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scatterplot.cpp
00001 /*************************************************************************** 00002 scatterplot.cpp - description 00003 ------------------- 00004 begin : Sun May 11 2003 00005 copyright : (C) 2003 by Fungmeista 00006 email : mizunoami44@users.sourceforge.net 00007 ***************************************************************************/ 00008 00009 /*************************************************************************** 00010 * * 00011 * This program is free software; you can redistribute it and/or modify * 00012 * it under the terms of the GNU General Public License as published by * 00013 * the Free Software Foundation; either version 2 of the License, or * 00014 * (at your option) any later version. * 00015 * * 00016 ***************************************************************************/ 00017 00018 #include "scatterplot.h" 00019 00020 #include <qpainter.h> 00021 00022 #include "fungmath.h" 00023 #include "statinfo.h" 00024 00025 ScatterPlot::ScatterPlot(std::vector<double> & xlist, std::vector<double> & ylist, bool show, const QColor & color) : 00026 PlotModule(show,color), 00027 _xlist(xlist), 00028 _ylist(ylist) 00029 {} 00030 00031 void ScatterPlot::drawPlot( QPainter *painter, int *, StatPlotGraph *graph, double, double ) 00032 { 00033 int min = (int)StatInfo::smaller(_xlist.size(),_ylist.size()); 00034 00035 for (int i=0; i<min; i++) 00036 { 00037 painter->drawRect( 00038 toPixelXCoord(graph,_xlist[i])-SCATTERWIDTH/2, 00039 toPixelYCoord(graph,_ylist[i])-SCATTERHEIGHT/2, 00040 SCATTERWIDTH, 00041 SCATTERHEIGHT 00042 ); 00043 } 00044 } 00045 00046 void ScatterPlot::trace( double, double, double *, double * ) 00047 { 00048 qDebug("Trace not implemented"); 00049 } 00050 00051 std::string ScatterPlot::updateCoords( double, double ) 00052 { 00053 return std::string(""); 00054 } 00055 00056 void ScatterPlot::zoomStat( double *xmin, double *xmax, double *ymin, double *ymax ) 00057 { 00058 int points = (int)StatInfo::smaller(_xlist.size(),_ylist.size()); 00059 if (points == 0) return; 00060 00061 double xMin = _xlist[0]; 00062 double xMax = _xlist[0]; 00063 double yMin = _ylist[0]; 00064 double yMax = _ylist[0]; 00065 00066 for (int i=1; i<points; i++) 00067 { 00068 xMin = StatInfo::smaller(xMin,_xlist[i]); 00069 xMax = StatInfo::bigger(xMax,_xlist[i]); 00070 yMin = StatInfo::smaller(yMin,_ylist[i]); 00071 yMax = StatInfo::bigger(yMax,_ylist[i]); 00072 } 00073 00074 *xmin = xMin-1; 00075 *xmax = xMax+1; 00076 *ymin = yMin-1; 00077 *ymax = yMax+1; 00078 }