632 lines
23 KiB
C++
632 lines
23 KiB
C++
#include "TRandom.h" // ROOT random number generators, gRandom
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#include "TFile.h" // ROOT file I/O
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#include "TTree.h" // ROOT tree storage
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#include "TH1.h" // 1D histograms
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#include "TH2.h" // 2D histograms
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#include "TStyle.h" // ROOT plotting style controls
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#include "TCanvas.h" // ROOT canvas drawing
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#include "TBenchmark.h" // timing measurement
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#include "TGraph.h" // for energy loss interpolation
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#include <cstring>
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#include "TApplication.h" // ROOT app loop
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#include "ClassTransfer.h" // Reaction kinematics and MC event generation
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#include "ClassAnasen.h" // ANASEN detector model classes (SX3, PW, etc.)
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#include <stdio.h>
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#include <stdlib.h>
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#include <set>
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#include "TLegend.h"
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#include "TH1D.h"
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#include "TObjArray.h"
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#include "TBranch.h"
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#include <iostream>
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#include <fstream>
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//======== Generate light particle based on reaction
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// calculate real and reconstructed tracks and Q-value uncertainty
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// Function to load energy loss table from file
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TGraph* LoadELoss(const char* filename) {
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TGraph* g = new TGraph(filename, "%lg %lg");
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return g;
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}
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bool IsDeadAnode(int id){
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static std::set<int> dead = {}; // add dead anode IDs here, 0-23
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return dead.count(id);
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}
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bool IsDeadCathode(int id){
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static std::set<int> dead = {}; // add dead cathode IDs here, 0-23
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return dead.count(id);
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}
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bool IsDeadSX3(int id){
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static std::set<int> dead = {}; // add dead SX3 IDs here, 0-23 1,7,9,3
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return dead.count(id);
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}
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// Simulate sequential two-body decay of an unstable parent in its rest frame.
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// The parent is boosted from the lab frame, the daughter (A1,Z1) is returned in lab frame,
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// and the emitted ejectile (A2,Z2) is written to ejectileOut.
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TLorentzVector SimulateSequentialDecay(const TLorentzVector &parent,
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int daughterA, int daughterZ,
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int ejectA, int ejectZ,
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TLorentzVector &ejectileOut){
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Isotope daughter(daughterA, daughterZ);
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Isotope ejectile(ejectA, ejectZ);
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double M = parent.M();
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double mD = daughter.Mass;
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double mE = ejectile.Mass;
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double sqM = M * M;
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double sum = mD + mE;
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double diff = mD - mE;
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double p2 = (sqM - sum*sum) * (sqM - diff*diff) / (4.0 * sqM);
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if( p2 < 0 ) p2 = 0;
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double p = TMath::Sqrt(p2);
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double cosTheta = 2.0 * gRandom->Rndm() - 1.0;
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double theta = TMath::ACos(cosTheta);
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double phi = gRandom->Rndm() * TMath::TwoPi();
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TVector3 v;
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v.SetMagThetaPhi(p, theta, phi);
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TLorentzVector daughterLab;
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daughterLab.SetVectM(v, mD);
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TLorentzVector ejectileLab;
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ejectileLab.SetVectM(-v, mE);
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TVector3 boost = parent.BoostVector();
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daughterLab.Boost(boost);
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ejectileLab.Boost(boost);
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ejectileOut = ejectileLab;
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return daughterLab;
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}
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int main(int argc, char **argv){
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printf("=========================================\n");
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printf("=== ANASEN Monte Carlo ===\n");
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printf("=========================================\n");
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// number of events can be overridden from command line
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int numEvent = 1000000;
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if( argc >= 2 ) numEvent = atoi(argv[1]);
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// Reaction setup for 18Ne + 4He -> p + 21Na*.
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// The heavy product 21Na* is then decayed to 20Ne + p in the simulation.
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TransferReaction transfer;
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transfer.SetA(18, 10, 0); // 18Ne
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transfer.SetIncidentEnergyAngle(4.4, 0, 0); // KEA in MeV/u, theta and phi in degree
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transfer.Seta(4, 2); // 4He target
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transfer.Setb(1, 1); // outgoing proton from the primary transfer
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transfer.SetB(21, 11); // 21Na* heavy product
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bool enableSequentialDecay = true;
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const int decayDaughterA = 20;
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const int decayDaughterZ = 10;
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const int decayEjectA = 1;
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const int decayEjectZ = 1;
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// Excited state lists (projectile and heavy-product excitation states)
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std::vector<float> ExAList = {0}; // 18Ne projectile excitations in MeV
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std::vector<float> ExList = {2.5}; // 21Na* excitation in MeV (above proton separation threshold)
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// define vertex position uniform distribution ranges (mm)
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double vertexXRange[2] = { -5, 5}; // mm
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double vertexYRange[2] = { -5, 5};
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double vertexZRange[2] = { -100, 100};
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// detector resolution / uncertainty parameters
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double sigmaSX3_W = -1; // mm, if < 0 use mid-point (no spread in SX3 horizontal dimension)
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double sigmaSX3_L = 3; // mm, vertical spread for SX3
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double sigmaPW_A = 0; // normalized anode uncertainty term (0-1)
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double sigmaPW_C = 0; // normalized cathode uncertainty term (0-1)
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// status printout
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printf("------------ Vertex :\n");
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printf("X : %7.2f - %7.2f mm\n", vertexXRange[0], vertexXRange[1]);
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printf("Y : %7.2f - %7.2f mm\n", vertexYRange[0], vertexYRange[1]);
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printf("Z : %7.2f - %7.2f mm\n", vertexZRange[0], vertexZRange[1]);
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printf("------------ Uncertainty :\n");
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printf(" SX3 horizontal : %.1f\n", sigmaSX3_W);
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printf(" SX3 vertical : %.1f\n", sigmaSX3_L);
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printf(" Anode : %.1f mm\n", sigmaPW_A);
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printf(" Cathode : %.1f mm\n", sigmaPW_C);
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printf(" num_eve : %d \n",numEvent);
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// calculates energy/momentum/kinematics constants for transfer reaction
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transfer.CalReactionConstant();
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printf("Primary reaction: %s at %.2f MeV/u\n", transfer.GetReactionName().Data(), 4.4);
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printf("Sequential decay enabled: %s\n", enableSequentialDecay ? "yes" : "no");
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int nExA = ExAList.size();
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int nEx = ExList.size();
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// optional visualization control: pass "vis" as 3rd arg
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bool enableVis = (argc >= 3 && strcmp(argv[2], "vis") == 0);
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TApplication *app = nullptr;
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if(enableVis){
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app = new TApplication("anasenVis", &argc, argv);
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}
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// storage for tracks during simulation (for visualization)
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std::vector<TVector3> visTrackVertex, visTrackDir, visTrackHitPos;
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std::vector<std::pair<int,int>> visTrackWires; // {anodeID, cathodeID}
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// create detector representation in memory
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ANASEN * anasen = new ANASEN(); // top-level detector object
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SX3 * sx3 = anasen->GetSX3(); // silicon array part
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PW * pw = anasen->GetPW(); // proportional wire chamber part
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// output file + trees
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TString saveFileName = "SimAnasen1.root";
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printf("\e[32m#################################### building Tree in %s\e[0m\n", saveFileName.Data());
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TFile * saveFile = new TFile(saveFileName, "recreate");
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TTree * tree1 = new TTree("tree1", "tree1");
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TTree * tree2 = new TTree("tree2", "tree2");
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// beam and CM variables saved in tree
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double KEA;
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double KEA2;
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tree1->Branch("beamKEA", &KEA, "beamKEA/D");
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tree2->Branch("beamKEA", &KEA2, "beamKEA/D");
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double thetaCM, phiCM;
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double thetaCM2, phiCM2;
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tree1->Branch("thetaCM", &thetaCM, "thetaCM/D");
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tree1->Branch("phiCM", &phiCM, "phiCM/D");
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tree2->Branch("thetaCM", &thetaCM2, "thetaCM/D");
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tree2->Branch("phiCM", &phiCM2, "phiCM/D");
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// outgoing particles in lab frame (light/heavy)
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double thetab, phib;
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double Tb;
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double thetaB, phiB, TB;
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std::array<double, 2> T;
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tree1->Branch("thetab", &thetab, "thetab/D"); // polar angle of light particle in lab frame
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tree1->Branch("phib", &phib, "phib/D"); // azimuthal angle of light particle in lab frame
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tree1->Branch("Tb", &Tb, "Tb/D"); // kinetic energy of light particle at vertex (before energy loss)
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tree1->Branch("thetaB", &thetaB, "thetaB/D");
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tree1->Branch("phiB", &phiB, "phiB/D");
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tree1->Branch("TB", &TB, "TB/D"); // kinetic energy of heavy particle at vertex
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tree1->Branch("T", &T, "T/D"); // placeholder for true Q-value, currently set to 0 for simplicity
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double thetab2, phib2;
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double Tb2;
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double thetaB2, phiB2, TB2;
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std::array<double, 2> T2;
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tree2->Branch("thetab", &thetab2, "thetab/D");
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tree2->Branch("phib", &phib2, "phib/D");
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tree2->Branch("Tb", &Tb2, "Tb/D");
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tree2->Branch("thetaB", &thetaB2, "thetaB/D");
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tree2->Branch("phiB", &phiB2, "phiB/D");
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tree2->Branch("TB", &TB2, "TB/D");
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tree2->Branch("T", &T2, "T/D");
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// excitation state identifiers
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int ExAID;
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double ExA;
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tree1->Branch("ExAID", &ExAID, "ExAID/I"); // projectile excitation state ID
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tree1->Branch("ExA", &ExA, "ExA/D"); // projectile excitation energy in MeV
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int ExAID2;
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double ExA2;
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tree2->Branch("ExAID", &ExAID2, "ExAID/I");
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tree2->Branch("ExA", &ExA2, "ExA/D");
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int ExID;
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double Ex;
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tree1->Branch("ExID", &ExID, "ExID/I"); // target excitation state ID
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tree1->Branch("Ex", &Ex, "Ex/D"); // target excitation energy in MeV
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int ExID2;
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double Ex2;
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tree2->Branch("ExID", &ExID2, "ExID/I");
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tree2->Branch("Ex", &Ex2, "Ex/D");
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// true vertex position in target volume
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double vertexX, vertexY, vertexZ;
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tree1->Branch("vX", &vertexX, "VertexX/D"); // true vertex X position in mm
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tree1->Branch("vY", &vertexY, "VertexY/D"); // true vertex Y position in mm
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tree1->Branch("vZ", &vertexZ, "VertexZ/D"); // true vertex Z position in mm
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double vertexX2, vertexY2, vertexZ2;
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tree2->Branch("vX", &vertexX2, "VertexX/D");
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tree2->Branch("vY", &vertexY2, "VertexY/D");
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tree2->Branch("vZ", &vertexZ2, "VertexZ/D");
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// reconstructed SX3 hit position
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double sx3X, sx3Y, sx3Z;
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tree1->Branch("sx3X", &sx3X, "sx3X/D"); // reconstructed X position from SX3 (with optional smearing)
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tree1->Branch("sx3Y", &sx3Y, "sx3Y/D"); // reconstructed Y position from SX3 (with optional smearing)
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tree1->Branch("sx3Z", &sx3Z, "sx3Z/D"); // reconstructed Z position from SX3 (with optional smearing)
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double sx3X2, sx3Y2, sx3Z2;
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tree2->Branch("sx3X", &sx3X2, "sx3X/D");
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tree2->Branch("sx3Y", &sx3Y2, "sx3Y/D");
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tree2->Branch("sx3Z", &sx3Z2, "sx3Z/D");
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// PW nearest and next nearest wires
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int anodeID[2], cathodeID[2];
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int anodeID2[2], cathodeID2[2];
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tree1->Branch("aID", anodeID, "anodeID/I"); // anodeID[0] is nearest anode wire, anodeID[1] is next nearest anode wire
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tree1->Branch("cID", cathodeID, "cathodeID/I"); // cathodeID[0] is nearest cathode wire, cathodeID[1] is next nearest cathode wire
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tree2->Branch("aID", anodeID2, "anodeID/I");
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tree2->Branch("cID", cathodeID2, "cathodeID/I");
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// distances to nearest wires
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double anodeDist[2], cathodeDist[2];
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double anodeDist2[2], cathodeDist2[2];
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tree1->Branch("aDist", anodeDist, "anodeDist/D");
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tree1->Branch("cDist", cathodeDist, "cathodeDist/D");
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tree2->Branch("aDist", anodeDist2, "anodeDist/D");
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tree2->Branch("cDist", cathodeDist2, "cathodeDist/D");
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// SX3 channel assignment and Z fraction (depth) information
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int sx3ID, sx3Up, sx3Dn, sx3Bk;
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double sx3ZFrac;
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int sx3ID2, sx3Up2, sx3Dn2, sx3Bk2;
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double sx3ZFrac2;
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tree1->Branch("sx3ID", &sx3ID, "sx3ID/I");
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tree1->Branch("sx3Up", &sx3Up, "sx3Up/I");
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tree1->Branch("sx3Dn", &sx3Dn, "sx3Dn/I");
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tree1->Branch("sx3Bk", &sx3Bk, "sx3Bk/I");
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tree1->Branch("sx3ZFrac", &sx3ZFrac, "sx3ZFrac/D");
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tree2->Branch("sx3ID", &sx3ID2, "sx3ID/I");
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tree2->Branch("sx3Up", &sx3Up2, "sx3Up/I");
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tree2->Branch("sx3Dn", &sx3Dn2, "sx3Dn/I");
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tree2->Branch("sx3Bk", &sx3Bk2, "sx3Bk/I");
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tree2->Branch("sx3ZFrac", &sx3ZFrac2, "sx3ZFrac/D");
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// reconstructed angles from PW track fit, method 1 and 2
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double reTheta, rePhi;
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double reTheta2, rePhi2;
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tree1->Branch("reTheta", &reTheta, "reconstucted_theta/D");
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tree1->Branch("rePhi", &rePhi, "reconstucted_phi/D");
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tree2->Branch("reTheta", &reTheta2, "reconstucted_theta/D");
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tree2->Branch("rePhi", &rePhi2, "reconstucted_phi/D");
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double reTheta1, rePhi1;
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double reTheta12, rePhi12;
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tree1->Branch("reTheta1", &reTheta1, "reconstucted_theta1/D");
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tree1->Branch("rePhi1", &rePhi1, "reconstucted_phi1/D");
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tree2->Branch("reTheta1", &reTheta12, "reconstucted_theta1/D");
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tree2->Branch("rePhi1", &rePhi12, "reconstucted_phi1/D");
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// reconstructed vertex Z from PW fit
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double z0;
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double z02;
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tree1->Branch("z0", &z0, "reconstucted_Z/D");
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tree2->Branch("z0", &z02, "reconstucted_Z/D");
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//========timer
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TBenchmark clock;
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bool shown ;
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clock.Reset();
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clock.Start("timer");
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shown = false;
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//================================= Calculate event loop
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for( int i = 0; i < numEvent ; i++){
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// randomly sample target/projectile excitations
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ExAID = gRandom->Integer(nExA);
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ExA = ExAList[ExAID];
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transfer.SetExA(ExA);
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ExID = gRandom->Integer(nEx);
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Ex = ExList[ExID];
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transfer.SetExB(Ex);
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// recalc kinematic constants for chosen states
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transfer.CalReactionConstant();
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// isotropic CM direction
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thetaCM = TMath::ACos(2 * gRandom->Rndm() - 1) ;
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phiCM = (gRandom->Rndm() - 0.5) * TMath::TwoPi();
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//==== Calculate reaction kinematics in lab frame for the primary transfer
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TLorentzVector * output = transfer.Event(thetaCM, phiCM); // returns array of outputs
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TLorentzVector Pb = output[2]; // primary proton from transfer
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TLorentzVector PB = output[3]; // excited 21Na* heavy product
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thetab = Pb.Theta() * TMath::RadToDeg();
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Tb = (Pb.E() - Pb.M()); // kinetic energy of the light proton from the primary transfer
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thetaB = PB.Theta() * TMath::RadToDeg();
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TB = (PB.E() - PB.M());
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phib = Pb.Phi() * TMath::RadToDeg();
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phiB = PB.Phi() * TMath::RadToDeg();
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T[0] = Tb;
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T[1] = TB;
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// prepare secondary proton from 21Na* sequential decay
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TLorentzVector decayProton;
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TLorentzVector heavy20;
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if(enableSequentialDecay){
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heavy20 = SimulateSequentialDecay(PB, decayDaughterA, decayDaughterZ,
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decayEjectA, decayEjectZ, decayProton);
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thetab2 = decayProton.Theta() * TMath::RadToDeg();
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phib2 = decayProton.Phi() * TMath::RadToDeg();
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Tb2 = decayProton.E() - decayProton.M();
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thetaB2 = heavy20.Theta() * TMath::RadToDeg();
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phiB2 = heavy20.Phi() * TMath::RadToDeg();
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TB2 = heavy20.E() - heavy20.M();
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T2[0] = Tb2;
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T2[1] = TB2;
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} else {
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thetab2 = TMath::QuietNaN();
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phib2 = TMath::QuietNaN();
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Tb2 = TMath::QuietNaN();
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thetaB2 = TMath::QuietNaN();
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phiB2 = TMath::QuietNaN();
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TB2 = TMath::QuietNaN();
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T2[0] = TMath::QuietNaN();
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T2[1] = TMath::QuietNaN();
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}
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delete [] output;
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// vertex position in target volume
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vertexX = (vertexXRange[1]- vertexXRange[0])*gRandom->Rndm() + vertexXRange[0];
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vertexY = (vertexYRange[1]- vertexYRange[0])*gRandom->Rndm() + vertexYRange[0];
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vertexZ = (vertexZRange[1]- vertexZRange[0])*gRandom->Rndm() + vertexZRange[0];
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TVector3 vertex(vertexX, vertexY, vertexZ);
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// set direction vector from lab angle
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TVector3 dir(1, 0, 0);
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dir.SetTheta(thetab * TMath::DegToRad());
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dir.SetPhi(phib * TMath::DegToRad());
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// run detector response models for PW and SX3
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pw->FindWireID(vertex, dir, false);
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sx3->FindSX3Pos(vertex, dir, false);
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PWHitInfo hitInfo = pw->GetHitInfo();
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anodeID[0] = hitInfo.nearestWire.first; // nearest anode wire ID
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cathodeID[0] = hitInfo.nearestWire.second; // nearest cathode wire ID
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anodeID[1] = hitInfo.nextNearestWire.first; // next nearest anode wire ID
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cathodeID[1] = hitInfo.nextNearestWire.second; // next nearest cathode wire ID
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anodeDist[1] = hitInfo.nextNearestDist.first; // distance to next nearest anode wire
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cathodeDist[1] = hitInfo.nextNearestDist.second; // distance to next nearest cathode wire
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if(IsDeadAnode(anodeID[0])) continue;
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if(IsDeadCathode(cathodeID[0])) continue;
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// SX3 hit channel info and depth fraction
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sx3ID = sx3->GetID();
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if(IsDeadSX3(sx3ID)) continue;
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anodeDist[0] = hitInfo.nearestDist.first; // distance to nearest anode wire
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cathodeDist[0] = hitInfo.nearestDist.second; // distance to nearest cathode wire
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if( sx3ID >= 0 ){
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|
sx3Up = sx3->GetChUp();
|
|
sx3Dn = sx3->GetChDn();
|
|
sx3Bk = sx3->GetChBk();
|
|
sx3ZFrac = sx3->GetZFrac();
|
|
|
|
// apply intrinsic detector resolution to true SX3 hit position
|
|
// for no smearing comment out and use GetHitPos();
|
|
TVector3 hitPos = sx3->GetHitPosWithSigma(sigmaSX3_W, sigmaSX3_L);
|
|
|
|
sx3X = hitPos.X();
|
|
sx3Y = hitPos.Y();
|
|
sx3Z = hitPos.Z();
|
|
|
|
// store track data for visualization if enabled
|
|
if(enableVis){
|
|
visTrackVertex.push_back(vertex);
|
|
visTrackDir.push_back(dir);
|
|
visTrackHitPos.push_back(hitPos);
|
|
visTrackWires.push_back({anodeID[0], cathodeID[0]});
|
|
}
|
|
// reconstruct track from PW readings + SX3 hit
|
|
pw->CalTrack(hitPos, anodeID[0], cathodeID[0], false);
|
|
reTheta = pw->GetTrackTheta() * TMath::RadToDeg();
|
|
rePhi = pw->GetTrackPhi() * TMath::RadToDeg();
|
|
|
|
// alternative track algorithm with uncertainty parameters
|
|
pw->CalTrack2(hitPos, hitInfo, sigmaPW_A, sigmaPW_C, false);
|
|
reTheta1 = pw->GetTrackTheta() * TMath::RadToDeg();
|
|
rePhi1 = pw->GetTrackPhi() * TMath::RadToDeg();
|
|
|
|
z0 = pw->GetZ0();
|
|
tree1->Fill();
|
|
|
|
// fill tree2 using the secondary proton (proton 2) track
|
|
TVector3 dir2(1, 0, 0);
|
|
dir2.SetTheta(thetab2 * TMath::DegToRad());
|
|
dir2.SetPhi(phib2 * TMath::DegToRad());
|
|
|
|
pw->FindWireID(vertex, dir2, false);
|
|
sx3->FindSX3Pos(vertex, dir2, false);
|
|
PWHitInfo hitInfo2 = pw->GetHitInfo();
|
|
|
|
anodeID2[0] = hitInfo2.nearestWire.first;
|
|
cathodeID2[0] = hitInfo2.nearestWire.second;
|
|
anodeID2[1] = hitInfo2.nextNearestWire.first;
|
|
cathodeID2[1] = hitInfo2.nextNearestWire.second;
|
|
|
|
anodeDist2[1] = hitInfo2.nextNearestDist.first;
|
|
cathodeDist2[1] = hitInfo2.nextNearestDist.second;
|
|
|
|
if(IsDeadAnode(anodeID2[0]) || IsDeadCathode(cathodeID2[0])){
|
|
sx3ID2 = -1;
|
|
} else {
|
|
sx3ID2 = sx3->GetID();
|
|
}
|
|
|
|
if(sx3ID2 < 0 || IsDeadSX3(sx3ID2)){
|
|
sx3ID2 = -1;
|
|
sx3Up2 = -1;
|
|
sx3Dn2 = -1;
|
|
sx3Bk2 = -1;
|
|
sx3ZFrac2 = TMath::QuietNaN();
|
|
sx3X2 = TMath::QuietNaN();
|
|
sx3Y2 = TMath::QuietNaN();
|
|
sx3Z2 = TMath::QuietNaN();
|
|
anodeDist2[0] = TMath::QuietNaN();
|
|
cathodeDist2[0] = TMath::QuietNaN();
|
|
reTheta2 = TMath::QuietNaN();
|
|
rePhi2 = TMath::QuietNaN();
|
|
reTheta12 = TMath::QuietNaN();
|
|
rePhi12 = TMath::QuietNaN();
|
|
z02 = TMath::QuietNaN();
|
|
} else {
|
|
anodeDist2[0] = hitInfo2.nearestDist.first;
|
|
cathodeDist2[0] = hitInfo2.nearestDist.second;
|
|
sx3Up2 = sx3->GetChUp();
|
|
sx3Dn2 = sx3->GetChDn();
|
|
sx3Bk2 = sx3->GetChBk();
|
|
sx3ZFrac2 = sx3->GetZFrac();
|
|
TVector3 hitPos2 = sx3->GetHitPosWithSigma(sigmaSX3_W, sigmaSX3_L);
|
|
sx3X2 = hitPos2.X();
|
|
sx3Y2 = hitPos2.Y();
|
|
sx3Z2 = hitPos2.Z();
|
|
pw->CalTrack(hitPos2, anodeID2[0], cathodeID2[0], false);
|
|
reTheta2 = pw->GetTrackTheta() * TMath::RadToDeg();
|
|
rePhi2 = pw->GetTrackPhi() * TMath::RadToDeg();
|
|
pw->CalTrack2(hitPos2, hitInfo2, sigmaPW_A, sigmaPW_C, false);
|
|
reTheta12 = pw->GetTrackTheta() * TMath::RadToDeg();
|
|
rePhi12 = pw->GetTrackPhi() * TMath::RadToDeg();
|
|
z02 = pw->GetZ0();
|
|
}
|
|
|
|
// copy common event info to tree2
|
|
KEA2 = KEA;
|
|
thetaCM2 = thetaCM;
|
|
phiCM2 = phiCM;
|
|
ExAID2 = ExAID;
|
|
ExA2 = ExA;
|
|
ExID2 = ExID;
|
|
Ex2 = Ex;
|
|
vertexX2 = vertexX;
|
|
vertexY2 = vertexY;
|
|
vertexZ2 = vertexZ;
|
|
|
|
tree2->Fill();
|
|
|
|
}else{
|
|
// no valid SX3 hit: mark clearly invalid
|
|
sx3Up = -1;
|
|
sx3Dn = -1;
|
|
sx3Bk = -1;
|
|
sx3ZFrac = TMath::QuietNaN();
|
|
|
|
sx3X = TMath::QuietNaN();
|
|
sx3Y = TMath::QuietNaN();
|
|
sx3Z = TMath::QuietNaN();
|
|
|
|
reTheta = TMath::QuietNaN();
|
|
rePhi = TMath::QuietNaN();
|
|
reTheta1 = TMath::QuietNaN();
|
|
rePhi1 = TMath::QuietNaN();
|
|
z0 = TMath::QuietNaN();
|
|
//Tb = -12354567; // mark kinetic energy as invalid for no hit case
|
|
// fill tree with original data (no energy loss for these events)
|
|
//comment out tree fill for no hit case
|
|
//tree->Fill();
|
|
}
|
|
|
|
//#################################################################### Timer
|
|
// measure elapsed real time and print progress roughly every 10 sec
|
|
clock.Stop("timer");
|
|
Double_t time = clock.GetRealTime("timer");
|
|
clock.Start("timer");
|
|
|
|
if ( !shown ) {
|
|
if (fmod(time, 10) < 1 ){
|
|
printf( "%10d[%2d%%]| %8.2f sec | expect: %5.1f min \n", i, TMath::Nint((i+1)*100./numEvent), time , numEvent*time/(i+1)/60);
|
|
shown = 1;
|
|
}
|
|
} else {
|
|
if (fmod(time, 10) > 9 ){
|
|
shown = 0;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
// write results to ROOT file and close
|
|
tree1->Write("", TObject::kOverwrite);
|
|
tree2->Write("", TObject::kOverwrite);
|
|
int count1 = tree1->GetEntries();
|
|
int count2 = tree2->GetEntries();
|
|
saveFile->Close();
|
|
|
|
printf("=============== done. saved as %s. tree1 entries: %d, tree2 entries: %d\n", saveFileName.Data(), count1, count2);
|
|
|
|
if(enableVis){ // to enable visualization, run with 3rd argument "vis", e.g. "./anasenMC 1000 vis"
|
|
printf("Displaying geometry with %zu tracks from simulation\n", visTrackVertex.size());
|
|
|
|
// Build full geometry with all wires
|
|
anasen->DrawAnasen(0, 23, 0, 23, -1, true);
|
|
|
|
// Add all stored tracks to the geometry
|
|
TGeoManager *geom = anasen->GetGeoManager();
|
|
TGeoVolume *worldBox = anasen->GetWorldBox();
|
|
|
|
if(geom && worldBox && visTrackVertex.size() > 0){
|
|
int trackNodeID = 500; // start node IDs for tracks
|
|
|
|
for(size_t iTrack = 0; iTrack < visTrackVertex.size(); ++iTrack){
|
|
TVector3 vertex = visTrackVertex[iTrack];
|
|
TVector3 dir = visTrackDir[iTrack];
|
|
TVector3 hitPos = visTrackHitPos[iTrack];
|
|
|
|
double theta = dir.Theta() * TMath::RadToDeg();
|
|
double phi = dir.Phi() * TMath::RadToDeg();
|
|
|
|
// Add a line marker at the vertex
|
|
TGeoVolume *startMarker = geom->MakeSphere("startMarker", 0, 0, 2.0);
|
|
startMarker->SetLineColor(kBlack);
|
|
worldBox->AddNode(startMarker, trackNodeID,
|
|
new TGeoCombiTrans(vertex.X(), vertex.Y(), vertex.Z(),
|
|
new TGeoRotation("rot", 0, 0, 0)));
|
|
trackNodeID++;
|
|
|
|
// Add track line from vertex toward hit position
|
|
TGeoVolume *trackLine = geom->MakeTube("trackLine", 0, 0, 0.08, 150.0);
|
|
trackLine->SetLineColor(kBlue);
|
|
worldBox->AddNode(trackLine, trackNodeID,
|
|
new TGeoCombiTrans(vertex.X(), vertex.Y(), vertex.Z(),
|
|
new TGeoRotation("rotTrack", phi + 90, theta, 0)));
|
|
trackNodeID++;
|
|
|
|
// Add hit position marker
|
|
TGeoVolume *hitMarker = geom->MakeSphere("hitMarker", 0, 0, 2.0);
|
|
hitMarker->SetLineColor(kRed);
|
|
worldBox->AddNode(hitMarker, trackNodeID,
|
|
new TGeoCombiTrans(hitPos.X(), hitPos.Y(), hitPos.Z(),
|
|
new TGeoRotation("rotHit", 0, 0, 0)));
|
|
trackNodeID++;
|
|
}
|
|
|
|
// Redraw geometry with all tracks
|
|
geom->CloseGeometry();
|
|
geom->SetVisLevel(4);
|
|
worldBox->Draw("ogle");
|
|
}
|
|
|
|
if(app){
|
|
printf("Entering ROOT event loop\n");
|
|
app->Run();
|
|
}
|
|
}
|
|
|
|
delete anasen;
|
|
|
|
|
|
return 0;
|
|
|
|
} |