Gabriele Cosmo
351 lines
9.3 KiB
Plaintext
351 lines
9.3 KiB
Plaintext
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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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 *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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// $Id: G4Navigator.icc,v 1.8 2001/12/04 16:49:51 radoone Exp $
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// GEANT4 tag $Name: geant4-04-00 $
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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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// Set the world (`topmost') volume
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//
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inline
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void G4Navigator::SetWorldVolume(G4VPhysicalVolume* pWorld)
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{
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// Setup the volume
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pWorld->Setup(0); // No mother since world volume
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if (!(pWorld->GetTranslation()==G4ThreeVector(0,0,0)))
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{
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G4Exception ("G4Navigator::SetWorldVolume - Must be centred on origin");
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}
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const G4RotationMatrix* rm=pWorld->GetRotation();
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if (rm&&(!rm->isIdentity()))
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{
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G4Exception ("G4Navigator::SetWorldVolume - Must not be rotated");
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}
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fTopPhysical=pWorld;
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fHistory.SetFirstEntry(pWorld);
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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::ResetState()
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{
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fWasLimitedByGeometry=false;
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fEntering=false;
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fExiting=false;
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fLocatedOnEdge = false;
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fLastStepWasZero= false;
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fEnteredDaughter = false;
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fExitedMother = false;
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fValidExitNormal = false;
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fExitNormal = G4ThreeVector(0,0,0);
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fPreviousSftOrigin = G4ThreeVector(0,0,0);
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fPreviousSafety = 0.0;
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fBlockedPhysicalVolume=0;
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fBlockedReplicaNo=-1;
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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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ResetState();
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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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// Return global to local transformation
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//
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inline
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const G4AffineTransform G4Navigator::GetLocalToGlobalTransform() const
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{
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G4AffineTransform tempTransform;
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tempTransform= fHistory.GetTopTransform().Inverse();
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return tempTransform;
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}
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// Compute+return the local->global translation of current volume.
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//
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inline
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G4ThreeVector G4Navigator::NetTranslation() const
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{
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G4AffineTransform tf(fHistory.GetTopTransform().Inverse());
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return tf.NetTranslation();
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}
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// Compute+return the local->global rotation of current volume.
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//
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inline
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G4RotationMatrix G4Navigator::NetRotation() const
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{
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G4AffineTransform tf(fHistory.GetTopTransform().Inverse());
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return tf.NetRotation();
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}
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// `Touchable' creation method: caller has deletion responsibility.
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//
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inline
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G4GRSVolume* G4Navigator::CreateGRSVolume() const
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{
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G4AffineTransform tf(fHistory.GetTopTransform().Inverse());
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return new G4GRSVolume(fHistory.GetTopVolume(),
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tf.NetRotation(),
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tf.NetTranslation());
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}
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// `Touchable' creation method: caller has deletion responsibility.
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//
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inline
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G4GRSSolid* G4Navigator::CreateGRSSolid() const
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{
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G4AffineTransform tf(fHistory.GetTopTransform().Inverse());
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return new G4GRSSolid(fHistory.GetTopVolume()->GetLogicalVolume()->GetSolid(),
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tf.NetRotation(),
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tf.NetTranslation());
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}
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// `Touchable' creation method: caller has deletion responsibility.
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//
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inline
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G4TouchableHistory* G4Navigator::CreateTouchableHistory() const
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{
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return new G4TouchableHistory(fHistory);
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}
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// To inform the caller if the track is entering a daughter volume.
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//
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inline
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G4bool G4Navigator::EnteredDaughterVolume()
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{
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return fEnteredDaughter;
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}
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// inline
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// G4bool G4Navigator::ExitedVolume()
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// {
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// return fExitedCurrent;
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// }
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inline
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G4VPhysicalVolume*
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G4Navigator::LocateGlobalPointAndSetup(const G4ThreeVector &p,
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const G4ThreeVector &direction,
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const G4TouchableHistory &h
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)
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{
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ResetState();
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fHistory=*h.GetHistory();
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SetupHierarchy();
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return LocateGlobalPointAndSetup(p, &direction, true, false);
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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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inline
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void G4Navigator::LocateGlobalPointAndUpdateTouchableHandle(
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const G4ThreeVector& position,
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const G4ThreeVector& direction,
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G4TouchableHandle& oldTouchableToUpdate,
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const G4bool RelativeSearch )
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{
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// G4VPhysicalVolume* pPhysVol=LocateGlobalPointAndSetup( position, 0, RelativeSearch);
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G4VPhysicalVolume* pPhysVol=LocateGlobalPointAndSetup( position, &direction, RelativeSearch);
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if( fEnteredDaughter || fExitedMother )
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{
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oldTouchableToUpdate = CreateTouchableHistory();
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if( pPhysVol == 0 ){
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// We want to ensure that the touchable is correct in this case.
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// The method below should do this and recalculate a lot more ....
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oldTouchableToUpdate->UpdateYourself( pPhysVol, &fHistory );
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}
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}
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return;
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}
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inline
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G4TouchableHistoryHandle G4Navigator::CreateTouchableHistoryHandle() const
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{
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return G4TouchableHistoryHandle( CreateTouchableHistory() );
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}
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inline
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G4int G4Navigator::GetVerboseLevel()
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{
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return fVerbose;
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}
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inline
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void G4Navigator::SetVerboseLevel(G4int level)
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{
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fVerbose=level;
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}
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