| 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 | // $Id: pyG4MagneticField.cc,v 1.4 2006/06/29 15:32:10 gunter Exp $
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| 27 | // $Name: geant4-09-04-beta-01 $
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| 28 | // ====================================================================
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| 29 | // pyG4MagneticField.cc
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| 30 | //
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| 31 | // 2005 Q
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| 32 | // ====================================================================
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| 33 | #include <boost/python.hpp>
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| 34 | #include "G4MagneticField.hh"
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| 35 | #include "G4ThreeVector.hh"
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| 36 |
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| 37 | using namespace boost::python;
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| 38 |
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| 39 | // ====================================================================
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| 40 | // wrappers
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| 41 | // ====================================================================
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| 42 |
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| 43 | class PyG4MagneticField : public G4MagneticField {
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| 44 | public:
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| 45 | PyG4MagneticField() { }
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| 46 | ~PyG4MagneticField() { }
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| 47 |
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| 48 | virtual G4ThreeVector GetFieldValue(const G4ThreeVector& pos,
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| 49 | const G4double time) const = 0;
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| 50 |
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| 51 | virtual void GetFieldValue(const G4double Point[4],
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| 52 | G4double* Bfield) const {
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| 53 |
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| 54 | const G4ThreeVector& bfield=
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| 55 | GetFieldValue(G4ThreeVector(Point[0], Point[1], Point[2]), Point[3]);
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| 56 |
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| 57 | Bfield[0]= bfield.x();
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| 58 | Bfield[1]= bfield.y();
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| 59 | Bfield[2]= bfield.z();
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| 60 | }
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| 61 |
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| 62 | };
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| 63 |
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| 64 | // ====================================================================
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| 65 | // thin wrappers
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| 66 | // ====================================================================
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| 67 | namespace pyG4MagneticField {
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| 68 |
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| 69 | struct CB_PyG4MagneticField :
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| 70 | PyG4MagneticField, wrapper<PyG4MagneticField> {
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| 71 |
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| 72 | G4ThreeVector GetFieldValue(const G4ThreeVector& pos,
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| 73 | const G4double time) const {
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| 74 | return get_override("GetFieldValue")(pos, time);
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| 75 | }
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| 76 |
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| 77 | };
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| 78 |
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| 79 | G4ThreeVector(PyG4MagneticField::*f1_GetFieldValue)
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| 80 | (const G4ThreeVector&, const G4double) const
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| 81 | = &PyG4MagneticField::GetFieldValue;
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| 82 |
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| 83 | };
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| 84 |
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| 85 | using namespace pyG4MagneticField;
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| 86 |
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| 87 | // ====================================================================
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| 88 | // module definition
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| 89 | // ====================================================================
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| 90 | void export_G4MagneticField()
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| 91 | {
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| 92 | class_<G4MagneticField, boost::noncopyable >
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| 93 | ("__G4MagneticField", "dummy class of magnetic field", no_init)
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| 94 | ;
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| 95 |
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| 96 | class_<CB_PyG4MagneticField, boost::noncopyable,
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| 97 | bases<G4Field, G4MagneticField> >
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| 98 | ("G4MagneticField", "base class of magnetic field")
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| 99 | // ---
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| 100 | .def("DoesFieldChangeEnergy", &G4MagneticField::DoesFieldChangeEnergy)
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| 101 | .def("GetFieldValue", pure_virtual(f1_GetFieldValue))
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| 102 | ;
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| 103 | }
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| 104 |
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