<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>Qwt User's Guide: qwt_curve_fitter.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.7.3 --> <div id="top"> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">Qwt User's Guide <span id="projectnumber">6.0.1</span></div> </td> </tr> </tbody> </table> </div> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="annotated.html"><span>Classes</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="files.html"><span>File List</span></a></li> </ul> </div> <div class="header"> <div class="headertitle"> <h1>qwt_curve_fitter.h</h1> </div> </div> <div class="contents"> <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> </pre></div></div> </div> <hr class="footer"/><address class="footer"><small>Generated by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.3 </small></address> </body> </html>