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hXYPerEvt.C
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void hXYPerEvt() {
gROOT->Reset();
gStyle->SetOptStat(0);
gStyle->SetOptFit(111);
gStyle->SetPalette(1);
gStyle->SetOptDate(0);
gStyle->SetCanvasColor(kWhite);
gStyle->SetFrameFillStyle(1001);
gStyle->SetFrameFillColor(kWhite);
gStyle->SetPadBorderMode(0);
gStyle->SetPadColor(kWhite);
gStyle->SetStatColor(kWhite);
gStyle->SetPadTickX(1);
gStyle->SetPadTickY(1);
// gStyle->SetLabelSize(.05,"X");
// gStyle->SetLabelSize(.05,"Y");
gStyle->SetLabelColor(1,"X");
gStyle->SetLabelColor(1,"Y");
TFile *ff = new TFile("../../output/DB_5GeV_Theta5_Phi45.root");
TH2D *hNEvtvsP = (TH2D*) ff->Get("hNEvtvsP");
TH2D *hPiXY = (TH2D*) ff->Get("hPiXY");
TH2D *hKaonXY = (TH2D*) ff->Get("hKaonXY");
TH2D *hProtonXY = (TH2D*) ff->Get("hProtonXY");
int NEvtPiBin = hNEvtvsP->FindBin(0,5.);
int NEvtKaonBin = hNEvtvsP->FindBin(1,5.);
int NEvtProtonBin = hNEvtvsP->FindBin(2,5.);
int NEvtPi = hNEvtvsP->GetBinContent(NEvtPiBin);
int NEvtKaon = hNEvtvsP->GetBinContent(NEvtKaonBin);
int NEvtProton = hNEvtvsP->GetBinContent(NEvtProtonBin);
hPiXY->Sumw2();
hKaonXY->Sumw2();
hProtonXY->Sumw2();
hPiXY->Scale(1./NEvtPi);
hKaonXY->Scale(1./NEvtKaon);
hProtonXY->Scale(1./NEvtProton);
TCanvas *c1 = new TCanvas("c1","c1",700,700);
c1->Divide(2,2);
c1->cd(1);
gPad->SetTopMargin(0.12);
gPad->SetBottomMargin(0.12);
gPad->SetLeftMargin(0.12);
gPad->SetRightMargin(0.12);
TLegend *leg = new TLegend(0.05,0.35,0.8,0.75);
leg->SetTextSize(0.04);
leg->SetLineColor(4);
leg->SetLineStyle(1);
leg->SetLineWidth(1);
leg->SetFillColor(0);
leg->SetMargin(0.1);
leg->SetFillStyle(0);
leg->SetTextAlign(12);
leg->SetBorderSize(0);
leg->AddEntry(hPiXY," photonsensor: 44 mm x 44 mm ","");
leg->AddEntry(hPiXY,"photonsensor segmentation: 1 mm x 1 mm","");
leg->Draw();
c1->cd(2);
gPad->SetTopMargin(0.13);
gPad->SetBottomMargin(0.13);
gPad->SetLeftMargin(0.13);
gPad->SetRightMargin(0.13);
hPiXY->GetXaxis()->SetTitle("X (mm)");
hPiXY->GetYaxis()->SetTitle("Y (mm)");
hPiXY->GetZaxis()->SetTitle("n_{e^{-}} per event");
hPiXY->GetZaxis()->SetRangeUser(0.,0.05);
hPiXY->GetYaxis()->SetTitleColor(kBlack);
hPiXY->GetZaxis()->SetTitleSize(0.04);
hPiXY->GetYaxis()->SetTitleSize(0.04);
hPiXY->GetXaxis()->SetTitleSize(0.035);
hPiXY->GetZaxis()->SetTitleOffset(1.7);
hPiXY->GetYaxis()->SetTitleOffset(1.7);
hPiXY->GetXaxis()->SetTitleOffset(1.7);
hPiXY->SetTitle();
hPiXY->Draw("surf");
TLegend *leg = new TLegend(0.07,0.92,0.88,1.0);
leg->SetTextSize(0.04);
leg->SetLineColor(4);
leg->SetLineStyle(1);
leg->SetLineWidth(1);
leg->SetFillColor(0);
leg->SetMargin(0.1);
leg->SetFillStyle(0);
leg->SetTextAlign(12);
leg->SetBorderSize(0);
leg->AddEntry(hPiXY,"5 GeV Pion, shoot angle: #theta=5^{o}, #phi=45^{o}","");
leg->Draw();
c1->cd(3);
gPad->SetTopMargin(0.13);
gPad->SetBottomMargin(0.13);
gPad->SetLeftMargin(0.13);
gPad->SetRightMargin(0.13);
hKaonXY->GetXaxis()->SetTitle("X (mm)");
hKaonXY->GetYaxis()->SetTitle("Y (mm)");
hKaonXY->GetZaxis()->SetTitle("n_{e^{-}} per event");
hKaonXY->GetYaxis()->SetTitleColor(kBlack);
hKaonXY->GetZaxis()->SetTitleSize(0.04);
hKaonXY->GetYaxis()->SetTitleSize(0.04);
hKaonXY->GetXaxis()->SetTitleSize(0.035);
hKaonXY->GetZaxis()->SetRangeUser(0.,0.05);
hKaonXY->GetZaxis()->SetTitleOffset(1.7);
hKaonXY->GetYaxis()->SetTitleOffset(1.7);
hKaonXY->GetXaxis()->SetTitleOffset(1.7);
hKaonXY->SetTitle();
hKaonXY->Draw("surf");
TLegend *leg = new TLegend(0.07,0.92,0.88,1.0);
leg->SetTextSize(0.04);
leg->SetLineColor(4);
leg->SetLineStyle(1);
leg->SetLineWidth(1);
leg->SetFillColor(0);
leg->SetMargin(0.1);
leg->SetFillStyle(0);
leg->SetTextAlign(12);
leg->SetBorderSize(0);
leg->AddEntry(hKaonXY,"5 GeV Kaon, shoot angle: #theta=5^{o}, #phi=45^{o}","");
leg->Draw();
c1->cd(4);
gPad->SetTopMargin(0.13);
gPad->SetBottomMargin(0.13);
gPad->SetLeftMargin(0.13);
gPad->SetRightMargin(0.13);
hProtonXY->GetXaxis()->SetTitle("X (mm)");
hProtonXY->GetYaxis()->SetTitle("Y (mm)");
hProtonXY->GetZaxis()->SetTitle("n_{e^{-}} per event");
hProtonXY->GetYaxis()->SetTitleColor(kBlack);
hProtonXY->GetZaxis()->SetTitleSize(0.04);
hProtonXY->GetYaxis()->SetTitleSize(0.04);
hProtonXY->GetXaxis()->SetTitleSize(0.035);
hProtonXY->GetZaxis()->SetRangeUser(0.,0.05);
hProtonXY->GetZaxis()->SetTitleOffset(1.7);
hProtonXY->GetYaxis()->SetTitleOffset(1.7);
hProtonXY->GetXaxis()->SetTitleOffset(1.7);
hProtonXY->SetTitle();
hProtonXY->Draw("surf");
TLegend *leg = new TLegend(0.07,0.92,0.88,1.0);
leg->SetTextSize(0.04);
leg->SetLineColor(4);
leg->SetLineStyle(1);
leg->SetLineWidth(1);
leg->SetFillColor(0);
leg->SetMargin(0.1);
leg->SetFillStyle(0);
leg->SetTextAlign(12);
leg->SetBorderSize(0);
leg->AddEntry(hProtonXY,"5 GeV Proton, shoot angle: #theta=5^{o}, #phi=45^{o}","");
leg->Draw();
c1->cd();
c1->SaveAs("figs/XY2DBin.pdf");
}