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@@ -24,8 +24,8 @@
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// ********************************************************************
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//
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//
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// $Id: G4FastSimulationManagerProcess.cc,v 1.15 2007/05/11 13:50:20 mverderi Exp $
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// GEANT4 tag $Name: geant4-09-00 $
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// $Id: G4FastSimulationManagerProcess.cc,v 1.17 2007/11/30 18:05:14 mverderi Exp $
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// GEANT4 tag $Name: geant4-09-01 $
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//
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//
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//---------------------------------------------------------------
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@@ -47,67 +47,83 @@
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#include "G4TransportationManager.hh"
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#include "G4PathFinder.hh"
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#include "G4ParticleChange.hh"
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#include "G4FieldTrackUpdator.hh"
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#define PARANOIA
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G4FastSimulationManagerProcess::
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G4FastSimulationManagerProcess(const G4String& processName,
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G4ProcessType theType) :
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G4ProcessType theType) :
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G4VProcess(processName,theType),
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fWorldVolume(0),
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fIsTrackingTime(false),
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fNavigator(0),
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fNavigatorIndex(-1),
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fGhostNavigator(0),
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fGhostNavigatorIndex(-1),
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fIsGhostGeometry(false),
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fGhostSafety(-1.0),
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fFieldTrack('0'),
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fFastSimulationManager(0),
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fFastSimulationTrigger(false)
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{
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SetWorldVolume(G4TransportationManager::GetTransportationManager()->GetNavigatorForTracking()->GetWorldVolume()->GetName());
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fPathFinder = G4PathFinder::GetInstance();
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fTransportationManager = G4TransportationManager::GetTransportationManager();
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SetWorldVolume(fTransportationManager->GetNavigatorForTracking()->GetWorldVolume()->GetName());
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if (verboseLevel>0) G4cout << "G4FastSimulationManagerProcess `" << GetProcessName()
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<< "' is created, and will message geometry with world volume `"
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<< fWorldVolume->GetName() << "'." << G4endl;
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G4GlobalFastSimulationManager::GetGlobalFastSimulationManager()->AddFSMP(this);
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}
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G4FastSimulationManagerProcess::
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G4FastSimulationManagerProcess(const G4String& processName,
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const G4String& worldVolumeName,
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G4ProcessType theType) :
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const G4String& worldVolumeName,
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G4ProcessType theType) :
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G4VProcess(processName,theType),
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fWorldVolume(0),
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fIsTrackingTime(false),
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fNavigator(0),
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fNavigatorIndex(-1),
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fGhostNavigator(0),
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fGhostNavigatorIndex(-1),
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fIsGhostGeometry(false),
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fGhostSafety(-1.0),
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fFieldTrack('0'),
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fFastSimulationManager(0),
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fFastSimulationTrigger(false)
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{
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fPathFinder = G4PathFinder::GetInstance();
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fTransportationManager = G4TransportationManager::GetTransportationManager();
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SetWorldVolume(worldVolumeName);
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if (verboseLevel>0) G4cout << "G4FastSimulationManagerProcess `" << GetProcessName()
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<< "' is created, and will message geometry with world volume `"
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<< fWorldVolume->GetName() << "'." << G4endl;
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G4GlobalFastSimulationManager::GetGlobalFastSimulationManager()->AddFSMP(this);
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}
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G4FastSimulationManagerProcess::
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G4FastSimulationManagerProcess(const G4String& processName,
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G4VPhysicalVolume* worldVolume,
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G4ProcessType theType) :
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G4VPhysicalVolume* worldVolume,
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G4ProcessType theType) :
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G4VProcess(processName,theType),
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fWorldVolume(0),
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fIsTrackingTime(false),
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fNavigator(0),
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fNavigatorIndex(-1),
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fGhostNavigator(0),
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fGhostNavigatorIndex(-1),
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fIsGhostGeometry(false),
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fGhostSafety(-1.0),
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fFieldTrack('0'),
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fFastSimulationManager(0),
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fFastSimulationTrigger(false)
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{
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fPathFinder = G4PathFinder::GetInstance();
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fTransportationManager = G4TransportationManager::GetTransportationManager();
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SetWorldVolume(worldVolume);
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if (verboseLevel>0) G4cout << "G4FastSimulationManagerProcess `" << GetProcessName()
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<< "' is created, and will message geometry with world volume `"
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<< fWorldVolume->GetName() << "'." << G4endl;
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G4GlobalFastSimulationManager::GetGlobalFastSimulationManager()->AddFSMP(this);
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}
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@@ -130,7 +146,7 @@ SetWorldVolume(G4String newWorldName)
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<< "': changing world volume at tracking time is not allowed for now. Call ignored !!!" << G4endl;
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else
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{
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G4VPhysicalVolume* newWorld = G4TransportationManager::GetTransportationManager()->IsWorldExisting(newWorldName);
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G4VPhysicalVolume* newWorld = fTransportationManager->IsWorldExisting(newWorldName);
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G4String tellWhatIsWrong;
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tellWhatIsWrong = "Volume newWorldName = `"; tellWhatIsWrong += newWorldName; tellWhatIsWrong += "' is not a parallel world nor the mass world volume.";
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if (newWorld == 0) G4Exception("G4FastSimulationManagerProcess::SetWorldVolume(const G4String&, G4bool verbose)",
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@@ -145,7 +161,6 @@ SetWorldVolume(G4String newWorldName)
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<< "': setting world volume from to `"<< newWorld->GetName() << "'." << G4endl;
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fWorldVolume = newWorld;
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}
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}
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@@ -154,7 +169,7 @@ G4FastSimulationManagerProcess::
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SetWorldVolume(G4VPhysicalVolume* newWorld)
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{
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if (newWorld) SetWorldVolume(newWorld->GetName());
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else G4cout << "!!! G4FastSimulationManagerProcess::SetWorldVolume(const G4VPhysicalVolume* newWorld) : null pointer passed. !!! Continuing at your own risks..." << G4endl;
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else G4Exception("!!! G4FastSimulationManagerProcess::SetWorldVolume(const G4VPhysicalVolume* newWorld) : null pointer passed. !!!");
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}
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@@ -163,18 +178,19 @@ SetWorldVolume(G4VPhysicalVolume* newWorld)
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// --------------------
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void
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G4FastSimulationManagerProcess::
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StartTracking(G4Track*)
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StartTracking(G4Track* track)
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{
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fIsTrackingTime = true;
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fIsFirstStep = true;
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// -- fetch the navigator (and its index) and activate it:
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G4TransportationManager* transportationManager = G4TransportationManager::GetTransportationManager();
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fNavigator = transportationManager->GetNavigator(fWorldVolume);
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if (fNavigator != transportationManager->GetNavigatorForTracking())
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fNavigatorIndex = transportationManager->ActivateNavigator(fNavigator);
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else
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fNavigatorIndex = 0;
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fGhostNavigator = transportationManager->GetNavigator(fWorldVolume);
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fIsGhostGeometry = (fGhostNavigator != transportationManager->GetNavigatorForTracking());
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if (fIsGhostGeometry) fGhostNavigatorIndex = transportationManager->ActivateNavigator(fGhostNavigator);
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else fGhostNavigatorIndex = -1;
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fPathFinder->PrepareNewTrack(track->GetPosition(), track->GetMomentumDirection());
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}
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@@ -183,6 +199,7 @@ G4FastSimulationManagerProcess::
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EndTracking()
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{
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fIsTrackingTime = false;
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if ( fIsGhostGeometry ) fTransportationManager->DeActivateNavigator(fGhostNavigator);
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}
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@@ -196,23 +213,24 @@ PostStepGetPhysicalInteractionLength(const G4Track& track,
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G4ForceCondition* condition)
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{
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#ifdef PARANOIA
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if ( fNavigator->GetWorldVolume() != fWorldVolume ) G4Exception("!!! ??? INCONSISTENT NAVIGATORS/WORLD VOLUMES ??? !!!");
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if ( fGhostNavigator->GetWorldVolume() != fWorldVolume ) G4Exception("!!! ??? INCONSISTENT NAVIGATORS/WORLD VOLUMES ??? !!!");
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#endif
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// -- Get current volume, and check for presence of fast simulation manager.
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// -- For the case of the navigator for tracking (fNavigatorIndex == 0)
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// -- For the case of the navigator for tracking (fGhostNavigatorIndex == 0)
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// -- we use the track volume. This allows the code to be valid for both
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// -- cases where the PathFinder is used (G4CoupledTranportation) or not
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// -- (G4Transportation).
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const G4VPhysicalVolume* currentVolume(0);
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if (fNavigatorIndex == 0) currentVolume = track.GetVolume();
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else currentVolume = G4PathFinder::GetInstance()->GetLocatedVolume(fNavigatorIndex);
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if ( fIsGhostGeometry ) currentVolume = fPathFinder->GetLocatedVolume(fGhostNavigatorIndex);
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else currentVolume = track.GetVolume();
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if ( currentVolume )
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{
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fFastSimulationManager = currentVolume->GetLogicalVolume()->GetFastSimulationManager();
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if( fFastSimulationManager )
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{
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// Ask for trigger:
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fFastSimulationTrigger = fFastSimulationManager->PostStepGetFastSimulationManagerTrigger(track, fNavigator);
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fFastSimulationTrigger = fFastSimulationManager->PostStepGetFastSimulationManagerTrigger(track, fGhostNavigator);
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if( fFastSimulationTrigger )
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{
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// Take control over stepping:
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@@ -244,6 +262,80 @@ PostStepDoIt(const G4Track&,
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}
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G4double
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G4FastSimulationManagerProcess::
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AlongStepGetPhysicalInteractionLength(const G4Track& track,
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G4double previousStepSize,
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G4double currentMinimumStep,
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G4double& proposedSafety,
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G4GPILSelection* selection)
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{
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*selection = NotCandidateForSelection;
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G4double returnedStep = DBL_MAX;
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// ---------------------------------------------------
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// -- Below code valid for ghost geometry, otherwise
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// -- useless for fast simulation attached to mass
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// -- geometry. Warn user in case along used for
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// -- mass geometry ?
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// --------------------------------------------------
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if ( fIsGhostGeometry )
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{
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static G4FieldTrack endTrack('0');
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static ELimited eLimited;
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if (previousStepSize > 0.) fGhostSafety -= previousStepSize;
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if (fGhostSafety < 0.) fGhostSafety = 0.0;
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// ------------------------------------------
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// Determination of the proposed step length:
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// ------------------------------------------
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if (currentMinimumStep <= fGhostSafety && currentMinimumStep > 0.)
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{
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// -- No chance to limit the step, as proposed move inside safety
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returnedStep = currentMinimumStep;
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proposedSafety = fGhostSafety - currentMinimumStep;
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}
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else
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{
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// -- Proposed move exceeds safety, need to state
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G4FieldTrackUpdator::Update(&fFieldTrack, &track);
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returnedStep = fPathFinder->ComputeStep(fFieldTrack,
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currentMinimumStep,
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fGhostNavigatorIndex,
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track.GetCurrentStepNumber(),
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fGhostSafety,
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eLimited,
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endTrack,
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track.GetVolume());
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if(eLimited == kDoNot) fGhostSafety = fGhostNavigator->ComputeSafety(endTrack.GetPosition()); // -- step no limited by ghost
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proposedSafety = fGhostSafety;
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if (eLimited == kUnique || eLimited == kSharedOther) *selection = CandidateForSelection;
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else if (eLimited == kSharedTransport) returnedStep *= (1.0 + 1.0e-9); // -- Expand to disable its selection in Step Manager comparison
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}
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}
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// ----------------------------------------------
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// Returns the fGhostSafety as the proposedSafety
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// The SteppingManager will take care of keeping
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// the smallest one.
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// ----------------------------------------------
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return returnedStep;
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}
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G4VParticleChange*
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G4FastSimulationManagerProcess::
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AlongStepDoIt(const G4Track& track,
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const G4Step&)
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{
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fDummyParticleChange.Initialize(track);
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return &fDummyParticleChange;
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}
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//--------------------------------------------
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// At Rest parameterisation:
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//--------------------------------------------
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@@ -251,17 +343,17 @@ PostStepDoIt(const G4Track&,
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//--------------------------------------------
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G4double
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G4FastSimulationManagerProcess::
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AtRestGetPhysicalInteractionLength(const G4Track& track,
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AtRestGetPhysicalInteractionLength(const G4Track& track,
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G4ForceCondition* condition)
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{
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const G4VPhysicalVolume* currentVolume(0);
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if (fNavigatorIndex == 0) currentVolume = track.GetVolume();
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else currentVolume = G4PathFinder::GetInstance()->GetLocatedVolume(fNavigatorIndex);
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if ( fIsGhostGeometry ) currentVolume = fPathFinder->GetLocatedVolume(fGhostNavigatorIndex);
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else currentVolume = track.GetVolume();
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fFastSimulationManager = currentVolume->GetLogicalVolume()->GetFastSimulationManager();
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if( fFastSimulationManager )
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{
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// Ask for trigger:
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fFastSimulationTrigger = fFastSimulationManager->AtRestGetFastSimulationManagerTrigger(track, fNavigator);
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fFastSimulationTrigger = fFastSimulationManager->AtRestGetFastSimulationManagerTrigger(track, fGhostNavigator);
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if( fFastSimulationTrigger )
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{
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// Dirty trick to take control over stepping. Does anyone will ever use that ?
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@@ -273,7 +365,6 @@ AtRestGetPhysicalInteractionLength(const G4Track& track,
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// -- no fast simulation occuring there:
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*condition = NotForced;
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return DBL_MAX;
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}
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//-----------------------------------------------
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