/// \file /// \ingroup tutorial_hist /// \notebook /// Example showing how to combine the various candle plot options. /// /// \macro_image /// \macro_code /// /// \author Georg Troska void candlehisto() { TCanvas *c1 = new TCanvas("c1", "Candle Presets", 800, 600); c1->Divide(3, 2); TRandom *rng = new TRandom(); TH2I *h1 = new TH2I("h1", "Sin", 18, 0, 360, 100, -1.5, 1.5); h1->GetXaxis()->SetTitle("Deg"); float myRand; for (int i = 0; i < 360; i+= 10) { for (int j = 0; j < 100; j++) { myRand = rng->Gaus(sin(i * 3.14 / 180), 0.2); h1->Fill(i, myRand); } } for (int i = 1; i < 7; i++) { c1->cd(i); TString title = TString::Format("CANDLEX%d", i); TH2I *myhist = (TH2I*)h1->DrawCopy(title); myhist->SetTitle(title); } TCanvas *c2 = new TCanvas("c2", "Violin Presets", 800, 300); c2->Divide(2, 1); for (int i = 1; i < 3; i++) { c2->cd(i); TString title = TString::Format("VIOLINX%d", i); TH2I *myhist = (TH2I*)h1->DrawCopy(title); myhist->SetFillColor(kGray + 2); } TCanvas *c3 = new TCanvas("c3", "Playing with candle and violin-options", 800, 600); c3->Divide(3, 2); TString myopt[6] = {"1000000", "2000000", "3000000", "1112111", "112111", "112111"}; for (int i = 0; i < 6; i++) { c3->cd(i + 1); TString title = TString::Format("candlex(%s)", myopt[i].Data()); TH2I *myhist = (TH2I*)h1->DrawCopy(title); myhist->SetFillColor(kYellow); if (i == 4) { TH2I *myhist2 = (TH2I*)h1->DrawCopy("candlex(1000000) same"); myhist2->SetFillColor(kRed); } if (i == 5) { myhist->SetBarWidth(0.2); myhist->SetBarOffset(0.25); TH2I *myhist2 = (TH2I*)h1->DrawCopy("candlex(2000000) same"); myhist2->SetFillColor(kRed); myhist2->SetBarWidth(0.6); myhist2->SetBarOffset(-0.5); } myhist->SetTitle(title); } }