| 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 *
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10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
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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 *
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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 <<
58 <<
59 G4VFigureFileMaker * G4TheRayTracer::theFigMak <<
60 G4VRTScanner * G4TheRayTracer::theScanner = 0; <<
61 <<
62 G4TheRayTracer::G4TheRayTracer(G4VFigureFileMa 57 G4TheRayTracer::G4TheRayTracer(G4VFigureFileMaker* figMaker,
63 G4VRTScanner* scanner) 58 G4VRTScanner* scanner)
64 { 59 {
65 theFigMaker = figMaker; 60 theFigMaker = figMaker;
66 if(!theFigMaker) theFigMaker = new G4RTJpegM 61 if(!theFigMaker) theFigMaker = new G4RTJpegMaker;
67 theScanner = scanner; 62 theScanner = scanner;
68 if(!theScanner) theScanner = new G4RTSimpleS 63 if(!theScanner) theScanner = new G4RTSimpleScanner;
69 theRayShooter = new G4RayShooter(); 64 theRayShooter = new G4RayShooter();
70 theUserEventAction = 0; 65 theUserEventAction = 0;
71 theUserStackingAction = 0; 66 theUserStackingAction = 0;
72 theUserTrackingAction = 0; 67 theUserTrackingAction = 0;
73 theUserSteppingAction = 0; 68 theUserSteppingAction = 0;
74 theRayTracerEventAction = 0; 69 theRayTracerEventAction = 0;
75 theRayTracerStackingAction = 0; 70 theRayTracerStackingAction = 0;
76 theRayTracerTrackingAction = 0; 71 theRayTracerTrackingAction = 0;
77 theRayTracerSteppingAction = 0; 72 theRayTracerSteppingAction = 0;
78 colorR = 0; 73 colorR = 0;
79 colorG = 0; 74 colorG = 0;
80 colorB = 0; 75 colorB = 0;
81 76
82 theMessenger = G4RTMessenger::GetInstance(th 77 theMessenger = G4RTMessenger::GetInstance(this);
83 theEventManager = G4EventManager::GetEventMa 78 theEventManager = G4EventManager::GetEventManager();
84 79
85 nColumn = 640; 80 nColumn = 640;
86 nRow = 640; 81 nRow = 640;
87 82
88 eyePosition = G4ThreeVector(1.*m,1.*m,1.*m); 83 eyePosition = G4ThreeVector(1.*m,1.*m,1.*m);
89 targetPosition = G4ThreeVector(0.,0.,0.); 84 targetPosition = G4ThreeVector(0.,0.,0.);
90 lightDirection = G4ThreeVector(-0.1,-0.2,-0. 85 lightDirection = G4ThreeVector(-0.1,-0.2,-0.3).unit();
91 up = G4ThreeVector(0,1,0); 86 up = G4ThreeVector(0,1,0);
92 viewSpan = 5.0*deg; 87 viewSpan = 5.0*deg;
93 headAngle = 0.; 88 headAngle = 0.;
94 attenuationLength = 1.0*m; 89 attenuationLength = 1.0*m;
95 90
96 distortionOn = false; 91 distortionOn = false;
97 antialiasingOn = false; 92 antialiasingOn = false;
98 93
99 backgroundColour = G4Colour(1.,1.,1.); 94 backgroundColour = G4Colour(1.,1.,1.);
100 } 95 }
101 96
102 G4TheRayTracer::~G4TheRayTracer() 97 G4TheRayTracer::~G4TheRayTracer()
103 { 98 {
104 delete theRayShooter; 99 delete theRayShooter;
105 if(theRayTracerTrackingAction) delete theRay 100 if(theRayTracerTrackingAction) delete theRayTracerTrackingAction;
106 if(theRayTracerSteppingAction) delete theRay 101 if(theRayTracerSteppingAction) delete theRayTracerSteppingAction;
107 delete theMessenger; 102 delete theMessenger;
108 delete theScanner; 103 delete theScanner;
109 delete theFigMaker; 104 delete theFigMaker;
110 } 105 }
111 106
112 void G4TheRayTracer::Trace(const G4String& fil 107 void G4TheRayTracer::Trace(const G4String& fileName)
113 { 108 {
114 G4StateManager* theStateMan = G4StateManager 109 G4StateManager* theStateMan = G4StateManager::GetStateManager();
115 G4ApplicationState currentState = theStateMa 110 G4ApplicationState currentState = theStateMan->GetCurrentState();
116 if(currentState!=G4State_Idle) 111 if(currentState!=G4State_Idle)
117 { 112 {
118 G4warn << "Illegal application state - Tra << 113 G4cerr << "Illegal application state - Trace() ignored." << G4endl;
119 return; 114 return;
120 } 115 }
121 116
122 if(!theFigMaker) 117 if(!theFigMaker)
123 { 118 {
124 G4warn << "Figure file maker class is not << 119 G4cerr << "Figure file maker class is not specified - Trace() ignored." << G4endl;
125 return; 120 return;
126 } 121 }
127 122
128 G4UImanager* UI = G4UImanager::GetUIpointer( 123 G4UImanager* UI = G4UImanager::GetUIpointer();
129 G4int storeTrajectory = UI->GetCurrentIntVal 124 G4int storeTrajectory = UI->GetCurrentIntValue("/tracking/storeTrajectory");
130 if(storeTrajectory==0) UI->ApplyCommand("/tr 125 if(storeTrajectory==0) UI->ApplyCommand("/tracking/storeTrajectory 1");
131 126
132 127
133 G4ThreeVector tmpVec = targetPosition - eyeP 128 G4ThreeVector tmpVec = targetPosition - eyePosition;
134 eyeDirection = tmpVec.unit(); 129 eyeDirection = tmpVec.unit();
135 colorR = new unsigned char[nColumn*nRow]; 130 colorR = new unsigned char[nColumn*nRow];
136 colorG = new unsigned char[nColumn*nRow]; 131 colorG = new unsigned char[nColumn*nRow];
137 colorB = new unsigned char[nColumn*nRow]; 132 colorB = new unsigned char[nColumn*nRow];
138 133
139 StoreUserActions(); 134 StoreUserActions();
140 G4bool succeeded = CreateBitMap(); 135 G4bool succeeded = CreateBitMap();
141 if(succeeded) 136 if(succeeded)
142 { CreateFigureFile(fileName); } 137 { CreateFigureFile(fileName); }
143 else 138 else
144 { G4warn << "Could not create figure file" < << 139 { G4cerr << "Could not create figure file" << G4endl;
145 G4warn << "You might set the eye position << 140 G4cerr << "You might set the eye position outside of the world volume" << G4endl; }
146 RestoreUserActions(); 141 RestoreUserActions();
147 142
148 if(storeTrajectory==0) UI->ApplyCommand("/tr 143 if(storeTrajectory==0) UI->ApplyCommand("/tracking/storeTrajectory 0");
149 144
150 delete [] colorR; 145 delete [] colorR;
151 delete [] colorG; 146 delete [] colorG;
152 delete [] colorB; 147 delete [] colorB;
153 } 148 }
154 149
155 void G4TheRayTracer::StoreUserActions() 150 void G4TheRayTracer::StoreUserActions()
156 { 151 {
157 theUserEventAction = theEventManager->GetUse 152 theUserEventAction = theEventManager->GetUserEventAction();
158 theUserStackingAction = theEventManager->Get 153 theUserStackingAction = theEventManager->GetUserStackingAction();
159 theUserTrackingAction = theEventManager->Get 154 theUserTrackingAction = theEventManager->GetUserTrackingAction();
160 theUserSteppingAction = theEventManager->Get 155 theUserSteppingAction = theEventManager->GetUserSteppingAction();
161 156
162 if(!theRayTracerTrackingAction) theRayTracer 157 if(!theRayTracerTrackingAction) theRayTracerTrackingAction = new G4RTTrackingAction();
163 if(!theRayTracerSteppingAction) theRayTracer 158 if(!theRayTracerSteppingAction) theRayTracerSteppingAction = new G4RTSteppingAction();
164 159
165 theEventManager->SetUserAction(theRayTracerE 160 theEventManager->SetUserAction(theRayTracerEventAction);
166 theEventManager->SetUserAction(theRayTracerS 161 theEventManager->SetUserAction(theRayTracerStackingAction);
167 theEventManager->SetUserAction(theRayTracerT 162 theEventManager->SetUserAction(theRayTracerTrackingAction);
168 theEventManager->SetUserAction(theRayTracerS 163 theEventManager->SetUserAction(theRayTracerSteppingAction);
169 164
170 G4SDManager* theSDMan = G4SDManager::GetSDMp 165 G4SDManager* theSDMan = G4SDManager::GetSDMpointerIfExist();
171 if(theSDMan) 166 if(theSDMan)
172 { theSDMan->Activate("/",false); } 167 { theSDMan->Activate("/",false); }
173 168
174 G4GeometryManager* theGeomMan = G4GeometryMa 169 G4GeometryManager* theGeomMan = G4GeometryManager::GetInstance();
175 theGeomMan->OpenGeometry(); 170 theGeomMan->OpenGeometry();
176 theGeomMan->CloseGeometry(true); 171 theGeomMan->CloseGeometry(true);
177 } 172 }
178 173
179 void G4TheRayTracer::RestoreUserActions() 174 void G4TheRayTracer::RestoreUserActions()
180 { 175 {
181 theEventManager->SetUserAction(theUserEventA 176 theEventManager->SetUserAction(theUserEventAction);
182 theEventManager->SetUserAction(theUserStacki 177 theEventManager->SetUserAction(theUserStackingAction);
183 theEventManager->SetUserAction(theUserTracki 178 theEventManager->SetUserAction(theUserTrackingAction);
184 theEventManager->SetUserAction(theUserSteppi 179 theEventManager->SetUserAction(theUserSteppingAction);
185 180
186 G4SDManager* theSDMan = G4SDManager::GetSDMp 181 G4SDManager* theSDMan = G4SDManager::GetSDMpointerIfExist();
187 if(theSDMan) 182 if(theSDMan)
188 { theSDMan->Activate("/",true); } 183 { theSDMan->Activate("/",true); }
189 } 184 }
190 185
191 #include "G4ProcessManager.hh" 186 #include "G4ProcessManager.hh"
192 #include "G4ProcessVector.hh" 187 #include "G4ProcessVector.hh"
193 #include "G4Geantino.hh" 188 #include "G4Geantino.hh"
194 189
195 G4bool G4TheRayTracer::CreateBitMap() 190 G4bool G4TheRayTracer::CreateBitMap()
196 { 191 {
197 G4int iEvent = 0; 192 G4int iEvent = 0;
198 G4double stepAngle = viewSpan/100.; 193 G4double stepAngle = viewSpan/100.;
199 G4double viewSpanX = stepAngle*nColumn; 194 G4double viewSpanX = stepAngle*nColumn;
200 G4double viewSpanY = stepAngle*nRow; 195 G4double viewSpanY = stepAngle*nRow;
201 G4bool succeeded; 196 G4bool succeeded;
202 197
203 G4VVisManager* visMan = G4VVisManager::GetCo 198 G4VVisManager* visMan = G4VVisManager::GetConcreteInstance();
204 visMan->IgnoreStateChanges(true); 199 visMan->IgnoreStateChanges(true);
205 200
206 // Confirm process(es) of Geantino is initiali 201 // Confirm process(es) of Geantino is initialized
207 G4VPhysicalVolume* pWorld = 202 G4VPhysicalVolume* pWorld =
208 G4TransportationManager::GetTransportationMa 203 G4TransportationManager::GetTransportationManager()->
209 GetNavigatorForTracking()->GetWorldVolume(); 204 GetNavigatorForTracking()->GetWorldVolume();
210 G4RegionStore::GetInstance()->UpdateMaterial 205 G4RegionStore::GetInstance()->UpdateMaterialList(pWorld);
211 G4ProductionCutsTable::GetProductionCutsTabl 206 G4ProductionCutsTable::GetProductionCutsTable()->UpdateCoupleTable(pWorld);
212 G4ProcessVector* pVector 207 G4ProcessVector* pVector
213 = G4Geantino::GeantinoDefinition()->GetPro 208 = G4Geantino::GeantinoDefinition()->GetProcessManager()->GetProcessList();
214 for (G4int j=0; j < (G4int)pVector->size(); << 209 for (std::size_t j=0; j < pVector->size(); ++j) {
215 (*pVector)[j]->BuildPhysicsTable(*(G4Gea 210 (*pVector)[j]->BuildPhysicsTable(*(G4Geantino::GeantinoDefinition()));
216 } 211 }
217 212
218 // Close geometry and set the application stat 213 // Close geometry and set the application state
219 G4GeometryManager* geomManager = G4GeometryM 214 G4GeometryManager* geomManager = G4GeometryManager::GetInstance();
220 geomManager->OpenGeometry(); 215 geomManager->OpenGeometry();
221 geomManager->CloseGeometry(1,0); 216 geomManager->CloseGeometry(1,0);
222 217
223 G4ThreeVector center(0,0,0); 218 G4ThreeVector center(0,0,0);
224 G4Navigator* navigator = 219 G4Navigator* navigator =
225 G4TransportationManager::GetTransportati 220 G4TransportationManager::GetTransportationManager()->GetNavigatorForTracking();
226 navigator->LocateGlobalPointAndSetup(center, 221 navigator->LocateGlobalPointAndSetup(center,0,false);
227 222
228 G4StateManager* theStateMan = G4StateManager 223 G4StateManager* theStateMan = G4StateManager::GetStateManager();
229 theStateMan->SetNewState(G4State_GeomClosed) 224 theStateMan->SetNewState(G4State_GeomClosed);
230 225
231 // Event loop 226 // Event loop
232 theScanner->Initialize(nRow,nColumn); 227 theScanner->Initialize(nRow,nColumn);
233 G4int iRow, iColumn; 228 G4int iRow, iColumn;
234 while (theScanner->Coords(iRow,iColumn)) { 229 while (theScanner->Coords(iRow,iColumn)) {
235 G4int iCoord = iRow * nColumn + iColumn; 230 G4int iCoord = iRow * nColumn + iColumn;
236 G4double dRow = 0, dColumn = 0; // Anti 231 G4double dRow = 0, dColumn = 0; // Antialiasing increments.
237 G4Event* anEvent = new G4Event(iEvent++) 232 G4Event* anEvent = new G4Event(iEvent++);
238 G4double angleX = -(viewSpanX/2. - (iCol 233 G4double angleX = -(viewSpanX/2. - (iColumn+dColumn)*stepAngle);
239 G4double angleY = viewSpanY/2. - (iRow+d 234 G4double angleY = viewSpanY/2. - (iRow+dRow)*stepAngle;
240 G4ThreeVector rayDirection; 235 G4ThreeVector rayDirection;
241 if(distortionOn) 236 if(distortionOn)
242 { 237 {
243 rayDirection = G4ThreeVector(-std::tan(angle 238 rayDirection = G4ThreeVector(-std::tan(angleX)/std::cos(angleY),std::tan(angleY)/std::cos(angleX),1.0);
244 } 239 }
245 else 240 else
246 { 241 {
247 rayDirection = G4ThreeVector(-std::tan(angle 242 rayDirection = G4ThreeVector(-std::tan(angleX),std::tan(angleY),1.0);
248 } 243 }
249 G4double cp = std::cos(eyeDirection.phi( 244 G4double cp = std::cos(eyeDirection.phi());
250 G4double sp = std::sqrt(1.-cp*cp); 245 G4double sp = std::sqrt(1.-cp*cp);
251 G4double ct = std::cos(eyeDirection.thet 246 G4double ct = std::cos(eyeDirection.theta());
252 G4double st = std::sqrt(1.-ct*ct); 247 G4double st = std::sqrt(1.-ct*ct);
253 G4double gamma = std::atan2(ct*cp*up.x() 248 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); 249 rayDirection.rotateZ(-gamma);
255 rayDirection.rotateZ(headAngle); 250 rayDirection.rotateZ(headAngle);
256 rayDirection.rotateUz(eyeDirection); 251 rayDirection.rotateUz(eyeDirection);
257 G4ThreeVector rayPosition(eyePosition); 252 G4ThreeVector rayPosition(eyePosition);
258 G4bool interceptable = true; 253 G4bool interceptable = true;
259 // Check if rayPosition is in the world. 254 // Check if rayPosition is in the world.
260 EInside whereisit = 255 EInside whereisit =
261 pWorld->GetLogicalVolume()->GetSolid()->Insi 256 pWorld->GetLogicalVolume()->GetSolid()->Inside(rayPosition);
262 if (whereisit != kInside) { 257 if (whereisit != kInside) {
263 // It's outside the world, so move it inside 258 // It's outside the world, so move it inside.
264 G4double outsideDistance = 259 G4double outsideDistance =
265 pWorld->GetLogicalVolume()->GetSolid()-> 260 pWorld->GetLogicalVolume()->GetSolid()->
266 DistanceToIn(rayPosition,rayDirection); 261 DistanceToIn(rayPosition,rayDirection);
267 if (outsideDistance != kInfinity) { 262 if (outsideDistance != kInfinity) {
268 // Borrowing from geometry, where 1e-8 < e 263 // Borrowing from geometry, where 1e-8 < epsilon < 1e-3, in
269 // absolute/internal length units, is used 264 // absolute/internal length units, is used for ensuring good
270 // behaviour, choose to add 0.001 to ensur 265 // behaviour, choose to add 0.001 to ensure rayPosition is
271 // definitely inside the world volume (JA 266 // definitely inside the world volume (JA 16/9/2005)...
272 rayPosition = rayPosition+(outsideDistance 267 rayPosition = rayPosition+(outsideDistance+0.001)*rayDirection;
273 } 268 }
274 else { 269 else {
275 interceptable = false; 270 interceptable = false;
276 } 271 }
277 } 272 }
278 if (interceptable) { 273 if (interceptable) {
279 theRayShooter->Shoot(anEvent,rayPosition,ray 274 theRayShooter->Shoot(anEvent,rayPosition,rayDirection.unit());
280 theEventManager->ProcessOneEvent(anEvent); 275 theEventManager->ProcessOneEvent(anEvent);
281 succeeded = GenerateColour(anEvent); 276 succeeded = GenerateColour(anEvent);
282 colorR[iCoord] = (unsigned char)(G4int(255*r 277 colorR[iCoord] = (unsigned char)(G4int(255*rayColour.GetRed()));
283 colorG[iCoord] = (unsigned char)(G4int(255*r 278 colorG[iCoord] = (unsigned char)(G4int(255*rayColour.GetGreen()));
284 colorB[iCoord] = (unsigned char)(G4int(255*r 279 colorB[iCoord] = (unsigned char)(G4int(255*rayColour.GetBlue()));
285 } else { // Ray does not intercept worl 280 } else { // Ray does not intercept world at all.
286 // Store background colour... 281 // Store background colour...
287 colorR[iCoord] = (unsigned char)(G4int(255*b 282 colorR[iCoord] = (unsigned char)(G4int(255*backgroundColour.GetRed()));
288 colorG[iCoord] = (unsigned char)(G4int(255*b 283 colorG[iCoord] = (unsigned char)(G4int(255*backgroundColour.GetGreen()));
289 colorB[iCoord] = (unsigned char)(G4int(255*b 284 colorB[iCoord] = (unsigned char)(G4int(255*backgroundColour.GetBlue()));
290 succeeded = true; 285 succeeded = true;
291 } 286 }
292 287
293 theScanner->Draw(colorR[iCoord],colorG[i 288 theScanner->Draw(colorR[iCoord],colorG[iCoord],colorB[iCoord]);
294 289
295 delete anEvent; 290 delete anEvent;
296 if(!succeeded) return false; 291 if(!succeeded) return false;
297 } 292 }
298 293
299 theStateMan->SetNewState(G4State_Idle); 294 theStateMan->SetNewState(G4State_Idle);
300 visMan->IgnoreStateChanges(false); 295 visMan->IgnoreStateChanges(false);
301 return true; 296 return true;
302 } 297 }
303 298
304 void G4TheRayTracer::CreateFigureFile(const G4 299 void G4TheRayTracer::CreateFigureFile(const G4String& fileName)
305 { 300 {
306 //G4cout << nColumn << " " << nRow << G4endl 301 //G4cout << nColumn << " " << nRow << G4endl;
307 theFigMaker->CreateFigureFile(fileName,nColu 302 theFigMaker->CreateFigureFile(fileName,nColumn,nRow,colorR,colorG,colorB);
308 } 303 }
309 304
310 G4bool G4TheRayTracer::GenerateColour(G4Event* 305 G4bool G4TheRayTracer::GenerateColour(G4Event* anEvent)
311 { 306 {
312 G4TrajectoryContainer * trajectoryContainer 307 G4TrajectoryContainer * trajectoryContainer = anEvent->GetTrajectoryContainer();
313 308
314 G4RayTrajectory* trajectory = (G4RayTrajecto 309 G4RayTrajectory* trajectory = (G4RayTrajectory*)( (*trajectoryContainer)[0] );
315 if(!trajectory) return false; 310 if(!trajectory) return false;
316 311
317 G4int nPoint = trajectory->GetPointEntries() 312 G4int nPoint = trajectory->GetPointEntries();
318 if(nPoint==0) return false; 313 if(nPoint==0) return false;
319 314
320 G4Colour initialColour(backgroundColour); 315 G4Colour initialColour(backgroundColour);
321 if( trajectory->GetPointC(nPoint-1)->GetPost 316 if( trajectory->GetPointC(nPoint-1)->GetPostStepAtt() )
322 { initialColour = GetSurfaceColour(trajector 317 { initialColour = GetSurfaceColour(trajectory->GetPointC(nPoint-1)); }
323 rayColour = Attenuate(trajectory->GetPointC( 318 rayColour = Attenuate(trajectory->GetPointC(nPoint-1),initialColour);
324 319
325 for(G4int i=nPoint-2;i>=0;--i) 320 for(G4int i=nPoint-2;i>=0;--i)
326 { 321 {
327 G4Colour surfaceColour = GetSurfaceColour( 322 G4Colour surfaceColour = GetSurfaceColour(trajectory->GetPointC(i));
328 G4double weight = 1.0 - surfaceColour.GetA 323 G4double weight = 1.0 - surfaceColour.GetAlpha();
329 G4Colour mixedColour = GetMixedColour(rayC 324 G4Colour mixedColour = GetMixedColour(rayColour,surfaceColour,weight);
330 rayColour = Attenuate(trajectory->GetPoint 325 rayColour = Attenuate(trajectory->GetPointC(i),mixedColour);
331 } 326 }
332 327
333 return true; 328 return true;
334 } 329 }
335 330
336 G4Colour G4TheRayTracer::GetMixedColour 331 G4Colour G4TheRayTracer::GetMixedColour
337 (const G4Colour& surfCol,const G4Colour& trans 332 (const G4Colour& surfCol,const G4Colour& transCol,G4double weight)
338 { 333 {
339 G4double red = weight*surfCol.GetRed() + ( 334 G4double red = weight*surfCol.GetRed() + (1.-weight)*transCol.GetRed();
340 G4double green = weight*surfCol.GetGreen() + 335 G4double green = weight*surfCol.GetGreen() + (1.-weight)*transCol.GetGreen();
341 G4double blue = weight*surfCol.GetBlue() + 336 G4double blue = weight*surfCol.GetBlue() + (1.-weight)*transCol.GetBlue();
342 G4double alpha = weight*surfCol.GetAlpha() + 337 G4double alpha = weight*surfCol.GetAlpha() + (1.-weight)*transCol.GetAlpha();
343 return G4Colour(red,green,blue,alpha); 338 return G4Colour(red,green,blue,alpha);
344 } 339 }
345 340
346 G4Colour G4TheRayTracer::GetSurfaceColour(G4Ra 341 G4Colour G4TheRayTracer::GetSurfaceColour(G4RayTrajectoryPoint* point)
347 { 342 {
348 const G4VisAttributes* preAtt = point->GetPr 343 const G4VisAttributes* preAtt = point->GetPreStepAtt();
349 const G4VisAttributes* postAtt = point->GetP 344 const G4VisAttributes* postAtt = point->GetPostStepAtt();
350 345
351 G4bool preVis = ValidColour(preAtt); 346 G4bool preVis = ValidColour(preAtt);
352 G4bool postVis = ValidColour(postAtt); 347 G4bool postVis = ValidColour(postAtt);
353 348
354 G4Colour transparent(1.,1.,1.,0.); 349 G4Colour transparent(1.,1.,1.,0.);
355 350
356 if(!preVis&&!postVis) return transparent; 351 if(!preVis&&!postVis) return transparent;
357 352
358 G4ThreeVector normal = point->GetSurfaceNorm 353 G4ThreeVector normal = point->GetSurfaceNormal();
359 354
360 G4Colour preCol(1.,1.,1.); 355 G4Colour preCol(1.,1.,1.);
361 G4Colour postCol(1.,1.,1.); 356 G4Colour postCol(1.,1.,1.);
362 357
363 if(preVis) 358 if(preVis)
364 { 359 {
365 const G4Colour& preAttColour = preAtt->Get 360 const G4Colour& preAttColour = preAtt->GetColour();
366 G4double brill = (1.0-(-lightDirection).do 361 G4double brill = (1.0-(-lightDirection).dot(normal))/2.0;
367 G4double red = preAttColour.GetRed(); 362 G4double red = preAttColour.GetRed();
368 G4double green = preAttColour.GetGreen(); 363 G4double green = preAttColour.GetGreen();
369 G4double blue = preAttColour.GetBlue(); 364 G4double blue = preAttColour.GetBlue();
370 preCol = G4Colour 365 preCol = G4Colour
371 (red*brill,green*brill,blue*brill,preAtt 366 (red*brill,green*brill,blue*brill,preAttColour.GetAlpha());
372 } 367 }
373 else 368 else
374 { preCol = transparent; } 369 { preCol = transparent; }
375 370
376 if(postVis) 371 if(postVis)
377 { 372 {
378 const G4Colour& postAttColour = postAtt->G 373 const G4Colour& postAttColour = postAtt->GetColour();
379 G4double brill = (1.0-(-lightDirection).do 374 G4double brill = (1.0-(-lightDirection).dot(-normal))/2.0;
380 G4double red = postAttColour.GetRed(); 375 G4double red = postAttColour.GetRed();
381 G4double green = postAttColour.GetGreen(); 376 G4double green = postAttColour.GetGreen();
382 G4double blue = postAttColour.GetBlue(); 377 G4double blue = postAttColour.GetBlue();
383 postCol = G4Colour 378 postCol = G4Colour
384 (red*brill,green*brill,blue*brill,postAt 379 (red*brill,green*brill,blue*brill,postAttColour.GetAlpha());
385 } 380 }
386 else 381 else
387 { postCol = transparent; } 382 { postCol = transparent; }
388 383
389 if(!preVis) return postCol; 384 if(!preVis) return postCol;
390 if(!postVis) return preCol; 385 if(!postVis) return preCol;
391 386
392 G4double weight = 0.5; 387 G4double weight = 0.5;
393 return GetMixedColour(preCol,postCol,weight) 388 return GetMixedColour(preCol,postCol,weight);
394 } 389 }
395 390
396 G4Colour G4TheRayTracer::Attenuate 391 G4Colour G4TheRayTracer::Attenuate
397 (G4RayTrajectoryPoint* point,const G4Colour& s 392 (G4RayTrajectoryPoint* point,const G4Colour& sourceCol)
398 { 393 {
399 const G4VisAttributes* preAtt = point->GetPr 394 const G4VisAttributes* preAtt = point->GetPreStepAtt();
400 395
401 G4bool visible = ValidColour(preAtt); 396 G4bool visible = ValidColour(preAtt);
402 if(!visible) return sourceCol; 397 if(!visible) return sourceCol;
403 398
404 G4Colour objCol = preAtt->GetColour(); 399 G4Colour objCol = preAtt->GetColour();
405 G4double stepRed = objCol.GetRed(); 400 G4double stepRed = objCol.GetRed();
406 G4double stepGreen = objCol.GetGreen(); 401 G4double stepGreen = objCol.GetGreen();
407 G4double stepBlue = objCol.GetBlue(); 402 G4double stepBlue = objCol.GetBlue();
408 G4double stepAlpha = objCol.GetAlpha(); 403 G4double stepAlpha = objCol.GetAlpha();
409 G4double stepLength = point->GetStepLength() 404 G4double stepLength = point->GetStepLength();
410 405
411 G4double attenuationFuctor; 406 G4double attenuationFuctor;
412 if(stepAlpha > 0.9999999){ stepAlpha = 0.999 407 if(stepAlpha > 0.9999999){ stepAlpha = 0.9999999; } // patch to the next line
413 attenuationFuctor = -stepAlpha/(1.0-stepAl 408 attenuationFuctor = -stepAlpha/(1.0-stepAlpha)*stepLength/attenuationLength;
414 409
415 G4double KtRed = std::exp((1.0-stepRed)*atte 410 G4double KtRed = std::exp((1.0-stepRed)*attenuationFuctor);
416 G4double KtGreen = std::exp((1.0-stepGreen)* 411 G4double KtGreen = std::exp((1.0-stepGreen)*attenuationFuctor);
417 G4double KtBlue = std::exp((1.0-stepBlue)*at 412 G4double KtBlue = std::exp((1.0-stepBlue)*attenuationFuctor);
418 if(KtRed>1.0){KtRed=1.0;} 413 if(KtRed>1.0){KtRed=1.0;}
419 if(KtGreen>1.0){KtGreen=1.0;} 414 if(KtGreen>1.0){KtGreen=1.0;}
420 if(KtBlue>1.0){KtBlue=1.0;} 415 if(KtBlue>1.0){KtBlue=1.0;}
421 return G4Colour(sourceCol.GetRed()*KtRed, 416 return G4Colour(sourceCol.GetRed()*KtRed,
422 sourceCol.GetGreen()*KtGreen,sourceCol.Get 417 sourceCol.GetGreen()*KtGreen,sourceCol.GetBlue()*KtBlue);
423 } 418 }
424 419
425 G4bool G4TheRayTracer::ValidColour(const G4Vis 420 G4bool G4TheRayTracer::ValidColour(const G4VisAttributes* visAtt)
426 { 421 {
427 G4bool val = true; 422 G4bool val = true;
428 if(!visAtt) 423 if(!visAtt)
429 { val = false; } 424 { val = false; }
430 else if(!(visAtt->IsVisible())) 425 else if(!(visAtt->IsVisible()))
431 { val = false; } 426 { val = false; }
432 else if(visAtt->IsForceDrawingStyle() 427 else if(visAtt->IsForceDrawingStyle()
433 &&(visAtt->GetForcedDrawingStyle()==G4VisA 428 &&(visAtt->GetForcedDrawingStyle()==G4VisAttributes::wireframe))
434 { val = false; } 429 { val = false; }
435 return val; 430 return val;
436 } 431 }
437 432
438 433