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Geant4/geometry/navigation/src/G4MultiNavigator.cc

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Diff markup

Differences between /geometry/navigation/src/G4MultiNavigator.cc (Version 11.3.0) and /geometry/navigation/src/G4MultiNavigator.cc (Version 10.3.p2)


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                                                   >>  25 //
                                                   >>  26 //
                                                   >>  27 // $Id: G4MultiNavigator.cc 83466 2014-08-25 10:31:39Z gcosmo $
                                                   >>  28 // GEANT4 tag $ Name:  $
 25 //                                                 29 // 
 26 // class G4MultiNavigator Implementation       <<  30 // class G4PathFinder Implementation
 27 //                                                 31 //
 28 // Author:  John Apostolakis, November 2006        32 // Author:  John Apostolakis, November 2006
 29 // -------------------------------------------     33 // --------------------------------------------------------------------
 30                                                    34 
 31 #include <iomanip>                                 35 #include <iomanip>
 32                                                    36 
 33 #include "G4MultiNavigator.hh"                     37 #include "G4MultiNavigator.hh"
 34                                                    38 
 35 class G4FieldManager;                              39 class G4FieldManager;
 36                                                    40 
 37 #include "G4SystemOfUnits.hh"                      41 #include "G4SystemOfUnits.hh"
 38 #include "G4Navigator.hh"                          42 #include "G4Navigator.hh"
 39 #include "G4PropagatorInField.hh"                  43 #include "G4PropagatorInField.hh"
 40 #include "G4TransportationManager.hh"              44 #include "G4TransportationManager.hh"
 41                                                    45 
 42 // ------------------------------------------- <<  46 // ********************************************************************
 43                                                <<  47 // Constructor
 44 G4MultiNavigator::G4MultiNavigator()           <<  48 // ********************************************************************
                                                   >>  49 //
                                                   >>  50 G4MultiNavigator::G4MultiNavigator() 
                                                   >>  51   : G4Navigator(), fLastMassWorld(0)
 45 {                                                  52 {
                                                   >>  53   fNoActiveNavigators= 0; 
 46   G4ThreeVector Big3Vector( kInfinity, kInfini     54   G4ThreeVector Big3Vector( kInfinity, kInfinity, kInfinity ); 
 47   fLastLocatedPosition = Big3Vector;               55   fLastLocatedPosition = Big3Vector;
 48   fSafetyLocation  = Big3Vector;                   56   fSafetyLocation  = Big3Vector;
 49   fPreStepLocation = Big3Vector;                   57   fPreStepLocation = Big3Vector;
 50                                                    58 
 51   for(auto num=0; num< fMaxNav; ++num )        <<  59   fMinSafety_PreStepPt=  -1.0; 
                                                   >>  60   fMinSafety_atSafLocation= -1.0; 
                                                   >>  61   fMinSafety= -kInfinity;  
                                                   >>  62   fTrueMinStep= fMinStep= -kInfinity;  
                                                   >>  63 
                                                   >>  64   for(G4int num=0; num< fMaxNav; ++num )
 52   {                                                65   {
 53     fpNavigator[num] = nullptr;                <<  66     fpNavigator[num] =  0;   
 54     fLimitTruth[num] = false;                      67     fLimitTruth[num] = false;
 55     fLimitedStep[num] = kUndefLimited;             68     fLimitedStep[num] = kUndefLimited;
 56     fCurrentStepSize[num] = fNewSafety[num] =      69     fCurrentStepSize[num] = fNewSafety[num] = -1.0; 
 57     fLocatedVolume[num] = nullptr;             <<  70     fLocatedVolume[num] = 0; 
 58   }                                                71   }
 59                                                    72 
 60   pTransportManager= G4TransportationManager::     73   pTransportManager= G4TransportationManager::GetTransportationManager();
 61                                                    74 
 62   G4Navigator* massNav= pTransportManager->Get     75   G4Navigator* massNav= pTransportManager->GetNavigatorForTracking();
 63   if( massNav != nullptr )                     <<  76   if( massNav )
 64   {                                                77   { 
 65     G4VPhysicalVolume* pWorld= massNav->GetWor     78     G4VPhysicalVolume* pWorld= massNav->GetWorldVolume(); 
 66     if( pWorld != nullptr )                    <<  79     if( pWorld )
 67     {                                              80     { 
 68       SetWorldVolume( pWorld );                    81       SetWorldVolume( pWorld ); 
 69       fLastMassWorld = pWorld;                     82       fLastMassWorld = pWorld; 
 70     }                                              83     }
 71   }                                                84   }
 72 }                                              << 
 73                                                    85 
 74 // ------------------------------------------- <<  86   fNoLimitingStep= -1; 
 75                                                <<  87   fIdNavLimiting= -1; 
 76 G4MultiNavigator::~G4MultiNavigator() = defaul <<  88 }
 77                                                    89 
 78 // ------------------------------------------- <<  90 G4MultiNavigator::~G4MultiNavigator() 
                                                   >>  91 {
                                                   >>  92 }
 79                                                    93 
 80 G4double G4MultiNavigator::ComputeStep(const G <<  94 G4double G4MultiNavigator::ComputeStep(const G4ThreeVector &pGlobalPoint,
 81                                        const G <<  95                                        const G4ThreeVector &pDirection,
 82                                        const G     96                                        const G4double       proposedStepLength,
 83                                              G <<  97                                              G4double      &pNewSafety)
 84 {                                                  98 {
 85   G4double safety= 0.0, step=0.0;                  99   G4double safety= 0.0, step=0.0;
 86   G4double minSafety= kInfinity, minStep= kInf    100   G4double minSafety= kInfinity, minStep= kInfinity;
 87                                                   101 
 88   fNoLimitingStep= -1;                            102   fNoLimitingStep= -1; 
 89   fIdNavLimiting= -1;     // Reset for new ste    103   fIdNavLimiting= -1;     // Reset for new step
 90                                                   104 
 91 #ifdef G4DEBUG_NAVIGATION                         105 #ifdef G4DEBUG_NAVIGATION
 92   if( fVerbose > 2 )                              106   if( fVerbose > 2 )
 93   {                                               107   {
 94     G4cout << " G4MultiNavigator::ComputeStep     108     G4cout << " G4MultiNavigator::ComputeStep : entered " << G4endl;
 95     G4cout << "   Input position= " << pGlobal    109     G4cout << "   Input position= " << pGlobalPoint
 96            << "   direction= "      << pDirect    110            << "   direction= "      << pDirection         << G4endl;
 97     G4cout << "   Requested step= " << propose    111     G4cout << "   Requested step= " << proposedStepLength << G4endl;
 98   }                                               112   }
 99 #endif                                            113 #endif
100                                                   114 
101   std::vector<G4Navigator*>::iterator pNavigat    115   std::vector<G4Navigator*>::iterator pNavigatorIter;
102                                                   116 
103   pNavigatorIter= pTransportManager-> GetActiv    117   pNavigatorIter= pTransportManager-> GetActiveNavigatorsIterator();
104                                                   118 
105   G4ThreeVector initialPosition = pGlobalPoint    119   G4ThreeVector initialPosition = pGlobalPoint;
106   G4ThreeVector initialDirection= pDirection;     120   G4ThreeVector initialDirection= pDirection;
107                                                   121 
108   for( auto num=0; num< fNoActiveNavigators; + << 122   for( G4int num=0; num< fNoActiveNavigators; ++pNavigatorIter,++num )
109   {                                               123   {
110      safety= kInfinity;                           124      safety= kInfinity;
111                                                   125 
112      step= (*pNavigatorIter)->ComputeStep( ini    126      step= (*pNavigatorIter)->ComputeStep( initialPosition, 
113                                            ini    127                                            initialDirection,
114                                            pro    128                                            proposedStepLength,
115                                            saf    129                                            safety ); 
116      if( safety < minSafety ){ minSafety = saf    130      if( safety < minSafety ){ minSafety = safety; } 
117      if( step < minStep )    { minStep= step;     131      if( step < minStep )    { minStep= step; } 
118                                                   132 
119      fCurrentStepSize[num] = step;                133      fCurrentStepSize[num] = step; 
120      fNewSafety[num]= safety;                     134      fNewSafety[num]= safety; 
121       // This is currently the safety from the    135       // This is currently the safety from the last sub-step
122                                                   136 
123 #ifdef G4DEBUG_NAVIGATION                         137 #ifdef G4DEBUG_NAVIGATION
124      if( fVerbose > 2 )                           138      if( fVerbose > 2 )
125      {                                            139      {
126        G4cout << "G4MultiNavigator::ComputeSte    140        G4cout << "G4MultiNavigator::ComputeStep : Navigator ["
127               << num << "] -- step size " << s    141               << num << "] -- step size " << step
128               << " safety= " << safety << G4en    142               << " safety= " << safety << G4endl;
129      }                                            143      }
130 #endif                                            144 #endif
131   }                                               145   } 
132                                                   146 
133   // Save safety value, related position          147   // Save safety value, related position
134   //                                              148   //
135   fPreStepLocation     = initialPosition;         149   fPreStepLocation     = initialPosition; 
136   fMinSafety_PreStepPt = minSafety;               150   fMinSafety_PreStepPt = minSafety;
137   fMinStep = minStep;                             151   fMinStep = minStep; 
138                                                   152 
139   if( fMinStep == kInfinity )                     153   if( fMinStep == kInfinity )
140   {                                               154   {
141      fTrueMinStep = proposedStepLength;   //      155      fTrueMinStep = proposedStepLength;   //  Use this below for endpoint !!
142   }                                               156   }
143   else                                            157   else
144   {                                               158   {
145      fTrueMinStep = minStep;                      159      fTrueMinStep = minStep;
146   }                                               160   }
147                                                   161 
148 #ifdef G4DEBUG_NAVIGATION                         162 #ifdef G4DEBUG_NAVIGATION
149   if( fVerbose > 1 )                              163   if( fVerbose > 1 )
150   {                                               164   {
151     G4ThreeVector endPosition = initialPositio    165     G4ThreeVector endPosition = initialPosition+fTrueMinStep*initialDirection;
152                                                   166 
153     G4int oldPrec = G4cout.precision(8);          167     G4int oldPrec = G4cout.precision(8); 
154     G4cout << "G4MultiNavigator::ComputeStep :    168     G4cout << "G4MultiNavigator::ComputeStep : "
155            << " initialPosition = " << initial    169            << " initialPosition = " << initialPosition 
156            << " and endPosition = " << endPosi    170            << " and endPosition = " << endPosition << G4endl;
157     G4cout.precision( oldPrec );                  171     G4cout.precision( oldPrec );
158   }                                               172   }
159 #endif                                            173 #endif
160                                                   174 
161   pNewSafety = minSafety;                         175   pNewSafety = minSafety; 
162                                                   176 
163   this->WhichLimited();                           177   this->WhichLimited(); 
164                                                   178 
165 #ifdef G4DEBUG_NAVIGATION                         179 #ifdef G4DEBUG_NAVIGATION
166   if( fVerbose > 2 )                              180   if( fVerbose > 2 )
167   {                                               181   {
168     G4cout << " G4MultiNavigator::ComputeStep     182     G4cout << " G4MultiNavigator::ComputeStep : exits returning "
169            << minStep << G4endl;                  183            << minStep << G4endl;
170   }                                               184   }
171 #endif                                            185 #endif
172                                                   186 
173   return minStep;  // must return kInfinity if    187   return minStep;  // must return kInfinity if do not limit step
174 }                                                 188 }
175                                                   189 
176 // -------------------------------------------    190 // ----------------------------------------------------------------------
177                                                   191 
178 G4double                                          192 G4double 
179 G4MultiNavigator::ObtainFinalStep( G4int     n    193 G4MultiNavigator::ObtainFinalStep( G4int     navigatorId, 
180                                    G4double& p << 194                                    G4double &pNewSafety,  // for this geometry
181                                    G4double& m << 195                                    G4double &minStep,
182                                    ELimited& l << 196                                    ELimited &limitedStep) 
183 {                                                 197 {
184   if( navigatorId > fNoActiveNavigators )         198   if( navigatorId > fNoActiveNavigators )
185   {                                               199   { 
186      std::ostringstream message;                  200      std::ostringstream message;
187      message << "Bad Navigator Id!" << G4endl     201      message << "Bad Navigator Id!" << G4endl
188              << "        Navigator Id = " << n    202              << "        Navigator Id = " << navigatorId 
189              << "        No Active = " << fNoA    203              << "        No Active = " << fNoActiveNavigators << ".";
190      G4Exception("G4MultiNavigator::ObtainFina    204      G4Exception("G4MultiNavigator::ObtainFinalStep()", "GeomNav0002",
191                  FatalException, message);        205                  FatalException, message); 
192   }                                               206   }
193                                                   207 
194   // Prepare the information to return            208   // Prepare the information to return
195   //                                              209   //
196   pNewSafety  = fNewSafety[ navigatorId ];        210   pNewSafety  = fNewSafety[ navigatorId ]; 
197   limitedStep = fLimitedStep[ navigatorId ];      211   limitedStep = fLimitedStep[ navigatorId ];
198   minStep= fMinStep;                              212   minStep= fMinStep; 
199                                                   213 
200 #ifdef G4DEBUG_NAVIGATION                         214 #ifdef G4DEBUG_NAVIGATION
201   if( fVerbose > 1 )                              215   if( fVerbose > 1 )
202   {                                               216   { 
203      G4cout << " G4MultiNavigator::ComputeStep    217      G4cout << " G4MultiNavigator::ComputeStep returns "
204             << fCurrentStepSize[ navigatorId ]    218             << fCurrentStepSize[ navigatorId ]
205             << " for Navigator " << navigatorI    219             << " for Navigator " << navigatorId
206             << " Limited step = " << limitedSt    220             << " Limited step = " << limitedStep 
207             << " Safety(mm) = " << pNewSafety     221             << " Safety(mm) = " << pNewSafety / mm << G4endl; 
208   }                                               222   }
209 #endif                                            223 #endif
210                                                   224 
211   return fCurrentStepSize[ navigatorId ];         225   return fCurrentStepSize[ navigatorId ];
212 }                                                 226 }
213                                                   227 
214 // -------------------------------------------    228 // ----------------------------------------------------------------------
215                                                   229 
216 void G4MultiNavigator::PrepareNewTrack( const  << 230 void G4MultiNavigator::PrepareNewTrack( const G4ThreeVector position, 
217                                         const     231                                         const G4ThreeVector direction )
218 {                                                 232 {
219 #ifdef G4DEBUG_NAVIGATION                         233 #ifdef G4DEBUG_NAVIGATION
220   if( fVerbose > 1 )                              234   if( fVerbose > 1 )
221   {                                               235   {
222     G4cout << " Entered G4MultiNavigator::Prep    236     G4cout << " Entered G4MultiNavigator::PrepareNewTrack() " << G4endl;
223   }                                               237   }
224 #endif                                            238 #endif
225                                                   239 
226   G4MultiNavigator::PrepareNavigators();          240   G4MultiNavigator::PrepareNavigators(); 
227                                                   241 
228   LocateGlobalPointAndSetup( position, &direct    242   LocateGlobalPointAndSetup( position, &direction, false, false );   
229   //                                              243   //
230   // The first location for each Navigator mus    244   // The first location for each Navigator must be non-relative
231   // or else call ResetStackAndState() for eac    245   // or else call ResetStackAndState() for each Navigator
232   // Use direction to get correct side of boun    246   // Use direction to get correct side of boundary (ignore dir= false)
233 }                                                 247 }
234                                                   248 
235 // -------------------------------------------    249 // ----------------------------------------------------------------------
236                                                   250 
237 void G4MultiNavigator::PrepareNavigators()        251 void G4MultiNavigator::PrepareNavigators()
238 {                                                 252 {
239   // Key purposes:                                253   // Key purposes:
240   //   - Check and cache set of active navigat    254   //   - Check and cache set of active navigators
241   //   - Reset state for new track                255   //   - Reset state for new track
242                                                   256 
243 #ifdef G4DEBUG_NAVIGATION                         257 #ifdef G4DEBUG_NAVIGATION
244   if( fVerbose > 1 )                              258   if( fVerbose > 1 )
245   {                                               259   {
246     G4cout << " Entered G4MultiNavigator::Prep    260     G4cout << " Entered G4MultiNavigator::PrepareNavigators() " << G4endl;
247   }                                               261   }
248 #endif                                            262 #endif
249                                                   263 
250   // Message the transportation-manager to fin    264   // Message the transportation-manager to find active navigators
251                                                   265 
252   std::vector<G4Navigator*>::const_iterator pN << 266   std::vector<G4Navigator*>::iterator pNavigatorIter; 
253   fNoActiveNavigators = (G4int)pTransportManag << 267   fNoActiveNavigators=  pTransportManager-> GetNoActiveNavigators();
254                                                   268 
255   if( fNoActiveNavigators > fMaxNav )             269   if( fNoActiveNavigators > fMaxNav )
256   {                                               270   {
257     std::ostringstream message;                   271     std::ostringstream message;
258     message << "Too many active Navigators / w    272     message << "Too many active Navigators / worlds !" << G4endl
259             << "        Active Navigators (wor    273             << "        Active Navigators (worlds): "
260             << fNoActiveNavigators << G4endl      274             << fNoActiveNavigators << G4endl
261             << "        which is more than the    275             << "        which is more than the number allowed: "
262             << fMaxNav << " !";                   276             << fMaxNav << " !";
263     G4Exception("G4MultiNavigator::PrepareNavi    277     G4Exception("G4MultiNavigator::PrepareNavigators()", "GeomNav0002",  
264                 FatalException, message);         278                 FatalException, message); 
265   }                                               279   }
266                                                   280 
267   pNavigatorIter= pTransportManager->GetActive << 281   pNavigatorIter= pTransportManager-> GetActiveNavigatorsIterator();
268   for( auto num=0; num< fNoActiveNavigators; + << 282   for( G4int num=0; num< fNoActiveNavigators; ++pNavigatorIter,++num )
269   {                                               283   {
270      fpNavigator[num] = *pNavigatorIter;       << 284      fpNavigator[num] =  *pNavigatorIter;   
271      fLimitTruth[num] = false;                    285      fLimitTruth[num] = false;
272      fLimitedStep[num] = kDoNot;                  286      fLimitedStep[num] = kDoNot;
273      fCurrentStepSize[num] = 0.0;                 287      fCurrentStepSize[num] = 0.0; 
274      fLocatedVolume[num] = nullptr;            << 288      fLocatedVolume[num] = 0; 
275   }                                               289   }
276   fWasLimitedByGeometry = false;                  290   fWasLimitedByGeometry = false; 
277                                                   291 
278   // Check the world volume of the mass naviga    292   // Check the world volume of the mass navigator
279   // in case a call to SetWorldVolume() change    293   // in case a call to SetWorldVolume() changed it
280                                                   294 
281   G4VPhysicalVolume* massWorld = GetWorldVolum    295   G4VPhysicalVolume* massWorld = GetWorldVolume();
282                                                   296 
283   if( (massWorld != fLastMassWorld) && (massWo << 297   if( (massWorld != fLastMassWorld) && (massWorld!=0) )
284   {                                               298   { 
285      // Pass along change to Mass Navigator       299      // Pass along change to Mass Navigator
286      fpNavigator[0] -> SetWorldVolume( massWor    300      fpNavigator[0] -> SetWorldVolume( massWorld );
287                                                   301 
288 #ifdef G4DEBUG_NAVIGATION                         302 #ifdef G4DEBUG_NAVIGATION
289      if( fVerbose > 0 )                           303      if( fVerbose > 0 )
290      {                                            304      { 
291        G4cout << " G4MultiNavigator::PrepareNa    305        G4cout << " G4MultiNavigator::PrepareNavigators() changed world volume " 
292               << " for mass geometry to " << m    306               << " for mass geometry to " << massWorld->GetName() << G4endl; 
293      }                                            307      }
294 #endif                                            308 #endif
295                                                   309 
296      fLastMassWorld = massWorld;                  310      fLastMassWorld = massWorld;
297   }                                               311   }
298 }                                                 312 }
299                                                   313 
300 // -------------------------------------------    314 // ----------------------------------------------------------------------
301                                                   315 
302 G4VPhysicalVolume*                                316 G4VPhysicalVolume* 
303 G4MultiNavigator::LocateGlobalPointAndSetup(co    317 G4MultiNavigator::LocateGlobalPointAndSetup(const G4ThreeVector& position,
304                                             co    318                                             const G4ThreeVector* pDirection,
305                                             co    319                                             const G4bool pRelativeSearch,
306                                             co    320                                             const G4bool ignoreDirection )
307 {                                                 321 {
308   // Locate the point in each geometry            322   // Locate the point in each geometry
309                                                   323 
310   G4ThreeVector direction(0.0, 0.0, 0.0);         324   G4ThreeVector direction(0.0, 0.0, 0.0);
311   G4bool relative = pRelativeSearch;              325   G4bool relative = pRelativeSearch; 
312   auto pNavIter = pTransportManager->GetActive << 326   std::vector<G4Navigator*>::iterator pNavIter
                                                   >> 327     = pTransportManager->GetActiveNavigatorsIterator(); 
313                                                   328 
314   if( pDirection != nullptr ) { direction = *p << 329   if( pDirection ) { direction = *pDirection; }
315                                                   330 
316 #ifdef G4DEBUG_NAVIGATION                         331 #ifdef G4DEBUG_NAVIGATION
317   if( fVerbose > 2 )                              332   if( fVerbose > 2 )
318   {                                               333   {
319     G4cout << " Entered G4MultiNavigator::Loca    334     G4cout << " Entered G4MultiNavigator::LocateGlobalPointAndSetup() "
320            << G4endl;                             335            << G4endl;
321     G4cout << "   Locating at position: " << p    336     G4cout << "   Locating at position: " << position
322            << ", with direction: " << directio    337            << ", with direction: " << direction << G4endl
323            << "   Relative: " << relative         338            << "   Relative: " << relative 
324            << ", ignore direction: " << ignore    339            << ", ignore direction: " << ignoreDirection << G4endl;
325     G4cout << "   Number of active navigators:    340     G4cout << "   Number of active navigators: " << fNoActiveNavigators
326            << G4endl;                             341            << G4endl;
327   }                                               342   }
328 #endif                                            343 #endif
329                                                   344 
330   for ( auto num=0; num< fNoActiveNavigators ; << 345   for ( G4int num=0; num< fNoActiveNavigators ; ++pNavIter,++num )
331   {                                               346   {
332      if( fWasLimitedByGeometry && fLimitTruth[    347      if( fWasLimitedByGeometry && fLimitTruth[num] )
333      {                                            348      { 
334         (*pNavIter)->SetGeometricallyLimitedSt    349         (*pNavIter)->SetGeometricallyLimitedStep(); 
335      }                                            350      }
336                                                   351 
337      G4VPhysicalVolume *pLocated                  352      G4VPhysicalVolume *pLocated
338        = (*pNavIter)->LocateGlobalPointAndSetu    353        = (*pNavIter)->LocateGlobalPointAndSetup( position, &direction,
339                                                   354                                                  relative, ignoreDirection );   
340      // Set the state related to the location     355      // Set the state related to the location
341      //                                           356      //
342      fLocatedVolume[num] = pLocated;              357      fLocatedVolume[num] = pLocated; 
343                                                   358 
344      // Clear state related to the step           359      // Clear state related to the step
345      //                                           360      //
346      fLimitedStep[num]   = kDoNot;                361      fLimitedStep[num]   = kDoNot; 
347      fCurrentStepSize[num] = 0.0;                 362      fCurrentStepSize[num] = 0.0;      
348      fLimitTruth[ num ] = false;   // Always c    363      fLimitTruth[ num ] = false;   // Always clear on locating (see Navigator)
349                                                   364     
350 #ifdef G4DEBUG_NAVIGATION                         365 #ifdef G4DEBUG_NAVIGATION
351      if( fVerbose > 2 )                           366      if( fVerbose > 2 )
352      {                                            367      {
353        G4cout << " Located in world: " << num     368        G4cout << " Located in world: " << num << ", at: " << position << G4endl
354               << " Used geomLimStp: " << fLimi    369               << " Used geomLimStp: " << fLimitTruth[num]
355               << ", found in volume: " << pLoc    370               << ", found in volume: " << pLocated << G4endl; 
356        G4cout << " Name = '" ;                    371        G4cout << " Name = '" ;       
357        if( pLocated )                             372        if( pLocated )
358        {                                          373        { 
359          G4cout << pLocated->GetName() << "'";    374          G4cout << pLocated->GetName() << "'"; 
360          G4cout << " - CopyNo= " << pLocated->    375          G4cout << " - CopyNo= " << pLocated->GetCopyNo(); 
361        }                                          376        }
362        else                                       377        else
363        {                                          378        { 
364          G4cout <<  "Null'   Id: Not-Set ";       379          G4cout <<  "Null'   Id: Not-Set "; 
365        }                                          380        }
366        G4cout << G4endl;                          381        G4cout << G4endl; 
367      }                                            382      }
368 #endif                                            383 #endif
369   }                                               384   }
370                                                   385 
371   fWasLimitedByGeometry = false;   // Clear on    386   fWasLimitedByGeometry = false;   // Clear on locating
372   G4VPhysicalVolume* volMassLocated = fLocated << 387   G4VPhysicalVolume* volMassLocated= fLocatedVolume[0]; 
373                                                   388 
374   return volMassLocated;                          389   return volMassLocated;
375 }                                                 390 }
376                                                   391 
377 // -------------------------------------------    392 // ----------------------------------------------------------------------
378                                                   393 
379 void                                              394 void
380 G4MultiNavigator::LocateGlobalPointWithinVolum    395 G4MultiNavigator::LocateGlobalPointWithinVolume(const G4ThreeVector& position)
381 {                                                 396 {
382   // Relocate the point in each geometry          397   // Relocate the point in each geometry
383                                                   398 
384   auto pNavIter = pTransportManager->GetActive << 399   std::vector<G4Navigator*>::iterator pNavIter
                                                   >> 400     = pTransportManager->GetActiveNavigatorsIterator(); 
385                                                   401 
386 #ifdef G4DEBUG_NAVIGATION                         402 #ifdef G4DEBUG_NAVIGATION
387   if( fVerbose > 2 )                              403   if( fVerbose > 2 )
388   {                                               404   {
389     G4cout << " Entered G4MultiNavigator::ReLo    405     G4cout << " Entered G4MultiNavigator::ReLocate() " << G4endl
390            << "  Re-locating at position: " <<    406            << "  Re-locating at position: " << position  << G4endl; 
391   }                                               407   }
392 #endif                                            408 #endif
393                                                   409 
394   for ( auto num=0; num< fNoActiveNavigators ; << 410   for ( G4int num=0; num< fNoActiveNavigators ; ++pNavIter,++num )
395   {                                               411   {
396      //  ... none limited the step                412      //  ... none limited the step
397                                                   413 
398      (*pNavIter)->LocateGlobalPointWithinVolum    414      (*pNavIter)->LocateGlobalPointWithinVolume( position ); 
399                                                   415 
400      // Clear state related to the step           416      // Clear state related to the step
401      //                                           417      //
402      fLimitedStep[num]     = kDoNot;              418      fLimitedStep[num]     = kDoNot; 
403      fCurrentStepSize[num] = 0.0;                 419      fCurrentStepSize[num] = 0.0;      
404                                                   420 
405      fLimitTruth[ num ] = false;   // Always c    421      fLimitTruth[ num ] = false;   // Always clear on locating (see Navigator)
406   }                                               422   }
407   fWasLimitedByGeometry = false;   // Clear on    423   fWasLimitedByGeometry = false;   // Clear on locating
408   fLastLocatedPosition  = position;               424   fLastLocatedPosition  = position; 
409 }                                                 425 }
410                                                   426 
411 // -------------------------------------------    427 // ----------------------------------------------------------------------
412                                                   428 
413 G4double G4MultiNavigator::ComputeSafety( cons    429 G4double G4MultiNavigator::ComputeSafety( const G4ThreeVector& position,
414                                           cons    430                                           const G4double       maxDistance,
415                                           cons    431                                           const G4bool         state)
416 {                                                 432 {
417     // Recompute safety for the relevant point    433     // Recompute safety for the relevant point
418                                                   434 
419     G4double minSafety = kInfinity, safety = k    435     G4double minSafety = kInfinity, safety = kInfinity;
420                                                   436   
421     std::vector<G4Navigator*>::iterator pNavig    437     std::vector<G4Navigator*>::iterator pNavigatorIter;
422     pNavigatorIter= pTransportManager-> GetAct    438     pNavigatorIter= pTransportManager-> GetActiveNavigatorsIterator();
423                                                   439 
424     for( auto num=0; num< fNoActiveNavigators; << 440     for( G4int num=0; num< fNoActiveNavigators; ++pNavigatorIter,++num )
425     {                                             441     {
426        safety = (*pNavigatorIter)->ComputeSafe    442        safety = (*pNavigatorIter)->ComputeSafety( position, maxDistance, state);
427        if( safety < minSafety ) { minSafety =     443        if( safety < minSafety ) { minSafety = safety; } 
428     }                                             444     } 
429                                                   445 
430     fSafetyLocation = position;                   446     fSafetyLocation = position;
431     fMinSafety_atSafLocation = minSafety;         447     fMinSafety_atSafLocation = minSafety;
432                                                   448 
433 #ifdef G4DEBUG_NAVIGATION                         449 #ifdef G4DEBUG_NAVIGATION
434     if( fVerbose > 1 )                            450     if( fVerbose > 1 )
435     {                                             451     { 
436       G4cout << " G4MultiNavigator::ComputeSaf    452       G4cout << " G4MultiNavigator::ComputeSafety - returns: " 
437              << minSafety << ", at location: "    453              << minSafety << ", at location: " << position << G4endl;
438     }                                             454     }
439 #endif                                            455 #endif
440     return minSafety;                             456     return minSafety; 
441 }                                                 457 }
442                                                   458 
443 // -------------------------------------------    459 // -----------------------------------------------------------------------
444                                                   460 
445 G4TouchableHandle G4MultiNavigator::CreateTouc << 461 G4TouchableHistoryHandle 
                                                   >> 462 G4MultiNavigator::CreateTouchableHistoryHandle() const
446 {                                                 463 {
447   G4Exception( "G4MultiNavigator::CreateToucha    464   G4Exception( "G4MultiNavigator::CreateTouchableHistoryHandle()", 
448                "GeomNav0001", FatalException,     465                "GeomNav0001", FatalException,  
449                "Getting a touchable from G4Mul    466                "Getting a touchable from G4MultiNavigator is not defined."); 
450                                                   467 
451   G4TouchableHistory* touchHist;                  468   G4TouchableHistory* touchHist;
452   touchHist= fpNavigator[0] -> CreateTouchable    469   touchHist= fpNavigator[0] -> CreateTouchableHistory(); 
453                                                   470 
454   G4VPhysicalVolume* locatedVolume= fLocatedVo    471   G4VPhysicalVolume* locatedVolume= fLocatedVolume[0]; 
455   if( locatedVolume == nullptr )               << 472   if( locatedVolume == 0 )
456   {                                               473   {
457     // Workaround to ensure that the touchable    474     // Workaround to ensure that the touchable is fixed !! // TODO: fix
458     //                                            475     //
459     touchHist->UpdateYourself( locatedVolume,     476     touchHist->UpdateYourself( locatedVolume, touchHist->GetHistory() );
460   }                                               477   }
461                                                   478     
462   return {touchHist};                          << 479   return G4TouchableHistoryHandle(touchHist); 
463 }                                                 480 }
464                                                   481 
465 // -------------------------------------------    482 // -----------------------------------------------------------------------
466                                                   483 
467 void G4MultiNavigator::WhichLimited()             484 void G4MultiNavigator::WhichLimited()
468 {                                                 485 {
469   // Flag which processes limited the step        486   // Flag which processes limited the step
470                                                   487 
471   G4int last=-1;                                  488   G4int last=-1; 
472   const G4int IdTransport= 0;  // Id of Mass N    489   const G4int IdTransport= 0;  // Id of Mass Navigator !!
473   G4int noLimited=0;                              490   G4int noLimited=0; 
474   ELimited shared= kSharedOther;                  491   ELimited shared= kSharedOther; 
475                                                   492 
476 #ifdef G4DEBUG_NAVIGATION                         493 #ifdef G4DEBUG_NAVIGATION
477   if( fVerbose > 2 )                              494   if( fVerbose > 2 )
478   {                                               495   {
479     G4cout << " Entered G4MultiNavigator::Whic    496     G4cout << " Entered G4MultiNavigator::WhichLimited() " << G4endl;
480   }                                               497   }
481 #endif                                            498 #endif
482                                                   499 
483   // Assume that [IdTransport] is Mass / Trans    500   // Assume that [IdTransport] is Mass / Transport
484   //                                              501   // 
485   G4bool transportLimited = (fCurrentStepSize[    502   G4bool transportLimited = (fCurrentStepSize[IdTransport] == fMinStep)
486                          && ( fMinStep!= kInfi    503                          && ( fMinStep!= kInfinity); 
487   if( transportLimited )                          504   if( transportLimited )
488   {                                               505   { 
489      shared = kSharedTransport;                << 506      shared= kSharedTransport;
490   }                                               507   }
491                                                   508 
492   for ( auto num = 0; num < fNoActiveNavigator << 509   for ( G4int num= 0; num < fNoActiveNavigators; num++ )
493   {                                               510   { 
494     G4bool limitedStep;                           511     G4bool limitedStep;
495                                                   512 
496     G4double step = fCurrentStepSize[num];     << 513     G4double step= fCurrentStepSize[num]; 
497                                                   514 
498     limitedStep = ( step == fMinStep ) && ( st    515     limitedStep = ( step == fMinStep ) && ( step != kInfinity); 
499                                                   516    
500     fLimitTruth[ num ] = limitedStep;             517     fLimitTruth[ num ] = limitedStep; 
501     if( limitedStep )                             518     if( limitedStep )
502     {                                             519     {
503       ++noLimited;                             << 520       noLimited++;  
504       fLimitedStep[num] = shared;                 521       fLimitedStep[num] = shared;
505       last= num;                                  522       last= num; 
506     }                                             523     }
507     else                                          524     else
508     {                                             525     {
509       fLimitedStep[num] = kDoNot;                 526       fLimitedStep[num] = kDoNot;
510     }                                             527     }
511   }                                               528   }
512   if( (last > -1) && (noLimited == 1 ) )          529   if( (last > -1) && (noLimited == 1 ) )
513   {                                               530   {
514     fLimitedStep[ last ] = kUnique;               531     fLimitedStep[ last ] = kUnique;
515     fIdNavLimiting = last;                        532     fIdNavLimiting = last;
516   }                                               533   }
517                                                   534 
518   fNoLimitingStep = noLimited;                 << 535   fNoLimitingStep= noLimited;  
519                                                   536 
520   return;                                         537   return;
521 }                                                 538 }
522                                                   539 
523 // -------------------------------------------    540 // -----------------------------------------------------------------------
524                                                   541 
525 void                                              542 void
526 G4MultiNavigator::PrintLimited()                  543 G4MultiNavigator::PrintLimited()
527 {                                                 544 {
528   // Report results -- for checking               545   // Report results -- for checking   
529                                                   546 
530   static const G4String StrDoNot("DoNot"), Str    547   static const G4String StrDoNot("DoNot"), StrUnique("Unique"),
531                   StrUndefined("Undefined"),      548                   StrUndefined("Undefined"),
532                   StrSharedTransport("SharedTr    549                   StrSharedTransport("SharedTransport"),
533                   StrSharedOther("SharedOther"    550                   StrSharedOther("SharedOther");
534   G4cout << "### G4MultiNavigator::PrintLimite    551   G4cout << "### G4MultiNavigator::PrintLimited() reports: " << G4endl;
535   G4cout << "    Minimum step (true): " << fTr    552   G4cout << "    Minimum step (true): " << fTrueMinStep 
536          << ", reported min: " << fMinStep <<     553          << ", reported min: " << fMinStep << G4endl; 
537                                                   554 
538 #ifdef G4DEBUG_NAVIGATION                         555 #ifdef G4DEBUG_NAVIGATION
539   if(fVerbose>=2)                                 556   if(fVerbose>=2)
540   {                                               557   {
541     G4cout << std::setw(5) << " NavId"  << " "    558     G4cout << std::setw(5) << " NavId"  << " "
542            << std::setw(12) << " step-size " <    559            << std::setw(12) << " step-size " << " "
543            << std::setw(12) << " raw-size "  <    560            << std::setw(12) << " raw-size "  << " "
544            << std::setw(12) << " pre-safety "     561            << std::setw(12) << " pre-safety " << " " 
545            << std::setw(15) << " Limited / fla    562            << std::setw(15) << " Limited / flag"  << " "
546            << std::setw(15) << "  World "  <<     563            << std::setw(15) << "  World "  << " "
547            << G4endl;                             564            << G4endl;  
548   }                                               565   }
549 #endif                                            566 #endif
550                                                   567 
551   for ( auto num = 0; num < fNoActiveNavigator << 568   for ( G4int num= 0; num < fNoActiveNavigators; num++ )
552   {                                               569   { 
553     G4double rawStep = fCurrentStepSize[num];     570     G4double rawStep = fCurrentStepSize[num]; 
554     G4double stepLen = fCurrentStepSize[num];     571     G4double stepLen = fCurrentStepSize[num]; 
555     if( stepLen > fTrueMinStep )                  572     if( stepLen > fTrueMinStep )
556     {                                             573     { 
557       stepLen = fTrueMinStep;     // did not l    574       stepLen = fTrueMinStep;     // did not limit (went as far as asked)
558     }                                             575     }
559     G4long oldPrec = G4cout.precision(9);      << 576     G4int oldPrec= G4cout.precision(9); 
560                                                   577 
561     G4cout << std::setw(5) << num  << " "         578     G4cout << std::setw(5) << num  << " "
562            << std::setw(12) << stepLen << " "     579            << std::setw(12) << stepLen << " "
563            << std::setw(12) << rawStep << " "     580            << std::setw(12) << rawStep << " "
564            << std::setw(12) << fNewSafety[num]    581            << std::setw(12) << fNewSafety[num] << " "
565            << std::setw(5) << (fLimitTruth[num    582            << std::setw(5) << (fLimitTruth[num] ? "YES" : " NO") << " ";
566     G4String limitedStr;                          583     G4String limitedStr;
567     switch ( fLimitedStep[num] )                  584     switch ( fLimitedStep[num] )
568     {                                             585     {
569       case kDoNot          : limitedStr = StrD << 586       case kDoNot          : limitedStr= StrDoNot; break;
570       case kUnique         : limitedStr = StrU    587       case kUnique         : limitedStr = StrUnique; break; 
571       case kSharedTransport: limitedStr = StrS << 588       case kSharedTransport: limitedStr= StrSharedTransport; break; 
572       case kSharedOther    : limitedStr = StrS    589       case kSharedOther    : limitedStr = StrSharedOther; break;
573       default              : limitedStr = StrU    590       default              : limitedStr = StrUndefined; break;
574     }                                             591     }
575     G4cout << " " << std::setw(15) << limitedS    592     G4cout << " " << std::setw(15) << limitedStr << " ";  
576     G4cout.precision(oldPrec);                    593     G4cout.precision(oldPrec); 
577                                                   594 
578     G4Navigator *pNav = fpNavigator[ num ];    << 595     G4Navigator *pNav= fpNavigator[ num ]; 
579     G4String  WorldName( "Not-Set" );             596     G4String  WorldName( "Not-Set" ); 
580     if (pNav != nullptr)                       << 597     if (pNav)
581     {                                             598     {
582        G4VPhysicalVolume *pWorld = pNav->GetWo << 599        G4VPhysicalVolume *pWorld= pNav->GetWorldVolume(); 
583        if( pWorld != nullptr )                 << 600        if( pWorld )
584        {                                          601        {
585            WorldName = pWorld->GetName();         602            WorldName = pWorld->GetName(); 
586        }                                          603        }
587     }                                             604     }
588     G4cout << " " << WorldName ;                  605     G4cout << " " << WorldName ; 
589     G4cout << G4endl;                             606     G4cout << G4endl;
590   }                                               607   }
591 }                                                 608 }
592                                                   609  
593                                                   610 
594 // -------------------------------------------    611 // -----------------------------------------------------------------------
595                                                   612 
596 void G4MultiNavigator::ResetState()               613 void G4MultiNavigator::ResetState()
597 {                                                 614 {
598    fWasLimitedByGeometry = false;              << 615    fWasLimitedByGeometry= false; 
599                                                   616 
600    G4Exception("G4MultiNavigator::ResetState()    617    G4Exception("G4MultiNavigator::ResetState()", "GeomNav0001",  
601                FatalException,                    618                FatalException,  
602                "Cannot reset state for navigat    619                "Cannot reset state for navigators of G4MultiNavigator.");
603 /*                                             << 620    
604    std::vector<G4Navigator*>::iterator pNaviga    621    std::vector<G4Navigator*>::iterator pNavigatorIter;
605    pNavigatorIter = pTransportManager->GetActi << 622    pNavigatorIter= pTransportManager-> GetActiveNavigatorsIterator();
606    for( auto num = 0; num< fNoActiveNavigators << 623    for( G4int num=0; num< fNoActiveNavigators; ++pNavigatorIter,++num )
607    {                                              624    {
608        //  (*pNavigatorIter)->ResetState();  /    625        //  (*pNavigatorIter)->ResetState();  // KEEP THIS comment !!!
609    }                                           << 626    } 
610 */                                             << 
611 }                                                 627 }
612                                                   628 
613 // -------------------------------------------    629 // -----------------------------------------------------------------------
614                                                   630 
615 void G4MultiNavigator::SetupHierarchy()           631 void G4MultiNavigator::SetupHierarchy()
616 {                                                 632 {
617   G4Exception( "G4MultiNavigator::SetupHierarc    633   G4Exception( "G4MultiNavigator::SetupHierarchy()", 
618                "GeomNav0001", FatalException,     634                "GeomNav0001", FatalException,  
619                "Cannot setup hierarchy for nav    635                "Cannot setup hierarchy for navigators of G4MultiNavigator."); 
620 }                                                 636 }
621                                                   637 
622 // -------------------------------------------    638 // -----------------------------------------------------------------------
623                                                   639 
624 void G4MultiNavigator::CheckMassWorld()           640 void G4MultiNavigator::CheckMassWorld()
625 {                                                 641 {
626    G4VPhysicalVolume* navTrackWorld =          << 642    G4VPhysicalVolume* navTrackWorld=
627      pTransportManager->GetNavigatorForTrackin    643      pTransportManager->GetNavigatorForTracking()->GetWorldVolume();
628                                                   644 
629    if( navTrackWorld != fLastMassWorld )          645    if( navTrackWorld != fLastMassWorld )
630    {                                              646    { 
631       G4Exception( "G4MultiNavigator::CheckMas    647       G4Exception( "G4MultiNavigator::CheckMassWorld()",
632                    "GeomNav0003", FatalExcepti    648                    "GeomNav0003", FatalException, 
633                    "Mass world pointer has bee    649                    "Mass world pointer has been changed." ); 
634    }                                              650    }
635 }                                                 651 }
636                                                   652 
637 // -------------------------------------------    653 // -----------------------------------------------------------------------
638                                                   654 
639 G4VPhysicalVolume*                                655 G4VPhysicalVolume*
640 G4MultiNavigator::ResetHierarchyAndLocate(cons << 656 G4MultiNavigator::ResetHierarchyAndLocate(const G4ThreeVector &point,
641                                           cons << 657                                           const G4ThreeVector &direction,
642                                           cons << 658                                           const G4TouchableHistory &MassHistory)
643 {                                                 659 {
644    // Reset geometry for all -- and use the to    660    // Reset geometry for all -- and use the touchable for the mass history
645                                                   661 
646    G4VPhysicalVolume* massVolume = nullptr;    << 662    G4VPhysicalVolume* massVolume=0; 
647    G4Navigator* pMassNavigator = fpNavigator[0 << 663    G4Navigator* pMassNavigator= fpNavigator[0]; 
648                                                   664 
649    if( pMassNavigator != nullptr )             << 665    if( pMassNavigator )
650    {                                              666    {
651       massVolume= pMassNavigator->ResetHierarc    667       massVolume= pMassNavigator->ResetHierarchyAndLocate( point, direction,
652                                                   668                                                            MassHistory); 
653    }                                              669    }
654    else                                           670    else
655    {                                              671    {
656       G4Exception("G4MultiNavigator::ResetHier    672       G4Exception("G4MultiNavigator::ResetHierarchyAndLocate()",
657                   "GeomNav0002", FatalExceptio    673                   "GeomNav0002", FatalException,
658                   "Cannot reset hierarchy befo    674                   "Cannot reset hierarchy before navigators are initialised.");
659    }                                              675    }
660                                                   676 
661    auto pNavIter= pTransportManager->GetActive << 677    std::vector<G4Navigator*>::iterator pNavIter= 
                                                   >> 678        pTransportManager->GetActiveNavigatorsIterator(); 
662                                                   679 
663    for ( auto num = 0; num < fNoActiveNavigato << 680    for ( G4int num=0; num< fNoActiveNavigators ; ++pNavIter,++num )
664    {                                              681    {
665       G4bool relativeSearch, ignoreDirection;     682       G4bool relativeSearch, ignoreDirection; 
666                                                   683 
667       (*pNavIter)-> LocateGlobalPointAndSetup(    684       (*pNavIter)-> LocateGlobalPointAndSetup( point, 
668                                                   685                                                &direction, 
669                                                   686                                                relativeSearch=false,
670                                                   687                                                ignoreDirection=false);
671    }                                              688    }
672    return massVolume;                             689    return massVolume; 
673 }                                                 690 }
674                                                   691 
675 // ------------------------------------------- << 692 // -----------------  ooooooOOOOOOOOOOOOOOOoooooo -------------------------------------
676                                                   693 
677 G4ThreeVector                                     694 G4ThreeVector 
678 G4MultiNavigator::GetGlobalExitNormal(const G4 << 695 G4MultiNavigator::GetGlobalExitNormal(const G4ThreeVector &argPoint,
679                                       G4bool*     696                                       G4bool* argpObtained)  //  obtained valid
680 {                                                 697 {
681   G4ThreeVector normalGlobalCrd(0.0, 0.0, 0.0)    698   G4ThreeVector normalGlobalCrd(0.0, 0.0, 0.0); 
682   G4bool isObtained = false;                   << 699   G4bool isObtained= false; 
683   // These default values will be used if fNoL    700   // These default values will be used if fNoLimitingStep== 0
684   G4int firstNavigatorId = -1;                 << 701   G4int  firstNavigatorId= -1;
685   G4bool oneObtained = false;                  << 702   G4bool        oneObtained= false;
686                                                   703     
687   if( fNoLimitingStep == 1 )                   << 704   if( fNoLimitingStep==1 )
688   {                                               705   { 
689     // Only message the Navigator which limite    706     // Only message the Navigator which limited the step!
690     normalGlobalCrd = fpNavigator[ fIdNavLimit << 707     normalGlobalCrd= fpNavigator[ fIdNavLimiting ]->GetGlobalExitNormal( argPoint, &isObtained); 
691                     ->GetGlobalExitNormal( arg << 708     *argpObtained= isObtained; 
692     *argpObtained = isObtained;                << 
693   }                                               709   }
694   else                                            710   else 
695   {                                               711   {
696     if( fNoLimitingStep > 1 )                     712     if( fNoLimitingStep > 1 )
697     {                                             713     { 
698       auto pNavIter= pTransportManager->GetAct << 714       std::vector<G4Navigator*>::iterator pNavIter= 
                                                   >> 715         pTransportManager->GetActiveNavigatorsIterator(); 
699                                                   716 
700       for ( auto num = 0; num < fNoActiveNavig << 717       for ( G4int num=0; num< fNoActiveNavigators ; ++pNavIter,++num )
701       {                                           718       {
702         G4ThreeVector oneNormal;                  719         G4ThreeVector oneNormal;
703         if( fLimitTruth[ num ] )  // Did this     720         if( fLimitTruth[ num ] )  // Did this geometry limit the step ? 
704         {                                         721         { 
705           G4ThreeVector newNormal =            << 722           G4ThreeVector newNormal= (*pNavIter)-> GetGlobalExitNormal( argPoint, &oneObtained );
706             (*pNavIter)->GetGlobalExitNormal(  << 
707           if( oneObtained )                       723           if( oneObtained )
708           {                                       724           {
709             // Keep first one - only if it is     725             // Keep first one - only if it is valid (ie not null)
710             if( !isObtained && (newNormal.mag2    726             if( !isObtained && (newNormal.mag2() != 0.0) )
711             {                                     727             {
712               normalGlobalCrd = newNormal;     << 728               normalGlobalCrd= newNormal; 
713               isObtained = oneObtained;        << 729               isObtained =     oneObtained;
714               firstNavigatorId = num;          << 730               firstNavigatorId= num; 
715             }                                  << 731             }else{
716             else                               << 
717             {                                  << 
718               // Check for clash                  732               // Check for clash
719               G4double dotNewPrevious = newNor << 733               G4double dotNewPrevious= newNormal.dot( normalGlobalCrd );
720               G4double productMagSq = normalGl << 734               G4double productMagSq= normalGlobalCrd.mag2() * newNormal.mag2(); 
721               if( productMagSq > 0.0 )            735               if( productMagSq > 0.0 ) 
722               {                                   736               {
723                 G4double productMag = std::sqr << 737                 G4double productMag= std::sqrt( productMagSq ); 
724                 dotNewPrevious /= productMag;     738                 dotNewPrevious /= productMag; // Normalise
725                 if( dotNewPrevious < (1 - perT    739                 if( dotNewPrevious < (1 - perThousand) ) 
726                 {                                 740                 {
727                   *argpObtained = false;       << 741                   *argpObtained= false; 
728                                                   742 
729                   if( fVerbose > 2 )  //  dotN    743                   if( fVerbose > 2 )  //  dotNewPrevious <= 0.0 )
730                   {                               744                   {
731                     std::ostringstream message    745                     std::ostringstream message;
732                     message << "Clash of Norma << 746                     message << "Clash of Normal from different Navigators!" << G4endl
733                             << G4endl          << 747                             << "        Previous Navigator Id = " << firstNavigatorId << G4endl
734                             << "        Previo << 748                             << "        Current  Navigator Id = " << num << G4endl;
735                             << firstNavigatorI << 749                     message << "  Dot product of 2 normals = " << dotNewPrevious << G4endl;
736                             << "        Curren << 750                     message << "        Normal (previous) = " << normalGlobalCrd << G4endl;
737                             << num << G4endl;  << 
738                     message << "  Dot product  << 
739                             << dotNewPrevious  << 
740                     message << "        Normal << 
741                             << normalGlobalCrd << 
742                     message << "        Normal    751                     message << "        Normal (current)  = " << newNormal       << G4endl;
743                     G4Exception("G4MultiNaviga << 752                     G4Exception("G4MultiNavigator::GetGlobalExitNormal()", "GeomNav0002",
744                                 "GeomNav0002", << 753                                 JustWarning, message); 
745                   }                               754                   }
746                 }                                 755                 }
747                 else                              756                 else
748                 {                                 757                 {
749                   // Close agreement - Do not     758                   // Close agreement - Do not change 
750                 }                                 759                 }
751               }                                   760               }
752             }                                     761             }
753           }                                       762           }
754         }                                         763         }
755       } // end for over the Navigators            764       } // end for over the Navigators
756                                                   765 
757       // Report if no Normal was obtained         766       // Report if no Normal was obtained
758       if( !oneObtained )                          767       if( !oneObtained ) 
759       {                                           768       {
760         std::ostringstream message;               769         std::ostringstream message;
761         message << "No Normal obtained despite    770         message << "No Normal obtained despite having " << fNoLimitingStep
762                 << " candidate Navigators limi    771                 << " candidate Navigators limiting the step!" << G4endl;
763         G4Exception("G4MultiNavigator::GetGlob    772         G4Exception("G4MultiNavigator::GetGlobalExitNormal()", "GeomNav0002",
764                     JustWarning, message);        773                     JustWarning, message); 
765       }                                           774       }
766                                                   775 
767     } // end if ( fNoLimiting > 1 )               776     } // end if ( fNoLimiting > 1 ) 
768   } // end else                                   777   } // end else
769                                                   778 
770   *argpObtained = isObtained;                  << 779   *argpObtained= isObtained;
771   return normalGlobalCrd;                         780   return normalGlobalCrd;
772 }                                                 781 }
773                                                   782 
774 // ------------------------------------------- << 783 // -----------------  ooooooOOOOOOOOOOOOOOOoooooo -------------------------------------
775                                                   784 
776 G4ThreeVector                                     785 G4ThreeVector 
777 G4MultiNavigator::GetLocalExitNormal(G4bool* a    786 G4MultiNavigator::GetLocalExitNormal(G4bool* argpObtained)
778 {                                                 787 {
779   // If it is the mass navigator, then expect     788   // If it is the mass navigator, then expect
780   G4ThreeVector normalGlobalCrd(0.0, 0.0, 0.0)    789   G4ThreeVector normalGlobalCrd(0.0, 0.0, 0.0); 
781   G4bool isObtained = false;                   << 790   G4bool isObtained= false; 
782   // These default values will be used if fNoL    791   // These default values will be used if fNoLimitingStep== 0
783                                                   792 
784   if( fNoLimitingStep == 1 )                   << 793   if( fNoLimitingStep==1 )
785   {                                               794   { 
786     // Only message the Navigator which limite    795     // Only message the Navigator which limited the step!
787     normalGlobalCrd = fpNavigator[ fIdNavLimit << 796     normalGlobalCrd= fpNavigator[ fIdNavLimiting ]->GetLocalExitNormal( &isObtained); 
788                     ->GetLocalExitNormal( &isO << 797     *argpObtained= isObtained;
789     *argpObtained = isObtained;                << 798 
790                                                << 799     static G4ThreadLocal G4int numberWarnings= 0;
791     static G4ThreadLocal G4int numberWarnings  << 800     G4int noWarningsStart= 10, noModuloWarnings=100; 
792     G4int noWarningsStart = 10, noModuloWarnin << 801     numberWarnings++; 
793     ++numberWarnings;                          << 802     if( (numberWarnings < noWarningsStart ) || (numberWarnings%noModuloWarnings==0) ) 
794     if( (numberWarnings < noWarningsStart )    << 
795      || (numberWarnings%noModuloWarnings == 0) << 
796     {                                             803     {
797       std::ostringstream message;              << 804     std::ostringstream message;
798       message << "Cannot obtain normal in loca << 805     message << "Cannot obtain normal in local coordinates of two or more coordinate systems." << G4endl;
799               << "coordinate systems." << G4en << 806     G4Exception("G4MultiNavigator::GetGlobalExitNormal()", "GeomNav0002",
800       G4Exception("G4MultiNavigator::GetGlobal << 807                 JustWarning, message);       
801                   JustWarning, message);       << 
802     }                                             808     }
803   }                                               809   }
804   else                                            810   else
805   {                                               811   {
806     if( fNoLimitingStep > 1 )                     812     if( fNoLimitingStep > 1 ) 
807     {                                             813     {
808       std::ostringstream message;              << 814         // Does not make sense - cannot obtain *local* normal in several coordinate systems
809       message << "Cannot obtain normal in loca << 815         std::ostringstream message;
810               << "coordinate systems." << G4en << 816         message << "Cannot obtain normal in local coordinates of two or more coordinate systems." << G4endl;
811       G4Exception("G4MultiNavigator::GetGlobal << 817         G4Exception("G4MultiNavigator::GetGlobalExitNormal()", "GeomNav0002",
812                   FatalException, message);    << 818                     FatalException, message);       
813     }                                             819     }
814   }                                               820   }
815                                                   821     
816   *argpObtained = isObtained;                  << 822   *argpObtained= isObtained;
817   return normalGlobalCrd;                         823   return normalGlobalCrd; 
818 }                                                 824 }
819                                                   825 
820 // ------------------------------------------- << 826 
                                                   >> 827 // -----------------  ooooooOOOOOOOOOOOOOOOoooooo -------------------------------------
821                                                   828 
822 G4ThreeVector                                     829 G4ThreeVector 
823 G4MultiNavigator::GetLocalExitNormalAndCheck(c << 830 G4MultiNavigator::GetLocalExitNormalAndCheck(const G4ThreeVector &, // point,
824                                                   831                                                    G4bool* obtained)
825 {                                                 832 {
826   return G4MultiNavigator::GetLocalExitNormal( << 833   return G4MultiNavigator::GetLocalExitNormal( obtained);
827 }                                                 834 }
828                                                   835