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awips2/pythonPackages/scientific/Doc/Reference/Scientific.QtWidgets.QtPlotCanvas.PlotCanvas-class.html
mjames-upc ae6bbbc780 python updates: cartopy, cycler, cython, h5py, nose, pil, pyparsing, pygtk, pycairo, pint, python-dateutil, scientific 
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<?xml version="1.0" encoding="ascii"?>
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<a href="Scientific-module.html">Package&nbsp;Scientific</a> ::
<a href="Scientific.QtWidgets-module.html">Package&nbsp;QtWidgets</a> ::
<a href="Scientific.QtWidgets.QtPlotCanvas-module.html">Module&nbsp;QtPlotCanvas</a> ::
Class&nbsp;PlotCanvas
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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>
<!-- ==================== INSTANCE METHODS ==================== -->
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<span class="summary-type">&nbsp;</span>
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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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<span class="summary-type">&nbsp;</span>
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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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<span class="summary-type">&nbsp;</span>
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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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<span class="summary-type">&nbsp;</span>
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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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<a name="__init__"></a>
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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>
</h3>
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>&nbsp;
</td>
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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>
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<a name="select"></a>
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cellspacing="0" width="100%" bgcolor="white">
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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>
</div>
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