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27 //
28 // CaTS (Calorimetry and Tracking Simulation)
29 //
30 // Authors : Hans Wenzel
31 // Soon Yung Jun
32 // (Fermi National Accelerator Laboratory)
33 //
34 // History
35 // October 18th, 2021 : first implementation
36 //
37 // ********************************************************************
38 //
39 /// \file PhysicsConfigurator.cc
40 /// \brief Implementation of the CaTS::PhysicsConfigurator class
41
42 // Geant4 headers
43 #include "G4String.hh"
44 #include "G4VModularPhysicsList.hh"
45 #include "G4PhysListFactoryAlt.hh"
46 #include "G4PhysicsConstructorRegistry.hh"
47 #include "G4PhysListRegistry.hh"
48 #include "G4OpticalParameters.hh"
49 #include "G4NeutronTrackingCut.hh"
50 #include "G4StepLimiter.hh"
51 #include "G4StepLimiterPhysics.hh"
52 #include "G4SystemOfUnits.hh"
53 // project Headers
54 #include "PhysicsConfigurator.hh"
55 #include "ConfigurationManager.hh"
56 // c++ headers
57 #include <stdlib.h>
58 PhysicsConfigurator* PhysicsConfigurator::instance = 0;
59
60 G4VModularPhysicsList* PhysicsConfigurator::Construct(G4String physName)
61 {
62 //
63 // Access to registries and factories
64 //
65 G4PhysicsConstructorRegistry* g4pcr =
66 G4PhysicsConstructorRegistry::Instance();
67 G4PhysListRegistry* g4plr = G4PhysListRegistry::Instance();
68 G4bool verbose = ConfigurationManager::getInstance()->isEnable_verbose();
69 if(verbose)
70 {
71 G4cout << "Available Physics Constructors: "
72 << g4pcr->AvailablePhysicsConstructors().size() << G4endl;
73 G4cout << "Available Physics Lists: "
74 << g4plr->AvailablePhysLists().size() << G4endl;
75 G4cout << "Available Physics Extensions: "
76 << g4plr->AvailablePhysicsExtensions().size() << G4endl;
77 G4cout << "Available Physics Lists Em: "
78 << g4plr->AvailablePhysListsEM().size() << G4endl;
79 g4plr->SetVerbose(1);
80 }
81 else
82 {
83 g4plr->SetVerbose(0);
84 }
85 g4plr->AddPhysicsExtension("OPTICAL", "G4OpticalPhysics");
86 g4plr->AddPhysicsExtension("STEPLIMIT", "G4StepLimiterPhysics");
87 g4plr->AddPhysicsExtension("NEUTRONLIMIT", "G4NeutronTrackingCut");
88 if(verbose)
89 {
90 g4pcr->PrintAvailablePhysicsConstructors();
91 g4plr->PrintAvailablePhysLists();
92 }
93 g4alt::G4PhysListFactory factory;
94 G4VModularPhysicsList* phys = nullptr;
95 if(verbose)
96 G4cout << "Physics configuration: " << physName << G4endl;
97 //
98 // currently using the Constructor names doesn't work otherwise it would be:
99 // G4String physName = "FTFP_BERT+G4OpticalPhysics+G4StepLimiterPhysics";
100 // using the name doesn't work either
101 // G4String physName = "FTFP_BERT+Optical+stepLimiter";
102 // reference PhysicsList via its name
103 //
104 if(factory.IsReferencePhysList(physName))
105 {
106 phys = factory.GetReferencePhysList(physName);
107 }
108 else
109 {
110 G4cout << "Not a reference physics list" << G4endl;
111 g4plr->PrintAvailablePhysLists();
112 exit(EXIT_FAILURE);
113 }
114 if(verbose)
115 {
116 G4cout << phys->GetPhysicsTableDirectory() << G4endl;
117 }
118 G4OpticalParameters::Instance()->SetProcessActivation("Cerenkov", true);
119 G4OpticalParameters::Instance()->SetProcessActivation("Scintillation", true);
120 G4OpticalParameters::Instance()->SetProcessActivation("OpAbsorption", true);
121 G4OpticalParameters::Instance()->SetProcessActivation("OpRayleigh", true);
122 G4OpticalParameters::Instance()->SetProcessActivation("OpMieHG", false);
123 G4OpticalParameters::Instance()->SetProcessActivation("OpWLS", true);
124 G4OpticalParameters::Instance()->SetProcessActivation("OpWLS2", false);
125
126 G4OpticalParameters::Instance()->SetCerenkovStackPhotons(false);
127 G4OpticalParameters::Instance()->SetScintStackPhotons(false);
128 G4OpticalParameters::Instance()->SetScintTrackSecondariesFirst(
129 true); // only relevant if we actually stack and trace the optical photons
130 G4OpticalParameters::Instance()->SetCerenkovTrackSecondariesFirst(
131 true); // only relevant if we actually stack and trace the optical photons
132 G4OpticalParameters::Instance()->SetCerenkovMaxPhotonsPerStep(100);
133 G4OpticalParameters::Instance()->SetCerenkovMaxBetaChange(10.0);
134 if(verbose)
135 {
136 phys->DumpList();
137 }
138 return phys;
139 }
140
141 PhysicsConfigurator* PhysicsConfigurator::getInstance()
142 {
143 if(instance == 0)
144 instance = new PhysicsConfigurator();
145 return instance;
146 }
147