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geant4/source/geometry/volumes/include/G4NormalNavigation.hh
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2016-06-08 15:28:20 +02:00

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C++

// This code implementation is the intellectual property of
// the 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: G4NormalNavigation.hh,v 1.1.10.1 1999/12/07 20:48:40 gunter Exp $
// GEANT4 tag $Name: geant4-01-00 $
//
//
// class G4NormalNavigation: Utility for navigation in volumes
// containing only G4PVPlacement daughter volumes. Paul Kent Aug 96
#ifndef G4NORMALNAVIGATION_HH
#define G4NORMALNAVIGATION_HH
#include "geomdefs.hh"
#include "G4NavigationHistory.hh"
#include "G4AffineTransform.hh"
#include "G4VPhysicalVolume.hh"
#include "G4LogicalVolume.hh"
#include "G4VSolid.hh"
#include "G4ThreeVector.hh"
class G4NormalNavigation
{
public:
// Search positioned volumes in mother at current top level of history for
// volume containing globalPoint. Do not test the blocked volume. If a
// containing volume is found, `stack' the new volume and return true,
// else return false (the point lying in the mother but not any of the
// daughters). localPoint = global point in local system on entry,
// point in new system on exit.
G4bool LevelLocate(G4NavigationHistory &history,
const G4VPhysicalVolume *blockedVol,
const G4int blockedNum,
const G4ThreeVector &globalPoint,
const G4ThreeVector* globalDirection,
const G4bool pLocatedOnEdge,
G4ThreeVector &localPoint);
G4double ComputeStep(const G4ThreeVector &localPoint,
const G4ThreeVector &localDirection,
const G4double currentProposedStepLength,
G4double &newSafety,
G4NavigationHistory &history,
G4bool &validExitNormal,
G4ThreeVector &exitNormal,
G4bool &exiting,
G4bool &entering,
G4VPhysicalVolume *(*pBlockedPhysical),
G4int &blockedReplicaNo);
G4double ComputeSafety(const G4ThreeVector &globalpoint,
const G4NavigationHistory &history,
const G4double pMaxLength=DBL_MAX );
};
#include "G4AuxiliaryNavServices.hh" // Needed for inline methods
#include "G4NormalNavigation.icc"
#endif