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25 //
26 // G4MSSteppingAction implementation
27 //
28 // Author: M.Asai, 5 May 2006
29 // --------------------------------------------------------------------
30
31 #include "G4MSSteppingAction.hh"
32
33 #include "G4LogicalVolume.hh"
34 #include "G4Material.hh"
35 #include "G4Region.hh"
36 #include "G4Step.hh"
37 #include "G4VPhysicalVolume.hh"
38
39 #include <map>
40
41 // --------------------------------------------------------------------
42 void G4MSSteppingAction::Initialize(G4bool rSens, G4Region* reg)
43 {
44 regionSensitive = rSens;
45 theRegion = reg;
46 length = 0.;
47 x0 = 0.;
48 lambda = 0.;
49 shape_mat_info_v.clear();
50 }
51
52 // --------------------------------------------------------------------
53 void G4MSSteppingAction::UserSteppingAction(const G4Step* aStep)
54 {
55 G4StepPoint* preStepPoint = aStep->GetPreStepPoint();
56 G4Region* region = preStepPoint->GetPhysicalVolume()->GetLogicalVolume()->GetRegion();
57
58 if (regionSensitive && (region != theRegion)) return;
59
60 G4double stlen = aStep->GetStepLength();
61 const G4Material* material = preStepPoint->GetMaterial();
62 length += stlen;
63 x0 += stlen / (material->GetRadlen());
64 lambda += stlen / (material->GetNuclearInterLength());
65
66 // store information per step (1 geantino step = 1 solid)
67 {
68 shape_mat_info_v.push_back({});
69
70 shape_mat_info_t & thisMaterialInfo = shape_mat_info_v.back();
71
72 // calculate average mass number and atomic number
73 {
74 const std::vector<const G4Element*> * ElementVector_ptr = material->GetElementVector();
75 for( auto & element : *ElementVector_ptr)
76 {
77 thisMaterialInfo.aveA += element->GetA();
78 thisMaterialInfo.aveZ += element->GetZ();
79 }
80 thisMaterialInfo.aveA /= ElementVector_ptr->size();
81 thisMaterialInfo.aveZ /= ElementVector_ptr->size();
82 }
83 thisMaterialInfo.density = material->GetDensity();
84 thisMaterialInfo.radiation_length = material->GetRadlen();
85 thisMaterialInfo.interaction_length = material->GetNuclearInterLength();
86 thisMaterialInfo.thickness = aStep->GetStepLength();
87 thisMaterialInfo.integrated_thickness = length;
88 thisMaterialInfo.lambda = stlen / (material->GetNuclearInterLength());
89 thisMaterialInfo.x0 = stlen / (material->GetRadlen());
90 thisMaterialInfo.integrated_lambda = lambda;
91 thisMaterialInfo.integrated_x0 = x0;
92 thisMaterialInfo.entry_point = preStepPoint->GetPosition();
93 thisMaterialInfo.exit_point = aStep->GetPostStepPoint()->GetPosition();
94 thisMaterialInfo.material_name = material->GetName();
95 }
96
97 }
98
99 void G4MSSteppingAction::PrintEachMaterialVerbose(std::ostream & oss)
100 {
101
102 G4int colwidth = 11;
103 G4int matname_colwidth = 15;
104
105 oss << G4endl<< G4endl;
106 oss << " Material Atomic properties (averaged) Radiation Interaction Integr. Lambda X0 Entry point Exit point\n name Mass Z density length length Thickness Thickness (cm) (cm)\n (g/mole) (g/cm3) (cm) (cm) (cm) (cm) \n";
107 oss << G4endl;
108
109
110 std::ios::fmtflags os_flags (oss.flags());
111 for( auto & matInfo : shape_mat_info_v)
112 {
113 oss << std::setw(matname_colwidth) << std::left << matInfo.GetName(matname_colwidth) << " ";
114
115 oss << std::setw(colwidth) << std::fixed << std::setprecision(2) << matInfo.aveA / (CLHEP::g/CLHEP::mole);
116 oss << std::setw(colwidth) << std::fixed << std::setprecision(2) << matInfo.aveZ;
117 oss << std::setw(colwidth) << std::scientific << std::setprecision(2) << matInfo.density / (CLHEP::g/CLHEP::cm3);
118 oss << std::setw(colwidth) << std::scientific << matInfo.radiation_length / CLHEP::cm;
119 oss << std::setw(colwidth) << std::scientific << matInfo.interaction_length / CLHEP::cm;
120 oss << std::setw(colwidth) << std::scientific << matInfo.thickness/CLHEP::cm;
121 oss << std::setw(colwidth) << std::scientific << matInfo.integrated_thickness/CLHEP::cm;
122 oss << std::setw(colwidth) << std::scientific << matInfo.lambda;
123 oss << std::setw(colwidth) << std::scientific << matInfo.x0;
124 oss << std::setw(colwidth) << " ";
125 oss << std::scientific << std::right << "(";
126 oss << std::scientific << std::left << matInfo.entry_point.x()/CLHEP::cm;
127 oss << ", " << matInfo.entry_point.y()/CLHEP::cm;
128 oss << ", " << matInfo.entry_point.z()/CLHEP::cm << ")";
129 oss << std::setw(colwidth) << " ";
130 oss << std::scientific << std::right << "(";
131 oss << std::scientific << std::left << matInfo.exit_point.x()/CLHEP::cm;
132 oss << ", " << matInfo.exit_point.y()/CLHEP::cm;
133 oss << ", " << matInfo.exit_point.z()/CLHEP::cm << ")";
134 oss << G4endl;
135 oss << G4endl;
136 }
137 oss.flags(os_flags); // Restore original stream format
138 }
139
140 void G4MSSteppingAction::PrintIntegratedMaterialVerbose(std::ostream& oss)
141 {
142 // create database (db) of material name (key) and information
143 std::map<G4String, shape_mat_info_t> mat_db;
144 // accumulate information for each material name into mat_db
145 for(auto & matInfo : shape_mat_info_v)
146 {
147 G4String key = matInfo.material_name;
148 if( 0 == mat_db.count( key ) )
149 {
150 mat_db[key] = shape_mat_info_t{};
151 }
152
153 mat_db[key].x0 += matInfo.x0;
154 mat_db[key].thickness += matInfo.thickness;
155 mat_db[key].lambda += matInfo.lambda;
156 }
157
158 std::ios::fmtflags os_flags (oss.flags());
159 oss << std::scientific << std::setprecision(2) << '\t';
160 for(auto & [key,mat] : mat_db)
161 oss << '\t' << key
162 << '\t'<< mat.thickness/CLHEP::mm
163 << '\t'<< mat.x0
164 << '\t'<< mat.lambda;
165 oss.flags(os_flags); // Restore original stream format
166 return;
167 }
168