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25 //
26 // G4MaterialScanner implementation
27 //
28 // Author: M.Asai, May 2006
29 // --------------------------------------------------------------------
30
31 #include "G4MaterialScanner.hh"
32
33 #include "G4Event.hh"
34 #include "G4EventManager.hh"
35 #include "G4GeometryManager.hh"
36 #include "G4MSSteppingAction.hh"
37 #include "G4MatScanMessenger.hh"
38 #include "G4ProcessManager.hh"
39 #include "G4ProcessVector.hh"
40 #include "G4RayShooter.hh"
41 #include "G4Region.hh"
42 #include "G4RegionStore.hh"
43 #include "G4RunManagerKernel.hh"
44 #include "G4SDManager.hh"
45 #include "G4StateManager.hh"
46 #include "G4SystemOfUnits.hh"
47 #include "G4TransportationManager.hh"
48
49 // --------------------------------------------------------------------
50 G4MaterialScanner::G4MaterialScanner()
51 {
52 theRayShooter = new G4RayShooter();
53 theMessenger = new G4MatScanMessenger(this);
54 theEventManager = G4EventManager::GetEventManager();
55
56 eyePosition = G4ThreeVector(0., 0., 0.);
57 thetaSpan = 90. * deg;
58 phiSpan = 360. * deg;
59 }
60
61 // --------------------------------------------------------------------
62 G4MaterialScanner::~G4MaterialScanner()
63 {
64 delete theRayShooter;
65 delete theMatScannerSteppingAction;
66 delete theMessenger;
67 }
68
69 // --------------------------------------------------------------------
70 void G4MaterialScanner::Scan()
71 {
72 G4StateManager* theStateMan = G4StateManager::GetStateManager();
73 G4ApplicationState currentState = theStateMan->GetCurrentState();
74 if (currentState != G4State_Idle) {
75 G4cerr << "Illegal application state - Scan() ignored." << G4endl;
76 return;
77 }
78
79 if (theMatScannerSteppingAction == nullptr) {
80 theMatScannerSteppingAction = new G4MSSteppingAction();
81 }
82 StoreUserActions();
83 DoScan();
84 RestoreUserActions();
85 }
86
87 // --------------------------------------------------------------------
88 void G4MaterialScanner::StoreUserActions()
89 {
90 theUserEventAction = theEventManager->GetUserEventAction();
91 theUserStackingAction = theEventManager->GetUserStackingAction();
92 theUserTrackingAction = theEventManager->GetUserTrackingAction();
93 theUserSteppingAction = theEventManager->GetUserSteppingAction();
94
95 theEventManager->SetUserAction(theMatScannerEventAction);
96 theEventManager->SetUserAction(theMatScannerStackingAction);
97 theEventManager->SetUserAction(theMatScannerTrackingAction);
98 theEventManager->SetUserAction(theMatScannerSteppingAction);
99
100 G4SDManager* theSDMan = G4SDManager::GetSDMpointerIfExist();
101 if (theSDMan != nullptr) {
102 theSDMan->Activate("/", false);
103 }
104
105 G4GeometryManager* theGeomMan = G4GeometryManager::GetInstance();
106 theGeomMan->OpenGeometry();
107 theGeomMan->CloseGeometry(true);
108 }
109
110 // --------------------------------------------------------------------
111 void G4MaterialScanner::RestoreUserActions()
112 {
113 theEventManager->SetUserAction(theUserEventAction);
114 theEventManager->SetUserAction(theUserStackingAction);
115 theEventManager->SetUserAction(theUserTrackingAction);
116 theEventManager->SetUserAction(theUserSteppingAction);
117
118 G4SDManager* theSDMan = G4SDManager::GetSDMpointerIfExist();
119 if (theSDMan != nullptr) {
120 theSDMan->Activate("/", true);
121 }
122 }
123
124 // --------------------------------------------------------------------
125 void G4MaterialScanner::DoScan()
126 {
127 // Confirm material table is updated
128 G4RunManagerKernel::GetRunManagerKernel()->UpdateRegion();
129
130 // Close geometry and set the application state
131 G4GeometryManager* geomManager = G4GeometryManager::GetInstance();
132 geomManager->OpenGeometry();
133 geomManager->CloseGeometry(true, false);
134
135 G4ThreeVector center(0, 0, 0);
136 G4Navigator* navigator =
137 G4TransportationManager::GetTransportationManager()->GetNavigatorForTracking();
138 navigator->LocateGlobalPointAndSetup(center, nullptr, false);
139
140 G4StateManager* theStateMan = G4StateManager::GetStateManager();
141 theStateMan->SetNewState(G4State_GeomClosed);
142
143 // Event loop
144 G4int iEvent = 0;
145 for (G4int iTheta = 0; iTheta < nTheta; ++iTheta) {
146 G4double theta = thetaMin;
147 if (iTheta > 0) theta += G4double(iTheta) * thetaSpan / G4double(nTheta - 1);
148 G4double aveLength = 0.;
149 G4double aveX0 = 0.;
150 G4double aveLambda = 0.;
151 G4cout << G4endl;
152 G4cout << " Theta(deg) Phi(deg) Length(mm) x0 lambda0" << G4endl;
153 G4cout << G4endl;
154 for (G4int iPhi = 0; iPhi < nPhi; ++iPhi) {
155 auto anEvent = new G4Event(iEvent++);
156 G4double phi = phiMin;
157 if (iPhi > 0) phi += G4double(iPhi) * phiSpan / G4double(nPhi - 1);
158 eyeDirection = G4ThreeVector(std::cos(theta) * std::cos(phi), std::cos(theta) * std::sin(phi),
159 std::sin(theta));
160 theRayShooter->Shoot(anEvent, eyePosition, eyeDirection);
161 theMatScannerSteppingAction->Initialize(regionSensitive, theRegion);
162 theEventManager->ProcessOneEvent(anEvent);
163 G4double length = theMatScannerSteppingAction->GetTotalStepLength();
164 G4double x0 = theMatScannerSteppingAction->GetX0();
165 G4double lambda = theMatScannerSteppingAction->GetLambda0();
166
167 G4cout << " " << std::setw(11) << theta / deg << " " << std::setw(11) << phi / deg
168 << " " << std::setw(11) << length / mm << " " << std::setw(11) << x0 << " "
169 << std::setw(11) << lambda;
170 if(1 == verbosity)
171 {
172 theMatScannerSteppingAction->PrintIntegratedMaterialVerbose(G4cout);
173 }
174 else if(2 == verbosity)
175 {
176 theMatScannerSteppingAction->PrintEachMaterialVerbose(G4cout);
177 }
178 G4cout << G4endl;
179 aveLength += length / mm;
180 aveX0 += x0;
181 aveLambda += lambda;
182 }
183 if (nPhi > 1) {
184 G4cout << G4endl;
185 G4cout << " ave. for theta = " << std::setw(11) << theta / deg << " : " << std::setw(11)
186 << aveLength / nPhi << " " << std::setw(11) << aveX0 / nPhi << " " << std::setw(11)
187 << aveLambda / nPhi << G4endl;
188 }
189 }
190
191 theStateMan->SetNewState(G4State_Idle);
192 return;
193 }
194
195 // --------------------------------------------------------------------
196 G4bool G4MaterialScanner::SetRegionName(const G4String& val)
197 {
198 G4Region* aRegion = G4RegionStore::GetInstance()->GetRegion(val);
199 if (aRegion != nullptr) {
200 theRegion = aRegion;
201 regionName = val;
202 return true;
203 }
204
205 G4cerr << "Region <" << val << "> not found. Command ignored." << G4endl;
206 G4cerr << "Defined regions are : " << G4endl;
207 for (const auto& i : *G4RegionStore::GetInstance()) {
208 G4cerr << " " << i->GetName();
209 }
210 G4cerr << G4endl;
211 return false;
212 }
213