class_qwt_plot_picker.html

QWT5.01用于Qt开发的二维图形库程序

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          <td class="md" nowrap valign="top">void QwtPlotPicker::setAxis           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">int&nbsp;</td>
          <td class="mdname" nowrap> <em>xAxis</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>int&nbsp;</td>
          <td class="mdname" nowrap> <em>yAxis</em></td>
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          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"><code> [virtual]</code></td>
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<p>
Set the x and y axes of the picker<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>xAxis</em>&nbsp;</td><td>X axis </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>yAxis</em>&nbsp;</td><td>Y axis </td></tr>
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<p>
Reimplemented in <a class="el" href="class_qwt_plot_zoomer.html#6cb755e06b83e50e8353dd706f7fb6f0">QwtPlotZoomer</a>.
<p>
Definition at line <a class="el" href="qwt__plot__picker_8cpp-source.html#l00169">169</a> of file <a class="el" href="qwt__plot__picker_8cpp-source.html">qwt_plot_picker.cpp</a>.
<p>
References <a class="el" href="qwt__plot__picker_8cpp-source.html#l00119">plot()</a>.
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Referenced by <a class="el" href="qwt__plot__zoomer_8cpp-source.html#l00387">QwtPlotZoomer::setAxis()</a>.    </td>
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<a class="anchor" name="0b2e4f3995af42367f352cef6d334ee2"></a><!-- doxytag: member="QwtPlotPicker::trackerText" ref="0b2e4f3995af42367f352cef6d334ee2" args="(const QwtDoublePoint &amp;) const " --><p>
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          <td class="md" nowrap valign="top"><a class="el" href="class_qwt_text.html">QwtText</a> QwtPlotPicker::trackerText           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const QwtDoublePoint &amp;&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>pos</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap> const<code> [protected, virtual]</code></td>
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<p>
Translate a position into a position string. 
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In case of HLineRubberBand the label is the value of the y position, in case of VLineRubberBand the value of the x position. Otherwise the label contains x and y position separated by a ',' .<p>
The format for the double to string conversion is "%.4f".<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td valign="top"></td><td valign="top"><em>pos</em>&nbsp;</td><td>Position </td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>Position string </dd></dl>

<p>
Definition at line <a class="el" href="qwt__plot__picker_8cpp-source.html#l00217">217</a> of file <a class="el" href="qwt__plot__picker_8cpp-source.html">qwt_plot_picker.cpp</a>.
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References <a class="el" href="qwt__picker_8cpp-source.html#l00373">QwtPicker::rubberBand()</a>.    </td>
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<a class="anchor" name="7a85e6d7a45e5e480db670bb5f9a9b72"></a><!-- doxytag: member="QwtPlotPicker::trackerText" ref="7a85e6d7a45e5e480db670bb5f9a9b72" args="(const QPoint &amp;) const " --><p>
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          <td class="md" nowrap valign="top"><a class="el" href="class_qwt_text.html">QwtText</a> QwtPlotPicker::trackerText           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const QPoint &amp;&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>pos</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap> const<code> [protected, virtual]</code></td>
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<p>
Translate a pixel position into a position string<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td valign="top"></td><td valign="top"><em>pos</em>&nbsp;</td><td>Position in pixel coordinates </td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>Position string </dd></dl>

<p>
Reimplemented from <a class="el" href="class_qwt_picker.html#48ab7695edfa22df80490bf930f16cc4">QwtPicker</a>.
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Definition at line <a class="el" href="qwt__plot__picker_8cpp-source.html#l00200">200</a> of file <a class="el" href="qwt__plot__picker_8cpp-source.html">qwt_plot_picker.cpp</a>.
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References <a class="el" href="qwt__plot__picker_8cpp-source.html#l00332">invTransform()</a>.    </td>
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<a class="anchor" name="2c15072c6b02020987f101702230e92c"></a><!-- doxytag: member="QwtPlotPicker::transform" ref="2c15072c6b02020987f101702230e92c" args="(const QwtDoublePoint &amp;) const " --><p>
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          <td class="md" nowrap valign="top">QPoint QwtPlotPicker::transform           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const QwtDoublePoint &amp;&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>pos</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap> const<code> [protected]</code></td>
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<p>
Translate a point from plot into pixel coordinates <dl compact><dt><b>Returns:</b></dt><dd>Point in pixel coordinates </dd></dl>
<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_plot_picker.html#fed4c21c2c9d7a3bf1d7a722b78b6264">QwtPlotPicker::invTransform()</a> </dd></dl>

<p>
Definition at line <a class="el" href="qwt__plot__picker_8cpp-source.html#l00385">385</a> of file <a class="el" href="qwt__plot__picker_8cpp-source.html">qwt_plot_picker.cpp</a>.
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References <a class="el" href="qwt__plot_8cpp-source.html#l00626">QwtPlot::canvasMap()</a>, <a class="el" href="qwt__plot__picker_8cpp-source.html#l00119">plot()</a>, and <a class="el" href="qwt__scale__map_8h-source.html#l00175">QwtScaleMap::transform()</a>.    </td>
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<a class="anchor" name="f825eb774b3fd77cde590f3de7807d9e"></a><!-- doxytag: member="QwtPlotPicker::transform" ref="f825eb774b3fd77cde590f3de7807d9e" args="(const QwtDoubleRect &amp;) const " --><p>
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          <td class="md" nowrap valign="top">QRect QwtPlotPicker::transform           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const QwtDoubleRect &amp;&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>rect</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap> const<code> [protected]</code></td>
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<p>
Translate a rectangle from plot into pixel coordinates <dl compact><dt><b>Returns:</b></dt><dd>Rectangle in pixel coordinates </dd></dl>
<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_plot_picker.html#fed4c21c2c9d7a3bf1d7a722b78b6264">QwtPlotPicker::invTransform()</a> </dd></dl>

<p>
Definition at line <a class="el" href="qwt__plot__picker_8cpp-source.html#l00351">351</a> of file <a class="el" href="qwt__plot__picker_8cpp-source.html">qwt_plot_picker.cpp</a>.
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References <a class="el" href="qwt__plot_8cpp-source.html#l00626">QwtPlot::canvasMap()</a>, <a class="el" href="qwt__plot__picker_8cpp-source.html#l00119">plot()</a>, and <a class="el" href="qwt__scale__map_8h-source.html#l00175">QwtScaleMap::transform()</a>.    </td>
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<a class="anchor" name="9cdd6d56e990173a00c6c81edbe8818d"></a><!-- doxytag: member="QwtPlotPicker::xAxis" ref="9cdd6d56e990173a00c6c81edbe8818d" args="() const " --><p>
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          <td class="md" nowrap valign="top">int QwtPlotPicker::xAxis           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap> const</td>
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<p>
Return x axis. 
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<p>
Definition at line <a class="el" href="qwt__plot__picker_8cpp-source.html#l00183">183</a> of file <a class="el" href="qwt__plot__picker_8cpp-source.html">qwt_plot_picker.cpp</a>.
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Referenced by <a class="el" href="qwt__plot__picker_8cpp-source.html#l00032">QwtPlotPicker()</a>, <a class="el" href="qwt__plot__zoomer_8cpp-source.html#l00343">QwtPlotZoomer::rescale()</a>, <a class="el" href="qwt__plot__picker_8cpp-source.html#l00143">scaleRect()</a>, and <a class="el" href="qwt__plot__zoomer_8cpp-source.html#l00387">QwtPlotZoomer::setAxis()</a>.    </td>
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<a class="anchor" name="3068fb734845abfdf5dff00ead18377f"></a><!-- doxytag: member="QwtPlotPicker::yAxis" ref="3068fb734845abfdf5dff00ead18377f" args="() const " --><p>
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          <td class="md" nowrap valign="top">int QwtPlotPicker::yAxis           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap> const</td>
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<p>
Return y axis. 
<p>

<p>
Definition at line <a class="el" href="qwt__plot__picker_8cpp-source.html#l00189">189</a> of file <a class="el" href="qwt__plot__picker_8cpp-source.html">qwt_plot_picker.cpp</a>.
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Referenced by <a class="el" href="qwt__plot__zoomer_8cpp-source.html#l00343">QwtPlotZoomer::rescale()</a>, <a class="el" href="qwt__plot__picker_8cpp-source.html#l00143">scaleRect()</a>, and <a class="el" href="qwt__plot__zoomer_8cpp-source.html#l00387">QwtPlotZoomer::setAxis()</a>.    </td>
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