QtiPlot  0.9.8.2
Filter.h
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00001 /***************************************************************************
00002     File                 : Filter.h
00003     Project              : QtiPlot
00004     --------------------------------------------------------------------
00005     Copyright            : (C) 2007 by Ion Vasilief
00006     Email (use @ for *)  : ion_vasilief*yahoo.fr
00007     Description          : Abstract base class for data analysis operations
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 FILTER_H
00030 #define FILTER_H
00031 
00032 #include <QObject>
00033 
00034 #include <ApplicationWindow.h>
00035 
00036 class MultiLayer;
00037 class QwtPlotCurve;
00038 class Graph;
00039 class Table;
00040 class Matrix;
00041 
00043 class Filter : public QObject
00044 {
00045     Q_OBJECT
00046 
00047     public:
00048         Filter(ApplicationWindow *parent, Table *t = 0, const QString& name = QString());
00049         Filter(ApplicationWindow *parent, Graph *g = 0, const QString& name = QString());
00050         Filter(ApplicationWindow *parent, Matrix *m, const QString& name = QString());
00051         Filter(ApplicationWindow *parent, QwtPlotCurve *c);
00052         ~Filter();
00053 
00055         virtual bool run();
00056 
00057         virtual void setDataCurve(QwtPlotCurve *curve, double start, double end);
00058         bool setDataFromCurve(QwtPlotCurve *c);
00059         bool setDataFromCurve(QwtPlotCurve *c, double from, double to);
00060         bool setDataFromCurve(const QString& curveTitle, Graph *g = 0);
00061         bool setDataFromCurve(const QString& curveTitle, double from, double to, Graph *g = 0);
00062 
00063         virtual bool setDataFromTable(Table *, const QString&, const QString&, int = 1, int = -1, bool = false);
00064 
00066         void setInterval(double from, double to);
00067 
00069         void setTolerance(double eps){d_tolerance = eps;};
00070 
00072         void setColor(int colorId);
00074         void setColor(const QColor& color){d_curveColor = color;};
00076         void setColor(const QString& colorName);
00077 
00079         void setOutputPoints(int points){d_points = points;};
00080 
00082         void setOutputPrecision(int digits){d_prec = digits;};
00083 
00085         void setMaximumIterations(int iter){d_max_iterations = iter;};
00086 
00087         void setSortData(bool on = true){d_sort_data = on;}
00088 
00090         virtual void showLegend();
00091 
00093         virtual QString legendInfo(){return QString();};
00094 
00096         int dataSize(){return d_n;};
00098         double* x(){return d_x;};
00100         double* y(){return d_y;};
00102         Table *resultTable(){return d_result_table;};
00104         Graph *outputGraph(){return d_output_graph;};
00105 
00106         bool error(){return d_init_err;};
00107         void setError(bool on = true){d_init_err = on;};
00108 
00109         virtual void enableGraphicsDisplay(bool on = true, Graph *g = 0);
00110 
00111         void setUpdateOutputGraph(bool update = true) {d_update_output_graph = update;};
00112 
00113     protected:
00114         void init();
00115         void memoryErrorMessage();
00117         virtual void freeMemory();
00118 
00121         virtual int curveData(QwtPlotCurve *c, double start, double end, double **x, double **y);
00123         virtual int sortedCurveData(QwtPlotCurve *c, double start, double end, double **x, double **y);
00124 
00125         int curveRange(QwtPlotCurve *c, double start, double end, int *iStart, int *iEnd);
00126 
00128         QwtPlotCurve* addResultCurve(double *x, double *y);
00129 
00131         int curveIndex(const QString& curveTitle, Graph *g);
00132 
00134         virtual QString logInfo(){return QString();};
00135 
00137         virtual void output();
00138 
00140         virtual void calculateOutputData(double *X, double *Y) { Q_UNUSED(X) Q_UNUSED(Y) };
00141 
00142         MultiLayer* createOutputGraph();
00143 
00145         Graph *d_graph;
00146 
00148         Graph *d_output_graph;
00149 
00151         Table *d_table;
00152 
00154         Table *d_result_table;
00155 
00157         int d_n;
00158 
00160         double *d_x;
00161 
00163         double *d_y;
00164 
00166         double d_tolerance;
00167 
00169         int d_points;
00170 
00172         QColor d_curveColor;
00173 
00175         int d_max_iterations;
00176 
00178         QwtPlotCurve *d_curve;
00179 
00181         int d_prec;
00182 
00184         bool d_init_err;
00185 
00187         double d_from, d_to;
00188 
00190         bool d_sort_data;
00191 
00193         int d_min_points;
00194 
00196         QString d_explanation;
00197 
00199         bool d_graphics_display;
00200 
00202         bool d_update_output_graph;
00203 
00204         QString d_y_col_name;
00205         Matrix *d_matrix;
00206 };
00207 
00208 #endif