Import Geant4 0.0.0 source tree

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+// This code implementation is the intellectual property of
+// the RD44 GEANT4 collaboration.
+//
+// By copying, distributing or modifying the Program (or any work
+// based on the Program) you indicate your acceptance of this statement,
+// and all its terms.
+//
+// $Id: G4FastTrack.hh,v 2.3 1998/10/13 09:54:30 mora Exp $
+// GEANT4 tag $Name: geant4-00 $
+//
+// $Id:
+//---------------------------------------------------------------
+//
+//  G4FastTrack.hh
+//
+//  Description:
+//    Keeps the current track information and special features
+//    for Parameterised Simulation Models.
+//
+//  History:
+//    Oct 97: Verderi && MoraDeFreitas - First Implementation.
+//
+//---------------------------------------------------------------
+
+
+#ifndef G4FastTrack_h
+#define G4FastTrack_h
+
+#include "G4VSolid.hh"
+#include "G4LogicalVolume.hh"
+#include "G4AffineTransform.hh"
+#include "G4Track.hh"
+#include "G4Navigator.hh"
+
+//---------------------------
+// For possible future needs:
+//---------------------------
+typedef G4LogicalVolume G4Envelope;
+
+
+//-------------------------------------------
+//
+//        G4FastTrack class
+//
+//-------------------------------------------
+class G4FastTrack
+{
+public:
+  //------------------------
+  // Constructor/Destructor
+  //------------------------
+  // Only one Constructor. By default the envelope can
+  // be placed n-Times. If the user is sure that it'll be 
+  // placed just one time, the IsUnique flag should be set 
+  // TRUE to avoid the G4AffineTransform re-calculations each 
+  // time we reach the envelope.
+  G4FastTrack(G4Envelope *anEnvelope,
+	      G4bool IsUnique);
+  ~G4FastTrack();
+
+  //------------------------------------------------------------
+  // The fast simulation manager uses the SetCurrentTrack
+  // method to setup the current G4FastTrack object 
+  //------------------------------------------------------------
+  void SetCurrentTrack(const G4Track&, const G4Navigator* a = NULL);
+
+  //------------------------------------------------------------
+  // The fast simulation manager uses the OnTheBoundaryButExiting
+  // method to test if the particle is leaving the envelope.
+  //------------------------------------------------------------
+  G4bool OnTheBoundaryButExiting() const;
+
+  //----------------------------------
+  // Informations useful to the user :
+  // General public get functions.
+  //----------------------------------
+  const G4Track* GetPrimaryTrack() const;
+  G4Envelope* GetEnvelope() const;
+  G4VPhysicalVolume* GetEnvelopePhysicalVolume() const;
+  G4VSolid* GetEnvelopeSolid() const;
+
+  //-----------------------------------
+  // Primary track informations in the
+  // Envelope coordinate system.
+  //-----------------------------------
+  G4ThreeVector GetPrimaryTrackLocalPosition() const;
+  G4ThreeVector GetPrimaryTrackLocalMomentum() const;
+  G4ThreeVector GetPrimaryTrackLocalDirection() const;
+  G4ThreeVector GetPrimaryTrackLocalPolarization() const;
+  
+  //------------------------------------
+  // 3D transformation of the envelope:
+  //------------------------------------
+  // Global -> Local
+  const G4AffineTransform* GetAffineTransformation() const;  
+  // Local -> Global
+  const G4AffineTransform* GetInverseAffineTransformation() const; 
+
+  //-----------------
+  // Private members
+  //-----------------
+private:
+
+  // Current G4Track pointer
+  const G4Track* fTrack;
+
+  //------------------------------------------------
+  // Records the Affine/InverseAffine transformation
+  // of the envelope.
+  //------------------------------------------------
+  void FRecordsAffineTransformation(const G4Navigator*);
+  G4bool fAffineTransformationDefined;
+  G4Envelope* fEnvelope;
+  G4bool fIsUnique;
+  G4VPhysicalVolume* fEnvelopePhysicalVolume;
+  G4VSolid* fEnvelopeSolid;
+  G4ThreeVector fLocalTrackPosition, fLocalTrackMomentum, 
+    fLocalTrackDirection, fLocalTrackPolarization;
+  G4AffineTransform fAffineTransformation, fInverseAffineTransformation;
+};
+
+//*******************************************************************
+//
+//  Inline functions
+//
+//*******************************************************************
+
+inline G4Envelope* G4FastTrack::GetEnvelope() const
+{
+  return fEnvelope;
+}
+
+inline G4VPhysicalVolume* G4FastTrack::GetEnvelopePhysicalVolume() const
+{
+  return fEnvelopePhysicalVolume;
+}
+
+inline G4VSolid* G4FastTrack::GetEnvelopeSolid() const
+{
+  return fEnvelopeSolid;
+}
+
+inline const G4Track* G4FastTrack::GetPrimaryTrack() const
+{
+  return fTrack;
+}
+
+inline G4ThreeVector G4FastTrack::GetPrimaryTrackLocalPosition() const
+{
+  return fLocalTrackPosition;
+}
+
+inline G4ThreeVector G4FastTrack::GetPrimaryTrackLocalMomentum() const
+{
+  return fLocalTrackMomentum;
+}
+
+inline G4ThreeVector G4FastTrack::GetPrimaryTrackLocalDirection() const
+{
+  return fLocalTrackDirection;
+}
+
+inline G4ThreeVector G4FastTrack::GetPrimaryTrackLocalPolarization() const
+{
+  return fLocalTrackPolarization;
+}
+
+inline const G4AffineTransform* G4FastTrack::GetAffineTransformation() const
+{
+  return &fAffineTransformation;
+}
+
+inline const G4AffineTransform* G4FastTrack::GetInverseAffineTransformation() const
+{
+  return &fInverseAffineTransformation;
+}
+
+inline G4bool G4FastTrack::OnTheBoundaryButExiting() const 
+{
+  // tests if particle are on the boundary and leaving.
+  return GetEnvelopeSolid()->
+    DistanceToOut(GetPrimaryTrackLocalPosition(),
+		  GetPrimaryTrackLocalDirection())==0.;
+}
+
+#endif