Gabriele Cosmo
81 lines
3.1 KiB
C++
81 lines
3.1 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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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. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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// class G4UniformGravifyField
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//
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// Class description:
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//
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// Class for creation of Uniform Gravitation Field.
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//
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// History:
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// - 14.06.11 P.Gumplinger, Created.
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// -------------------------------------------------------------------
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// Adapted from G4UniformElectricField.hh
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//
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// Thanks to Peter Fierlinger (PSI) and
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// A. Capra and A. Fontana (INFN Pavia)
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// -------------------------------------------------------------------
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//
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#ifndef G4UNIFORMGRAVITYFIELD_HH
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#define G4UNIFORMGRAVITYFIELD_HH
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#include <CLHEP/Units/PhysicalConstants.h>
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#include "G4Types.hh"
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#include "G4ThreeVector.hh"
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#include "G4Field.hh"
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class G4UniformGravityField : public G4Field
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{
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public: // with description
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G4UniformGravityField(const G4ThreeVector FieldVector );
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// A field with value equal to FieldVector.
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G4UniformGravityField(const G4double gy = -9.81*CLHEP::m/CLHEP::s/CLHEP::s);
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// Standard Gravitational field on earth's surface
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virtual ~G4UniformGravityField();
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G4UniformGravityField(const G4UniformGravityField &p);
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G4UniformGravityField& operator = (const G4UniformGravityField &p);
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// Copy constructor and assignment operator
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G4bool DoesFieldChangeEnergy() const { return true; }
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// Since a gravitational field can change track energy
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virtual void GetFieldValue(const G4double Point[4], G4double *field) const;
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virtual G4Field* Clone() const;
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private:
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G4double fFieldComponents[3];
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};
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#endif
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