errProp/include/ExErrorMagneticField.hh

0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
0004 // *                                                                  *
0005 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
0006 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
0007 // * conditions of the Geant4 Software License,  included in the file *
0008 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
0009 // * include a list of copyright holders.                             *
0010 // *                                                                  *
0011 // * Neither the authors of this software system, nor their employing *
0012 // * institutes,nor the agencies providing financial support for this *
0013 // * work  make  any representation or  warranty, express or implied, *
0014 // * regarding  this  software system or assume any liability for its *
0015 // * use.  Please see the license in the file  LICENSE  and URL above *
0016 // * for the full disclaimer and the limitation of liability.         *
0017 // *                                                                  *
0018 // * This  code  implementation is the result of  the  scientific and *
0019 // * technical work of the GEANT4 collaboration.                      *
0020 // * By using,  copying,  modifying or  distributing the software (or *
0021 // * any work based  on the software)  you  agree  to acknowledge its *
0022 // * use  in  resulting  scientific  publications,  and indicate your *
0023 // * acceptance of all terms of the Geant4 Software license.          *
0024 // ********************************************************************
0025 //
0026 //
0027 /// \file errProp/include/ExErrorMagneticField.hh
0028 /// \brief Definition of the ExErrorMagneticField class
0029 //
0030
0031 #ifndef ExErrorMagneticField_H
0032 #define ExErrorMagneticField_H
0033
0034 #include "G4UniformMagField.hh"
0035
0036 class G4FieldManager;
0037
0038 /// Magnetic field class
0039 ///
0040 /// A uniform 1 kilogauss field along the Z axis
0041 ///
0042 /// History:
0043 /// Created:   May 2007
0044 /// \author   P. Arce
0045 //------------------------------------------------------------------------
0046
0047 class ExErrorMagneticField : public G4UniformMagField
0048 {
0049   public:
0050     ExErrorMagneticField(G4ThreeVector);  //  The value of the field
0051     ExErrorMagneticField();  //  A zero field
0052
0053     // Set the field (0,0,fieldValue)
0054     void SetFieldValue(G4double fieldValue);
0055     void SetFieldValue(G4ThreeVector fieldVector);
0056
0057   protected:
0058     // Find the global Field Manager
0059     G4FieldManager* GetGlobalFieldManager();  // static
0060 };
0061
0062 #endif