Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/event/src/G4VPrimaryGenerator.cc

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 25 //
 26 // G4VPrimaryGenerator class implementation
 27 //
 28 // Author: Makoto Asai (SLAC)
 29 // --------------------------------------------------------------------
 30 
 31 #include "G4VPrimaryGenerator.hh"
 32 #include "G4TransportationManager.hh"
 33 #include "G4StateManager.hh"
 34 #include "G4Navigator.hh"
 35 #include "G4VPhysicalVolume.hh"
 36 #include "G4VSolid.hh"
 37 
 38 G4bool G4VPrimaryGenerator::CheckVertexInsideWorld(const G4ThreeVector& pos)
 39 {
 40   // Check can only happen if run has been initialised
 41   //
 42   if (G4StateManager::GetStateManager()->GetCurrentState() != G4State_Idle)
 43   {
 44     return true;
 45   }
 46 
 47   G4Navigator* navigator= G4TransportationManager::GetTransportationManager()
 48                                                  -> GetNavigatorForTracking();
 49   G4VPhysicalVolume* world= navigator-> GetWorldVolume();
 50   G4VSolid* solid = world-> GetLogicalVolume()-> GetSolid();
 51   EInside qinside = solid-> Inside(pos);
 52   
 53   return qinside == kInside;
 54 }
 55 
 56 void G4VPrimaryGenerator::SetParticlePosition(G4ThreeVector aPosition)
 57 {
 58   if (ifCheckInside && !CheckVertexInsideWorld(aPosition))
 59   {
 60     G4ExceptionDescription ed;
 61     ed << "Invalid vertex position (" << aPosition << "). "
 62        << "Position MUST be located -inside- the world volume." << G4endl
 63        << "Gun position has NOT been changed!";
 64     G4Exception("G4VPrimaryGenerator::SetParticlePosition",
 65                 "Event0401", JustWarning, ed);
 66     return;
 67   }
 68   particle_position = aPosition;
 69 }
 70