| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
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17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
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24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // 26 //
27 // 27 //
28 // 28 //
29 // 29 //
30 30
31 31
32 #include "G4TheRayTracer.hh" 32 #include "G4TheRayTracer.hh"
33 #include "G4SystemOfUnits.hh" 33 #include "G4SystemOfUnits.hh"
34 #include "G4EventManager.hh" 34 #include "G4EventManager.hh"
35 #include "G4RTMessenger.hh" 35 #include "G4RTMessenger.hh"
36 #include "G4RayShooter.hh" 36 #include "G4RayShooter.hh"
37 #include "G4VFigureFileMaker.hh" 37 #include "G4VFigureFileMaker.hh"
38 #include "G4RTTrackingAction.hh" 38 #include "G4RTTrackingAction.hh"
39 #include "G4RTSteppingAction.hh" 39 #include "G4RTSteppingAction.hh"
40 #include "G4RayTrajectory.hh" 40 #include "G4RayTrajectory.hh"
41 #include "G4RayTrajectoryPoint.hh" 41 #include "G4RayTrajectoryPoint.hh"
42 #include "G4RTJpegMaker.hh" 42 #include "G4RTJpegMaker.hh"
43 #include "G4RTSimpleScanner.hh" 43 #include "G4RTSimpleScanner.hh"
44 #include "G4GeometryManager.hh" 44 #include "G4GeometryManager.hh"
45 #include "G4SDManager.hh" 45 #include "G4SDManager.hh"
46 #include "G4StateManager.hh" 46 #include "G4StateManager.hh"
47 #include "G4Event.hh" 47 #include "G4Event.hh"
48 #include "G4TrajectoryContainer.hh" 48 #include "G4TrajectoryContainer.hh"
49 #include "G4Colour.hh" 49 #include "G4Colour.hh"
50 #include "G4VisAttributes.hh" 50 #include "G4VisAttributes.hh"
51 #include "G4UImanager.hh" 51 #include "G4UImanager.hh"
52 #include "G4TransportationManager.hh" 52 #include "G4TransportationManager.hh"
53 #include "G4RegionStore.hh" 53 #include "G4RegionStore.hh"
54 #include "G4ProductionCutsTable.hh" 54 #include "G4ProductionCutsTable.hh"
55 #include "G4VVisManager.hh" 55 #include "G4VVisManager.hh"
56 56
57 #define G4warn G4cout 57 #define G4warn G4cout
58 58
59 G4VFigureFileMaker * G4TheRayTracer::theFigMak 59 G4VFigureFileMaker * G4TheRayTracer::theFigMaker = 0;
60 G4VRTScanner * G4TheRayTracer::theScanner = 0; 60 G4VRTScanner * G4TheRayTracer::theScanner = 0;
61 61
62 G4TheRayTracer::G4TheRayTracer(G4VFigureFileMa 62 G4TheRayTracer::G4TheRayTracer(G4VFigureFileMaker* figMaker,
63 G4VRTScanner* scanner) 63 G4VRTScanner* scanner)
64 { 64 {
65 theFigMaker = figMaker; 65 theFigMaker = figMaker;
66 if(!theFigMaker) theFigMaker = new G4RTJpegM 66 if(!theFigMaker) theFigMaker = new G4RTJpegMaker;
67 theScanner = scanner; 67 theScanner = scanner;
68 if(!theScanner) theScanner = new G4RTSimpleS 68 if(!theScanner) theScanner = new G4RTSimpleScanner;
69 theRayShooter = new G4RayShooter(); 69 theRayShooter = new G4RayShooter();
70 theUserEventAction = 0; 70 theUserEventAction = 0;
71 theUserStackingAction = 0; 71 theUserStackingAction = 0;
72 theUserTrackingAction = 0; 72 theUserTrackingAction = 0;
73 theUserSteppingAction = 0; 73 theUserSteppingAction = 0;
74 theRayTracerEventAction = 0; 74 theRayTracerEventAction = 0;
75 theRayTracerStackingAction = 0; 75 theRayTracerStackingAction = 0;
76 theRayTracerTrackingAction = 0; 76 theRayTracerTrackingAction = 0;
77 theRayTracerSteppingAction = 0; 77 theRayTracerSteppingAction = 0;
78 colorR = 0; 78 colorR = 0;
79 colorG = 0; 79 colorG = 0;
80 colorB = 0; 80 colorB = 0;
81 81
82 theMessenger = G4RTMessenger::GetInstance(th 82 theMessenger = G4RTMessenger::GetInstance(this);
83 theEventManager = G4EventManager::GetEventMa 83 theEventManager = G4EventManager::GetEventManager();
84 84
85 nColumn = 640; 85 nColumn = 640;
86 nRow = 640; 86 nRow = 640;
87 87
88 eyePosition = G4ThreeVector(1.*m,1.*m,1.*m); 88 eyePosition = G4ThreeVector(1.*m,1.*m,1.*m);
89 targetPosition = G4ThreeVector(0.,0.,0.); 89 targetPosition = G4ThreeVector(0.,0.,0.);
90 lightDirection = G4ThreeVector(-0.1,-0.2,-0. 90 lightDirection = G4ThreeVector(-0.1,-0.2,-0.3).unit();
91 up = G4ThreeVector(0,1,0); 91 up = G4ThreeVector(0,1,0);
92 viewSpan = 5.0*deg; 92 viewSpan = 5.0*deg;
93 headAngle = 0.; 93 headAngle = 0.;
94 attenuationLength = 1.0*m; 94 attenuationLength = 1.0*m;
95 95
96 distortionOn = false; 96 distortionOn = false;
97 antialiasingOn = false; 97 antialiasingOn = false;
98 98
99 backgroundColour = G4Colour(1.,1.,1.); 99 backgroundColour = G4Colour(1.,1.,1.);
100 } 100 }
101 101
102 G4TheRayTracer::~G4TheRayTracer() 102 G4TheRayTracer::~G4TheRayTracer()
103 { 103 {
104 delete theRayShooter; 104 delete theRayShooter;
105 if(theRayTracerTrackingAction) delete theRay 105 if(theRayTracerTrackingAction) delete theRayTracerTrackingAction;
106 if(theRayTracerSteppingAction) delete theRay 106 if(theRayTracerSteppingAction) delete theRayTracerSteppingAction;
107 delete theMessenger; 107 delete theMessenger;
108 delete theScanner; 108 delete theScanner;
109 delete theFigMaker; 109 delete theFigMaker;
110 } 110 }
111 111
112 void G4TheRayTracer::Trace(const G4String& fil 112 void G4TheRayTracer::Trace(const G4String& fileName)
113 { 113 {
114 G4StateManager* theStateMan = G4StateManager 114 G4StateManager* theStateMan = G4StateManager::GetStateManager();
115 G4ApplicationState currentState = theStateMa 115 G4ApplicationState currentState = theStateMan->GetCurrentState();
116 if(currentState!=G4State_Idle) 116 if(currentState!=G4State_Idle)
117 { 117 {
118 G4warn << "Illegal application state - Tra 118 G4warn << "Illegal application state - Trace() ignored." << G4endl;
119 return; 119 return;
120 } 120 }
121 121
122 if(!theFigMaker) 122 if(!theFigMaker)
123 { 123 {
124 G4warn << "Figure file maker class is not 124 G4warn << "Figure file maker class is not specified - Trace() ignored." << G4endl;
125 return; 125 return;
126 } 126 }
127 127
128 G4UImanager* UI = G4UImanager::GetUIpointer( 128 G4UImanager* UI = G4UImanager::GetUIpointer();
129 G4int storeTrajectory = UI->GetCurrentIntVal 129 G4int storeTrajectory = UI->GetCurrentIntValue("/tracking/storeTrajectory");
130 if(storeTrajectory==0) UI->ApplyCommand("/tr 130 if(storeTrajectory==0) UI->ApplyCommand("/tracking/storeTrajectory 1");
131 131
132 132
133 G4ThreeVector tmpVec = targetPosition - eyeP 133 G4ThreeVector tmpVec = targetPosition - eyePosition;
134 eyeDirection = tmpVec.unit(); 134 eyeDirection = tmpVec.unit();
135 colorR = new unsigned char[nColumn*nRow]; 135 colorR = new unsigned char[nColumn*nRow];
136 colorG = new unsigned char[nColumn*nRow]; 136 colorG = new unsigned char[nColumn*nRow];
137 colorB = new unsigned char[nColumn*nRow]; 137 colorB = new unsigned char[nColumn*nRow];
138 138
139 StoreUserActions(); 139 StoreUserActions();
140 G4bool succeeded = CreateBitMap(); 140 G4bool succeeded = CreateBitMap();
141 if(succeeded) 141 if(succeeded)
142 { CreateFigureFile(fileName); } 142 { CreateFigureFile(fileName); }
143 else 143 else
144 { G4warn << "Could not create figure file" < 144 { G4warn << "Could not create figure file" << G4endl;
145 G4warn << "You might set the eye position 145 G4warn << "You might set the eye position outside of the world volume" << G4endl; }
146 RestoreUserActions(); 146 RestoreUserActions();
147 147
148 if(storeTrajectory==0) UI->ApplyCommand("/tr 148 if(storeTrajectory==0) UI->ApplyCommand("/tracking/storeTrajectory 0");
149 149
150 delete [] colorR; 150 delete [] colorR;
151 delete [] colorG; 151 delete [] colorG;
152 delete [] colorB; 152 delete [] colorB;
153 } 153 }
154 154
155 void G4TheRayTracer::StoreUserActions() 155 void G4TheRayTracer::StoreUserActions()
156 { 156 {
157 theUserEventAction = theEventManager->GetUse 157 theUserEventAction = theEventManager->GetUserEventAction();
158 theUserStackingAction = theEventManager->Get 158 theUserStackingAction = theEventManager->GetUserStackingAction();
159 theUserTrackingAction = theEventManager->Get 159 theUserTrackingAction = theEventManager->GetUserTrackingAction();
160 theUserSteppingAction = theEventManager->Get 160 theUserSteppingAction = theEventManager->GetUserSteppingAction();
161 161
162 if(!theRayTracerTrackingAction) theRayTracer 162 if(!theRayTracerTrackingAction) theRayTracerTrackingAction = new G4RTTrackingAction();
163 if(!theRayTracerSteppingAction) theRayTracer 163 if(!theRayTracerSteppingAction) theRayTracerSteppingAction = new G4RTSteppingAction();
164 164
165 theEventManager->SetUserAction(theRayTracerE 165 theEventManager->SetUserAction(theRayTracerEventAction);
166 theEventManager->SetUserAction(theRayTracerS 166 theEventManager->SetUserAction(theRayTracerStackingAction);
167 theEventManager->SetUserAction(theRayTracerT 167 theEventManager->SetUserAction(theRayTracerTrackingAction);
168 theEventManager->SetUserAction(theRayTracerS 168 theEventManager->SetUserAction(theRayTracerSteppingAction);
169 169
170 G4SDManager* theSDMan = G4SDManager::GetSDMp 170 G4SDManager* theSDMan = G4SDManager::GetSDMpointerIfExist();
171 if(theSDMan) 171 if(theSDMan)
172 { theSDMan->Activate("/",false); } 172 { theSDMan->Activate("/",false); }
173 173
174 G4GeometryManager* theGeomMan = G4GeometryMa 174 G4GeometryManager* theGeomMan = G4GeometryManager::GetInstance();
175 theGeomMan->OpenGeometry(); 175 theGeomMan->OpenGeometry();
176 theGeomMan->CloseGeometry(true); 176 theGeomMan->CloseGeometry(true);
177 } 177 }
178 178
179 void G4TheRayTracer::RestoreUserActions() 179 void G4TheRayTracer::RestoreUserActions()
180 { 180 {
181 theEventManager->SetUserAction(theUserEventA 181 theEventManager->SetUserAction(theUserEventAction);
182 theEventManager->SetUserAction(theUserStacki 182 theEventManager->SetUserAction(theUserStackingAction);
183 theEventManager->SetUserAction(theUserTracki 183 theEventManager->SetUserAction(theUserTrackingAction);
184 theEventManager->SetUserAction(theUserSteppi 184 theEventManager->SetUserAction(theUserSteppingAction);
185 185
186 G4SDManager* theSDMan = G4SDManager::GetSDMp 186 G4SDManager* theSDMan = G4SDManager::GetSDMpointerIfExist();
187 if(theSDMan) 187 if(theSDMan)
188 { theSDMan->Activate("/",true); } 188 { theSDMan->Activate("/",true); }
189 } 189 }
190 190
191 #include "G4ProcessManager.hh" 191 #include "G4ProcessManager.hh"
192 #include "G4ProcessVector.hh" 192 #include "G4ProcessVector.hh"
193 #include "G4Geantino.hh" 193 #include "G4Geantino.hh"
194 194
195 G4bool G4TheRayTracer::CreateBitMap() 195 G4bool G4TheRayTracer::CreateBitMap()
196 { 196 {
197 G4int iEvent = 0; 197 G4int iEvent = 0;
198 G4double stepAngle = viewSpan/100.; 198 G4double stepAngle = viewSpan/100.;
199 G4double viewSpanX = stepAngle*nColumn; 199 G4double viewSpanX = stepAngle*nColumn;
200 G4double viewSpanY = stepAngle*nRow; 200 G4double viewSpanY = stepAngle*nRow;
201 G4bool succeeded; 201 G4bool succeeded;
202 202
203 G4VVisManager* visMan = G4VVisManager::GetCo 203 G4VVisManager* visMan = G4VVisManager::GetConcreteInstance();
204 visMan->IgnoreStateChanges(true); 204 visMan->IgnoreStateChanges(true);
205 205
206 // Confirm process(es) of Geantino is initiali 206 // Confirm process(es) of Geantino is initialized
207 G4VPhysicalVolume* pWorld = 207 G4VPhysicalVolume* pWorld =
208 G4TransportationManager::GetTransportationMa 208 G4TransportationManager::GetTransportationManager()->
209 GetNavigatorForTracking()->GetWorldVolume(); 209 GetNavigatorForTracking()->GetWorldVolume();
210 G4RegionStore::GetInstance()->UpdateMaterial 210 G4RegionStore::GetInstance()->UpdateMaterialList(pWorld);
211 G4ProductionCutsTable::GetProductionCutsTabl 211 G4ProductionCutsTable::GetProductionCutsTable()->UpdateCoupleTable(pWorld);
212 G4ProcessVector* pVector 212 G4ProcessVector* pVector
213 = G4Geantino::GeantinoDefinition()->GetPro 213 = G4Geantino::GeantinoDefinition()->GetProcessManager()->GetProcessList();
214 for (G4int j=0; j < (G4int)pVector->size(); 214 for (G4int j=0; j < (G4int)pVector->size(); ++j) {
215 (*pVector)[j]->BuildPhysicsTable(*(G4Gea 215 (*pVector)[j]->BuildPhysicsTable(*(G4Geantino::GeantinoDefinition()));
216 } 216 }
217 217
218 // Close geometry and set the application stat 218 // Close geometry and set the application state
219 G4GeometryManager* geomManager = G4GeometryM 219 G4GeometryManager* geomManager = G4GeometryManager::GetInstance();
220 geomManager->OpenGeometry(); 220 geomManager->OpenGeometry();
221 geomManager->CloseGeometry(1,0); 221 geomManager->CloseGeometry(1,0);
222 222
223 G4ThreeVector center(0,0,0); 223 G4ThreeVector center(0,0,0);
224 G4Navigator* navigator = 224 G4Navigator* navigator =
225 G4TransportationManager::GetTransportati 225 G4TransportationManager::GetTransportationManager()->GetNavigatorForTracking();
226 navigator->LocateGlobalPointAndSetup(center, 226 navigator->LocateGlobalPointAndSetup(center,0,false);
227 227
228 G4StateManager* theStateMan = G4StateManager 228 G4StateManager* theStateMan = G4StateManager::GetStateManager();
229 theStateMan->SetNewState(G4State_GeomClosed) 229 theStateMan->SetNewState(G4State_GeomClosed);
230 230
231 // Event loop 231 // Event loop
232 theScanner->Initialize(nRow,nColumn); 232 theScanner->Initialize(nRow,nColumn);
233 G4int iRow, iColumn; 233 G4int iRow, iColumn;
234 while (theScanner->Coords(iRow,iColumn)) { 234 while (theScanner->Coords(iRow,iColumn)) {
235 G4int iCoord = iRow * nColumn + iColumn; 235 G4int iCoord = iRow * nColumn + iColumn;
236 G4double dRow = 0, dColumn = 0; // Anti 236 G4double dRow = 0, dColumn = 0; // Antialiasing increments.
237 G4Event* anEvent = new G4Event(iEvent++) 237 G4Event* anEvent = new G4Event(iEvent++);
238 G4double angleX = -(viewSpanX/2. - (iCol 238 G4double angleX = -(viewSpanX/2. - (iColumn+dColumn)*stepAngle);
239 G4double angleY = viewSpanY/2. - (iRow+d 239 G4double angleY = viewSpanY/2. - (iRow+dRow)*stepAngle;
240 G4ThreeVector rayDirection; 240 G4ThreeVector rayDirection;
241 if(distortionOn) 241 if(distortionOn)
242 { 242 {
243 rayDirection = G4ThreeVector(-std::tan(angle 243 rayDirection = G4ThreeVector(-std::tan(angleX)/std::cos(angleY),std::tan(angleY)/std::cos(angleX),1.0);
244 } 244 }
245 else 245 else
246 { 246 {
247 rayDirection = G4ThreeVector(-std::tan(angle 247 rayDirection = G4ThreeVector(-std::tan(angleX),std::tan(angleY),1.0);
248 } 248 }
249 G4double cp = std::cos(eyeDirection.phi( 249 G4double cp = std::cos(eyeDirection.phi());
250 G4double sp = std::sqrt(1.-cp*cp); 250 G4double sp = std::sqrt(1.-cp*cp);
251 G4double ct = std::cos(eyeDirection.thet 251 G4double ct = std::cos(eyeDirection.theta());
252 G4double st = std::sqrt(1.-ct*ct); 252 G4double st = std::sqrt(1.-ct*ct);
253 G4double gamma = std::atan2(ct*cp*up.x() 253 G4double gamma = std::atan2(ct*cp*up.x()+ct*sp*up.y()-st*up.z(), -sp*up.x()+cp*up.y());
254 rayDirection.rotateZ(-gamma); 254 rayDirection.rotateZ(-gamma);
255 rayDirection.rotateZ(headAngle); 255 rayDirection.rotateZ(headAngle);
256 rayDirection.rotateUz(eyeDirection); 256 rayDirection.rotateUz(eyeDirection);
257 G4ThreeVector rayPosition(eyePosition); 257 G4ThreeVector rayPosition(eyePosition);
258 G4bool interceptable = true; 258 G4bool interceptable = true;
259 // Check if rayPosition is in the world. 259 // Check if rayPosition is in the world.
260 EInside whereisit = 260 EInside whereisit =
261 pWorld->GetLogicalVolume()->GetSolid()->Insi 261 pWorld->GetLogicalVolume()->GetSolid()->Inside(rayPosition);
262 if (whereisit != kInside) { 262 if (whereisit != kInside) {
263 // It's outside the world, so move it inside 263 // It's outside the world, so move it inside.
264 G4double outsideDistance = 264 G4double outsideDistance =
265 pWorld->GetLogicalVolume()->GetSolid()-> 265 pWorld->GetLogicalVolume()->GetSolid()->
266 DistanceToIn(rayPosition,rayDirection); 266 DistanceToIn(rayPosition,rayDirection);
267 if (outsideDistance != kInfinity) { 267 if (outsideDistance != kInfinity) {
268 // Borrowing from geometry, where 1e-8 < e 268 // Borrowing from geometry, where 1e-8 < epsilon < 1e-3, in
269 // absolute/internal length units, is used 269 // absolute/internal length units, is used for ensuring good
270 // behaviour, choose to add 0.001 to ensur 270 // behaviour, choose to add 0.001 to ensure rayPosition is
271 // definitely inside the world volume (JA 271 // definitely inside the world volume (JA 16/9/2005)...
272 rayPosition = rayPosition+(outsideDistance 272 rayPosition = rayPosition+(outsideDistance+0.001)*rayDirection;
273 } 273 }
274 else { 274 else {
275 interceptable = false; 275 interceptable = false;
276 } 276 }
277 } 277 }
278 if (interceptable) { 278 if (interceptable) {
279 theRayShooter->Shoot(anEvent,rayPosition,ray 279 theRayShooter->Shoot(anEvent,rayPosition,rayDirection.unit());
280 theEventManager->ProcessOneEvent(anEvent); 280 theEventManager->ProcessOneEvent(anEvent);
281 succeeded = GenerateColour(anEvent); 281 succeeded = GenerateColour(anEvent);
282 colorR[iCoord] = (unsigned char)(G4int(255*r 282 colorR[iCoord] = (unsigned char)(G4int(255*rayColour.GetRed()));
283 colorG[iCoord] = (unsigned char)(G4int(255*r 283 colorG[iCoord] = (unsigned char)(G4int(255*rayColour.GetGreen()));
284 colorB[iCoord] = (unsigned char)(G4int(255*r 284 colorB[iCoord] = (unsigned char)(G4int(255*rayColour.GetBlue()));
285 } else { // Ray does not intercept worl 285 } else { // Ray does not intercept world at all.
286 // Store background colour... 286 // Store background colour...
287 colorR[iCoord] = (unsigned char)(G4int(255*b 287 colorR[iCoord] = (unsigned char)(G4int(255*backgroundColour.GetRed()));
288 colorG[iCoord] = (unsigned char)(G4int(255*b 288 colorG[iCoord] = (unsigned char)(G4int(255*backgroundColour.GetGreen()));
289 colorB[iCoord] = (unsigned char)(G4int(255*b 289 colorB[iCoord] = (unsigned char)(G4int(255*backgroundColour.GetBlue()));
290 succeeded = true; 290 succeeded = true;
291 } 291 }
292 292
293 theScanner->Draw(colorR[iCoord],colorG[i 293 theScanner->Draw(colorR[iCoord],colorG[iCoord],colorB[iCoord]);
294 294
295 delete anEvent; 295 delete anEvent;
296 if(!succeeded) return false; 296 if(!succeeded) return false;
297 } 297 }
298 298
299 theStateMan->SetNewState(G4State_Idle); 299 theStateMan->SetNewState(G4State_Idle);
300 visMan->IgnoreStateChanges(false); 300 visMan->IgnoreStateChanges(false);
301 return true; 301 return true;
302 } 302 }
303 303
304 void G4TheRayTracer::CreateFigureFile(const G4 304 void G4TheRayTracer::CreateFigureFile(const G4String& fileName)
305 { 305 {
306 //G4cout << nColumn << " " << nRow << G4endl 306 //G4cout << nColumn << " " << nRow << G4endl;
307 theFigMaker->CreateFigureFile(fileName,nColu 307 theFigMaker->CreateFigureFile(fileName,nColumn,nRow,colorR,colorG,colorB);
308 } 308 }
309 309
310 G4bool G4TheRayTracer::GenerateColour(G4Event* 310 G4bool G4TheRayTracer::GenerateColour(G4Event* anEvent)
311 { 311 {
312 G4TrajectoryContainer * trajectoryContainer 312 G4TrajectoryContainer * trajectoryContainer = anEvent->GetTrajectoryContainer();
313 313
314 G4RayTrajectory* trajectory = (G4RayTrajecto 314 G4RayTrajectory* trajectory = (G4RayTrajectory*)( (*trajectoryContainer)[0] );
315 if(!trajectory) return false; 315 if(!trajectory) return false;
316 316
317 G4int nPoint = trajectory->GetPointEntries() 317 G4int nPoint = trajectory->GetPointEntries();
318 if(nPoint==0) return false; 318 if(nPoint==0) return false;
319 319
320 G4Colour initialColour(backgroundColour); 320 G4Colour initialColour(backgroundColour);
321 if( trajectory->GetPointC(nPoint-1)->GetPost 321 if( trajectory->GetPointC(nPoint-1)->GetPostStepAtt() )
322 { initialColour = GetSurfaceColour(trajector 322 { initialColour = GetSurfaceColour(trajectory->GetPointC(nPoint-1)); }
323 rayColour = Attenuate(trajectory->GetPointC( 323 rayColour = Attenuate(trajectory->GetPointC(nPoint-1),initialColour);
324 324
325 for(G4int i=nPoint-2;i>=0;--i) 325 for(G4int i=nPoint-2;i>=0;--i)
326 { 326 {
327 G4Colour surfaceColour = GetSurfaceColour( 327 G4Colour surfaceColour = GetSurfaceColour(trajectory->GetPointC(i));
328 G4double weight = 1.0 - surfaceColour.GetA 328 G4double weight = 1.0 - surfaceColour.GetAlpha();
329 G4Colour mixedColour = GetMixedColour(rayC 329 G4Colour mixedColour = GetMixedColour(rayColour,surfaceColour,weight);
330 rayColour = Attenuate(trajectory->GetPoint 330 rayColour = Attenuate(trajectory->GetPointC(i),mixedColour);
331 } 331 }
332 332
333 return true; 333 return true;
334 } 334 }
335 335
336 G4Colour G4TheRayTracer::GetMixedColour 336 G4Colour G4TheRayTracer::GetMixedColour
337 (const G4Colour& surfCol,const G4Colour& trans 337 (const G4Colour& surfCol,const G4Colour& transCol,G4double weight)
338 { 338 {
339 G4double red = weight*surfCol.GetRed() + ( 339 G4double red = weight*surfCol.GetRed() + (1.-weight)*transCol.GetRed();
340 G4double green = weight*surfCol.GetGreen() + 340 G4double green = weight*surfCol.GetGreen() + (1.-weight)*transCol.GetGreen();
341 G4double blue = weight*surfCol.GetBlue() + 341 G4double blue = weight*surfCol.GetBlue() + (1.-weight)*transCol.GetBlue();
342 G4double alpha = weight*surfCol.GetAlpha() + 342 G4double alpha = weight*surfCol.GetAlpha() + (1.-weight)*transCol.GetAlpha();
343 return G4Colour(red,green,blue,alpha); 343 return G4Colour(red,green,blue,alpha);
344 } 344 }
345 345
346 G4Colour G4TheRayTracer::GetSurfaceColour(G4Ra 346 G4Colour G4TheRayTracer::GetSurfaceColour(G4RayTrajectoryPoint* point)
347 { 347 {
348 const G4VisAttributes* preAtt = point->GetPr 348 const G4VisAttributes* preAtt = point->GetPreStepAtt();
349 const G4VisAttributes* postAtt = point->GetP 349 const G4VisAttributes* postAtt = point->GetPostStepAtt();
350 350
351 G4bool preVis = ValidColour(preAtt); 351 G4bool preVis = ValidColour(preAtt);
352 G4bool postVis = ValidColour(postAtt); 352 G4bool postVis = ValidColour(postAtt);
353 353
354 G4Colour transparent(1.,1.,1.,0.); 354 G4Colour transparent(1.,1.,1.,0.);
355 355
356 if(!preVis&&!postVis) return transparent; 356 if(!preVis&&!postVis) return transparent;
357 357
358 G4ThreeVector normal = point->GetSurfaceNorm 358 G4ThreeVector normal = point->GetSurfaceNormal();
359 359
360 G4Colour preCol(1.,1.,1.); 360 G4Colour preCol(1.,1.,1.);
361 G4Colour postCol(1.,1.,1.); 361 G4Colour postCol(1.,1.,1.);
362 362
363 if(preVis) 363 if(preVis)
364 { 364 {
365 const G4Colour& preAttColour = preAtt->Get 365 const G4Colour& preAttColour = preAtt->GetColour();
366 G4double brill = (1.0-(-lightDirection).do 366 G4double brill = (1.0-(-lightDirection).dot(normal))/2.0;
367 G4double red = preAttColour.GetRed(); 367 G4double red = preAttColour.GetRed();
368 G4double green = preAttColour.GetGreen(); 368 G4double green = preAttColour.GetGreen();
369 G4double blue = preAttColour.GetBlue(); 369 G4double blue = preAttColour.GetBlue();
370 preCol = G4Colour 370 preCol = G4Colour
371 (red*brill,green*brill,blue*brill,preAtt 371 (red*brill,green*brill,blue*brill,preAttColour.GetAlpha());
372 } 372 }
373 else 373 else
374 { preCol = transparent; } 374 { preCol = transparent; }
375 375
376 if(postVis) 376 if(postVis)
377 { 377 {
378 const G4Colour& postAttColour = postAtt->G 378 const G4Colour& postAttColour = postAtt->GetColour();
379 G4double brill = (1.0-(-lightDirection).do 379 G4double brill = (1.0-(-lightDirection).dot(-normal))/2.0;
380 G4double red = postAttColour.GetRed(); 380 G4double red = postAttColour.GetRed();
381 G4double green = postAttColour.GetGreen(); 381 G4double green = postAttColour.GetGreen();
382 G4double blue = postAttColour.GetBlue(); 382 G4double blue = postAttColour.GetBlue();
383 postCol = G4Colour 383 postCol = G4Colour
384 (red*brill,green*brill,blue*brill,postAt 384 (red*brill,green*brill,blue*brill,postAttColour.GetAlpha());
385 } 385 }
386 else 386 else
387 { postCol = transparent; } 387 { postCol = transparent; }
388 388
389 if(!preVis) return postCol; 389 if(!preVis) return postCol;
390 if(!postVis) return preCol; 390 if(!postVis) return preCol;
391 391
392 G4double weight = 0.5; 392 G4double weight = 0.5;
393 return GetMixedColour(preCol,postCol,weight) 393 return GetMixedColour(preCol,postCol,weight);
394 } 394 }
395 395
396 G4Colour G4TheRayTracer::Attenuate 396 G4Colour G4TheRayTracer::Attenuate
397 (G4RayTrajectoryPoint* point,const G4Colour& s 397 (G4RayTrajectoryPoint* point,const G4Colour& sourceCol)
398 { 398 {
399 const G4VisAttributes* preAtt = point->GetPr 399 const G4VisAttributes* preAtt = point->GetPreStepAtt();
400 400
401 G4bool visible = ValidColour(preAtt); 401 G4bool visible = ValidColour(preAtt);
402 if(!visible) return sourceCol; 402 if(!visible) return sourceCol;
403 403
404 G4Colour objCol = preAtt->GetColour(); 404 G4Colour objCol = preAtt->GetColour();
405 G4double stepRed = objCol.GetRed(); 405 G4double stepRed = objCol.GetRed();
406 G4double stepGreen = objCol.GetGreen(); 406 G4double stepGreen = objCol.GetGreen();
407 G4double stepBlue = objCol.GetBlue(); 407 G4double stepBlue = objCol.GetBlue();
408 G4double stepAlpha = objCol.GetAlpha(); 408 G4double stepAlpha = objCol.GetAlpha();
409 G4double stepLength = point->GetStepLength() 409 G4double stepLength = point->GetStepLength();
410 410
411 G4double attenuationFuctor; 411 G4double attenuationFuctor;
412 if(stepAlpha > 0.9999999){ stepAlpha = 0.999 412 if(stepAlpha > 0.9999999){ stepAlpha = 0.9999999; } // patch to the next line
413 attenuationFuctor = -stepAlpha/(1.0-stepAl 413 attenuationFuctor = -stepAlpha/(1.0-stepAlpha)*stepLength/attenuationLength;
414 414
415 G4double KtRed = std::exp((1.0-stepRed)*atte 415 G4double KtRed = std::exp((1.0-stepRed)*attenuationFuctor);
416 G4double KtGreen = std::exp((1.0-stepGreen)* 416 G4double KtGreen = std::exp((1.0-stepGreen)*attenuationFuctor);
417 G4double KtBlue = std::exp((1.0-stepBlue)*at 417 G4double KtBlue = std::exp((1.0-stepBlue)*attenuationFuctor);
418 if(KtRed>1.0){KtRed=1.0;} 418 if(KtRed>1.0){KtRed=1.0;}
419 if(KtGreen>1.0){KtGreen=1.0;} 419 if(KtGreen>1.0){KtGreen=1.0;}
420 if(KtBlue>1.0){KtBlue=1.0;} 420 if(KtBlue>1.0){KtBlue=1.0;}
421 return G4Colour(sourceCol.GetRed()*KtRed, 421 return G4Colour(sourceCol.GetRed()*KtRed,
422 sourceCol.GetGreen()*KtGreen,sourceCol.Get 422 sourceCol.GetGreen()*KtGreen,sourceCol.GetBlue()*KtBlue);
423 } 423 }
424 424
425 G4bool G4TheRayTracer::ValidColour(const G4Vis 425 G4bool G4TheRayTracer::ValidColour(const G4VisAttributes* visAtt)
426 { 426 {
427 G4bool val = true; 427 G4bool val = true;
428 if(!visAtt) 428 if(!visAtt)
429 { val = false; } 429 { val = false; }
430 else if(!(visAtt->IsVisible())) 430 else if(!(visAtt->IsVisible()))
431 { val = false; } 431 { val = false; }
432 else if(visAtt->IsForceDrawingStyle() 432 else if(visAtt->IsForceDrawingStyle()
433 &&(visAtt->GetForcedDrawingStyle()==G4VisA 433 &&(visAtt->GetForcedDrawingStyle()==G4VisAttributes::wireframe))
434 { val = false; } 434 { val = false; }
435 return val; 435 return val;
436 } 436 }
437 437
438 438