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<div id="projectname">Qwt User's Guide <span id="projectnumber">6.0.1</span></div>
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<h1>qwt_curve_fitter.h</h1> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************</span>
<a name="l00002"></a>00002 <span class="comment"> * Qwt Widget Library</span>
<a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 1997 Josef Wilgen</span>
<a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 2002 Uwe Rathmann</span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
<a name="l00007"></a>00007 <span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span>
<a name="l00008"></a>00008 <span class="comment"> *****************************************************************************/</span>
<a name="l00009"></a>00009
<a name="l00010"></a>00010 <span class="preprocessor">#ifndef QWT_CURVE_FITTER_H</span>
<a name="l00011"></a>00011 <span class="preprocessor"></span><span class="preprocessor">#define QWT_CURVE_FITTER_H</span>
<a name="l00012"></a>00012 <span class="preprocessor"></span>
<a name="l00013"></a>00013 <span class="preprocessor">#include "qwt_global.h"</span>
<a name="l00014"></a>00014 <span class="preprocessor">#include <qpolygon.h></span>
<a name="l00015"></a>00015 <span class="preprocessor">#include <qrect.h></span>
<a name="l00016"></a>00016
<a name="l00017"></a>00017 <span class="keyword">class </span><a class="code" href="class_qwt_spline.html" title="A class for spline interpolation.">QwtSpline</a>;
<a name="l00018"></a>00018
<a name="l00022"></a><a class="code" href="class_qwt_curve_fitter.html">00022</a> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_curve_fitter.html" title="Abstract base class for a curve fitter.">QwtCurveFitter</a>
<a name="l00023"></a>00023 {
<a name="l00024"></a>00024 <span class="keyword">public</span>:
<a name="l00025"></a>00025 <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_curve_fitter.html" title="Abstract base class for a curve fitter.">QwtCurveFitter</a>();
<a name="l00026"></a>00026
<a name="l00033"></a>00033 <span class="keyword">virtual</span> QPolygonF fitCurve( <span class="keyword">const</span> QPolygonF &polygon ) <span class="keyword">const</span> = 0;
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <span class="keyword">protected</span>:
<a name="l00036"></a>00036 <a class="code" href="class_qwt_curve_fitter.html" title="Abstract base class for a curve fitter.">QwtCurveFitter</a>();
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="keyword">private</span>:
<a name="l00039"></a>00039 <a class="code" href="class_qwt_curve_fitter.html" title="Abstract base class for a curve fitter.">QwtCurveFitter</a>( <span class="keyword">const</span> <a class="code" href="class_qwt_curve_fitter.html" title="Abstract base class for a curve fitter.">QwtCurveFitter</a> & );
<a name="l00040"></a>00040 <a class="code" href="class_qwt_curve_fitter.html" title="Abstract base class for a curve fitter.">QwtCurveFitter</a> &operator=( <span class="keyword">const</span> <a class="code" href="class_qwt_curve_fitter.html" title="Abstract base class for a curve fitter.">QwtCurveFitter</a> & );
<a name="l00041"></a>00041 };
<a name="l00042"></a>00042
<a name="l00046"></a><a class="code" href="class_qwt_spline_curve_fitter.html">00046</a> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_spline_curve_fitter.html" title="A curve fitter using cubic splines.">QwtSplineCurveFitter</a>: <span class="keyword">public</span> <a class="code" href="class_qwt_curve_fitter.html" title="Abstract base class for a curve fitter.">QwtCurveFitter</a>
<a name="l00047"></a>00047 {
<a name="l00048"></a>00048 <span class="keyword">public</span>:
<a name="l00054"></a><a class="code" href="class_qwt_spline_curve_fitter.html#a8c5e6858f885b5691c30092a950879a8">00054</a> <span class="keyword">enum</span> <a class="code" href="class_qwt_spline_curve_fitter.html#a8c5e6858f885b5691c30092a950879a8">FitMode</a>
<a name="l00055"></a>00055 {
<a name="l00061"></a><a class="code" href="class_qwt_spline_curve_fitter.html#a8c5e6858f885b5691c30092a950879a8ae19b8325da178d410cf10b04ed5a5df6">00061</a> <a class="code" href="class_qwt_spline_curve_fitter.html#a8c5e6858f885b5691c30092a950879a8ae19b8325da178d410cf10b04ed5a5df6">Auto</a>,
<a name="l00062"></a>00062
<a name="l00064"></a><a class="code" href="class_qwt_spline_curve_fitter.html#a8c5e6858f885b5691c30092a950879a8a97f3e821b70470f056b60a883229ec13">00064</a> <a class="code" href="class_qwt_spline_curve_fitter.html#a8c5e6858f885b5691c30092a950879a8a97f3e821b70470f056b60a883229ec13" title="Use a default spline algorithm.">Spline</a>,
<a name="l00065"></a>00065
<a name="l00067"></a><a class="code" href="class_qwt_spline_curve_fitter.html#a8c5e6858f885b5691c30092a950879a8a877f71e694ae9a2e33533a3fb5065c66">00067</a> ParametricSpline
<a name="l00068"></a>00068 };
<a name="l00069"></a>00069
<a name="l00070"></a>00070 <a class="code" href="class_qwt_spline_curve_fitter.html" title="A curve fitter using cubic splines.">QwtSplineCurveFitter</a>();
<a name="l00071"></a>00071 <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_spline_curve_fitter.html" title="A curve fitter using cubic splines.">QwtSplineCurveFitter</a>();
<a name="l00072"></a>00072
<a name="l00073"></a>00073 <span class="keywordtype">void</span> setFitMode( FitMode );
<a name="l00074"></a>00074 FitMode fitMode() <span class="keyword">const</span>;
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <span class="keywordtype">void</span> setSpline( <span class="keyword">const</span> <a class="code" href="class_qwt_spline.html" title="A class for spline interpolation.">QwtSpline</a>& );
<a name="l00077"></a>00077 <span class="keyword">const</span> <a class="code" href="class_qwt_spline.html" title="A class for spline interpolation.">QwtSpline</a> &spline() <span class="keyword">const</span>;
<a name="l00078"></a>00078 <a class="code" href="class_qwt_spline.html" title="A class for spline interpolation.">QwtSpline</a> &spline();
<a name="l00079"></a>00079
<a name="l00080"></a>00080 <span class="keywordtype">void</span> setSplineSize( <span class="keywordtype">int</span> size );
<a name="l00081"></a>00081 <span class="keywordtype">int</span> splineSize() <span class="keyword">const</span>;
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="keyword">virtual</span> QPolygonF <a class="code" href="class_qwt_curve_fitter.html#afa9bf5b328aa553229e204533a60fec0">fitCurve</a>( <span class="keyword">const</span> QPolygonF & ) <span class="keyword">const</span>;
<a name="l00084"></a>00084
<a name="l00085"></a>00085 <span class="keyword">private</span>:
<a name="l00086"></a>00086 QPolygonF fitSpline( <span class="keyword">const</span> QPolygonF & ) <span class="keyword">const</span>;
<a name="l00087"></a>00087 QPolygonF fitParametric( <span class="keyword">const</span> QPolygonF & ) <span class="keyword">const</span>;
<a name="l00088"></a>00088
<a name="l00089"></a>00089 <span class="keyword">class </span>PrivateData;
<a name="l00090"></a>00090 PrivateData *d_data;
<a name="l00091"></a>00091 };
<a name="l00092"></a>00092
<a name="l00110"></a><a class="code" href="class_qwt_weeding_curve_fitter.html">00110</a> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_weeding_curve_fitter.html" title="A curve fitter implementing Douglas and Peucker algorithm.">QwtWeedingCurveFitter</a>: <span class="keyword">public</span> <a class="code" href="class_qwt_curve_fitter.html" title="Abstract base class for a curve fitter.">QwtCurveFitter</a>
<a name="l00111"></a>00111 {
<a name="l00112"></a>00112 <span class="keyword">public</span>:
<a name="l00113"></a>00113 <a class="code" href="class_qwt_weeding_curve_fitter.html" title="A curve fitter implementing Douglas and Peucker algorithm.">QwtWeedingCurveFitter</a>( <span class="keywordtype">double</span> tolerance = 1.0 );
<a name="l00114"></a>00114 <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_weeding_curve_fitter.html" title="A curve fitter implementing Douglas and Peucker algorithm.">QwtWeedingCurveFitter</a>();
<a name="l00115"></a>00115
<a name="l00116"></a>00116 <span class="keywordtype">void</span> setTolerance( <span class="keywordtype">double</span> );
<a name="l00117"></a>00117 <span class="keywordtype">double</span> tolerance() <span class="keyword">const</span>;
<a name="l00118"></a>00118
<a name="l00119"></a>00119 <span class="keyword">virtual</span> QPolygonF <a class="code" href="class_qwt_curve_fitter.html#afa9bf5b328aa553229e204533a60fec0">fitCurve</a>( <span class="keyword">const</span> QPolygonF & ) <span class="keyword">const</span>;
<a name="l00120"></a>00120
<a name="l00121"></a>00121 <span class="keyword">private</span>:
<a name="l00122"></a>00122 <span class="keyword">class </span>Line;
<a name="l00123"></a>00123
<a name="l00124"></a>00124 <span class="keyword">class </span>PrivateData;
<a name="l00125"></a>00125 PrivateData *d_data;
<a name="l00126"></a>00126 };
<a name="l00127"></a>00127
<a name="l00128"></a>00128 <span class="preprocessor">#endif</span>
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