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<!-- ==================== CLASS DESCRIPTION ==================== -->
<h1 class="epydoc">Class PlotCanvas</h1><p class="nomargin-top"></p>
<pre class="base-tree">
qt_fake.QWidget --+
                  |
                 <strong class="uidshort">PlotCanvas</strong>
</pre>

<hr />
<p>Qt plot widget</p>
  <p>PlotCanvas objects support all operations of Qt widgets.</p>

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          <td><span class="summary-sig"><a href="Scientific.QtWidgets.QtPlotCanvas.PlotCanvas-class.html#__init__" class="summary-sig-name">__init__</a>(<span class="summary-sig-arg">self</span>,
        <span class="summary-sig-arg">parent</span>=<span class="summary-sig-default">None</span>,
        <span class="summary-sig-arg">background</span>=<span class="summary-sig-default"><code class="variable-quote">'</code><code class="variable-string">white</code><code class="variable-quote">'</code></span>,
        <span class="summary-sig-arg">font</span>=<span class="summary-sig-default">None</span>,
        <span class="summary-sig-arg">zoom</span>=<span class="summary-sig-default">False</span>,
        <span class="summary-sig-arg">select</span>=<span class="summary-sig-default">None</span>)</span></td>
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          <td><span class="summary-sig"><a name="clear"></a><span class="summary-sig-name">clear</span>(<span class="summary-sig-arg">self</span>)</span><br />
      Clear the canvas</td>
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          <td><span class="summary-sig"><a href="Scientific.QtWidgets.QtPlotCanvas.PlotCanvas-class.html#draw" class="summary-sig-name">draw</a>(<span class="summary-sig-arg">self</span>,
        <span class="summary-sig-arg">graphics</span>,
        <span class="summary-sig-arg">xaxis</span>=<span class="summary-sig-default">None</span>,
        <span class="summary-sig-arg">yaxis</span>=<span class="summary-sig-default">None</span>)</span><br />
      Draw something on the canvas</td>
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          </td>
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      <span class="summary-type">&nbsp;</span>
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          <td><span class="summary-sig"><a name="mouseMoveEvent"></a><span class="summary-sig-name">mouseMoveEvent</span>(<span class="summary-sig-arg">self</span>,
        <span class="summary-sig-arg">event</span>)</span></td>
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          <td><span class="summary-sig"><a name="mousePressEvent"></a><span class="summary-sig-name">mousePressEvent</span>(<span class="summary-sig-arg">self</span>,
        <span class="summary-sig-arg">event</span>)</span></td>
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          <td><span class="summary-sig"><a name="mouseReleaseEvent"></a><span class="summary-sig-name">mouseReleaseEvent</span>(<span class="summary-sig-arg">self</span>,
        <span class="summary-sig-arg">event</span>)</span></td>
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          <td><span class="summary-sig"><a name="paintEvent"></a><span class="summary-sig-name">paintEvent</span>(<span class="summary-sig-arg">self</span>,
        <span class="summary-sig-arg">event</span>)</span></td>
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          <td><span class="summary-sig"><a name="redraw"></a><span class="summary-sig-name">redraw</span>(<span class="summary-sig-arg">self</span>)</span><br />
      Redraw the most recent canvas contents</td>
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          <td><span class="summary-sig"><a name="resizeEvent"></a><span class="summary-sig-name">resizeEvent</span>(<span class="summary-sig-arg">self</span>,
        <span class="summary-sig-arg">event</span>)</span></td>
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          <td><span class="summary-sig"><a href="Scientific.QtWidgets.QtPlotCanvas.PlotCanvas-class.html#select" class="summary-sig-name">select</a>(<span class="summary-sig-arg">self</span>,
        <span class="summary-sig-arg">range</span>)</span><br />
      Highlight a range on the x-axis</td>
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  <h3 class="epydoc"><span class="sig"><span class="sig-name">__init__</span>(<span class="sig-arg">self</span>,
        <span class="sig-arg">parent</span>=<span class="sig-default">None</span>,
        <span class="sig-arg">background</span>=<span class="sig-default"><code class="variable-quote">'</code><code class="variable-string">white</code><code class="variable-quote">'</code></span>,
        <span class="sig-arg">font</span>=<span class="sig-default">None</span>,
        <span class="sig-arg">zoom</span>=<span class="sig-default">False</span>,
        <span class="sig-arg">select</span>=<span class="sig-default">None</span>)</span>
    <br /><em class="fname">(Constructor)</em>
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  <dl class="fields">
    <dt>Parameters:</dt>
    <dd><ul class="nomargin-top">
        <li><strong class="pname"><code>parent</code></strong> - the parent widget</li>
        <li><strong class="pname"><code>background</code></strong> (<code>str</code>) - the background color</li>
        <li><strong class="pname"><code>font</code></strong> (QFont) - the font for axis labels, default: 10 point Helevetica</li>
        <li><strong class="pname"><code>zoom</code></strong> (<code>bool</code>) - a flag that indicates whether interactive zooming (using the left
          mouse button) is enabled; the default is <code>False</code> (no 
          zoom)</li>
        <li><strong class="pname"><code>select</code></strong> - enables the user to select a range along the x axis by dragging 
          the mouse (with the left button pressed) in the area <b>under</b>
          the x axis. If select is 0, no selection is possible. Otherwise 
          the value of select must be a callable object that is called 
          whenever the selection changes, with a single argument that can 
          be <code>None</code> (no selection) or a tuple containing two x 
          values.</li>
    </ul></dd>
  </dl>
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  <h3 class="epydoc"><span class="sig"><span class="sig-name">draw</span>(<span class="sig-arg">self</span>,
        <span class="sig-arg">graphics</span>,
        <span class="sig-arg">xaxis</span>=<span class="sig-default">None</span>,
        <span class="sig-arg">yaxis</span>=<span class="sig-default">None</span>)</span>
  </h3>
  </td><td align="right" valign="top"
    >&nbsp;
    </td>
  </tr></table>
  
  <p>Draw something on the canvas</p>
  <dl class="fields">
    <dt>Parameters:</dt>
    <dd><ul class="nomargin-top">
        <li><strong class="pname"><code>graphics</code></strong> - the graphics object (<a 
          href="Scientific.QtWidgets.QtPlotCanvas.PolyLine-class.html" 
          class="link">PolyLine</a>, <a 
          href="Scientific.QtWidgets.QtPlotCanvas.PolyMarker-class.html" 
          class="link">PolyMarker</a>, or <a 
          href="Scientific.QtWidgets.QtPlotCanvas.PlotGraphics-class.html" 
          class="link">PlotGraphics</a>) to be drawn</li>
        <li><strong class="pname"><code>xaxis</code></strong> - <code>None</code> (no x-axis), <code>&quot;automatic&quot;</code>
          (automatic scaling), or a pair (x1, x2) defining the range of the
          x-axis</li>
        <li><strong class="pname"><code>yaxis</code></strong> - <code>None</code> (no y-axis), <code>&quot;automatic&quot;</code>
          (automatic scaling), or a pair (y1, y2) defining the range of the
          y-axis</li>
    </ul></dd>
  </dl>
</td></tr></table>
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  <h3 class="epydoc"><span class="sig"><span class="sig-name">select</span>(<span class="sig-arg">self</span>,
        <span class="sig-arg">range</span>)</span>
  </h3>
  </td><td align="right" valign="top"
    >&nbsp;
    </td>
  </tr></table>
  
  <p>Highlight a range on the x-axis</p>
  <dl class="fields">
    <dt>Parameters:</dt>
    <dd><ul class="nomargin-top">
        <li><strong class="pname"><code>range</code></strong> - the range on the x-axis to be highlighted. It can be 
          <code>None</code> (no selection) or a sequence of two values on 
          the x-axis.</li>
    </ul></dd>
  </dl>
</td></tr></table>
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