#include #include using namespace Upp; #define IMAGECLASS Symbol #define IMAGEFILE #include // If you wish, you can define virtualy anything as symbol, just use the WithPlotSymbol // template, which will setup almost everything for you and override the PaintOp method class Bug: public WithPlotSymbol{ public: virtual void PaintOp(Painter& sw)const{ sw.Rectangle(0,0,s.cx,s.cy).Fill(Symbol::bug(),0,0,s.cx,0); } Bug(){s=Sizef(11,11);}; }; CONSOLE_APP_MAIN { Plot plot; // Register your PlotSymbol. This is not mandatory, // it only makes the symbol appear in PlotStyleDlg PlotSymbol::Register("Ladybug"); // You can create your data directly in plot ... plot.data.Add(); plot.data[0].SetColor(LtRed()).SetTitle("Butterfly Curve"); for(double t = -12*M_PI; t <= 12*M_PI; t+=0.02){ double r=(exp(cos(t))-2*cos(4*t)+pow(sin(t/12),5)); plot.data[0].AddXY(r*sin(t),r*cos(t)); } // ... or take your data from elsewhere and copy them in plot. Supported types are // Vector, VectorMap, and Vector of reasonable formats (i.e. convertable // to double) + the same containers in Array flavor VectorMap v; for(double x = -4; x <= 4; x+=0.05){ v.Add(x,4*exp(-0.25*x*x)*sin(10*x)); } plot.data.Add(v); plot.data[1].SetDash("1.5").SetTitle("4*exp(-x^2/4)*sin(10*x)").SetThickness(1.5) .SetSymbol("Cross",Size(9,9),Black()); v.Clear(); // random Ladybugs! :-) PlotData dataset; for(double x = -4; x <= 4; x+=0.5){ dataset.AddXY(x,int(Random(7))-3); } plot.data.Add(dataset); plot.data[2].SetColor(Green()).SetTitle("Totally random") .SetThickness(2).SetSymbol("Ladybug"); // Plot can be setup any time before painting plot.SetMode(PLOT_AA).SetLimits(-4.0,4.0,-4.0,4.0).SetPlotSize(640,480); // When it's all prepared, just call GetImage to get the plot and use the returned image // in whatever way you want, e.g. save it into PNG file: PNGEncoder().SaveFile(GetHomeDirFile("plot.png"), plot.GetImage()); // If you want a legend, just create one ;-) It is a separate picture, // if you want it combined with the plot, it's up to you... PNGEncoder().SaveFile(GetHomeDirFile("legend.png"), Legend(plot).SetBackground(White()).GetLegend()); }