QtiPlot
0.9.8.2
|
00001 /*************************************************************************** 00002 File : Interpolation.h 00003 Project : QtiPlot 00004 -------------------------------------------------------------------- 00005 Copyright : (C) 2007 by Ion Vasilief 00006 Email (use @ for *) : ion_vasilief*yahoo.fr 00007 Description : Numerical interpolation of data sets 00008 00009 ***************************************************************************/ 00010 00011 /*************************************************************************** 00012 * * 00013 * This program is free software; you can redistribute it and/or modify * 00014 * it under the terms of the GNU General Public License as published by * 00015 * the Free Software Foundation; either version 2 of the License, or * 00016 * (at your option) any later version. * 00017 * * 00018 * This program is distributed in the hope that it will be useful, * 00019 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00020 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00021 * GNU General Public License for more details. * 00022 * * 00023 * You should have received a copy of the GNU General Public License * 00024 * along with this program; if not, write to the Free Software * 00025 * Foundation, Inc., 51 Franklin Street, Fifth Floor, * 00026 * Boston, MA 02110-1301 USA * 00027 * * 00028 ***************************************************************************/ 00029 #ifndef INTERPOLATION_H 00030 #define INTERPOLATION_H 00031 00032 #include "Filter.h" 00033 00034 class QwtPlotCurve; 00035 class Interpolation : public Filter 00036 { 00037 Q_OBJECT 00038 00039 public: 00040 enum InterpolationMethod{Linear, Cubic, Akima}; 00041 00042 Interpolation(ApplicationWindow *parent, QwtPlotCurve *c, int m = 0); 00043 Interpolation(ApplicationWindow *parent, QwtPlotCurve *c, double start, double end, int m = 0); 00044 Interpolation(ApplicationWindow *parent, Graph *g, const QString& curveTitle, int m = 0); 00045 Interpolation(ApplicationWindow *parent, Graph *g, const QString& curveTitle, double start, double end, int m = 0); 00046 Interpolation(ApplicationWindow *parent, Table *t, const QString& xCol, const QString& yCol, int start = 0, int end = -1, int m = 0); 00047 00048 int method(){return d_method;}; 00049 void setMethod(int m); 00050 00051 private: 00052 void init(int m); 00053 void calculateOutputData(double *x, double *y); 00054 int sortedCurveData(QwtPlotCurve *c, double start, double end, double **x, double **y); 00055 00057 int d_method; 00058 }; 00059 00060 #endif