><span class="n">low</span><span class="p">),</span> <span class="n">np</span><span class="o">.</span><span class="n">rad2deg</span><span class="p">(</span><span class="n">high</span><span class="p">))</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">spine_type</span> <span class="o">==</span> <span class="s1">'bottom'</span><span class="p">:</span>
<span class="n">rmin</span><span class="p">,</span> <span class="n">rmax</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">axes</span><span class="o">.</span><span class="n">viewLim</span><span class="o">.</span><span class="n">intervaly</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">rorigin</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">axes</span><span class="o">.</span><span class="n">get_rorigin</span><span class="p">()</span>
<span class="k">except</span> <span class="ne">AttributeError</span><span class="p">:</span>
<span class="n">rorigin</span> <span class="o">=</span> <span class="n">rmin</span>
<span class="n">scaled_diameter</span> <span class="o">=</span> <span class="p">(</span><span class="n">rmin</span> <span class="o">-</span> <span class="n">rorigin</span><span class="p">)</span> <span class="o">/</span> <span class="p">(</span><span class="n">rmax</span> <span class="o">-</span> <span class="n">rorigin</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_height</span> <span class="o">=</span> <span class="n">scaled_diameter</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_width</span> <span class="o">=</span> <span class="n">scaled_diameter</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s1">'unable to set bounds for spine "</span><span class="si">%s</span><span class="s1">"'</span> <span class="o">%</span>
<span class="bp">self</span><span class="o">.</span><span class="n">spine_type</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">v1</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_path</span><span class="o">.</span><span class="n">vertices</span>
<span class="k">assert</span> <span class="n">v1</span><span class="o">.</span><span class="n">shape</span> <span class="o">==</span> <span class="p">(</span><span class="mi">2</span><span class="p">,</span> <span class="mi">2</span><span class="p">),</span> <span class="s1">'unexpected vertices shape'</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">spine_type</span> <span class="ow">in</span> <span class="p">[</span><span class="s1">'left'</span><span class="p">,</span> <span class="s1">'right'</span><span class="p">]:</span>
<span class="n">v1</span><span class="p">[</span><span class="mi">0</span><span class="p">,</span> <span class="mi">1</span><span class="p">]</span> <span class="o">=</span> <span class="n">low</span>
<span class="n">v1</span><span class="p">[</span><span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">]</span> <span class="o">=</span> <span class="n">high</span>
<span class="k">elif</span> <span class="bp">self</span><span class="o">.</span><span class="n">spine_type</span> <span class="ow">in</span> <span class="p">[</span><span class="s1">'bottom'</span><span class="p">,</span> <span class="s1">'top'</span><span class="p">]:</span>
<span class="n">v1</span><span class="p">[</span><span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">]</span> <span class="o">=</span> <span class="n">low</span>
<span class="n">v1</span><span class="p">[</span><span class="mi">1</span><span class="p">,</span> <span class="mi">0</span><span class="p">]</span> <span class="o">=</span> <span class="n">high</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s1">'unable to set bounds for spine "</span><span class="si">%s</span><span class="s1">"'</span> <span class="o">%</span>
<span class="bp">self</span><span class="o">.</span><span class="n">spine_type</span><span class="p">)</span>
<div class="viewcode-block" id="Spine.draw"><a class="viewcode-back" href="../../api/spines_api.html#matplotlib.spines.Spine.draw">[docs]</a> <span class="nd">@allow_rasterization</span>
<span class="k">def</span> <span class="nf">draw</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">renderer</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_adjust_location</span><span class="p">()</span>
<span class="n">ret</span> <span class="o">=</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">draw</span><span class="p">(</span><span class="n">renderer</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">stale</span> <span class="o">=</span> <span class="kc">False</span>
<span class="k">return</span> <span class="n">ret</span></div>
<div class="viewcode-block" id="Spine.set_position"><a class="viewcode-back" href="../../api/spines_api.html#matplotlib.spines.Spine.set_position">[docs]</a> <span class="k">def</span> <span class="nf">set_position</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">position</span><span class="p">):</span>
<span class="sd">"""Set the position of the spine.</span>
<span class="sd"> Spine position is specified by a 2 tuple of (position type,</span>
<span class="sd"> amount). The position types are:</span>
<span class="sd"> * 'outward' : place the spine out from the data area by the</span>
<span class="sd"> specified number of points. (Negative values specify placing the</span>
<span class="sd"> spine inward.)</span>
<span class="sd"> * 'axes' : place the spine at the specified Axes coordinate (from</span>
<span class="sd"> 0.0-1.0).</span>
<span class="sd"> * 'data' : place the spine at the specified data coordinate.</span>
<span class="sd"> Additionally, shorthand notations define a special positions:</span>
<span class="sd"> * 'center' -> ('axes',0.5)</span>
<span class="sd"> * 'zero' -> ('data', 0.0)</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="n">position</span> <span class="ow">in</span> <span class="p">(</span><span class="s1">'center'</span><span class="p">,</span> <span class="s1">'zero'</span><span class="p">):</span>
<span class="c1"># special positions</span>
<span class="k">pass</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">position</span><span class="p">)</span> <span class="o">!=</span> <span class="mi">2</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">"position should be 'center' or 2-tuple"</span><span class="p">)</span>
<span class="k">if</span> <span class="n">position</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="ow">not</span> <span class="ow">in</span> <span class="p">[</span><span class="s1">'outward'</span><span class="p">,</span> <span class="s1">'axes'</span><span class="p">,</span> <span class="s1">'data'</span><span class="p">]:</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">"position[0] should be one of 'outward', "</span>
<span class="s2">"'axes', or 'data' "</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_position</span> <span class="o">=</span> <span class="n">position</span>
<span class="bp">self</span><span class="o">.</span><span class="n">set_transform</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">get_spine_transform</span><span class="p">())</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">axis</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">axis</span><span class="o">.</span><span class="n">reset_ticks</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">stale</span> <span class="o">=</span> <span class="kc">True</span></div>
<div class="viewcode-block" id="Spine.get_position"><a class="viewcode-back" href="../../api/spines_api.html#matplotlib.spines.Spine.get_position">[docs]</a> <span class="k">def</span> <span class="nf">get_position</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""Return the spine position."""</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_ensure_position_is_set</span><span class="p">()</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_position</span></div>
<div class="viewcode-block" id="Spine.get_spine_transform"><a class="viewcode-back" href="../../api/spines_api.html#matplotlib.spines.Spine.get_spine_transform">[docs]</a> <span class="k">def</span> <span class="nf">get_spine_transform</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""Return the spine transform."""</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_ensure_position_is_set</span><span class="p">()</span>
<span class="n">position</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_position</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">position</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span>
<span class="k">if</span> <span class="n">position</span> <span class="o">==</span> <span class="s1">'center'</span><span class="p">:</span>
<span class="n">position</span> <span class="o">=</span> <span class="p">(</span><span class="s1">'axes'</span><span class="p">,</span> <span class="mf">0.5</span><span class="p">)</span>
<span class="k">elif</span> <span class="n">position</span> <span class="o">==</span> <span class="s1">'zero'</span><span class="p">:</span>
<span class="n">position</span> <span class="o">=</span> <span class="p">(</span><span class="s1">'data'</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span>
<span class="k">assert</span> <span class="nb">len</span><span class="p">(</span><span class="n">position</span><span class="p">)</span> <span class="o">==</span> <span class="mi">2</span><span class="p">,</span> <span class="s1">'position should be 2-tuple'</span>
<span class="n">position_type</span><span class="p">,</span> <span class="n">amount</span> <span class="o">=</span> <span class="n">position</span>
<span class="n">cbook</span><span class="o">.</span><span class="n">_check_in_list</span><span class="p">([</span><span class="s1">'axes'</span><span class="p">,</span> <span class="s1">'outward'</span><span class="p">,</span> <span class="s1">'data'</span><span class="p">],</span>
<span class="n">position_type</span><span class="o">=</span><span class="n">position_type</span><span class="p">)</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">spine_type</span> <span class="ow">in</span> <span class="p">[</span><span class="s1">'left'</span><span class="p">,</span> <span class="s1">'right'</span><span class="p">]:</span>
<span class="n">base_transform</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">axes</span><span class="o">.</span><span class="n">get_yaxis_transform</span><span class="p">(</span><span class="n">which</span><span class="o">=</span><span class="s1">'grid'</span><span class="p">)</span>
<span class="k">elif</span> <span class="bp">self</span><span class="o">.</span><span class="n">spine_type</span> <span class="ow">in</span> <span class="p">[</span><span class="s1">'top'</span><span class="p">,</span> <span class="s1">'bottom'</span><span class="p">]:</span>
<span class="n">base_transform</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">axes</span><span class="o">.</span><span class="n">get_xaxis_transform</span><span class="p">(</span><span class="n">which</span><span class="o">=</span><span class="s1">'grid'</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s1">'unknown spine spine_type: </span><span class="si">{self.spine_type!r}</span><span class="s1">'</span><span class="p">)</span>
<span class="k">if</span> <span class="n">position_type</span> <span class="o">==</span> <span class="s1">'outward'</span><span class="p">:</span>
<span class="k">if</span> <span class="n">amount</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span> <span class="c1"># short circuit commonest case</span>
<span class="k">return</span> <span class="n">base_transform</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">offset_vec</span> <span class="o">=</span> <span class="p">{</span><span class="s1">'left'</span><span class="p">:</span> <span class="p">(</span><span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> <span class="s1">'right'</span><span class="p">:</span> <span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span>
<span class="s1">'bottom'</span><span class="p">:</span> <span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">),</span> <span class="s1">'top'</span><span class="p">:</span> <span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span>
<span class="p">}[</span><span class="bp">self</span><span class="o">.</span><span class="n">spine_type</span><span class="p">]</span>
<span class="c1"># calculate x and y offset in dots</span>
<span class="n">offset_dots</span> <span class="o">=</span> <span class="n">amount</span> <span class="o">*</span> <span class="n">np</span><span class="o">.</span><span class="n">array</span><span class="p">(</span><span class="n">offset_vec</span><span class="p">)</span> <span class="o">/</span> <span class="mi">72</span>
<span class="k">return</span> <span class="p">(</span><span class="n">base_transform</span>
<span class="o">+</span> <span class="n">mtransforms</span><span class="o">.</span><span class="n">ScaledTranslation</span><span class="p">(</span>
<span class="o">*</span><span class="n">offset_dots</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">figure</span><span class="o">.</span><span class="n">dpi_scale_trans</span><span class="p">))</span>
<span class="k">elif</span> <span class="n">position_type</span> <span class="o">==</span> <span class="s1">'axes'</span><span class="p">:</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">spine_type</span> <span class="ow">in</span> <span class="p">[</span><span class="s1">'left'</span><span class="p">,</span> <span class="s1">'right'</span><span class="p">]:</span>
<span class="c1"># keep y unchanged, fix x at amount</span>
<span class="k">return</span> <span class="p">(</span><span class="n">mtransforms</span><span class="o">.</span><span class="n">Affine2D</span><span class="o">.</span><span class="n">from_values</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="n">amount</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span>
<span class="o">+</span> <span class="n">base_transform</span><span class="p">)</span>
<span class="k">elif</span> <span class="bp">self</span><span class="o">.</span><span class="n">spine_type</span> <span class="ow">in</span> <span class="p">[</span><span class="s1">'bottom'</span><span class="p">,</span> <span class="s1">'top'</span><span class="p">]:</span>
<span class="c1"># keep x unchanged, fix y at amount</span>
<span class="k">return</span> <span class="p">(</span><span class="n">mtransforms</span><span class="o">.</span><span class="n">Affine2D</span><span class="o">.</span><span class="n">from_values</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="n">amount</span><span class="p">)</span>
<span class="o">+</span> <span class="n">base_transform</span><span class="p">)</span>
<span class="k">elif</span> <span class="n">position_type</span> <span class="o">==</span> <span class="s1">'data'</span><span class="p">:</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">spine_type</span> <span class="ow">in</span> <span class="p">(</span><span class="s1">'right'</span><span class="p">,</span> <span class="s1">'top'</span><span class="p">):</span>
<span class="c1"># The right and top spines have a default position of 1 in</span>
<span class="c1"># axes coordinates. When specifying the position in data</span>
<span class="c1"># coordinates, we need to calculate the position relative to 0.</span>
<span class="n">amount</span> <span class="o">-=</span> <span class="mi">1</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">spine_type</span> <span class="ow">in</span> <span class="p">(</span><span class="s1">'left'</span><span class="p">,</span> <span class="s1">'right'</span><span class="p">):</span>
<span class="k">return</span> <span class="n">mtransforms</span><span class="o">.</span><span class="n">blended_transform_factory</span><span class="p">(</span>
<span class="n">mtransforms</span><span class="o">.</span><span class="n">Affine2D</span><span class="p">()</span><span class="o">.</span><span class="n">translate</span><span class="p">(</span><span class="n">amount</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span>
<span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">axes</span><span class="o">.</span><span class="n">transData</span><span class="p">,</span>
<span class="bp">self</span><span class="o">.</span><span class="n">axes</span><span class="o">.</span><span class="n">transData</span><span class="p">)</span>
<span class="k">elif</span> <span class="bp">self</span><span class="o">.</span><span class="n">spine_type</span> <span class="ow">in</span> <span class="p">(</span><span class="s1">'bottom'</span><span class="p">,</span> <span class="s1">'top'</span><span class="p">):</span>
<span class="k">return</span> <span class="n">mtransforms</span><span class="o">.</span><span class="n">blended_transform_factory</span><span class="p">(</span>
<span class="bp">self</span><span class="o">.</span><span class="n">axes</span><span class="o">.</span><span class="n">transData</span><span class="p">,</span>
<span class="n">mtransforms</span><span class="o">.</span><span class="n">Affine2D</span><span class="p">()</span><span class="o">.</span><span class="n">translate</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">amount</span><span class="p">)</span>
<span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">axes</span><span class="o">.</span><span class="n">transData</span><span class="p">)</span></div>
<div class="viewcode-block" id="Spine.set_bounds"><a class="viewcode-back" href="../../api/spines_api.html#matplotlib.spines.Spine.set_bounds">[docs]</a> <span class="k">def</span> <span class="nf">set_bounds</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">low</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">high</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Set the spine bounds.</span>
<span class="sd"> Parameters</span>
<span class="sd"> ----------</span>
<span class="sd"> low : float or None, optional</span>
<span class="sd"> The lower spine bound. Passing *None* leaves the limit unchanged.</span>
<span class="sd"> The bounds may also be passed as the tuple (*low*, *high*) as the</span>
<span class="sd"> first positional argument.</span>
<span class="sd"> .. ACCEPTS: (low: float, high: float)</span>
<span class="sd"> high : float or None, optional</span>
<span class="sd"> The higher spine bound. Passing *None* leaves the limit unchanged.</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">spine_type</span> <span class="o">==</span> <span class="s1">'circle'</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span>
<span class="s1">'set_bounds() method incompatible with circular spines'</span><span class="p">)</span>
<span class="k">if</span> <span class="n">high</span> <span class="ow">is</span> <span class="kc">None</span> <span class="ow">and</span> <span class="n">np</span><span class="o">.</span><span class="n">iterable</span><span class="p">(</span><span class="n">low</span><span class="p">):</span>
<span class="n">low</span><span class="p">,</span> <span class="n">high</span> <span class="o">=</span> <span class="n">low</span>
<span class="n">old_low</span><span class="p">,</span> <span class="n">old_high</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_bounds</span><span class="p">()</span> <span class="ow">or</span> <span class="p">(</span><span class="kc">None</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
<span class="k">if</span> <span class="n">low</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">low</span> <span class="o">=</span> <span class="n">old_low</span>
<span class="k">if</span> <span class="n">high</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">high</span> <span class="o">=</span> <span class="n">old_high</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_bounds</span> <span class="o">=</span> <span class="p">(</span><span class="n">low</span><span class="p">,</span> <span class="n">high</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">stale</span> <span class="o">=</span> <span class="kc">True</span></div>
<div class="viewcode-block" id="Spine.get_bounds"><a class="viewcode-back" href="../../api/spines_api.html#matplotlib.spines.Spine.get_bounds">[docs]</a> <span class="k">def</span> <span class="nf">get_bounds</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""Get the bounds of the spine."""</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_bounds</span></div>
<div class="viewcode-block" id="Spine.linear_spine"><a class="viewcode-back" href="../../api/spines_api.html#matplotlib.spines.Spine.linear_spine">[docs]</a> <span class="nd">@classmethod</span>
<span class="k">def</span> <span class="nf">linear_spine</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">axes</span><span class="p">,</span> <span class="n">spine_type</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Returns a linear `Spine`.</span>
<span class="sd"> """</span>
<span class="c1"># all values of 0.999 get replaced upon call to set_bounds()</span>
<span class="k">if</span> <span class="n">spine_type</span> <span class="o">==</span> <span class="s1">'left'</span><span class="p">:</span>
<span class="n">path</span> <span class="o">=</span> <span class="n">mpath</span><span class="o">.</span><span class="n">Path</span><span class="p">([(</span><span class="mf">0.0</span><span class="p">,</span> <span class="mf">0.999</span><span class="p">),</span> <span class="p">(</span><span class="mf">0.0</span><span class="p">,</span> <span class="mf">0.999</span><span class="p">)])</span>
<span class="k">elif</span> <span class="n">spine_type</span> <span class="o">==</span> <span class="s1">'right'</span><span class="p">:</span>
<span class="n">path</span> <span class="o">=</span> <span class="n">mpath</span><span class="o">.</span><span class="n">Path</span><span class="p">([(</span><span class="mf">1.0</span><span class="p">,</span> <span class="mf">0.999</span><span class="p">),</span> <span class="p">(</span><span class="mf">1.0</span><span class="p">,</span> <span class="mf">0.999</span><span class="p">)])</span>
<span class="k">elif</span> <span class="n">spine_type</span> <span class="o">==</span> <span class="s1">'bottom'</span><span class="p">:</span>
<span class="n">path</span> <span class="o">=</span> <span class="n">mpath</span><span class="o">.</span><span class="n">Path</span><span class="p">([(</span><span class="mf">0.999</span><span class="p">,</span> <span class="mf">0.0</span><span class="p">),</span> <span class="p">(</span><span class="mf">0.999</span><span class="p">,</span> <span class="mf">0.0</span><span class="p">)])</span>
<span class="k">elif</span> <span class="n">spine_type</span> <span class="o">==</span> <span class="s1">'top'</span><span class="p">:</span>
<span class="n">path</span> <span class="o">=</span> <span class="n">mpath</span><span class="o">.</span><span class="n">Path</span><span class="p">([(</span><span class="mf">0.999</span><span class="p">,</span> <span class="mf">1.0</span><span class="p">),</span> <span class="p">(</span><span class="mf">0.999</span><span class="p">,</span> <span class="mf">1.0</span><span class="p">)])</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s1">'unable to make path for spine "</span><span class="si">%s</span><span class="s1">"'</span> <span class="o">%</span> <span class="n">spine_type</span><span class="p">)</span>
<span class="n">result</span> <span class="o">=</span> <span class="bp">cls</span><span class="p">(</span><span class="n">axes</span><span class="p">,</span> <span class="n">spine_type</span><span class="p">,</span> <span class="n">path</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
<span class="n">result</span><span class="o">.</span><span class="n">set_visible</span><span class="p">(</span><span class="n">rcParams</span><span class="p">[</span><span class="s1">'axes.spines.</span><span class="si">{0}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">spine_type</span><span class="p">)])</span>
<span class="k">return</span> <span class="n">result</span></div>
<div class="viewcode-block" id="Spine.arc_spine"><a class="viewcode-back" href="../../api/spines_api.html#matplotlib.spines.Spine.arc_spine">[docs]</a> <span class="nd">@classmethod</span>
<span class="k">def</span> <span class="nf">arc_spine</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">axes</span><span class="p">,</span> <span class="n">spine_type</span><span class="p">,</span> <span class="n">center</span><span class="p">,</span> <span class="n">radius</span><span class="p">,</span> <span class="n">theta1</span><span class="p">,</span> <span class="n">theta2</span><span class="p">,</span>
<span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Returns an arc `Spine`.</span>
<span class="sd"> """</span>
<span class="n">path</span> <span class="o">=</span> <span class="n">mpath</span><span class="o">.</span><span class="n">Path</span><span class="o">.</span><span class="n">arc</span><span class="p">(</span><span class="n">theta1</span><span class="p">,</span> <span class="n">theta2</span><span class="p">)</span>
<span class="n">result</span> <span class="o">=</span> <span class="bp">cls</span><span class="p">(</span><span class="n">axes</span><span class="p">,</span> <span class="n">spine_type</span><span class="p">,</span> <span class="n">path</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
<span class="n">result</span><span class="o">.</span><span class="n">set_patch_arc</span><span class="p">(</span><span class="n">center</span><span class="p">,</span> <span class="n">radius</span><span class="p">,</span> <span class="n">theta1</span><span class="p">,</span> <span class="n">theta2</span><span class="p">)</span>
<span class="k">return</span> <span class="n">result</span></div>
<div class="viewcode-block" id="Spine.circular_spine"><a class="viewcode-back" href="../../api/spines_api.html#matplotlib.spines.Spine.circular_spine">[docs]</a> <span class="nd">@classmethod</span>
<span class="k">def</span> <span class="nf">circular_spine</span><span class="p">(</span><span class="bp">cls</span><span class="p">,</span> <span class="n">axes</span><span class="p">,</span> <span class="n">center</span><span class="p">,</span> <span class="n">radius</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Returns a circular `Spine`.</span>
<span class="sd"> """</span>
<span class="n">path</span> <span class="o">=</span> <span class="n">mpath</span><span class="o">.</span><span class="n">Path</span><span class="o">.</span><span class="n">unit_circle</span><span class="p">()</span>
<span class="n">spine_type</span> <span class="o">=</span> <span class="s1">'circle'</span>
<span class="n">result</span> <span class="o">=</span> <span class="bp">cls</span><span class="p">(</span><span class="n">axes</span><span class="p">,</span> <span class="n">spine_type</span><span class="p">,</span> <span class="n">path</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
<span class="n">result</span><span class="o">.</span><span class="n">set_patch_circle</span><span class="p">(</span><span class="n">center</span><span class="p">,</span> <span class="n">radius</span><span class="p">)</span>
<span class="k">return</span> <span class="n">result</span></div>
<div class="viewcode-block" id="Spine.set_color"><a class="viewcode-back" href="../../api/spines_api.html#matplotlib.spines.Spine.set_color">[docs]</a> <span class="k">def</span> <span class="nf">set_color</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">c</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Set the edgecolor.</span>
<span class="sd"> Parameters</span>
<span class="sd"> ----------</span>
<span class="sd"> c : color</span>
<span class="sd"> Notes</span>
<span class="sd"> -----</span>
<span class="sd"> This method does not modify the facecolor (which defaults to "none"),</span>
<span class="sd"> unlike the `Patch.set_color` method defined in the parent class. Use</span>
<span class="sd"> `Patch.set_facecolor` to set the facecolor.</span>
<span class="sd"> """</span>
<span class="bp">self</span><span class="o">.</span><span class="n">set_edgecolor</span><span class="p">(</span><span class="n">c</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">stale</span> <span class="o">=</span> <span class="kc">True</span></div></div>
</pre></div>
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© Copyright 2002 - 2012 John Hunter, Darren Dale, Eric Firing, Michael Droettboom and the Matplotlib development team; 2012 - 2018 The Matplotlib development team.
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Last updated on Mar 04, 2020.
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