plot_correlation.C

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{
  gStyle->SetOptTitle(0);
  gStyle->SetFillColor(0);
  gStyle->SetTitleOffset(.85,"X");gStyle->SetTitleOffset(.85,"Y");
  gStyle->SetTitleSize(.05,"X");gStyle->SetTitleSize(.05,"Y");
  gStyle->SetLabelSize(.05,"X");gStyle->SetLabelSize(.05,"Y");
  gStyle->SetHistFillColor(0);
  gStyle->SetHistLineWidth(2);
  TFile *inFile = TFile::Open("pidcorrelator.root");

  TCanvas* c1 = new TCanvas("LHETRACK Correlation - Barrel", "LHETRACK Correlation - Barrel", 100, 100, 1200, 800);
  TCanvas* c2 = new TCanvas("LHETRACK Correlation - Forward Endcap", "LHETRACK Correlation - Forward Endcap", 100, 100, 1200, 800);
  c1.Divide(4,3);
  c1.cd(1);
  emcCorr->Draw("track_z-emc_z>>emcz(100,-20,20)","emc_mod<3");
  emcz->GetXaxis()->SetTitle("Z_{LHE} - Z_{EMC} [cm]");
  emcz->SetLineWidth(2);
  c1.cd(2);
  TH1F *tofz = new TH1F("tofz","tofz",100,-20,20);
  tofCorr->Draw("track_z-tof_z>>tofz","","");
  tofz->GetXaxis()->SetTitle("Z_{LHE} - Z_{TOF} [cm]");
  tofz->SetLineWidth(2);
  c1.cd(3);
  TH1F *mdtz = new TH1F("mdtz","mdtz",100,-100,100);
  mdtCorr->Draw("track_z-mdt_z>>mdtz","mdt_mod==1");
  mdtz->GetXaxis()->SetTitle("Z_{LHE} - Z_{MDT} [cm]"); 
  mdtz->SetLineWidth(2);
  c1.cd(5);
  emcCorr->Draw("dphi*TMath::RadToDeg()>>emcphi(100,-10,10)","emc_mod<3");
  emcphi->GetXaxis()->SetTitle("#phi_{LHE} - #phi_{EMC} [°]");
  emcphi->SetLineWidth(2);
  c1.cd(6);
  TH1F *tofphi = new TH1F("tofphi","tofphi",100,-10,10);
  tofCorr->Draw("dphi*TMath::RadToDeg()>>tofphi","");
  tofphi->GetXaxis()->SetTitle("#phi_{LHE} - #phi_{TOF} [^{0}]");
  tofphi->SetLineWidth(2);
  c1.cd(7);
  TH1F *mdtphi = new TH1F("mdtphi","mdtphi",100,-50,50);
  mdtCorr->Draw("dphi*TMath::RadToDeg()>>mdtphi","mdt_mod==1");
  mdtphi->GetXaxis()->SetTitle("#phi_{LHE} - #phi_{MDT} [°]");
  mdtphi->SetLineWidth(2);
  c1.cd(8);
  drcCorr->Draw("dphi*TMath::RadToDeg()>>drcphi(100,-10,10)","");
  drcphi->GetXaxis()->SetTitle("#phi_{LHE} - #phi_{DRC} [°]");
  drcphi->SetLineWidth(2);
  c1.cd(9);
  emcCorr->Draw("chi2>>emcq(100,-1,20)","emc_mod<3");
  emcq->GetXaxis()->SetTitle("EMC Quality [cm^{2}]");
  emcq->SetLineWidth(2);
  c1.cd(10);
  TH1F *tofq = new TH1F("tofq","tofq",100,-1,20);
  tofCorr->Draw("chi2>>tofq","","");
  tofq->GetXaxis()->SetTitle("TOF Quality [cm^{2}]");
  tofq->SetLineWidth(2);
  c1.cd(11);
  TH1F *mdtq = new TH1F("mdtq","mdtq",100,-1,1000);
  mdtCorr->Draw("chi2>>mdtq","mdt_mod==1","");
  mdtq->GetXaxis()->SetTitle("MDT Quality [cm^{2}]");
  mdtq->SetLineWidth(2);
  c1.cd(12);
  drcCorr->Draw("chi2>>drcq(100,0,0.01)","","");
  drcq->GetXaxis()->SetTitle("DIRC Quality [°^{2}]");
  drcq->SetLineWidth(2);
 
  c2.Divide(2,3);
  c2.cd(1);
  emcCorr->Draw("track_x-emc_x>>emcx(100,-20,20)","emc_mod>2");
  emcx->GetXaxis()->SetTitle("X_{LHE} - X_{EMC} [cm]");
  emcx->SetLineWidth(2);
  c2.cd(2);
  TH1F *mdtx = new TH1F("mdtx","mdtx",100,-100,100);
  mdtCorr->Draw("track_x-mdt_x>>mdtx","mdt_mod>1");
  mdtx->GetXaxis()->SetTitle("X_{LHE} - X_{MDT} [cm]"); 
  mdtx->SetLineWidth(2);
  c2.cd(3);
  emcCorr->Draw("track_y-emc_y>>emcy(100,-20,20)","emc_mod>2");
  emcy->GetXaxis()->SetTitle("Y_{LHE} - Y_{EMC} [cm]");
  emcy->SetLineWidth(2);
  c2.cd(4);
  TH1F *mdty = new TH1F("mdty","mdty",100,-100,100);
  mdtCorr->Draw("track_y-mdt_y>>mdty","mdt_mod>1");
  mdty->GetXaxis()->SetTitle("Y_{LHE} - Y_{MDT} [cm]"); 
  mdty->SetLineWidth(2);
  c2.cd(5);
  emcCorr->Draw("chi2>>emcq2(100,-1,20)","emc_mod>2");
  emcq2->GetXaxis()->SetTitle("EMC Quality [cm^{2}]");
  emcq2->SetLineWidth(2);
  c2.cd(6);
  TH1F *mdtq2 = new TH1F("mdtq2","mdtq2",100,-1,1000);
  mdtCorr->Draw("chi2>>mdtq2","mdt_mod>1","");
  mdtq2->GetXaxis()->SetTitle("MDT Quality [cm^{2}]");
  mdtq2->SetLineWidth(2);
  c1.cd();

}