SciDAVis  1.D4
PolynomialFit.h
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1 /***************************************************************************
2  File : PolynomialFit.h
3  Project : SciDAVis
4  --------------------------------------------------------------------
5  Copyright : (C) 2006 by Ion Vasilief, Tilman Benkert
6  Email (use @ for *) : ion_vasilief*yahoo.fr, thzs*gmx.net
7  Description : Polynomial Fit and Linear Fit classes
8 
9  ***************************************************************************/
10 
11 /***************************************************************************
12  * *
13  * This program is free software; you can redistribute it and/or modify *
14  * it under the terms of the GNU General Public License as published by *
15  * the Free Software Foundation; either version 2 of the License, or *
16  * (at your option) any later version. *
17  * *
18  * This program is distributed in the hope that it will be useful, *
19  * but WITHOUT ANY WARRANTY; without even the implied warranty of *
20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
21  * GNU General Public License for more details. *
22  * *
23  * You should have received a copy of the GNU General Public License *
24  * along with this program; if not, write to the Free Software *
25  * Foundation, Inc., 51 Franklin Street, Fifth Floor, *
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28  ***************************************************************************/
29 #ifndef POLYNOMIALFIT_H
30 #define POLYNOMIALFIT_H
31 
32 #include "Fit.h"
33 
34 class PolynomialFit : public Fit
35 {
36  Q_OBJECT
37 
38  public:
39  PolynomialFit(ApplicationWindow *parent, Graph *g, int order = 2, bool legend = false);
40  PolynomialFit(ApplicationWindow *parent, Graph *g, QString& curveTitle, int order = 2, bool legend = false);
41  PolynomialFit(ApplicationWindow *parent, Graph *g, QString& curveTitle, double start, double end, int order = 2, bool legend = false);
42 
43  virtual QString legendInfo();
44  void fit();
45 
46  static QString generateFormula(int order);
47  static QStringList generateParameterList(int order);
48 
49  private:
50  void init();
51  void calculateFitCurveData(double *par, double *X, double *Y);
52 
53  int d_order;
55 };
56 
57 class LinearFit : public Fit
58 {
59  Q_OBJECT
60 
61  public:
62  LinearFit(ApplicationWindow *parent, Graph *g);
63  LinearFit(ApplicationWindow *parent, Graph *g, const QString& curveTitle);
64  LinearFit(ApplicationWindow *parent, Graph *g, const QString& curveTitle, double start, double end);
65 
66  void fit();
67 
68  private:
69  void init();
70  void calculateFitCurveData(double *par, double *X, double *Y);
71 };
72 #endif
73