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26 // 26 //
>> 27 // $Id: G4TheRayTracer.cc 77479 2013-11-25 10:01:22Z gcosmo $
27 // 28 //
28 // 29 //
29 // 30 //
30 31
31 32
32 #include "G4TheRayTracer.hh" 33 #include "G4TheRayTracer.hh"
33 #include "G4SystemOfUnits.hh" 34 #include "G4SystemOfUnits.hh"
34 #include "G4EventManager.hh" 35 #include "G4EventManager.hh"
35 #include "G4RTMessenger.hh" 36 #include "G4RTMessenger.hh"
36 #include "G4RayShooter.hh" 37 #include "G4RayShooter.hh"
37 #include "G4VFigureFileMaker.hh" 38 #include "G4VFigureFileMaker.hh"
38 #include "G4RTTrackingAction.hh" 39 #include "G4RTTrackingAction.hh"
39 #include "G4RTSteppingAction.hh" 40 #include "G4RTSteppingAction.hh"
40 #include "G4RayTrajectory.hh" 41 #include "G4RayTrajectory.hh"
41 #include "G4RayTrajectoryPoint.hh" 42 #include "G4RayTrajectoryPoint.hh"
42 #include "G4RTJpegMaker.hh" 43 #include "G4RTJpegMaker.hh"
43 #include "G4RTSimpleScanner.hh" 44 #include "G4RTSimpleScanner.hh"
44 #include "G4GeometryManager.hh" 45 #include "G4GeometryManager.hh"
45 #include "G4SDManager.hh" 46 #include "G4SDManager.hh"
46 #include "G4StateManager.hh" 47 #include "G4StateManager.hh"
47 #include "G4Event.hh" 48 #include "G4Event.hh"
48 #include "G4TrajectoryContainer.hh" 49 #include "G4TrajectoryContainer.hh"
49 #include "G4Colour.hh" 50 #include "G4Colour.hh"
50 #include "G4VisAttributes.hh" 51 #include "G4VisAttributes.hh"
51 #include "G4UImanager.hh" 52 #include "G4UImanager.hh"
52 #include "G4TransportationManager.hh" 53 #include "G4TransportationManager.hh"
53 #include "G4RegionStore.hh" 54 #include "G4RegionStore.hh"
54 #include "G4ProductionCutsTable.hh" 55 #include "G4ProductionCutsTable.hh"
55 #include "G4VVisManager.hh" 56 #include "G4VVisManager.hh"
56 57
57 #define G4warn G4cout <<
58 <<
59 G4VFigureFileMaker * G4TheRayTracer::theFigMak <<
60 G4VRTScanner * G4TheRayTracer::theScanner = 0; <<
61 <<
62 G4TheRayTracer::G4TheRayTracer(G4VFigureFileMa 58 G4TheRayTracer::G4TheRayTracer(G4VFigureFileMaker* figMaker,
63 G4VRTScanner* scanner) 59 G4VRTScanner* scanner)
64 { 60 {
65 theFigMaker = figMaker; 61 theFigMaker = figMaker;
66 if(!theFigMaker) theFigMaker = new G4RTJpegM 62 if(!theFigMaker) theFigMaker = new G4RTJpegMaker;
67 theScanner = scanner; 63 theScanner = scanner;
68 if(!theScanner) theScanner = new G4RTSimpleS 64 if(!theScanner) theScanner = new G4RTSimpleScanner;
69 theRayShooter = new G4RayShooter(); 65 theRayShooter = new G4RayShooter();
70 theUserEventAction = 0; <<
71 theUserStackingAction = 0; <<
72 theUserTrackingAction = 0; <<
73 theUserSteppingAction = 0; <<
74 theRayTracerEventAction = 0; 66 theRayTracerEventAction = 0;
75 theRayTracerStackingAction = 0; 67 theRayTracerStackingAction = 0;
76 theRayTracerTrackingAction = 0; 68 theRayTracerTrackingAction = 0;
77 theRayTracerSteppingAction = 0; 69 theRayTracerSteppingAction = 0;
78 colorR = 0; <<
79 colorG = 0; <<
80 colorB = 0; <<
81 <<
82 theMessenger = G4RTMessenger::GetInstance(th 70 theMessenger = G4RTMessenger::GetInstance(this);
83 theEventManager = G4EventManager::GetEventMa 71 theEventManager = G4EventManager::GetEventManager();
84 72
85 nColumn = 640; 73 nColumn = 640;
86 nRow = 640; 74 nRow = 640;
87 75
88 eyePosition = G4ThreeVector(1.*m,1.*m,1.*m); 76 eyePosition = G4ThreeVector(1.*m,1.*m,1.*m);
89 targetPosition = G4ThreeVector(0.,0.,0.); 77 targetPosition = G4ThreeVector(0.,0.,0.);
90 lightDirection = G4ThreeVector(-0.1,-0.2,-0. 78 lightDirection = G4ThreeVector(-0.1,-0.2,-0.3).unit();
91 up = G4ThreeVector(0,1,0); 79 up = G4ThreeVector(0,1,0);
92 viewSpan = 5.0*deg; 80 viewSpan = 5.0*deg;
93 headAngle = 0.; 81 headAngle = 0.;
94 attenuationLength = 1.0*m; 82 attenuationLength = 1.0*m;
95 83
96 distortionOn = false; 84 distortionOn = false;
97 antialiasingOn = false; 85 antialiasingOn = false;
98 86
99 backgroundColour = G4Colour(1.,1.,1.); 87 backgroundColour = G4Colour(1.,1.,1.);
100 } 88 }
101 89
102 G4TheRayTracer::~G4TheRayTracer() 90 G4TheRayTracer::~G4TheRayTracer()
103 { 91 {
104 delete theRayShooter; 92 delete theRayShooter;
105 if(theRayTracerTrackingAction) delete theRay 93 if(theRayTracerTrackingAction) delete theRayTracerTrackingAction;
106 if(theRayTracerSteppingAction) delete theRay 94 if(theRayTracerSteppingAction) delete theRayTracerSteppingAction;
107 delete theMessenger; 95 delete theMessenger;
108 delete theScanner; 96 delete theScanner;
109 delete theFigMaker; 97 delete theFigMaker;
110 } 98 }
111 99
112 void G4TheRayTracer::Trace(const G4String& fil 100 void G4TheRayTracer::Trace(const G4String& fileName)
113 { 101 {
114 G4StateManager* theStateMan = G4StateManager 102 G4StateManager* theStateMan = G4StateManager::GetStateManager();
115 G4ApplicationState currentState = theStateMa 103 G4ApplicationState currentState = theStateMan->GetCurrentState();
116 if(currentState!=G4State_Idle) 104 if(currentState!=G4State_Idle)
117 { 105 {
118 G4warn << "Illegal application state - Tra << 106 G4cerr << "Illegal application state - Trace() ignored." << G4endl;
119 return; 107 return;
120 } 108 }
121 109
122 if(!theFigMaker) 110 if(!theFigMaker)
123 { 111 {
124 G4warn << "Figure file maker class is not << 112 G4cerr << "Figure file maker class is not specified - Trace() ignored." << G4endl;
125 return; 113 return;
126 } 114 }
127 115
128 G4UImanager* UI = G4UImanager::GetUIpointer( 116 G4UImanager* UI = G4UImanager::GetUIpointer();
129 G4int storeTrajectory = UI->GetCurrentIntVal 117 G4int storeTrajectory = UI->GetCurrentIntValue("/tracking/storeTrajectory");
130 if(storeTrajectory==0) UI->ApplyCommand("/tr 118 if(storeTrajectory==0) UI->ApplyCommand("/tracking/storeTrajectory 1");
131 119
132 120
133 G4ThreeVector tmpVec = targetPosition - eyeP 121 G4ThreeVector tmpVec = targetPosition - eyePosition;
134 eyeDirection = tmpVec.unit(); 122 eyeDirection = tmpVec.unit();
135 colorR = new unsigned char[nColumn*nRow]; 123 colorR = new unsigned char[nColumn*nRow];
136 colorG = new unsigned char[nColumn*nRow]; 124 colorG = new unsigned char[nColumn*nRow];
137 colorB = new unsigned char[nColumn*nRow]; 125 colorB = new unsigned char[nColumn*nRow];
138 126
139 StoreUserActions(); 127 StoreUserActions();
140 G4bool succeeded = CreateBitMap(); 128 G4bool succeeded = CreateBitMap();
141 if(succeeded) 129 if(succeeded)
142 { CreateFigureFile(fileName); } 130 { CreateFigureFile(fileName); }
143 else 131 else
144 { G4warn << "Could not create figure file" < << 132 { G4cerr << "Could not create figure file" << G4endl;
145 G4warn << "You might set the eye position << 133 G4cerr << "You might set the eye position outside of the world volume" << G4endl; }
146 RestoreUserActions(); 134 RestoreUserActions();
147 135
148 if(storeTrajectory==0) UI->ApplyCommand("/tr 136 if(storeTrajectory==0) UI->ApplyCommand("/tracking/storeTrajectory 0");
149 137
150 delete [] colorR; 138 delete [] colorR;
151 delete [] colorG; 139 delete [] colorG;
152 delete [] colorB; 140 delete [] colorB;
153 } 141 }
154 142
155 void G4TheRayTracer::StoreUserActions() 143 void G4TheRayTracer::StoreUserActions()
156 { 144 {
157 theUserEventAction = theEventManager->GetUse 145 theUserEventAction = theEventManager->GetUserEventAction();
158 theUserStackingAction = theEventManager->Get 146 theUserStackingAction = theEventManager->GetUserStackingAction();
159 theUserTrackingAction = theEventManager->Get 147 theUserTrackingAction = theEventManager->GetUserTrackingAction();
160 theUserSteppingAction = theEventManager->Get 148 theUserSteppingAction = theEventManager->GetUserSteppingAction();
161 149
162 if(!theRayTracerTrackingAction) theRayTracer 150 if(!theRayTracerTrackingAction) theRayTracerTrackingAction = new G4RTTrackingAction();
163 if(!theRayTracerSteppingAction) theRayTracer 151 if(!theRayTracerSteppingAction) theRayTracerSteppingAction = new G4RTSteppingAction();
164 152
165 theEventManager->SetUserAction(theRayTracerE 153 theEventManager->SetUserAction(theRayTracerEventAction);
166 theEventManager->SetUserAction(theRayTracerS 154 theEventManager->SetUserAction(theRayTracerStackingAction);
167 theEventManager->SetUserAction(theRayTracerT 155 theEventManager->SetUserAction(theRayTracerTrackingAction);
168 theEventManager->SetUserAction(theRayTracerS 156 theEventManager->SetUserAction(theRayTracerSteppingAction);
169 157
170 G4SDManager* theSDMan = G4SDManager::GetSDMp 158 G4SDManager* theSDMan = G4SDManager::GetSDMpointerIfExist();
171 if(theSDMan) 159 if(theSDMan)
172 { theSDMan->Activate("/",false); } 160 { theSDMan->Activate("/",false); }
173 161
174 G4GeometryManager* theGeomMan = G4GeometryMa 162 G4GeometryManager* theGeomMan = G4GeometryManager::GetInstance();
175 theGeomMan->OpenGeometry(); 163 theGeomMan->OpenGeometry();
176 theGeomMan->CloseGeometry(true); 164 theGeomMan->CloseGeometry(true);
177 } 165 }
178 166
179 void G4TheRayTracer::RestoreUserActions() 167 void G4TheRayTracer::RestoreUserActions()
180 { 168 {
181 theEventManager->SetUserAction(theUserEventA 169 theEventManager->SetUserAction(theUserEventAction);
182 theEventManager->SetUserAction(theUserStacki 170 theEventManager->SetUserAction(theUserStackingAction);
183 theEventManager->SetUserAction(theUserTracki 171 theEventManager->SetUserAction(theUserTrackingAction);
184 theEventManager->SetUserAction(theUserSteppi 172 theEventManager->SetUserAction(theUserSteppingAction);
185 173
186 G4SDManager* theSDMan = G4SDManager::GetSDMp 174 G4SDManager* theSDMan = G4SDManager::GetSDMpointerIfExist();
187 if(theSDMan) 175 if(theSDMan)
188 { theSDMan->Activate("/",true); } 176 { theSDMan->Activate("/",true); }
189 } 177 }
190 178
191 #include "G4ProcessManager.hh" 179 #include "G4ProcessManager.hh"
192 #include "G4ProcessVector.hh" 180 #include "G4ProcessVector.hh"
193 #include "G4Geantino.hh" 181 #include "G4Geantino.hh"
194 182
195 G4bool G4TheRayTracer::CreateBitMap() 183 G4bool G4TheRayTracer::CreateBitMap()
196 { 184 {
197 G4int iEvent = 0; 185 G4int iEvent = 0;
198 G4double stepAngle = viewSpan/100.; 186 G4double stepAngle = viewSpan/100.;
199 G4double viewSpanX = stepAngle*nColumn; 187 G4double viewSpanX = stepAngle*nColumn;
200 G4double viewSpanY = stepAngle*nRow; 188 G4double viewSpanY = stepAngle*nRow;
201 G4bool succeeded; 189 G4bool succeeded;
202 190
203 G4VVisManager* visMan = G4VVisManager::GetCo 191 G4VVisManager* visMan = G4VVisManager::GetConcreteInstance();
204 visMan->IgnoreStateChanges(true); 192 visMan->IgnoreStateChanges(true);
205 193
206 // Confirm process(es) of Geantino is initiali 194 // Confirm process(es) of Geantino is initialized
207 G4VPhysicalVolume* pWorld = 195 G4VPhysicalVolume* pWorld =
208 G4TransportationManager::GetTransportationMa 196 G4TransportationManager::GetTransportationManager()->
209 GetNavigatorForTracking()->GetWorldVolume(); 197 GetNavigatorForTracking()->GetWorldVolume();
210 G4RegionStore::GetInstance()->UpdateMaterial 198 G4RegionStore::GetInstance()->UpdateMaterialList(pWorld);
211 G4ProductionCutsTable::GetProductionCutsTabl 199 G4ProductionCutsTable::GetProductionCutsTable()->UpdateCoupleTable(pWorld);
212 G4ProcessVector* pVector 200 G4ProcessVector* pVector
213 = G4Geantino::GeantinoDefinition()->GetPro 201 = G4Geantino::GeantinoDefinition()->GetProcessManager()->GetProcessList();
214 for (G4int j=0; j < (G4int)pVector->size(); << 202 for (G4int j=0; j < pVector->size(); ++j) {
215 (*pVector)[j]->BuildPhysicsTable(*(G4Gea 203 (*pVector)[j]->BuildPhysicsTable(*(G4Geantino::GeantinoDefinition()));
216 } 204 }
217 205
218 // Close geometry and set the application stat 206 // Close geometry and set the application state
219 G4GeometryManager* geomManager = G4GeometryM 207 G4GeometryManager* geomManager = G4GeometryManager::GetInstance();
220 geomManager->OpenGeometry(); 208 geomManager->OpenGeometry();
221 geomManager->CloseGeometry(1,0); 209 geomManager->CloseGeometry(1,0);
222 210
223 G4ThreeVector center(0,0,0); 211 G4ThreeVector center(0,0,0);
224 G4Navigator* navigator = 212 G4Navigator* navigator =
225 G4TransportationManager::GetTransportati 213 G4TransportationManager::GetTransportationManager()->GetNavigatorForTracking();
226 navigator->LocateGlobalPointAndSetup(center, 214 navigator->LocateGlobalPointAndSetup(center,0,false);
227 215
228 G4StateManager* theStateMan = G4StateManager 216 G4StateManager* theStateMan = G4StateManager::GetStateManager();
229 theStateMan->SetNewState(G4State_GeomClosed) 217 theStateMan->SetNewState(G4State_GeomClosed);
230 218
231 // Event loop 219 // Event loop
232 theScanner->Initialize(nRow,nColumn); 220 theScanner->Initialize(nRow,nColumn);
233 G4int iRow, iColumn; 221 G4int iRow, iColumn;
234 while (theScanner->Coords(iRow,iColumn)) { 222 while (theScanner->Coords(iRow,iColumn)) {
235 G4int iCoord = iRow * nColumn + iColumn; 223 G4int iCoord = iRow * nColumn + iColumn;
236 G4double dRow = 0, dColumn = 0; // Anti 224 G4double dRow = 0, dColumn = 0; // Antialiasing increments.
237 G4Event* anEvent = new G4Event(iEvent++) 225 G4Event* anEvent = new G4Event(iEvent++);
238 G4double angleX = -(viewSpanX/2. - (iCol 226 G4double angleX = -(viewSpanX/2. - (iColumn+dColumn)*stepAngle);
239 G4double angleY = viewSpanY/2. - (iRow+d 227 G4double angleY = viewSpanY/2. - (iRow+dRow)*stepAngle;
240 G4ThreeVector rayDirection; 228 G4ThreeVector rayDirection;
241 if(distortionOn) 229 if(distortionOn)
242 { 230 {
243 rayDirection = G4ThreeVector(-std::tan(angle 231 rayDirection = G4ThreeVector(-std::tan(angleX)/std::cos(angleY),std::tan(angleY)/std::cos(angleX),1.0);
244 } 232 }
245 else 233 else
246 { 234 {
247 rayDirection = G4ThreeVector(-std::tan(angle 235 rayDirection = G4ThreeVector(-std::tan(angleX),std::tan(angleY),1.0);
248 } 236 }
249 G4double cp = std::cos(eyeDirection.phi( 237 G4double cp = std::cos(eyeDirection.phi());
250 G4double sp = std::sqrt(1.-cp*cp); 238 G4double sp = std::sqrt(1.-cp*cp);
251 G4double ct = std::cos(eyeDirection.thet 239 G4double ct = std::cos(eyeDirection.theta());
252 G4double st = std::sqrt(1.-ct*ct); 240 G4double st = std::sqrt(1.-ct*ct);
253 G4double gamma = std::atan2(ct*cp*up.x() 241 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); 242 rayDirection.rotateZ(-gamma);
255 rayDirection.rotateZ(headAngle); 243 rayDirection.rotateZ(headAngle);
256 rayDirection.rotateUz(eyeDirection); 244 rayDirection.rotateUz(eyeDirection);
257 G4ThreeVector rayPosition(eyePosition); 245 G4ThreeVector rayPosition(eyePosition);
258 G4bool interceptable = true; 246 G4bool interceptable = true;
259 // Check if rayPosition is in the world. 247 // Check if rayPosition is in the world.
260 EInside whereisit = 248 EInside whereisit =
261 pWorld->GetLogicalVolume()->GetSolid()->Insi 249 pWorld->GetLogicalVolume()->GetSolid()->Inside(rayPosition);
262 if (whereisit != kInside) { 250 if (whereisit != kInside) {
263 // It's outside the world, so move it inside 251 // It's outside the world, so move it inside.
264 G4double outsideDistance = 252 G4double outsideDistance =
265 pWorld->GetLogicalVolume()->GetSolid()-> 253 pWorld->GetLogicalVolume()->GetSolid()->
266 DistanceToIn(rayPosition,rayDirection); 254 DistanceToIn(rayPosition,rayDirection);
267 if (outsideDistance != kInfinity) { 255 if (outsideDistance != kInfinity) {
268 // Borrowing from geometry, where 1e-8 < e 256 // Borrowing from geometry, where 1e-8 < epsilon < 1e-3, in
269 // absolute/internal length units, is used 257 // absolute/internal length units, is used for ensuring good
270 // behaviour, choose to add 0.001 to ensur 258 // behaviour, choose to add 0.001 to ensure rayPosition is
271 // definitely inside the world volume (JA 259 // definitely inside the world volume (JA 16/9/2005)...
272 rayPosition = rayPosition+(outsideDistance 260 rayPosition = rayPosition+(outsideDistance+0.001)*rayDirection;
273 } 261 }
274 else { 262 else {
275 interceptable = false; 263 interceptable = false;
276 } 264 }
277 } 265 }
278 if (interceptable) { 266 if (interceptable) {
279 theRayShooter->Shoot(anEvent,rayPosition,ray 267 theRayShooter->Shoot(anEvent,rayPosition,rayDirection.unit());
280 theEventManager->ProcessOneEvent(anEvent); 268 theEventManager->ProcessOneEvent(anEvent);
281 succeeded = GenerateColour(anEvent); 269 succeeded = GenerateColour(anEvent);
282 colorR[iCoord] = (unsigned char)(G4int(255*r << 270 colorR[iCoord] = (unsigned char)(int(255*rayColour.GetRed()));
283 colorG[iCoord] = (unsigned char)(G4int(255*r << 271 colorG[iCoord] = (unsigned char)(int(255*rayColour.GetGreen()));
284 colorB[iCoord] = (unsigned char)(G4int(255*r << 272 colorB[iCoord] = (unsigned char)(int(255*rayColour.GetBlue()));
285 } else { // Ray does not intercept worl 273 } else { // Ray does not intercept world at all.
286 // Store background colour... 274 // Store background colour...
287 colorR[iCoord] = (unsigned char)(G4int(255*b << 275 colorR[iCoord] = (unsigned char)(int(255*backgroundColour.GetRed()));
288 colorG[iCoord] = (unsigned char)(G4int(255*b << 276 colorG[iCoord] = (unsigned char)(int(255*backgroundColour.GetGreen()));
289 colorB[iCoord] = (unsigned char)(G4int(255*b << 277 colorB[iCoord] = (unsigned char)(int(255*backgroundColour.GetBlue()));
290 succeeded = true; 278 succeeded = true;
291 } 279 }
292 280
293 theScanner->Draw(colorR[iCoord],colorG[i 281 theScanner->Draw(colorR[iCoord],colorG[iCoord],colorB[iCoord]);
294 282
295 delete anEvent; 283 delete anEvent;
296 if(!succeeded) return false; 284 if(!succeeded) return false;
297 } 285 }
298 286
299 theStateMan->SetNewState(G4State_Idle); 287 theStateMan->SetNewState(G4State_Idle);
300 visMan->IgnoreStateChanges(false); 288 visMan->IgnoreStateChanges(false);
301 return true; 289 return true;
302 } 290 }
303 291
304 void G4TheRayTracer::CreateFigureFile(const G4 292 void G4TheRayTracer::CreateFigureFile(const G4String& fileName)
305 { 293 {
306 //G4cout << nColumn << " " << nRow << G4endl 294 //G4cout << nColumn << " " << nRow << G4endl;
307 theFigMaker->CreateFigureFile(fileName,nColu 295 theFigMaker->CreateFigureFile(fileName,nColumn,nRow,colorR,colorG,colorB);
308 } 296 }
309 297
310 G4bool G4TheRayTracer::GenerateColour(G4Event* 298 G4bool G4TheRayTracer::GenerateColour(G4Event* anEvent)
311 { 299 {
312 G4TrajectoryContainer * trajectoryContainer 300 G4TrajectoryContainer * trajectoryContainer = anEvent->GetTrajectoryContainer();
313 301
314 G4RayTrajectory* trajectory = (G4RayTrajecto 302 G4RayTrajectory* trajectory = (G4RayTrajectory*)( (*trajectoryContainer)[0] );
315 if(!trajectory) return false; 303 if(!trajectory) return false;
316 304
317 G4int nPoint = trajectory->GetPointEntries() 305 G4int nPoint = trajectory->GetPointEntries();
318 if(nPoint==0) return false; 306 if(nPoint==0) return false;
319 307
320 G4Colour initialColour(backgroundColour); 308 G4Colour initialColour(backgroundColour);
321 if( trajectory->GetPointC(nPoint-1)->GetPost 309 if( trajectory->GetPointC(nPoint-1)->GetPostStepAtt() )
322 { initialColour = GetSurfaceColour(trajector 310 { initialColour = GetSurfaceColour(trajectory->GetPointC(nPoint-1)); }
323 rayColour = Attenuate(trajectory->GetPointC( 311 rayColour = Attenuate(trajectory->GetPointC(nPoint-1),initialColour);
324 312
325 for(G4int i=nPoint-2;i>=0;--i) << 313 for(int i=nPoint-2;i>=0;i--)
326 { 314 {
327 G4Colour surfaceColour = GetSurfaceColour( 315 G4Colour surfaceColour = GetSurfaceColour(trajectory->GetPointC(i));
328 G4double weight = 1.0 - surfaceColour.GetA 316 G4double weight = 1.0 - surfaceColour.GetAlpha();
329 G4Colour mixedColour = GetMixedColour(rayC 317 G4Colour mixedColour = GetMixedColour(rayColour,surfaceColour,weight);
330 rayColour = Attenuate(trajectory->GetPoint 318 rayColour = Attenuate(trajectory->GetPointC(i),mixedColour);
331 } 319 }
332 320
333 return true; 321 return true;
334 } 322 }
335 323
336 G4Colour G4TheRayTracer::GetMixedColour 324 G4Colour G4TheRayTracer::GetMixedColour
337 (const G4Colour& surfCol,const G4Colour& trans 325 (const G4Colour& surfCol,const G4Colour& transCol,G4double weight)
338 { 326 {
339 G4double red = weight*surfCol.GetRed() + ( 327 G4double red = weight*surfCol.GetRed() + (1.-weight)*transCol.GetRed();
340 G4double green = weight*surfCol.GetGreen() + 328 G4double green = weight*surfCol.GetGreen() + (1.-weight)*transCol.GetGreen();
341 G4double blue = weight*surfCol.GetBlue() + 329 G4double blue = weight*surfCol.GetBlue() + (1.-weight)*transCol.GetBlue();
342 G4double alpha = weight*surfCol.GetAlpha() + 330 G4double alpha = weight*surfCol.GetAlpha() + (1.-weight)*transCol.GetAlpha();
343 return G4Colour(red,green,blue,alpha); 331 return G4Colour(red,green,blue,alpha);
344 } 332 }
345 333
346 G4Colour G4TheRayTracer::GetSurfaceColour(G4Ra 334 G4Colour G4TheRayTracer::GetSurfaceColour(G4RayTrajectoryPoint* point)
347 { 335 {
348 const G4VisAttributes* preAtt = point->GetPr 336 const G4VisAttributes* preAtt = point->GetPreStepAtt();
349 const G4VisAttributes* postAtt = point->GetP 337 const G4VisAttributes* postAtt = point->GetPostStepAtt();
350 338
351 G4bool preVis = ValidColour(preAtt); 339 G4bool preVis = ValidColour(preAtt);
352 G4bool postVis = ValidColour(postAtt); 340 G4bool postVis = ValidColour(postAtt);
353 341
354 G4Colour transparent(1.,1.,1.,0.); 342 G4Colour transparent(1.,1.,1.,0.);
355 343
356 if(!preVis&&!postVis) return transparent; 344 if(!preVis&&!postVis) return transparent;
357 345
358 G4ThreeVector normal = point->GetSurfaceNorm 346 G4ThreeVector normal = point->GetSurfaceNormal();
359 347
360 G4Colour preCol(1.,1.,1.); 348 G4Colour preCol(1.,1.,1.);
361 G4Colour postCol(1.,1.,1.); 349 G4Colour postCol(1.,1.,1.);
362 350
363 if(preVis) 351 if(preVis)
364 { 352 {
365 const G4Colour& preAttColour = preAtt->Get 353 const G4Colour& preAttColour = preAtt->GetColour();
366 G4double brill = (1.0-(-lightDirection).do 354 G4double brill = (1.0-(-lightDirection).dot(normal))/2.0;
367 G4double red = preAttColour.GetRed(); 355 G4double red = preAttColour.GetRed();
368 G4double green = preAttColour.GetGreen(); 356 G4double green = preAttColour.GetGreen();
369 G4double blue = preAttColour.GetBlue(); 357 G4double blue = preAttColour.GetBlue();
370 preCol = G4Colour 358 preCol = G4Colour
371 (red*brill,green*brill,blue*brill,preAtt 359 (red*brill,green*brill,blue*brill,preAttColour.GetAlpha());
372 } 360 }
373 else 361 else
374 { preCol = transparent; } 362 { preCol = transparent; }
375 363
376 if(postVis) 364 if(postVis)
377 { 365 {
378 const G4Colour& postAttColour = postAtt->G 366 const G4Colour& postAttColour = postAtt->GetColour();
379 G4double brill = (1.0-(-lightDirection).do 367 G4double brill = (1.0-(-lightDirection).dot(-normal))/2.0;
380 G4double red = postAttColour.GetRed(); 368 G4double red = postAttColour.GetRed();
381 G4double green = postAttColour.GetGreen(); 369 G4double green = postAttColour.GetGreen();
382 G4double blue = postAttColour.GetBlue(); 370 G4double blue = postAttColour.GetBlue();
383 postCol = G4Colour 371 postCol = G4Colour
384 (red*brill,green*brill,blue*brill,postAt 372 (red*brill,green*brill,blue*brill,postAttColour.GetAlpha());
385 } 373 }
386 else 374 else
387 { postCol = transparent; } 375 { postCol = transparent; }
388 376
389 if(!preVis) return postCol; 377 if(!preVis) return postCol;
390 if(!postVis) return preCol; 378 if(!postVis) return preCol;
391 379
392 G4double weight = 0.5; 380 G4double weight = 0.5;
393 return GetMixedColour(preCol,postCol,weight) 381 return GetMixedColour(preCol,postCol,weight);
394 } 382 }
395 383
396 G4Colour G4TheRayTracer::Attenuate 384 G4Colour G4TheRayTracer::Attenuate
397 (G4RayTrajectoryPoint* point,const G4Colour& s 385 (G4RayTrajectoryPoint* point,const G4Colour& sourceCol)
398 { 386 {
399 const G4VisAttributes* preAtt = point->GetPr 387 const G4VisAttributes* preAtt = point->GetPreStepAtt();
400 388
401 G4bool visible = ValidColour(preAtt); 389 G4bool visible = ValidColour(preAtt);
402 if(!visible) return sourceCol; 390 if(!visible) return sourceCol;
403 391
404 G4Colour objCol = preAtt->GetColour(); 392 G4Colour objCol = preAtt->GetColour();
405 G4double stepRed = objCol.GetRed(); 393 G4double stepRed = objCol.GetRed();
406 G4double stepGreen = objCol.GetGreen(); 394 G4double stepGreen = objCol.GetGreen();
407 G4double stepBlue = objCol.GetBlue(); 395 G4double stepBlue = objCol.GetBlue();
408 G4double stepAlpha = objCol.GetAlpha(); 396 G4double stepAlpha = objCol.GetAlpha();
409 G4double stepLength = point->GetStepLength() 397 G4double stepLength = point->GetStepLength();
410 398
411 G4double attenuationFuctor; 399 G4double attenuationFuctor;
412 if(stepAlpha > 0.9999999){ stepAlpha = 0.999 400 if(stepAlpha > 0.9999999){ stepAlpha = 0.9999999; } // patch to the next line
413 attenuationFuctor = -stepAlpha/(1.0-stepAl 401 attenuationFuctor = -stepAlpha/(1.0-stepAlpha)*stepLength/attenuationLength;
414 402
415 G4double KtRed = std::exp((1.0-stepRed)*atte 403 G4double KtRed = std::exp((1.0-stepRed)*attenuationFuctor);
416 G4double KtGreen = std::exp((1.0-stepGreen)* 404 G4double KtGreen = std::exp((1.0-stepGreen)*attenuationFuctor);
417 G4double KtBlue = std::exp((1.0-stepBlue)*at 405 G4double KtBlue = std::exp((1.0-stepBlue)*attenuationFuctor);
418 if(KtRed>1.0){KtRed=1.0;} 406 if(KtRed>1.0){KtRed=1.0;}
419 if(KtGreen>1.0){KtGreen=1.0;} 407 if(KtGreen>1.0){KtGreen=1.0;}
420 if(KtBlue>1.0){KtBlue=1.0;} 408 if(KtBlue>1.0){KtBlue=1.0;}
421 return G4Colour(sourceCol.GetRed()*KtRed, 409 return G4Colour(sourceCol.GetRed()*KtRed,
422 sourceCol.GetGreen()*KtGreen,sourceCol.Get 410 sourceCol.GetGreen()*KtGreen,sourceCol.GetBlue()*KtBlue);
423 } 411 }
424 412
425 G4bool G4TheRayTracer::ValidColour(const G4Vis 413 G4bool G4TheRayTracer::ValidColour(const G4VisAttributes* visAtt)
426 { 414 {
427 G4bool val = true; 415 G4bool val = true;
428 if(!visAtt) 416 if(!visAtt)
429 { val = false; } 417 { val = false; }
430 else if(!(visAtt->IsVisible())) 418 else if(!(visAtt->IsVisible()))
431 { val = false; } 419 { val = false; }
432 else if(visAtt->IsForceDrawingStyle() 420 else if(visAtt->IsForceDrawingStyle()
433 &&(visAtt->GetForcedDrawingStyle()==G4VisA 421 &&(visAtt->GetForcedDrawingStyle()==G4VisAttributes::wireframe))
434 { val = false; } 422 { val = false; }
435 return val; 423 return val;
436 } 424 }
437 425
438 426