hadrontherapy/include/HadrontherapyMagneticField3D.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 // Hadrontherapy advanced example for Geant4
0027 // See more at: https://twiki.cern.ch/twiki/bin/view/Geant4/AdvancedExamplesHadrontherapy
0028 // (This class was adapted from the purging magnet example, by S.Larsson and J. Generowicz.)
0029
0030 #include "globals.hh"
0031 #include "G4MagneticField.hh"
0032 #include "G4ios.hh"
0033
0034 #include <fstream>
0035 #include <vector>
0036 #include <cmath>
0037
0038 class HadrontherapyMagneticField3D
0039 #ifndef STANDALONE
0040  : public G4MagneticField
0041 #endif
0042 {
0043
0044   // Storage space for the table
0045   std::vector< std::vector< std::vector< double > > > xField;
0046   std::vector< std::vector< std::vector< double > > > yField;
0047   std::vector< std::vector< std::vector< double > > > zField;
0048   // The dimensions of the table
0049   int nx,ny,nz;
0050   // The physical limits of the defined region
0051   double minx, maxx, miny, maxy, minz, maxz;
0052   // The physical extent of the defined region
0053   double dx, dy, dz;
0054   double fXoffset;
0055   bool invertX, invertY, invertZ;
0056
0057 public:
0058   HadrontherapyMagneticField3D(const char* filename, double xOffset );
0059   void  GetFieldValue( const  double Point[4],
0060                double *Bfield          ) const;
0061 };
0062