1 |
pamelats |
1.1 |
// $Id: run_g4.C,v 1.0 2007/06/01 |
2 |
|
|
// |
3 |
|
|
// Macro for running G4PAM_VMC with Geant4. |
4 |
|
|
void run_g4_GP_Chain(const TString& configMacro = "g4Config.C") { |
5 |
|
|
|
6 |
|
|
// Load basic libraries |
7 |
|
|
gROOT->LoadMacro("./macro/basiclibs.C"); |
8 |
|
|
basiclibs(); |
9 |
|
|
|
10 |
|
|
// Load PAMELA libs |
11 |
|
|
TString PAMLIB=gSystem->Getenv("PAM_LIB"); |
12 |
|
|
gSystem->Load(PAMLIB+"/libyoda.so"); |
13 |
|
|
gSystem->Load(PAMLIB+"/libDarthVader.so"); |
14 |
|
|
gSystem->Load(PAMLIB+"/libPamLevel2.so"); |
15 |
|
|
|
16 |
|
|
// Load Geant4 libraries |
17 |
|
|
|
18 |
|
|
gROOT->LoadMacro("./macro/PamG4Libs.C"); |
19 |
|
|
PamG4Libs(); |
20 |
|
|
|
21 |
|
|
// Load this example libraries |
22 |
|
|
TString G4WD=gSystem->Getenv("G4WORKDIR"); |
23 |
|
|
TString PLAT=gSystem->Getenv("PLATFORM"); |
24 |
|
|
gSystem->Load(G4WD+"/lib/tgt_"+PLAT+"/libPamVMC_fc"); |
25 |
|
|
|
26 |
|
|
// MC application |
27 |
|
|
PamVMCApplication* appl |
28 |
|
|
= new PamVMCApplication("PAMG4_VMC", "PAMELA GEANT4 VMC application"); |
29 |
|
|
|
30 |
|
|
appl->GetPrimaryGenerator()->SetNofPrimaries(1); |
31 |
|
|
|
32 |
|
|
|
33 |
|
|
// Initialize MC |
34 |
|
|
appl->InitMC(configMacro); |
35 |
|
|
((TGeant4*)gMC)->ProcessGeantMacro("g4config2.in"); |
36 |
|
|
|
37 |
|
|
//START READING INPUT FILE |
38 |
|
|
|
39 |
|
|
Int_t Ipa; |
40 |
|
|
Float_t X0, Y0, Z0, Theta, Phi, P0; |
41 |
|
|
|
42 |
|
|
TChain * h20 = new TChain("h20"); |
43 |
|
|
|
44 |
|
|
//TString Filename = "ele_5-6_n2.Beam.root"; |
45 |
|
|
|
46 |
|
|
TString HOME=gSystem->Getenv("HOME"); |
47 |
|
|
|
48 |
|
|
TSystemDirectory *readdir=new TSystemDirectory("readdir",HOME+"/RES"); |
49 |
|
|
|
50 |
|
|
// TList * list = readdir->GetListOfFiles(); |
51 |
|
|
|
52 |
|
|
h20->Add(HOME+"/RES/ele_r1_5-6.Beam.root"); |
53 |
|
|
h20->Add(HOME+"/RES/ele_r2_5-6.Beam.root"); |
54 |
|
|
h20->Add(HOME+"/RES/ele_r3_5-6.Beam.root"); |
55 |
|
|
// h20->Add(HOME+"/RES/ele_n4_5-6.Beam.root"); |
56 |
|
|
//if (list->FindObject(Filename) ){ |
57 |
|
|
// cout<< Filename<<" found..."<<endl; |
58 |
|
|
// TFile* inpf = new TFile(HOME+"/RES/"+Filename); |
59 |
|
|
|
60 |
|
|
//h20 = (Te*)inpf->Get("h20"); |
61 |
|
|
if (h20->GetBranch("Ipa")){ |
62 |
|
|
h20->SetBranchAddress("Ipa",&Ipa); |
63 |
|
|
h20->SetBranchStatus("Ipa",1); |
64 |
|
|
} |
65 |
|
|
if (h20->GetBranch("X0")){ |
66 |
|
|
h20->SetBranchAddress("X0",&X0); |
67 |
|
|
h20->SetBranchStatus("X0",1); |
68 |
|
|
} |
69 |
|
|
if (h20->GetBranch("Y0")){ |
70 |
|
|
h20->SetBranchAddress("Y0",&Y0); |
71 |
|
|
h20->SetBranchStatus("Y0",1); |
72 |
|
|
} |
73 |
|
|
if (h20->GetBranch("Z0")){ |
74 |
|
|
h20->SetBranchAddress("Z0",&Z0); |
75 |
|
|
h20->SetBranchStatus("Z0",1); |
76 |
|
|
} |
77 |
|
|
if (h20->GetBranch("P0")){ |
78 |
|
|
h20->SetBranchAddress("P0",&P0); |
79 |
|
|
h20->SetBranchStatus("P0",1); |
80 |
|
|
} |
81 |
|
|
if (h20->GetBranch("Theta")){ |
82 |
|
|
h20->SetBranchAddress("Theta",&Theta); |
83 |
|
|
h20->SetBranchStatus("Theta",1); |
84 |
|
|
} |
85 |
|
|
if (h20->GetBranch("Phi")){ |
86 |
|
|
h20->SetBranchAddress("Phi",&Phi); |
87 |
|
|
h20->SetBranchStatus("Phi",1); |
88 |
|
|
} |
89 |
|
|
|
90 |
|
|
|
91 |
|
|
Int_t nevents = (Int_t)h20->GetEntries(); |
92 |
|
|
|
93 |
|
|
// nevents = 200; |
94 |
|
|
cout<<"PROCESS "<<nevents<<" EVENTS"<<endl; |
95 |
|
|
|
96 |
|
|
TParticlePDG* particlePDG = TDatabasePDG::Instance()->GetParticle(kElectron); //correct |
97 |
|
|
Double_t mass = particlePDG->Mass(); |
98 |
|
|
Double_t PX, PY, PZ; |
99 |
|
|
for (Int_t i=0; i<nevents; i++){ |
100 |
|
|
h20->GetEntry(i); |
101 |
|
|
appl->GetPrimaryGenerator()->SetKinEnergy(sqrt(P0*P0+mass*mass)-mass); |
102 |
|
|
cout<<"EKIN "<<appl->GetPrimaryGenerator()->GetKinEnergy()<<" GeV"<<endl; |
103 |
|
|
//cout<<"RIG "<<appl->GetPrimaryGenerator()->GetRigidity()<<" GV"<<endl; |
104 |
|
|
PX=P0*sin(Theta)*cos(Phi); |
105 |
|
|
PY=P0*sin(Theta)*sin(Phi); |
106 |
|
|
PZ=-P0*cos(Theta); |
107 |
|
|
cout<<"(PX0,PY0,PZ0)="<<PX<<","<<PY<<","<<PZ<<endl; |
108 |
|
|
appl->GetPrimaryGenerator()->SetDirection(PX,PY,PZ); |
109 |
|
|
cout<<"(X0,Y0,Z0)"<<X0<<","<<Y0<<","<<Z0<<endl; |
110 |
|
|
appl->GetPrimaryGenerator()->SetPosition(X0,Y0,Z0); |
111 |
|
|
|
112 |
|
|
|
113 |
|
|
appl->RunMC(1); |
114 |
|
|
|
115 |
|
|
} |
116 |
|
|
|
117 |
|
|
|
118 |
|
|
// Visualization settings |
119 |
|
|
// ((TGeant4*)gMC)->ProcessGeantMacro("g4vis.in"); |
120 |
|
|
// inpf.cd(); |
121 |
|
|
// delete inpf; |
122 |
|
|
// Run MC |
123 |
|
|
// appl->RunMC(1000); |
124 |
|
|
appl->FinishRun(); |
125 |
|
|
// ((TGeant4*)gMC)->StartGeantUI(); |
126 |
|
|
// delete appl; |
127 |
|
|
|
128 |
|
|
} |