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geant4/source/geometry/navigation/include/G4AuxiliaryNavServices.hh
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2016-06-09 15:37:50 +02:00

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//
// ********************************************************************
// * License and Disclaimer *
// * *
// * The Geant4 software is copyright of the Copyright Holders of *
// * the Geant4 Collaboration. It is provided under the terms and *
// * conditions of the Geant4 Software License, included in the file *
// * LICENSE and available at http://cern.ch/geant4/license . These *
// * include a list of copyright holders. *
// * *
// * Neither the authors of this software system, nor their employing *
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// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
// * use. Please see the license in the file LICENSE and URL above *
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// * *
// * This code implementation is the result of the scientific and *
// * technical work of the GEANT4 collaboration. *
// * By using, copying, modifying or distributing the software (or *
// * any work based on the software) you agree to acknowledge its *
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// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
//
// $Id: G4AuxiliaryNavServices.hh,v 1.4 2007/05/22 07:48:08 gcosmo Exp $
// GEANT4 tag $Name: geant4-09-01 $
//
//
// class G4AuxiliaryNavServices
//
// Class description:
//
// Utility class for navigation.
// History:
// - Created: Paul Kent, Aug 96
// --------------------------------------------------------------------
#ifndef G4AuxiliaryNavServices_hh
#define G4AuxiliaryNavServices_hh
#include "G4Types.hh"
#include "G4ThreeVector.hh"
#include "G4VSolid.hh"
#include "G4AffineTransform.hh"
class G4AuxiliaryNavServices
{
public: // with description
static G4bool CheckPointOnSurface( const G4VSolid* sampleSolid,
const G4ThreeVector& localPoint,
const G4ThreeVector* globalDirection,
const G4AffineTransform& sampleTransform,
const G4bool locatedOnEdge);
//
// Is the track (point, direction) inside the solid 'sampleSolid' ?
// Returns true if we are going to enter the volume,
// which is the case if:
// - the point is inside
// - the point is on the surface and the direction points inside
// or along it.
// Else returns false.
static G4bool CheckPointExiting( const G4VSolid* sampleSolid,
const G4ThreeVector& localPoint,
const G4ThreeVector* globalDirection,
const G4AffineTransform& sampleTransform );
//
// Is the track (point, direction) exiting the solid 'sampleSolid' ?
// Returns true if we are going to exit the volume.
private:
G4bool testOne();
};
#include "G4AuxiliaryNavServices.icc"
#endif