Gabriele Cosmo
174 lines
4.0 KiB
Plaintext
174 lines
4.0 KiB
Plaintext
// 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: G4Navigator.icc,v 1.3 2000/11/01 16:51:07 gcosmo Exp $
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// GEANT4 tag $Name: geant4-03-00 $
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//
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//
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// class G4Navigator Inline implementation
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// Return the local coordinate of the current track
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//
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inline
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G4ThreeVector G4Navigator::GetCurrentLocalCoordinate() const
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{
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return fLastLocatedPointLocal;
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}
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// Return local direction of vector direction in world coord system
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//
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inline
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G4ThreeVector G4Navigator::ComputeLocalAxis(const G4ThreeVector& pVec) const
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{
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return (fHistory.GetTopTransform().IsRotated())
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? fHistory.GetTopTransform().TransformAxis(pVec) : pVec ;
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}
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// Return local coordinates of a point in the world coord system
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//
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inline
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G4ThreeVector G4Navigator::ComputeLocalPoint(const G4ThreeVector& pGlobalPoint) const
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{
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return ( fHistory.GetTopTransform().TransformPoint(pGlobalPoint) ) ;
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}
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// Return the current world (`topmost') volume
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//
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inline
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G4VPhysicalVolume* G4Navigator::GetWorldVolume() const
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{
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return fTopPhysical;
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}
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// Inform the navigator that the previous Step calculated
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// by the geometry was taken in its entirety
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//
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inline
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void G4Navigator::SetGeometricallyLimitedStep()
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{
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fWasLimitedByGeometry=true;
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}
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// Reset stack and minimum of navigator state `machine'
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//
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inline
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void G4Navigator::ResetStackAndState()
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{
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fHistory.Reset();
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fWasLimitedByGeometry=false;
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fEntering=false;
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fExiting=false;
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fLastStepWasZero= false;
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fBlockedPhysicalVolume=0;
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fBlockedReplicaNo=-1;
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}
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inline
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EVolume G4Navigator::VolumeType(const G4VPhysicalVolume *pVol) const
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{
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EVolume type;
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EAxis axis;
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G4int nReplicas;
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G4double width,offset;
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G4bool consuming;
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if (pVol->IsReplicated())
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{
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pVol->GetReplicationData(axis,nReplicas,width,offset,consuming);
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type=(consuming) ? kReplica : kParameterised;
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}
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else
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{
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type=kNormal;
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}
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return type;
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}
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inline
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EVolume G4Navigator::CharacteriseDaughters(const G4LogicalVolume *pLog) const
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{
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EVolume type;
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EAxis axis;
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G4int nReplicas;
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G4double width,offset;
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G4bool consuming;
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G4VPhysicalVolume *pVol;
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if (pLog->GetNoDaughters()==1)
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{
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pVol=pLog->GetDaughter(0);
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if (pVol->IsReplicated())
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{
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pVol->GetReplicationData(axis,nReplicas,width,offset,consuming);
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type=(consuming) ? kReplica : kParameterised;
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}
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else
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{
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type=kNormal;
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}
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}
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else
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{
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type=kNormal;
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}
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return type;
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}
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// JA April 30th, 1997
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//
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// Is the Surface Normal valid?
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//
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inline
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G4bool G4Navigator::IsExitNormalValid()
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{
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return fExiting && fValidExitNormal;
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}
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// Obtain the Normal vector to a surface (in local coordinates)
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// (It is valid only if Navigator replied true to above function)
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//
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inline
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G4ThreeVector G4Navigator::GetLocalExitNormal()
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{
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return fExitNormal;
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}
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// Return local to global transformation.
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// I.e. transformation that will take point or axis in world coord system
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// and return one in the local coord system
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//
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inline
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const G4AffineTransform& G4Navigator::GetGlobalToLocalTransform() const
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{
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return fHistory.GetTopTransform();
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}
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inline
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void G4Navigator::LocateGlobalPointAndUpdateTouchable(
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const G4ThreeVector& position,
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G4VTouchable* touchableToUpdate,
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const G4bool RelativeSearch )
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{
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G4VPhysicalVolume* pPhysVol;
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pPhysVol= LocateGlobalPointAndSetup( position, 0, RelativeSearch);
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touchableToUpdate->UpdateYourself( pPhysVol, &fHistory );
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}
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inline
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void G4Navigator::LocateGlobalPointAndUpdateTouchable(
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const G4ThreeVector& position,
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const G4ThreeVector& direction,
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G4VTouchable* touchableToUpdate,
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const G4bool RelativeSearch )
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{
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G4VPhysicalVolume* pPhysVol;
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pPhysVol= LocateGlobalPointAndSetup( position, &direction, RelativeSearch);
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touchableToUpdate->UpdateYourself( pPhysVol, &fHistory );
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}
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