class_qwt_plot_spectrogram.html

QWT5.01用于Qt开发的二维图形库程序

  </tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
<dl compact><dt><b>Returns:</b></dt><dd>Bounding rect of the data </dd></dl>
<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_raster_data.html#2e730c7b31507bb66379f64af3468a25">QwtRasterData::boundingRect</a> </dd></dl>

<p>
Reimplemented from <a class="el" href="class_qwt_plot_item.html#4c2c1c77421229383b3c43cb777e3bfe">QwtPlotItem</a>.
<p>
Definition at line <a class="el" href="qwt__plot__spectrogram_8cpp-source.html#l00364">364</a> of file <a class="el" href="qwt__plot__spectrogram_8cpp-source.html">qwt_plot_spectrogram.cpp</a>.
<p>
Referenced by <a class="el" href="qwt__plot__spectrogram_8cpp-source.html#l00615">draw()</a>.    </td>
  </tr>
</table>
<a class="anchor" name="ad8de9bc57b7e3e7366a67d55ad8e012"></a><!-- doxytag: member="QwtPlotSpectrogram::colorMap" ref="ad8de9bc57b7e3e7366a67d55ad8e012" args="() const " --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top">const <a class="el" href="class_qwt_color_map.html">QwtColorMap</a> &amp; QwtPlotSpectrogram::colorMap           </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>
        </tr>
      </table>
    </td>
  </tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
<dl compact><dt><b>Returns:</b></dt><dd>Color Map used for mapping the intensity values to colors </dd></dl>
<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_plot_spectrogram.html#cafcf790efcc9488acdfb941c1532c59">setColorMap()</a> </dd></dl>

<p>
Definition at line <a class="el" href="qwt__plot__spectrogram_8cpp-source.html#l00215">215</a> of file <a class="el" href="qwt__plot__spectrogram_8cpp-source.html">qwt_plot_spectrogram.cpp</a>.
<p>
Referenced by <a class="el" href="qwt__plot__spectrogram_8cpp-source.html#l00202">setColorMap()</a>.    </td>
  </tr>
</table>
<a class="anchor" name="235c93eb3ca7e6d4a669330c39fdb0f1"></a><!-- doxytag: member="QwtPlotSpectrogram::contourLevels" ref="235c93eb3ca7e6d4a669330c39fdb0f1" args="() const " --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top">QwtValueList QwtPlotSpectrogram::contourLevels           </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>
        </tr>
      </table>
    </td>
  </tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
Return the levels of the contour lines. 
<p>
The levels are sorted in increasing order.<p>
<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_plot_spectrogram.html#235c93eb3ca7e6d4a669330c39fdb0f1">contourLevels</a>, <a class="el" href="class_qwt_plot_spectrogram.html#bb0a5d6617c834016c3034e7a4e1396f">renderContourLines</a>, <a class="el" href="class_qwt_raster_data.html#5e62b72075c01a6be21a7d93b8c934d6">QwtRasterData::contourLines</a> </dd></dl>

<p>
Definition at line <a class="el" href="qwt__plot__spectrogram_8cpp-source.html#l00331">331</a> of file <a class="el" href="qwt__plot__spectrogram_8cpp-source.html">qwt_plot_spectrogram.cpp</a>.    </td>
  </tr>
</table>
<a class="anchor" name="9c5c16fcda0422739c5393e42be5af37"></a><!-- doxytag: member="QwtPlotSpectrogram::contourPen" ref="9c5c16fcda0422739c5393e42be5af37" args="(double level) const " --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top">QPen QwtPlotSpectrogram::contourPen           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">double&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>level</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap> const<code> [virtual]</code></td>
        </tr>
      </table>
    </td>
  </tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
Calculate the pen for a contour line. 
<p>
The color of the pen is the color for level calculated by the color map<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>level</em>&nbsp;</td><td>Contour level </td></tr>
  </table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>Pen for the contour line </dd></dl>
<dl compact><dt><b>Note:</b></dt><dd>contourPen is only used if <a class="el" href="class_qwt_plot_spectrogram.html#0b5964a44f4c0ed0139681c6873ada73">defaultContourPen()</a>.style() == Qt::NoPen</dd></dl>
<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_plot_spectrogram.html#fa3dea62acc8e5607e84bff8f50804b8">setDefaultContourPen</a>, <a class="el" href="class_qwt_plot_spectrogram.html#cafcf790efcc9488acdfb941c1532c59">setColorMap</a>, <a class="el" href="class_qwt_plot_spectrogram.html#6703dd9e8806258cd8544f90a735e459">setContourLevels</a> </dd></dl>

<p>
Definition at line <a class="el" href="qwt__plot__spectrogram_8cpp-source.html#l00259">259</a> of file <a class="el" href="qwt__plot__spectrogram_8cpp-source.html">qwt_plot_spectrogram.cpp</a>.
<p>
Referenced by <a class="el" href="qwt__plot__spectrogram_8cpp-source.html#l00566">drawContourLines()</a>.    </td>
  </tr>
</table>
<a class="anchor" name="41e6db9057d6c69f45f0556693e50502"></a><!-- doxytag: member="QwtPlotSpectrogram::contourRasterSize" ref="41e6db9057d6c69f45f0556693e50502" args="(const QwtDoubleRect &amp;, const QRect &amp;) const " --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top">QSize QwtPlotSpectrogram::contourRasterSize           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const QwtDoubleRect &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>area</em>, </td>
        </tr>
        <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>const QRect &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>rect</em></td>
        </tr>
        <tr>
          <td class="md"></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"> const<code> [protected, virtual]</code></td>
        </tr>
      </table>
    </td>
  </tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
Return the raster to be used by the CONREC contour algorithm. 
<p>
A larger size will improve the precisision of the CONREC algorithm, but will slow down the time that is needed to calculate the lines.<p>
The default implementation returns rect.size() / 2 bounded to <a class="el" href="class_qwt_plot_spectrogram.html#459af4973da43510b27d57494770fb14">data()</a>.<a class="el" href="class_qwt_plot_spectrogram.html#4e59ddce72db5df3d0be3986e74ab1f7">rasterHint()</a>.<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>area</em>&nbsp;</td><td>Rect, where to calculate the contour lines </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>rect</em>&nbsp;</td><td>Rect in pixel coordinates, where to paint the contour lines </td></tr>
  </table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>Raster to be used by the CONREC contour algorithm.</dd></dl>
<dl compact><dt><b>Note:</b></dt><dd>The size will be bounded to rect.size().</dd></dl>
<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_plot_spectrogram.html#ebd2c5ee80b3131138d4a55096962912">drawContourLines</a>, <a class="el" href="class_qwt_raster_data.html#5e62b72075c01a6be21a7d93b8c934d6">QwtRasterData::contourLines</a> </dd></dl>

<p>
Definition at line <a class="el" href="qwt__plot__spectrogram_8cpp-source.html#l00529">529</a> of file <a class="el" href="qwt__plot__spectrogram_8cpp-source.html">qwt_plot_spectrogram.cpp</a>.
<p>
References <a class="el" href="qwt__plot__spectrogram_8cpp-source.html#l00378">rasterHint()</a>.
<p>
Referenced by <a class="el" href="qwt__plot__spectrogram_8cpp-source.html#l00615">draw()</a>.    </td>
  </tr>
</table>
<a class="anchor" name="459af4973da43510b27d57494770fb14"></a><!-- doxytag: member="QwtPlotSpectrogram::data" ref="459af4973da43510b27d57494770fb14" args="() const " --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top">const <a class="el" href="class_qwt_raster_data.html">QwtRasterData</a> &amp; QwtPlotSpectrogram::data           </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>
        </tr>
      </table>
    </td>
  </tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
<dl compact><dt><b>Returns:</b></dt><dd>Spectrogram data </dd></dl>
<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_plot_spectrogram.html#72c5c1424b3dd6a391c7944994e30978">setData()</a> </dd></dl>

<p>
Definition at line <a class="el" href="qwt__plot__spectrogram_8cpp-source.html#l00355">355</a> of file <a class="el" href="qwt__plot__spectrogram_8cpp-source.html">qwt_plot_spectrogram.cpp</a>.
<p>
Referenced by <a class="el" href="qwt__plot__spectrogram_8cpp-source.html#l00342">setData()</a>.    </td>
  </tr>
</table>
<a class="anchor" name="0b5964a44f4c0ed0139681c6873ada73"></a><!-- doxytag: member="QwtPlotSpectrogram::defaultContourPen" ref="0b5964a44f4c0ed0139681c6873ada73" args="() const " --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top">QPen QwtPlotSpectrogram::defaultContourPen           </td>