Gabriele Cosmo
67 lines
1.9 KiB
C++
67 lines
1.9 KiB
C++
// This code implementation is the intellectual property of
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// the GEANT4 collaboration.
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//
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// By copying, distributing or modifying the Program (or any work
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// based on the Program) you indicate your acceptance of this statement,
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// and all its terms.
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//
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// $Id: G4TransportationManager.cc,v 1.5 1999/12/15 14:50:27 gunter Exp $
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// GEANT4 tag $Name: geant4-01-01 $
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//
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//
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// G4TransportationManager
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//
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//
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#include "G4TransportationManager.hh"
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// The following inclusions should be left here, as only
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// the constructor and destructor require them.
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#include "G4PropagatorInField.hh"
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#include "G4FieldManager.hh"
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// This will ensure correct order of construction and destruption of
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// static objects.
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#include "G4NavigationLevel.hh"
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G4Allocator<G4NavigationLevel> aNavigationLevelAllocator;
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G4Allocator<G4NavigationLevelRep> aNavigLevelRepAllocator;
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// Ditto: correct order initialisation of class (class) data members
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const G4double G4PropagatorInField::fDefault_Delta_Intersection_Val= 0.1 * mm;
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const G4double G4PropagatorInField::fDefault_Delta_One_Step_Value = 0.25 * mm;
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G4TransportationManager* G4TransportationManager::fTransportationManager=0;
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G4TransportationManager::G4TransportationManager()
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{
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if (!fTransportationManager)
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{
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fNavigatorForTracking= new G4Navigator() ;
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fFieldManager= new G4FieldManager() ;
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fPropagatorInField= new G4PropagatorInField( fNavigatorForTracking,
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fFieldManager);
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}
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else
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{
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G4Exception("Only ONE instance of G4TransportationManager is allowed!");
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}
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}
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G4TransportationManager::~G4TransportationManager()
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{
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delete fNavigatorForTracking;
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delete fPropagatorInField;
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delete fFieldManager;
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}
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G4TransportationManager* G4TransportationManager::GetTransportationManager()
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{
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static G4TransportationManager theInstance;
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if (!fTransportationManager)
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fTransportationManager = &theInstance;
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return fTransportationManager;
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}
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