Gabriele Cosmo
102 lines
3.7 KiB
C++
102 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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//
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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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// Adopted 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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#include "G4UniformGravityField.hh"
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#include "G4PhysicalConstants.hh"
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#include "G4SystemOfUnits.hh"
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// Construct from a 3-vector
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G4UniformGravityField::G4UniformGravityField(const G4ThreeVector FieldVector)
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: G4Field ( true ) // Gravity flag *on*
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{
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fFieldComponents[0] = FieldVector.x();
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fFieldComponents[1] = FieldVector.y();
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fFieldComponents[2] = FieldVector.z();
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}
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// Construct from a double > default = -9.81 m*s^-2
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G4UniformGravityField::G4UniformGravityField(const G4double gy )
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: G4Field ( true )
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{
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fFieldComponents[0] = 0.0;
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fFieldComponents[1] = gy;
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fFieldComponents[2] = 0.0;
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}
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G4Field* G4UniformGravityField::Clone() const
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{
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return new G4UniformGravityField( G4ThreeVector(fFieldComponents[0],
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fFieldComponents[1],
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fFieldComponents[2]) );
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}
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G4UniformGravityField::~G4UniformGravityField()
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{
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}
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G4UniformGravityField::G4UniformGravityField (const G4UniformGravityField &p)
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: G4Field(p)
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{
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for (G4int i=0; i<3; i++)
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{
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fFieldComponents[i] = p.fFieldComponents[i];
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}
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}
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G4UniformGravityField&
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G4UniformGravityField::operator = (const G4UniformGravityField &p)
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{
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if (&p == this) return *this;
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G4Field::operator=(p);
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for (G4int i=0; i<3; i++)
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{
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fFieldComponents[i] = p.fFieldComponents[i];
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}
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return *this;
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}
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// -------------------------------------------------------------------
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void G4UniformGravityField::GetFieldValue (const G4double [4],
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G4double *G ) const
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{
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G[0]= fFieldComponents[0] ;
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G[1]= fFieldComponents[1] ;
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G[2]= fFieldComponents[2] ;
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}
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