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<div class="title">QwtSplineCurveFitter Class Reference</div> </div>
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<p>A curve fitter using a spline interpolation.
<a href="class_qwt_spline_curve_fitter.html#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="qwt__spline__curve__fitter_8h_source.html">qwt_spline_curve_fitter.h</a>&gt;</code></p>
<div class="dynheader">
Inheritance diagram for QwtSplineCurveFitter:</div>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a98ae80240b254df85dcc44e1f3e4e830"><td class="memItemLeft" align="right" valign="top"><a id="a98ae80240b254df85dcc44e1f3e4e830"></a>
&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline_curve_fitter.html#a98ae80240b254df85dcc44e1f3e4e830">QwtSplineCurveFitter</a> ()</td></tr>
<tr class="memdesc:a98ae80240b254df85dcc44e1f3e4e830"><td class="mdescLeft">&#160;</td><td class="mdescRight">Constructor. <br /></td></tr>
<tr class="separator:a98ae80240b254df85dcc44e1f3e4e830"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a933ecbf859698978104d0dd4ec2a2f6a"><td class="memItemLeft" align="right" valign="top"><a id="a933ecbf859698978104d0dd4ec2a2f6a"></a>
virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline_curve_fitter.html#a933ecbf859698978104d0dd4ec2a2f6a">~QwtSplineCurveFitter</a> ()</td></tr>
<tr class="memdesc:a933ecbf859698978104d0dd4ec2a2f6a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Destructor. <br /></td></tr>
<tr class="separator:a933ecbf859698978104d0dd4ec2a2f6a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3366c97cd1b28bf962d4fdbf3d75d51a"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline_curve_fitter.html#a3366c97cd1b28bf962d4fdbf3d75d51a">setSpline</a> (<a class="el" href="class_qwt_spline.html">QwtSpline</a> *)</td></tr>
<tr class="separator:a3366c97cd1b28bf962d4fdbf3d75d51a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aab51a4d6d28eb87ffd0e2878c7c32a71"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="class_qwt_spline.html">QwtSpline</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline_curve_fitter.html#aab51a4d6d28eb87ffd0e2878c7c32a71">spline</a> () const</td></tr>
<tr class="separator:aab51a4d6d28eb87ffd0e2878c7c32a71"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a98ddae85cebabe91731ac63746cf3389"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_qwt_spline.html">QwtSpline</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline_curve_fitter.html#a98ddae85cebabe91731ac63746cf3389">spline</a> ()</td></tr>
<tr class="separator:a98ddae85cebabe91731ac63746cf3389"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:acec7ca66398cd0e6b6e24159e9f00d3b"><td class="memItemLeft" align="right" valign="top">virtual QPolygonF&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline_curve_fitter.html#acec7ca66398cd0e6b6e24159e9f00d3b">fitCurve</a> (const QPolygonF &amp;) const override</td></tr>
<tr class="separator:acec7ca66398cd0e6b6e24159e9f00d3b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6d537e6d3aebdba0589eb2d1aa9c9154"><td class="memItemLeft" align="right" valign="top">virtual QPainterPath&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_spline_curve_fitter.html#a6d537e6d3aebdba0589eb2d1aa9c9154">fitCurvePath</a> (const QPolygonF &amp;) const override</td></tr>
<tr class="separator:a6d537e6d3aebdba0589eb2d1aa9c9154"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_methods_class_qwt_curve_fitter"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_qwt_curve_fitter')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="class_qwt_curve_fitter.html">QwtCurveFitter</a></td></tr>
<tr class="memitem:a62919f309f0441d94adea94573d0f778 inherit pub_methods_class_qwt_curve_fitter"><td class="memItemLeft" align="right" valign="top"><a id="a62919f309f0441d94adea94573d0f778"></a>
virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_curve_fitter.html#a62919f309f0441d94adea94573d0f778">~QwtCurveFitter</a> ()</td></tr>
<tr class="memdesc:a62919f309f0441d94adea94573d0f778 inherit pub_methods_class_qwt_curve_fitter"><td class="mdescLeft">&#160;</td><td class="mdescRight">Destructor. <br /></td></tr>
<tr class="separator:a62919f309f0441d94adea94573d0f778 inherit pub_methods_class_qwt_curve_fitter"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a8b0619d37b34e28d3881c2eb48cb50db inherit pub_methods_class_qwt_curve_fitter"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_qwt_curve_fitter.html#a4a9b88b0ab2842395a7662735c833301">Mode</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_curve_fitter.html#a8b0619d37b34e28d3881c2eb48cb50db">mode</a> () const</td></tr>
<tr class="separator:a8b0619d37b34e28d3881c2eb48cb50db inherit pub_methods_class_qwt_curve_fitter"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pub_types_class_qwt_curve_fitter"><td colspan="2" onclick="javascript:toggleInherit('pub_types_class_qwt_curve_fitter')"><img src="closed.png" alt="-"/>&#160;Public Types inherited from <a class="el" href="class_qwt_curve_fitter.html">QwtCurveFitter</a></td></tr>
<tr class="memitem:a4a9b88b0ab2842395a7662735c833301 inherit pub_types_class_qwt_curve_fitter"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_curve_fitter.html#a4a9b88b0ab2842395a7662735c833301">Mode</a> { <a class="el" href="class_qwt_curve_fitter.html#a4a9b88b0ab2842395a7662735c833301a87fb6ae7b505e76e42456c6caacdc3af">Polygon</a>
, <a class="el" href="class_qwt_curve_fitter.html#a4a9b88b0ab2842395a7662735c833301a86090d569665ef9f1d47f61ada986996">Path</a>
}</td></tr>
<tr class="memdesc:a4a9b88b0ab2842395a7662735c833301"><td class="mdescLeft">&#160;</td><td class="mdescRight">Preferred mode of the fitting algorithm. <a href="class_qwt_curve_fitter.html#a4a9b88b0ab2842395a7662735c833301">More...</a><br /></td></tr>
<tr class="separator:a4a9b88b0ab2842395a7662735c833301 inherit pub_types_class_qwt_curve_fitter"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pro_methods_class_qwt_curve_fitter"><td colspan="2" onclick="javascript:toggleInherit('pro_methods_class_qwt_curve_fitter')"><img src="closed.png" alt="-"/>&#160;Protected Member Functions inherited from <a class="el" href="class_qwt_curve_fitter.html">QwtCurveFitter</a></td></tr>
<tr class="memitem:acd45c40e13a1c43a959daeb595f144e1 inherit pro_methods_class_qwt_curve_fitter"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_curve_fitter.html#acd45c40e13a1c43a959daeb595f144e1">QwtCurveFitter</a> (<a class="el" href="class_qwt_curve_fitter.html#a4a9b88b0ab2842395a7662735c833301">Mode</a> <a class="el" href="class_qwt_curve_fitter.html#a8b0619d37b34e28d3881c2eb48cb50db">mode</a>)</td></tr>
<tr class="separator:acd45c40e13a1c43a959daeb595f144e1 inherit pro_methods_class_qwt_curve_fitter"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>A curve fitter using a spline interpolation. </p>
<p>The default setting for the spline is a cardinal spline with uniform parametrization.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_spline.html" title="Base class for all splines.">QwtSpline</a>, <a class="el" href="class_qwt_spline_local.html" title="A spline with C1 continuity.">QwtSplineLocal</a> </dd></dl>
<p class="definition">Definition at line <a class="el" href="qwt__spline__curve__fitter_8h_source.html#l00025">25</a> of file <a class="el" href="qwt__spline__curve__fitter_8h_source.html">qwt_spline_curve_fitter.h</a>.</p>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a id="acec7ca66398cd0e6b6e24159e9f00d3b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#acec7ca66398cd0e6b6e24159e9f00d3b">&#9670;&nbsp;</a></span>fitCurve()</h2>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
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<td class="memname">QPolygonF QwtSplineCurveFitter::fitCurve </td>
<td>(</td>
<td class="paramtype">const QPolygonF &amp;&#160;</td>
<td class="paramname"><em>points</em></td><td>)</td>
<td> const</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Find a curve which has the best fit to a series of data points</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">points</td><td>Series of data points </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Fitted Curve</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_spline_curve_fitter.html#a6d537e6d3aebdba0589eb2d1aa9c9154">fitCurvePath()</a> </dd></dl>
<p>Implements <a class="el" href="class_qwt_curve_fitter.html#afa9bf5b328aa553229e204533a60fec0">QwtCurveFitter</a>.</p>
<p class="definition">Definition at line <a class="el" href="qwt__spline__curve__fitter_8cpp_source.html#l00075">75</a> of file <a class="el" href="qwt__spline__curve__fitter_8cpp_source.html">qwt_spline_curve_fitter.cpp</a>.</p>
</div>
</div>
<a id="a6d537e6d3aebdba0589eb2d1aa9c9154"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a6d537e6d3aebdba0589eb2d1aa9c9154">&#9670;&nbsp;</a></span>fitCurvePath()</h2>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">QPainterPath QwtSplineCurveFitter::fitCurvePath </td>
<td>(</td>
<td class="paramtype">const QPolygonF &amp;&#160;</td>
<td class="paramname"><em>points</em></td><td>)</td>
<td> const</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Find a curve path which has the best fit to a series of data points</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">points</td><td>Series of data points </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Fitted Curve</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_spline_curve_fitter.html#acec7ca66398cd0e6b6e24159e9f00d3b">fitCurve()</a> </dd></dl>
<p>Implements <a class="el" href="class_qwt_curve_fitter.html#a49b54c6e81081e9c8a583d8b5ccbab9c">QwtCurveFitter</a>.</p>
<p class="definition">Definition at line <a class="el" href="qwt__spline__curve__fitter_8cpp_source.html#l00094">94</a> of file <a class="el" href="qwt__spline__curve__fitter_8cpp_source.html">qwt_spline_curve_fitter.cpp</a>.</p>
</div>
</div>
<a id="a3366c97cd1b28bf962d4fdbf3d75d51a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a3366c97cd1b28bf962d4fdbf3d75d51a">&#9670;&nbsp;</a></span>setSpline()</h2>
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<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void QwtSplineCurveFitter::setSpline </td>
<td>(</td>
<td class="paramtype"><a class="el" href="class_qwt_spline.html">QwtSpline</a> *&#160;</td>
<td class="paramname"><em>spline</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Assign a spline</p>
<p>The spline needs to be allocated by new and will be deleted in the destructor of the fitter.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">spline</td><td>Spline </td></tr>
</table>
</dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_spline_curve_fitter.html#a98ddae85cebabe91731ac63746cf3389">spline()</a> </dd></dl>
<p class="definition">Definition at line <a class="el" href="qwt__spline__curve__fitter_8cpp_source.html#l00040">40</a> of file <a class="el" href="qwt__spline__curve__fitter_8cpp_source.html">qwt_spline_curve_fitter.cpp</a>.</p>
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<a id="a98ddae85cebabe91731ac63746cf3389"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a98ddae85cebabe91731ac63746cf3389">&#9670;&nbsp;</a></span>spline() <span class="overload">[1/2]</span></h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="class_qwt_spline.html">QwtSpline</a> * QwtSplineCurveFitter::spline </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<dl class="section return"><dt>Returns</dt><dd>Spline </dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_spline_curve_fitter.html#a3366c97cd1b28bf962d4fdbf3d75d51a">setSpline()</a> </dd></dl>
<p class="definition">Definition at line <a class="el" href="qwt__spline__curve__fitter_8cpp_source.html#l00062">62</a> of file <a class="el" href="qwt__spline__curve__fitter_8cpp_source.html">qwt_spline_curve_fitter.cpp</a>.</p>
</div>
</div>
<a id="aab51a4d6d28eb87ffd0e2878c7c32a71"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aab51a4d6d28eb87ffd0e2878c7c32a71">&#9670;&nbsp;</a></span>spline() <span class="overload">[2/2]</span></h2>
<div class="memitem">
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<td class="memname">const <a class="el" href="class_qwt_spline.html">QwtSpline</a> * QwtSplineCurveFitter::spline </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</div><div class="memdoc">
<dl class="section return"><dt>Returns</dt><dd>Spline </dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_spline_curve_fitter.html#a3366c97cd1b28bf962d4fdbf3d75d51a">setSpline()</a> </dd></dl>
<p class="definition">Definition at line <a class="el" href="qwt__spline__curve__fitter_8cpp_source.html#l00053">53</a> of file <a class="el" href="qwt__spline__curve__fitter_8cpp_source.html">qwt_spline_curve_fitter.cpp</a>.</p>
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