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<title>Qwt User's Guide: QwtCurveFitter Class Reference</title>
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<div id="projectname">Qwt User's Guide <span id="projectnumber">6.0.1</span></div>
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<h1>QwtCurveFitter Class Reference</h1> </div>
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<!-- doxytag: class="QwtCurveFitter" -->
<p>Abstract base class for a curve fitter.
<a href="#_details">More...</a></p>
<p><code>#include <<a class="el" href="qwt__curve__fitter_8h_source.html">qwt_curve_fitter.h</a>></code></p>
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Inheritance diagram for QwtCurveFitter:</div>
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<div class="center"><img src="class_qwt_curve_fitter__inherit__graph.png" border="0" usemap="#_qwt_curve_fitter_inherit__map" alt="Inheritance graph"/></div>
<map name="_qwt_curve_fitter_inherit__map" id="_qwt_curve_fitter_inherit__map">
<area shape="rect" id="node3" href="class_qwt_spline_curve_fitter.html" title="A curve fitter using cubic splines." alt="" coords="5,83,147,112"/><area shape="rect" id="node5" href="class_qwt_weeding_curve_fitter.html" title="A curve fitter implementing Douglas and Peucker algorithm." alt="" coords="171,83,328,112"/></map>
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<p><a href="class_qwt_curve_fitter-members.html">List of all members.</a></p>
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Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual QPolygonF </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_curve_fitter.html#afa9bf5b328aa553229e204533a60fec0">fitCurve</a> (const QPolygonF &polygon) const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_curve_fitter.html#a62919f309f0441d94adea94573d0f778">~QwtCurveFitter</a> ()</td></tr>
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Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_curve_fitter.html#ad804660017ae0f3ede604470724b3df3">QwtCurveFitter</a> ()</td></tr>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>Abstract base class for a curve fitter. </p>
</div><hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="a62919f309f0441d94adea94573d0f778"></a><!-- doxytag: member="QwtCurveFitter::~QwtCurveFitter" ref="a62919f309f0441d94adea94573d0f778" args="()" -->
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<td class="memname">QwtCurveFitter::~QwtCurveFitter </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td><code> [virtual]</code></td>
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<p>Destructor. </p>
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<a class="anchor" id="ad804660017ae0f3ede604470724b3df3"></a><!-- doxytag: member="QwtCurveFitter::QwtCurveFitter" ref="ad804660017ae0f3ede604470724b3df3" args="()" -->
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<td class="memname">QwtCurveFitter::QwtCurveFitter </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td><code> [protected]</code></td>
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<p>Constructor. </p>
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<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="afa9bf5b328aa553229e204533a60fec0"></a><!-- doxytag: member="QwtCurveFitter::fitCurve" ref="afa9bf5b328aa553229e204533a60fec0" args="(const QPolygonF &polygon) const =0" -->
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<td class="memname">virtual QPolygonF QwtCurveFitter::fitCurve </td>
<td>(</td>
<td class="paramtype">const QPolygonF & </td>
<td class="paramname"><em>polygon</em></td><td>)</td>
<td> const<code> [pure virtual]</code></td>
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<p>Find a curve which has the best fit to a series of data points</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">polygon</td><td>Series of data points </td></tr>
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</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>Curve points </dd></dl>
<p>Implemented in <a class="el" href="class_qwt_spline_curve_fitter.html#a14d64180d7777d0cd9c2adf81e120140">QwtSplineCurveFitter</a>, and <a class="el" href="class_qwt_weeding_curve_fitter.html#aa316dc6c60ae0d0c74ef0bc0fc239f0b">QwtWeedingCurveFitter</a>.</p>
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