// // ******************************************************************** // * License and Disclaimer * // * * // * The Geant4 software is copyright of the Copyright Holders of * // * the Geant4 Collaboration. It is provided under the terms and * // * conditions of the Geant4 Software License, included in the file * // * LICENSE and available at http://cern.ch/geant4/license . These * // * include a list of copyright holders. * // * * // * Neither the authors of this software system, nor their employing * // * institutes,nor the agencies providing financial support for this * // * work make any representation or warranty, express or implied, * // * regarding this software system or assume any liability for its * // * use. Please see the license in the file LICENSE and URL above * // * for the full disclaimer and the limitation of liability. * // * * // * This code implementation is the result of the scientific and * // * technical work of the GEANT4 collaboration. * // * By using, copying, modifying or distributing the software (or * // * any work based on the software) you agree to acknowledge its * // * use in resulting scientific publications, and indicate your * // * acceptance of all terms of the Geant4 Software license. * // ******************************************************************** // //... #include "Field.hh" #include "G4FieldManager.hh" //... DetectorConstruction::DetectorConstruction() :f_myField(0), f_fname_sol("../../fieldmap/MuSIC5_detector/fieldmap_solenoid.txt"), f_fname_dip("../../fieldmap/MuSIC5_detector/fieldmap_dipole.txt"), f_dip_polarity(1.0) //... { } //... void DetectorConstruction::ConstructSDandField() //------------------------------------------------------------------------- // Instantiate the global magnetic field //------------------------------------------------------------------------- { if (f_myField) { delete f_myField; f_myField = NULL; } if(not f_myField) { f_myField = new Field(f_fname_sol,f_fname_dip,f_dip_polarity); G4FieldManager* fieldMgr = G4TransportationManager::GetTransportationManager() ->GetFieldManager(); fieldMgr->SetDetectorField(f_myField); fieldMgr->CreateChordFinder(f_myField); } }