| 1 | //
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| 2 | // ********************************************************************
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| 3 | // * License and Disclaimer *
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| 4 | // * *
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of *
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and *
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| 7 | // * conditions of the Geant4 Software License, included in the file *
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These *
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| 9 | // * include a list of copyright holders. *
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| 10 | // * *
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| 11 | // * Neither the authors of this software system, nor their employing *
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| 12 | // * institutes,nor the agencies providing financial support for this *
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| 13 | // * work make any representation or warranty, express or implied, *
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| 14 | // * regarding this software system or assume any liability for its *
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| 15 | // * use. Please see the license in the file LICENSE and URL above *
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| 16 | // * for the full disclaimer and the limitation of liability. *
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| 17 | // * *
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| 18 | // * This code implementation is the result of the scientific and *
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| 19 | // * technical work of the GEANT4 collaboration. *
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| 20 | // * By using, copying, modifying or distributing the software (or *
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| 21 | // * any work based on the software) you agree to acknowledge its *
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| 22 | // * use in resulting scientific publications, and indicate your *
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| 23 | // * acceptance of all terms of the Geant4 Software license. *
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| 24 | // ********************************************************************
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| 25 | //
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| 26 | //
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| 27 | G4double EField = 0.0*kilovolt/cm;
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| 28 |
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| 29 | // create electric field
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| 30 | G4UniformElectricField* elecField =
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| 31 | new G4UniformElectricField(G4ThreeVector(0,EField,0));
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| 32 |
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| 33 | // equation of motion
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| 34 | G4EqMagElectricField* EquationOfMotion =
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| 35 | new G4EqMagElectricField(elecField);
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| 36 |
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| 37 | // stepper for equation of motion
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| 38 | G4MagIntegratorStepper* DMXStepper =
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| 39 | new G4ClassicalRK4(EquationOfMotion);
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| 40 |
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| 41 | // chordfinder
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| 42 | G4ChordFinder* DMXChordFinder =
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| 43 | new G4ChordFinder(elecField, 1.0e-3*mm, DMXStepper);
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| 44 |
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| 45 | // field manager
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| 46 | G4FieldManager* DMXFieldManager = new G4FieldManager();
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| 47 | DMXFieldManager->SetChordFinder(DMXChordFinder);
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| 48 | G4TransportationManager::GetTransportationManager()
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| 49 | -> SetFieldManager(DMXFieldManager);
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