| 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 *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
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 *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // 26 //
>> 27 // $Id: G4TheRayTracer.cc,v 1.3 2006/06/29 21:24:25 gunter Exp $
>> 28 // GEANT4 tag $Name: geant4-09-00 $
27 // 29 //
28 // 30 //
29 // 31 //
30 32
31 33
32 #include "G4TheRayTracer.hh" 34 #include "G4TheRayTracer.hh"
33 #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 <<
57 #define G4warn G4cout <<
58 <<
59 G4VFigureFileMaker * G4TheRayTracer::theFigMak <<
60 G4VRTScanner * G4TheRayTracer::theScanner = 0; <<
61 56
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; <<
71 theUserStackingAction = 0; <<
72 theUserTrackingAction = 0; <<
73 theUserSteppingAction = 0; <<
74 theRayTracerEventAction = 0; 65 theRayTracerEventAction = 0;
75 theRayTracerStackingAction = 0; 66 theRayTracerStackingAction = 0;
76 theRayTracerTrackingAction = 0; 67 theRayTracerTrackingAction = 0;
77 theRayTracerSteppingAction = 0; 68 theRayTracerSteppingAction = 0;
78 colorR = 0; << 69 theMessenger = G4RTMessenger::GetInstance(this,theRayTracerSteppingAction);
79 colorG = 0; <<
80 colorB = 0; <<
81 <<
82 theMessenger = G4RTMessenger::GetInstance(th <<
83 theEventManager = G4EventManager::GetEventMa 70 theEventManager = G4EventManager::GetEventManager();
84 71
85 nColumn = 640; 72 nColumn = 640;
86 nRow = 640; 73 nRow = 640;
87 74
88 eyePosition = G4ThreeVector(1.*m,1.*m,1.*m); 75 eyePosition = G4ThreeVector(1.*m,1.*m,1.*m);
89 targetPosition = G4ThreeVector(0.,0.,0.); 76 targetPosition = G4ThreeVector(0.,0.,0.);
90 lightDirection = G4ThreeVector(-0.1,-0.2,-0. 77 lightDirection = G4ThreeVector(-0.1,-0.2,-0.3).unit();
91 up = G4ThreeVector(0,1,0); <<
92 viewSpan = 5.0*deg; 78 viewSpan = 5.0*deg;
93 headAngle = 0.; << 79 headAngle = 270.*deg;
94 attenuationLength = 1.0*m; 80 attenuationLength = 1.0*m;
95 81
96 distortionOn = false; 82 distortionOn = false;
97 antialiasingOn = false; 83 antialiasingOn = false;
98 84
99 backgroundColour = G4Colour(1.,1.,1.); 85 backgroundColour = G4Colour(1.,1.,1.);
100 } 86 }
101 87
102 G4TheRayTracer::~G4TheRayTracer() 88 G4TheRayTracer::~G4TheRayTracer()
103 { 89 {
104 delete theRayShooter; 90 delete theRayShooter;
105 if(theRayTracerTrackingAction) delete theRay 91 if(theRayTracerTrackingAction) delete theRayTracerTrackingAction;
106 if(theRayTracerSteppingAction) delete theRay 92 if(theRayTracerSteppingAction) delete theRayTracerSteppingAction;
107 delete theMessenger; 93 delete theMessenger;
108 delete theScanner; 94 delete theScanner;
109 delete theFigMaker; 95 delete theFigMaker;
110 } 96 }
111 97
112 void G4TheRayTracer::Trace(const G4String& fil << 98 void G4TheRayTracer::Trace(G4String fileName)
113 { 99 {
114 G4StateManager* theStateMan = G4StateManager 100 G4StateManager* theStateMan = G4StateManager::GetStateManager();
115 G4ApplicationState currentState = theStateMa 101 G4ApplicationState currentState = theStateMan->GetCurrentState();
116 if(currentState!=G4State_Idle) 102 if(currentState!=G4State_Idle)
117 { 103 {
118 G4warn << "Illegal application state - Tra << 104 G4cerr << "Illegal application state - Trace() ignored." << G4endl;
119 return; 105 return;
120 } 106 }
121 107
122 if(!theFigMaker) 108 if(!theFigMaker)
123 { 109 {
124 G4warn << "Figure file maker class is not << 110 G4cerr << "Figure file maker class is not specified - Trace() ignored." << G4endl;
125 return; 111 return;
126 } 112 }
127 113
128 G4UImanager* UI = G4UImanager::GetUIpointer( 114 G4UImanager* UI = G4UImanager::GetUIpointer();
129 G4int storeTrajectory = UI->GetCurrentIntVal 115 G4int storeTrajectory = UI->GetCurrentIntValue("/tracking/storeTrajectory");
130 if(storeTrajectory==0) UI->ApplyCommand("/tr 116 if(storeTrajectory==0) UI->ApplyCommand("/tracking/storeTrajectory 1");
131 117
132 118
133 G4ThreeVector tmpVec = targetPosition - eyeP 119 G4ThreeVector tmpVec = targetPosition - eyePosition;
134 eyeDirection = tmpVec.unit(); 120 eyeDirection = tmpVec.unit();
135 colorR = new unsigned char[nColumn*nRow]; 121 colorR = new unsigned char[nColumn*nRow];
136 colorG = new unsigned char[nColumn*nRow]; 122 colorG = new unsigned char[nColumn*nRow];
137 colorB = new unsigned char[nColumn*nRow]; 123 colorB = new unsigned char[nColumn*nRow];
138 124
139 StoreUserActions(); 125 StoreUserActions();
140 G4bool succeeded = CreateBitMap(); 126 G4bool succeeded = CreateBitMap();
141 if(succeeded) 127 if(succeeded)
142 { CreateFigureFile(fileName); } 128 { CreateFigureFile(fileName); }
143 else 129 else
144 { G4warn << "Could not create figure file" < << 130 { G4cerr << "Could not create figure file" << G4endl;
145 G4warn << "You might set the eye position << 131 G4cerr << "You might set the eye position outside of the world volume" << G4endl; }
146 RestoreUserActions(); 132 RestoreUserActions();
147 133
148 if(storeTrajectory==0) UI->ApplyCommand("/tr 134 if(storeTrajectory==0) UI->ApplyCommand("/tracking/storeTrajectory 0");
149 135
150 delete [] colorR; 136 delete [] colorR;
151 delete [] colorG; 137 delete [] colorG;
152 delete [] colorB; 138 delete [] colorB;
153 } 139 }
154 140
155 void G4TheRayTracer::StoreUserActions() 141 void G4TheRayTracer::StoreUserActions()
156 { 142 {
157 theUserEventAction = theEventManager->GetUse 143 theUserEventAction = theEventManager->GetUserEventAction();
158 theUserStackingAction = theEventManager->Get 144 theUserStackingAction = theEventManager->GetUserStackingAction();
159 theUserTrackingAction = theEventManager->Get 145 theUserTrackingAction = theEventManager->GetUserTrackingAction();
160 theUserSteppingAction = theEventManager->Get 146 theUserSteppingAction = theEventManager->GetUserSteppingAction();
161 147
162 if(!theRayTracerTrackingAction) theRayTracer 148 if(!theRayTracerTrackingAction) theRayTracerTrackingAction = new G4RTTrackingAction();
163 if(!theRayTracerSteppingAction) theRayTracer 149 if(!theRayTracerSteppingAction) theRayTracerSteppingAction = new G4RTSteppingAction();
164 150
165 theEventManager->SetUserAction(theRayTracerE 151 theEventManager->SetUserAction(theRayTracerEventAction);
166 theEventManager->SetUserAction(theRayTracerS 152 theEventManager->SetUserAction(theRayTracerStackingAction);
167 theEventManager->SetUserAction(theRayTracerT 153 theEventManager->SetUserAction(theRayTracerTrackingAction);
168 theEventManager->SetUserAction(theRayTracerS 154 theEventManager->SetUserAction(theRayTracerSteppingAction);
169 155
170 G4SDManager* theSDMan = G4SDManager::GetSDMp 156 G4SDManager* theSDMan = G4SDManager::GetSDMpointerIfExist();
171 if(theSDMan) 157 if(theSDMan)
172 { theSDMan->Activate("/",false); } 158 { theSDMan->Activate("/",false); }
173 159
174 G4GeometryManager* theGeomMan = G4GeometryMa 160 G4GeometryManager* theGeomMan = G4GeometryManager::GetInstance();
175 theGeomMan->OpenGeometry(); 161 theGeomMan->OpenGeometry();
176 theGeomMan->CloseGeometry(true); 162 theGeomMan->CloseGeometry(true);
177 } 163 }
178 164
179 void G4TheRayTracer::RestoreUserActions() 165 void G4TheRayTracer::RestoreUserActions()
180 { 166 {
181 theEventManager->SetUserAction(theUserEventA 167 theEventManager->SetUserAction(theUserEventAction);
182 theEventManager->SetUserAction(theUserStacki 168 theEventManager->SetUserAction(theUserStackingAction);
183 theEventManager->SetUserAction(theUserTracki 169 theEventManager->SetUserAction(theUserTrackingAction);
184 theEventManager->SetUserAction(theUserSteppi 170 theEventManager->SetUserAction(theUserSteppingAction);
185 171
186 G4SDManager* theSDMan = G4SDManager::GetSDMp 172 G4SDManager* theSDMan = G4SDManager::GetSDMpointerIfExist();
187 if(theSDMan) 173 if(theSDMan)
188 { theSDMan->Activate("/",true); } 174 { theSDMan->Activate("/",true); }
189 } 175 }
190 176
191 #include "G4ProcessManager.hh" 177 #include "G4ProcessManager.hh"
192 #include "G4ProcessVector.hh" 178 #include "G4ProcessVector.hh"
193 #include "G4Geantino.hh" 179 #include "G4Geantino.hh"
194 180
195 G4bool G4TheRayTracer::CreateBitMap() 181 G4bool G4TheRayTracer::CreateBitMap()
196 { 182 {
197 G4int iEvent = 0; 183 G4int iEvent = 0;
198 G4double stepAngle = viewSpan/100.; 184 G4double stepAngle = viewSpan/100.;
199 G4double viewSpanX = stepAngle*nColumn; 185 G4double viewSpanX = stepAngle*nColumn;
200 G4double viewSpanY = stepAngle*nRow; 186 G4double viewSpanY = stepAngle*nRow;
201 G4bool succeeded; 187 G4bool succeeded;
202 188
203 G4VVisManager* visMan = G4VVisManager::GetCo <<
204 visMan->IgnoreStateChanges(true); <<
205 <<
206 // Confirm process(es) of Geantino is initiali 189 // Confirm process(es) of Geantino is initialized
207 G4VPhysicalVolume* pWorld = 190 G4VPhysicalVolume* pWorld =
208 G4TransportationManager::GetTransportationMa 191 G4TransportationManager::GetTransportationManager()->
209 GetNavigatorForTracking()->GetWorldVolume(); 192 GetNavigatorForTracking()->GetWorldVolume();
210 G4RegionStore::GetInstance()->UpdateMaterial 193 G4RegionStore::GetInstance()->UpdateMaterialList(pWorld);
211 G4ProductionCutsTable::GetProductionCutsTabl 194 G4ProductionCutsTable::GetProductionCutsTable()->UpdateCoupleTable(pWorld);
212 G4ProcessVector* pVector 195 G4ProcessVector* pVector
213 = G4Geantino::GeantinoDefinition()->GetPro 196 = G4Geantino::GeantinoDefinition()->GetProcessManager()->GetProcessList();
214 for (G4int j=0; j < (G4int)pVector->size(); << 197 for (G4int j=0; j < pVector->size(); ++j) {
215 (*pVector)[j]->BuildPhysicsTable(*(G4Gea 198 (*pVector)[j]->BuildPhysicsTable(*(G4Geantino::GeantinoDefinition()));
216 } 199 }
217 200
218 // Close geometry and set the application stat 201 // Close geometry and set the application state
219 G4GeometryManager* geomManager = G4GeometryM 202 G4GeometryManager* geomManager = G4GeometryManager::GetInstance();
220 geomManager->OpenGeometry(); 203 geomManager->OpenGeometry();
221 geomManager->CloseGeometry(1,0); 204 geomManager->CloseGeometry(1,0);
222 205
223 G4ThreeVector center(0,0,0); 206 G4ThreeVector center(0,0,0);
224 G4Navigator* navigator = 207 G4Navigator* navigator =
225 G4TransportationManager::GetTransportati 208 G4TransportationManager::GetTransportationManager()->GetNavigatorForTracking();
226 navigator->LocateGlobalPointAndSetup(center, 209 navigator->LocateGlobalPointAndSetup(center,0,false);
227 210
228 G4StateManager* theStateMan = G4StateManager 211 G4StateManager* theStateMan = G4StateManager::GetStateManager();
229 theStateMan->SetNewState(G4State_GeomClosed) 212 theStateMan->SetNewState(G4State_GeomClosed);
230 213
231 // Event loop 214 // Event loop
232 theScanner->Initialize(nRow,nColumn); 215 theScanner->Initialize(nRow,nColumn);
233 G4int iRow, iColumn; 216 G4int iRow, iColumn;
234 while (theScanner->Coords(iRow,iColumn)) { 217 while (theScanner->Coords(iRow,iColumn)) {
235 G4int iCoord = iRow * nColumn + iColumn; 218 G4int iCoord = iRow * nColumn + iColumn;
236 G4double dRow = 0, dColumn = 0; // Anti 219 G4double dRow = 0, dColumn = 0; // Antialiasing increments.
237 G4Event* anEvent = new G4Event(iEvent++) 220 G4Event* anEvent = new G4Event(iEvent++);
238 G4double angleX = -(viewSpanX/2. - (iCol 221 G4double angleX = -(viewSpanX/2. - (iColumn+dColumn)*stepAngle);
239 G4double angleY = viewSpanY/2. - (iRow+d 222 G4double angleY = viewSpanY/2. - (iRow+dRow)*stepAngle;
240 G4ThreeVector rayDirection; 223 G4ThreeVector rayDirection;
241 if(distortionOn) 224 if(distortionOn)
242 { 225 {
243 rayDirection = G4ThreeVector(-std::tan(angle << 226 rayDirection = G4ThreeVector(std::tan(angleX)/std::cos(angleY),-std::tan(angleY)/std::cos(angleX),1.0);
244 } 227 }
245 else 228 else
246 { 229 {
247 rayDirection = G4ThreeVector(-std::tan(angle << 230 rayDirection = G4ThreeVector(std::tan(angleX),-std::tan(angleY),1.0);
248 } 231 }
249 G4double cp = std::cos(eyeDirection.phi( <<
250 G4double sp = std::sqrt(1.-cp*cp); <<
251 G4double ct = std::cos(eyeDirection.thet <<
252 G4double st = std::sqrt(1.-ct*ct); <<
253 G4double gamma = std::atan2(ct*cp*up.x() <<
254 rayDirection.rotateZ(-gamma); <<
255 rayDirection.rotateZ(headAngle); 232 rayDirection.rotateZ(headAngle);
256 rayDirection.rotateUz(eyeDirection); 233 rayDirection.rotateUz(eyeDirection);
257 G4ThreeVector rayPosition(eyePosition); 234 G4ThreeVector rayPosition(eyePosition);
258 G4bool interceptable = true; 235 G4bool interceptable = true;
259 // Check if rayPosition is in the world. 236 // Check if rayPosition is in the world.
260 EInside whereisit = 237 EInside whereisit =
261 pWorld->GetLogicalVolume()->GetSolid()->Insi 238 pWorld->GetLogicalVolume()->GetSolid()->Inside(rayPosition);
262 if (whereisit != kInside) { 239 if (whereisit != kInside) {
263 // It's outside the world, so move it inside 240 // It's outside the world, so move it inside.
264 G4double outsideDistance = 241 G4double outsideDistance =
265 pWorld->GetLogicalVolume()->GetSolid()-> 242 pWorld->GetLogicalVolume()->GetSolid()->
266 DistanceToIn(rayPosition,rayDirection); 243 DistanceToIn(rayPosition,rayDirection);
267 if (outsideDistance != kInfinity) { 244 if (outsideDistance != kInfinity) {
268 // Borrowing from geometry, where 1e-8 < e 245 // Borrowing from geometry, where 1e-8 < epsilon < 1e-3, in
269 // absolute/internal length units, is used 246 // absolute/internal length units, is used for ensuring good
270 // behaviour, choose to add 0.001 to ensur 247 // behaviour, choose to add 0.001 to ensure rayPosition is
271 // definitely inside the world volume (JA 248 // definitely inside the world volume (JA 16/9/2005)...
272 rayPosition = rayPosition+(outsideDistance 249 rayPosition = rayPosition+(outsideDistance+0.001)*rayDirection;
273 } 250 }
274 else { 251 else {
275 interceptable = false; 252 interceptable = false;
276 } 253 }
277 } 254 }
278 if (interceptable) { 255 if (interceptable) {
279 theRayShooter->Shoot(anEvent,rayPosition,ray << 256 theRayShooter->Shoot(anEvent,rayPosition,rayDirection);
280 theEventManager->ProcessOneEvent(anEvent); 257 theEventManager->ProcessOneEvent(anEvent);
281 succeeded = GenerateColour(anEvent); 258 succeeded = GenerateColour(anEvent);
282 colorR[iCoord] = (unsigned char)(G4int(255*r << 259 colorR[iCoord] = (unsigned char)(int(255*rayColour.GetRed()));
283 colorG[iCoord] = (unsigned char)(G4int(255*r << 260 colorG[iCoord] = (unsigned char)(int(255*rayColour.GetGreen()));
284 colorB[iCoord] = (unsigned char)(G4int(255*r << 261 colorB[iCoord] = (unsigned char)(int(255*rayColour.GetBlue()));
285 } else { // Ray does not intercept worl 262 } else { // Ray does not intercept world at all.
286 // Store background colour... 263 // Store background colour...
287 colorR[iCoord] = (unsigned char)(G4int(255*b << 264 colorR[iCoord] = (unsigned char)(int(255*backgroundColour.GetRed()));
288 colorG[iCoord] = (unsigned char)(G4int(255*b << 265 colorG[iCoord] = (unsigned char)(int(255*backgroundColour.GetGreen()));
289 colorB[iCoord] = (unsigned char)(G4int(255*b << 266 colorB[iCoord] = (unsigned char)(int(255*backgroundColour.GetBlue()));
290 succeeded = true; 267 succeeded = true;
291 } 268 }
292 269
293 theScanner->Draw(colorR[iCoord],colorG[i 270 theScanner->Draw(colorR[iCoord],colorG[iCoord],colorB[iCoord]);
294 271
295 delete anEvent; 272 delete anEvent;
296 if(!succeeded) return false; 273 if(!succeeded) return false;
297 } 274 }
298 275
299 theStateMan->SetNewState(G4State_Idle); 276 theStateMan->SetNewState(G4State_Idle);
300 visMan->IgnoreStateChanges(false); <<
301 return true; 277 return true;
302 } 278 }
303 279
304 void G4TheRayTracer::CreateFigureFile(const G4 << 280 void G4TheRayTracer::CreateFigureFile(G4String fileName)
305 { 281 {
306 //G4cout << nColumn << " " << nRow << G4endl 282 //G4cout << nColumn << " " << nRow << G4endl;
307 theFigMaker->CreateFigureFile(fileName,nColu 283 theFigMaker->CreateFigureFile(fileName,nColumn,nRow,colorR,colorG,colorB);
308 } 284 }
309 285
310 G4bool G4TheRayTracer::GenerateColour(G4Event* 286 G4bool G4TheRayTracer::GenerateColour(G4Event* anEvent)
311 { 287 {
312 G4TrajectoryContainer * trajectoryContainer 288 G4TrajectoryContainer * trajectoryContainer = anEvent->GetTrajectoryContainer();
313 289
314 G4RayTrajectory* trajectory = (G4RayTrajecto 290 G4RayTrajectory* trajectory = (G4RayTrajectory*)( (*trajectoryContainer)[0] );
315 if(!trajectory) return false; 291 if(!trajectory) return false;
316 292
317 G4int nPoint = trajectory->GetPointEntries() 293 G4int nPoint = trajectory->GetPointEntries();
318 if(nPoint==0) return false; 294 if(nPoint==0) return false;
319 295
320 G4Colour initialColour(backgroundColour); 296 G4Colour initialColour(backgroundColour);
321 if( trajectory->GetPointC(nPoint-1)->GetPost 297 if( trajectory->GetPointC(nPoint-1)->GetPostStepAtt() )
322 { initialColour = GetSurfaceColour(trajector 298 { initialColour = GetSurfaceColour(trajectory->GetPointC(nPoint-1)); }
323 rayColour = Attenuate(trajectory->GetPointC( 299 rayColour = Attenuate(trajectory->GetPointC(nPoint-1),initialColour);
324 300
325 for(G4int i=nPoint-2;i>=0;--i) << 301 for(int i=nPoint-2;i>=0;i--)
326 { 302 {
327 G4Colour surfaceColour = GetSurfaceColour( 303 G4Colour surfaceColour = GetSurfaceColour(trajectory->GetPointC(i));
328 G4double weight = 1.0 - surfaceColour.GetA 304 G4double weight = 1.0 - surfaceColour.GetAlpha();
329 G4Colour mixedColour = GetMixedColour(rayC 305 G4Colour mixedColour = GetMixedColour(rayColour,surfaceColour,weight);
330 rayColour = Attenuate(trajectory->GetPoint 306 rayColour = Attenuate(trajectory->GetPointC(i),mixedColour);
331 } 307 }
332 308
333 return true; 309 return true;
334 } 310 }
335 311
336 G4Colour G4TheRayTracer::GetMixedColour << 312 G4Colour G4TheRayTracer::GetMixedColour(G4Colour surfCol,G4Colour transCol,G4double weight)
337 (const G4Colour& surfCol,const G4Colour& trans <<
338 { 313 {
339 G4double red = weight*surfCol.GetRed() + ( << 314 G4double r = weight*surfCol.GetRed() + (1.-weight)*transCol.GetRed();
340 G4double green = weight*surfCol.GetGreen() + << 315 G4double g = weight*surfCol.GetGreen() + (1.-weight)*transCol.GetGreen();
341 G4double blue = weight*surfCol.GetBlue() + << 316 G4double b = weight*surfCol.GetBlue() + (1.-weight)*transCol.GetBlue();
342 G4double alpha = weight*surfCol.GetAlpha() + << 317 G4double a = weight*surfCol.GetAlpha() + (1.-weight)*transCol.GetAlpha();
343 return G4Colour(red,green,blue,alpha); << 318 return G4Colour(r,g,b,a);
344 } 319 }
345 320
346 G4Colour G4TheRayTracer::GetSurfaceColour(G4Ra 321 G4Colour G4TheRayTracer::GetSurfaceColour(G4RayTrajectoryPoint* point)
347 { 322 {
348 const G4VisAttributes* preAtt = point->GetPr 323 const G4VisAttributes* preAtt = point->GetPreStepAtt();
349 const G4VisAttributes* postAtt = point->GetP 324 const G4VisAttributes* postAtt = point->GetPostStepAtt();
350 325
351 G4bool preVis = ValidColour(preAtt); 326 G4bool preVis = ValidColour(preAtt);
352 G4bool postVis = ValidColour(postAtt); 327 G4bool postVis = ValidColour(postAtt);
353 328
354 G4Colour transparent(1.,1.,1.,0.); 329 G4Colour transparent(1.,1.,1.,0.);
355 330
356 if(!preVis&&!postVis) return transparent; 331 if(!preVis&&!postVis) return transparent;
357 332
358 G4ThreeVector normal = point->GetSurfaceNorm 333 G4ThreeVector normal = point->GetSurfaceNormal();
359 334
360 G4Colour preCol(1.,1.,1.); 335 G4Colour preCol(1.,1.,1.);
361 G4Colour postCol(1.,1.,1.); 336 G4Colour postCol(1.,1.,1.);
362 337
363 if(preVis) 338 if(preVis)
364 { 339 {
365 const G4Colour& preAttColour = preAtt->Get <<
366 G4double brill = (1.0-(-lightDirection).do 340 G4double brill = (1.0-(-lightDirection).dot(normal))/2.0;
367 G4double red = preAttColour.GetRed(); << 341 G4double r = preAtt->GetColour().GetRed();
368 G4double green = preAttColour.GetGreen(); << 342 G4double g = preAtt->GetColour().GetGreen();
369 G4double blue = preAttColour.GetBlue(); << 343 G4double b = preAtt->GetColour().GetBlue();
370 preCol = G4Colour << 344 preCol = G4Colour(r*brill,g*brill,b*brill,preAtt->GetColour().GetAlpha());
371 (red*brill,green*brill,blue*brill,preAtt <<
372 } 345 }
373 else 346 else
374 { preCol = transparent; } 347 { preCol = transparent; }
375 348
376 if(postVis) 349 if(postVis)
377 { 350 {
378 const G4Colour& postAttColour = postAtt->G <<
379 G4double brill = (1.0-(-lightDirection).do 351 G4double brill = (1.0-(-lightDirection).dot(-normal))/2.0;
380 G4double red = postAttColour.GetRed(); << 352 G4double r = postAtt->GetColour().GetRed();
381 G4double green = postAttColour.GetGreen(); << 353 G4double g = postAtt->GetColour().GetGreen();
382 G4double blue = postAttColour.GetBlue(); << 354 G4double b = postAtt->GetColour().GetBlue();
383 postCol = G4Colour << 355 postCol = G4Colour(r*brill,g*brill,b*brill,postAtt->GetColour().GetAlpha());
384 (red*brill,green*brill,blue*brill,postAt <<
385 } 356 }
386 else 357 else
387 { postCol = transparent; } 358 { postCol = transparent; }
388 359
389 if(!preVis) return postCol; 360 if(!preVis) return postCol;
390 if(!postVis) return preCol; 361 if(!postVis) return preCol;
391 362
392 G4double weight = 0.5; 363 G4double weight = 0.5;
393 return GetMixedColour(preCol,postCol,weight) 364 return GetMixedColour(preCol,postCol,weight);
394 } 365 }
395 366
396 G4Colour G4TheRayTracer::Attenuate << 367 G4Colour G4TheRayTracer::Attenuate(G4RayTrajectoryPoint* point, G4Colour sourceCol)
397 (G4RayTrajectoryPoint* point,const G4Colour& s <<
398 { 368 {
399 const G4VisAttributes* preAtt = point->GetPr 369 const G4VisAttributes* preAtt = point->GetPreStepAtt();
400 370
401 G4bool visible = ValidColour(preAtt); 371 G4bool visible = ValidColour(preAtt);
402 if(!visible) return sourceCol; 372 if(!visible) return sourceCol;
403 373
404 G4Colour objCol = preAtt->GetColour(); 374 G4Colour objCol = preAtt->GetColour();
405 G4double stepRed = objCol.GetRed(); 375 G4double stepRed = objCol.GetRed();
406 G4double stepGreen = objCol.GetGreen(); 376 G4double stepGreen = objCol.GetGreen();
407 G4double stepBlue = objCol.GetBlue(); 377 G4double stepBlue = objCol.GetBlue();
408 G4double stepAlpha = objCol.GetAlpha(); 378 G4double stepAlpha = objCol.GetAlpha();
409 G4double stepLength = point->GetStepLength() 379 G4double stepLength = point->GetStepLength();
410 380
411 G4double attenuationFuctor; 381 G4double attenuationFuctor;
412 if(stepAlpha > 0.9999999){ stepAlpha = 0.999 382 if(stepAlpha > 0.9999999){ stepAlpha = 0.9999999; } // patch to the next line
413 attenuationFuctor = -stepAlpha/(1.0-stepAl 383 attenuationFuctor = -stepAlpha/(1.0-stepAlpha)*stepLength/attenuationLength;
414 384
415 G4double KtRed = std::exp((1.0-stepRed)*atte 385 G4double KtRed = std::exp((1.0-stepRed)*attenuationFuctor);
416 G4double KtGreen = std::exp((1.0-stepGreen)* 386 G4double KtGreen = std::exp((1.0-stepGreen)*attenuationFuctor);
417 G4double KtBlue = std::exp((1.0-stepBlue)*at 387 G4double KtBlue = std::exp((1.0-stepBlue)*attenuationFuctor);
418 if(KtRed>1.0){KtRed=1.0;} 388 if(KtRed>1.0){KtRed=1.0;}
419 if(KtGreen>1.0){KtGreen=1.0;} 389 if(KtGreen>1.0){KtGreen=1.0;}
420 if(KtBlue>1.0){KtBlue=1.0;} 390 if(KtBlue>1.0){KtBlue=1.0;}
421 return G4Colour(sourceCol.GetRed()*KtRed, 391 return G4Colour(sourceCol.GetRed()*KtRed,
422 sourceCol.GetGreen()*KtGreen,sourceCol.Get 392 sourceCol.GetGreen()*KtGreen,sourceCol.GetBlue()*KtBlue);
423 } 393 }
424 394
425 G4bool G4TheRayTracer::ValidColour(const G4Vis 395 G4bool G4TheRayTracer::ValidColour(const G4VisAttributes* visAtt)
426 { 396 {
427 G4bool val = true; 397 G4bool val = true;
428 if(!visAtt) 398 if(!visAtt)
429 { val = false; } 399 { val = false; }
430 else if(!(visAtt->IsVisible())) 400 else if(!(visAtt->IsVisible()))
431 { val = false; } 401 { val = false; }
432 else if(visAtt->IsForceDrawingStyle() 402 else if(visAtt->IsForceDrawingStyle()
433 &&(visAtt->GetForcedDrawingStyle()==G4VisA 403 &&(visAtt->GetForcedDrawingStyle()==G4VisAttributes::wireframe))
434 { val = false; } 404 { val = false; }
435 return val; 405 return val;
436 } 406 }
437 407
438 408