Making plots of kinematics

.gitlab-ci.yml

@@ -13,6 +13,7 @@ default:
         #      - datasets/.git/
   before_script:
     - git clone https://eicweb.phy.anl.gov/EIC/NPDet.git
+    - git clone https://eicweb.phy.anl.gov/EIC/detectors/topside.git
         #    - cd NPDet/build && cmake ../. -DCMAKE_INSTALL_PREFIX=/usr/local && make -j10 && make install
         #    - cd ../.. 
 
@@ -191,6 +192,16 @@ crystal_benchmark:
     - root -b -q calorimeters/simple_checking_crystal.cxx+
   allow_failure: true
 
+crystal_pion_simulation:
+  stage: simulate
+  needs:
+    - ["get_data"]
+  tags:
+    - sodium
+  script:
+    - cp topside/topside.xml ./.
+    - bash calorimeters/run_simulation_crystal_pion.sh
+
 deploy_results:
   stage: deploy
   needs:

calorimeters/makeplot_pion.C

+//////////////////////////////////////
+// Read ROOT file and plot variables
+//////////////////////////////////////
+
+int makeplot_pion(void)
+{
+  // Setting figures
+  gROOT->SetStyle("Plain");
+  gStyle->SetLineWidth(3);
+  gStyle->SetOptStat("nem");
+  gStyle->SetPadTickX(1);
+  gStyle->SetPadTickY(1);
+  gStyle->SetPadGridX(1);
+  gStyle->SetPadGridY(1);
+  gStyle->SetPadLeftMargin(0.14);
+
+  // Input ROOT file
+  TFile *f = new TFile("/home/jihee/topside/rec_crystal_pion_output.root","read");
+  TTree *t = (TTree *)f->Get("events");
+
+  // Set Branch status and addressed
+  t->SetMakeClass(1);
+  t->SetBranchStatus("*", 0);
+
+  Int_t EcalClusters_;
+  t->SetBranchStatus("EcalClusters", 1);
+  t->SetBranchAddress("EcalClusters", &EcalClusters_);
+
+  const Int_t kMaxEcalClusters = 4;
+  Double_t cluster_x_pos[kMaxEcalClusters];
+  Double_t cluster_y_pos[kMaxEcalClusters];
+  Double_t cluster_z_pos[kMaxEcalClusters];
+  Float_t cluster_energy[kMaxEcalClusters];
+  t->SetBranchStatus("EcalClusters.position.x",1);
+  t->SetBranchStatus("EcalClusters.position.y",1);
+  t->SetBranchStatus("EcalClusters.position.z",1);
+  t->SetBranchStatus("EcalClusters.energy",1);
+  t->SetBranchAddress("EcalClusters.position.x",cluster_x_pos);
+  t->SetBranchAddress("EcalClusters.position.y",cluster_y_pos);
+  t->SetBranchAddress("EcalClusters.position.z",cluster_z_pos);
+  t->SetBranchAddress("EcalClusters.energy",cluster_energy);
+
+  // Setting for Canvas
+  TCanvas *c1 = new TCanvas("c1","c1", 600, 600);
+  TCanvas *c2 = new TCanvas("c2","c2", 600, 600);
+  TCanvas *c3 = new TCanvas("c3","c3", 600, 600);
+  TCanvas *c4 = new TCanvas("c4","c4", 600, 600);
+  
+  TCanvas *c6 = new TCanvas("c6","c6", 600, 600);
+  TCanvas *c7 = new TCanvas("c7","c7", 600, 600);
+
+  TCanvas *c8 = new TCanvas("c8","c8", 600, 600);
+  TCanvas *c9 = new TCanvas("c9","c9", 600, 600);
+
+  // Declare histograms
+  TH1D *h1 = new TH1D("Scattering angle","Scattering Angle(#theta)",90,135.0,180.0);
+  TH1D *h2 = new TH1D("Pseudo-rapidity","Pseudo-rapidity(#eta)",50,-5.0,0.0);
+  TH2D *h3 = new TH2D("E vs #eta","Cluster E vs Pseudo-rapidity",100,0.0,1.0,50,-5.0,0.0);
+  TH1D *h4 = new TH1D("Reconstructed E","Reconstructed energy per event",100,0.0,1.0);
+  TH1D *h5 = new TH1D("Thrown E","Thrown energy per event",100,0.0,1.0);
+  TH2D *h6 = new TH2D("theta vs #eta","Scattering angle(#theta) vs. Pseudo-rapidity",90,135.0,180.0,50,-5.0,0.0);
+  TH1D *h7 = new TH1D("Invariant mass","Invariant mass",30,0.0,300.0);
+
+  TH1D *h8 = new TH1D("E1","E1",100,0.0,1000.0);
+  TH1D *h9 = new TH1D("E2","E2",100,0.0,1000.0);
+  TH1D *h10 = new TH1D("angle", "angle", 100,0.0,180.0);
+
+  // Total number of entries
+  Int_t nentries = t->GetEntries();
+
+  // Variables are used in calculation
+  Double_t r;                        // Radius [cm]
+  Double_t phi;                      // Azimuth [degree]
+  Double_t theta;                    // Inclination [degree]
+  Double_t eta;                      // Pseudo-rapidity [unitless]
+  Float_t  cluster_e;                // Cluster energy [GeV]
+  Float_t  total_cluster_e;          // Add up clusters per event [GeV]
+  Double_t dot_product_pos_clusters; // dot product of positions of two photons
+  Double_t mag_pos2_cluster_1;       // squared magnitude of position
+  Double_t mag_pos2_cluster_2;       // squared magnitude of position 
+  Double_t cosine_clusters;          // cos(theta_photons)
+  Double_t theta_photons;            // angle between two photons
+  Double_t invariant_mass;           // M^2 = 2 * p_1 * p_2 * (1 - cos(theta_photons))
+
+  // Loop over event by event
+  for (int ievent = 0; ievent < nentries; ievent++)
+  {
+	t->GetEntry(ievent);
+
+	Int_t ncluster = EcalClusters_;
+
+	total_cluster_e = 0.0;
+
+	// Loop over cluster by cluster
+	for (int icluster=0; icluster < ncluster; icluster++)
+	{
+		r = TMath::Sqrt((cluster_x_pos[icluster]*cluster_x_pos[icluster]) + 
+				(cluster_y_pos[icluster]*cluster_y_pos[icluster]) + 
+				(cluster_z_pos[icluster]*cluster_z_pos[icluster]));
+		phi = TMath::ATan(cluster_y_pos[icluster]/cluster_x_pos[icluster]) * TMath::RadToDeg();
+		theta = TMath::ACos(cluster_z_pos[icluster] / r) * TMath::RadToDeg();
+		eta = -1.0 * TMath::Log(TMath::Tan((theta*TMath::DegToRad())/2.0));	
+		cluster_e = cluster_energy[icluster] / 1.e+3;
+		total_cluster_e += cluster_e;
+
+		// Fill histograms
+		h1->Fill(theta, 1.0);
+		h2->Fill(eta, 1.0);
+		h3->Fill(cluster_e, eta, 1.0);
+		h6->Fill(theta, eta, 1.0);
+	}
+	if(ncluster > 0)
+		h4->Fill(total_cluster_e, 1.0);
+ 
+	// Find events with 2 clusters
+	// To calculate invariant mass
+	// M^2 = 2p1p2(1-cos(theta))
+	// p1 = E1
+	// p2 = E2
+	// theta: angle between two photons	
+	if(ncluster == 2)
+	{
+		dot_product_pos_clusters = cluster_x_pos[0]*cluster_x_pos[1] + cluster_y_pos[0]*cluster_y_pos[1];
+		mag_pos2_cluster_1 = (cluster_x_pos[0]*cluster_x_pos[0]) + (cluster_y_pos[0]*cluster_y_pos[0]);
+		mag_pos2_cluster_2 = (cluster_x_pos[1]*cluster_x_pos[1]) + (cluster_y_pos[1]*cluster_y_pos[1]);
+		cosine_clusters = (dot_product_clusters/TMath::Sqrt(mag_cluster_1*mag_cluster_2));
+		theta_photons = TMath::Acos(cosine_clusters)*TMath::RadToDeg();
+		
+		invariant_mass = TMath::Sqrt(2.0*cluster_energy[0]*cluster_energy[1]*(1.0 - cosine_clusters));
+		
+		// Fill histograms
+		h7->Fill(invariant_mass, 1.0);
+		h8->Fill(cluster_energy[0], 1.0);
+		h9->Fill(cluster_energy[1], 1.0);
+		h10->Fill(theta_photons, 1.0);
+	}
+
+  }
+
+  // Drawing and Saving figures
+  c1->cd();
+  h1->SetLineColor(kBlue);
+  h1->SetLineWidth(2);
+  h1->GetXaxis()->SetTitle("#theta [degree]");
+  h1->GetYaxis()->SetTitle("events");
+  h1->GetYaxis()->SetTitleOffset(1.4);
+  gPad->Update();
+  h1->Draw();
+  //h1->SaveAs("./plots/theta_hist.png");
+
+  c2->cd();
+  h2->SetLineColor(kBlue);
+  h2->SetLineWidth(2);
+  h2->GetXaxis()->SetTitle("#eta");
+  h2->GetYaxis()->SetTitle("events");
+  h2->GetYaxis()->SetTitleOffset(1.4);
+  h2->Draw();
+  //h2->SaveAs("./plots/eta_hist.png");
+
+  c3->cd();
+  h3->GetXaxis()->SetTitle("Cluster energy [GeV]");
+  h3->GetYaxis()->SetTitle("#eta");
+  h3->GetYaxis()->SetTitleOffset(1.4);
+  h3->Draw("COLZ");
+  //h3->SaveAs("./plots/e_vs_eta_hist.png");
+
+  c4->cd();
+  c4->SetLogy(1);
+  h4->SetLineColor(kBlue);
+  h4->SetLineWidth(2);
+  h4->GetXaxis()->SetTitle("reconstructed energy [GeV]");
+  h4->GetYaxis()->SetTitle("events");
+  h4->GetYaxis()->SetTitleOffset(1.4);
+  h4->Draw();
+  //h4->SaveAs("./plots/recon_e_hist.png");
+
+  c6->cd();
+  h6->GetXaxis()->SetTitle("#theta [degree]");
+  h6->GetYaxis()->SetTitle("#eta");
+  h6->GetYaxis()->SetTitleOffset(1.4);
+  h6->Draw("COLZ");
+  //h6->SaveAs("./plots/theta_vs_eta_hist.png");
+
+  c7->cd();
+  h7->SetLineColor(kBlue);
+  h7->SetLineWidth(2);
+  h7->GetXaxis()->SetTitle("Invariant mass [MeV]");
+  h7->GetYaxis()->SetTitle("events");
+  h7->GetYaxis()->SetTitleOffset(1.4);
+  h7->Draw();
+
+  c8->cd();
+  h8->SetLineColor(kBlue);
+  h8->SetLineWidth(2);
+  h8->GetXaxis()->SetTitle("Cluster energy 1 [MeV]");
+  h8->GetYaxis()->SetTitle("events");
+  h8->GetYaxis()->SetTitleOffset(1.4);
+  h8->Draw();
+
+  c9->cd();
+  h9->SetLineColor(kBlue);
+  h9->SetLineWidth(2);
+  h9->GetXaxis()->SetTitle("Cluster energy 2 [MeV]");
+  h9->GetYaxis()->SetTitle("events");
+  h9->GetYaxis()->SetTitleOffset(1.4);
+  h9->Draw();
+
+  c10->cd();
+  h10->SetLineColor(kBlue);
+  h10->SetLineWidth(2);
+  h10->GetXaxis()->SetTitle("angle between two photons [degree]");
+  h10->GetYaxis()->SetTitle("events");
+  h10->GetYaxis()->SetTitleOffset(1.4);
+  h10->Draw();
+
+  return 0;
+}

calorimeters/run_simulation_crystal_pion.sh

+#!/bin/bash
+
+npsim --runType batch --numberOfEvents 10000 \
+      --compactFile ./calorimeters/topside.xml \
+      --inputFiles  ./data/emcal_pions_upto1GeV_10kevents.hepmc \
+      --outputFile  ./sim_output/sim_crystal_pion_input.root