Gabriele Cosmo
104 lines
3.7 KiB
C++
104 lines
3.7 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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// 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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// Author: Peter Gumplinger (TRIUMF), 14.06.2011
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// Thanks to P.Fierlinger (PSI), A.Capra and A.Fontana (INFN Pavia)
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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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/**
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* @brief G4UniformGravityField is a class for defining a uniform
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* gravitation field.
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*/
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class G4UniformGravityField : public G4Field
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{
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public:
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/**
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* Constructor for G4UniformGravityField, a field with value equal
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* to 'FieldVector'.
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* @param[in] FieldVector The field vector value.
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*/
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G4UniformGravityField(const G4ThreeVector& FieldVector );
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/**
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* Alternative constructor for G4UniformGravityField.
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* @param[in] gy The gravitation field value (default is the Standard
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* Gravitational field on earth's surface.
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*/
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G4UniformGravityField(const G4double gy = -9.81*CLHEP::m/CLHEP::s/CLHEP::s);
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/**
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* Default Destructor.
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*/
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~G4UniformGravityField() override = default;
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/**
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* Copy constructor and assignment operator.
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*/
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G4UniformGravityField(const G4UniformGravityField& p);
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G4UniformGravityField& operator=(const G4UniformGravityField& p);
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/**
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* The field can change track energy, so returning true.
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*/
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inline G4bool DoesFieldChangeEnergy() const override { return true; }
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/**
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* Returns the field value 'field' on given time 'Point'.
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*/
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void GetFieldValue(const G4double Point[4], G4double* field) const override;
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/**
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* Returns a pointer to a new allocated clone of this object.
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*/
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G4Field* Clone() const override;
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/**
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* Returns the field type ID, 'kGravity'.
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*/
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inline G4FieldType GetFieldType() const override { return kGravity; }
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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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