| 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 | // $Id: G4UniformElectricField.cc,v 1.12 2006/06/29 18:24:56 gunter Exp $
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| 28 | // GEANT4 tag $Name: HEAD $
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| 29 | //
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| 30 | //
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| 31 | //
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| 32 | // Class for creation of uniform Electric Field
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| 33 | //
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| 34 | // 30.1.97 V.Grichine
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| 35 | //
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| 36 | // -------------------------------------------------------------------
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| 37 |
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| 38 | #include "G4UniformElectricField.hh"
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| 39 |
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| 40 | G4UniformElectricField::G4UniformElectricField(const G4ThreeVector FieldVector )
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| 41 | {
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| 42 | fFieldComponents[0] = 0.0;
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| 43 | fFieldComponents[1] = 0.0;
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| 44 | fFieldComponents[2] = 0.0;
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| 45 | fFieldComponents[3] = FieldVector.x();
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| 46 | fFieldComponents[4] = FieldVector.y();
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| 47 | fFieldComponents[5] = FieldVector.z();
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| 48 | }
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| 49 |
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| 50 | G4UniformElectricField::G4UniformElectricField(G4double vField,
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| 51 | G4double vTheta,
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| 52 | G4double vPhi )
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| 53 | {
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| 54 | if(vField >= 0 &&
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| 55 | vTheta >= 0 && vTheta <= pi &&
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| 56 | vPhi >= 0 && vPhi <= twopi)
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| 57 | {
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| 58 | fFieldComponents[0] = 0.0;
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| 59 | fFieldComponents[1] = 0.0;
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| 60 | fFieldComponents[2] = 0.0;
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| 61 | fFieldComponents[3] = vField*std::sin(vTheta)*std::cos(vPhi) ;
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| 62 | fFieldComponents[4] = vField*std::sin(vTheta)*std::sin(vPhi) ;
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| 63 | fFieldComponents[5] = vField*std::cos(vTheta) ;
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| 64 | }
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| 65 | else
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| 66 | {
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| 67 | G4Exception("G4UniformElectricField::G4UniformElectricField()",
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| 68 | "WrongArgumentValue", FatalException, "Invalid parameters.");
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| 69 | }
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| 70 | }
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| 71 |
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| 72 | G4UniformElectricField::~G4UniformElectricField()
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| 73 | {
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| 74 | }
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| 75 |
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| 76 | G4UniformElectricField::G4UniformElectricField (const G4UniformElectricField &p)
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| 77 | : G4ElectricField(p)
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| 78 | {
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| 79 | for (G4int i=0; i<6; i++)
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| 80 | fFieldComponents[i] = p.fFieldComponents[i];
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| 81 | }
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| 82 |
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| 83 | G4UniformElectricField&
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| 84 | G4UniformElectricField::operator = (const G4UniformElectricField &p)
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| 85 | {
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| 86 | for (G4int i=0; i<6; i++)
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| 87 | fFieldComponents[i] = p.fFieldComponents[i];
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| 88 | return *this;
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| 89 | }
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| 90 |
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| 91 | // ------------------------------------------------------------------------
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| 92 |
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| 93 | void G4UniformElectricField::GetFieldValue (const G4double[4],
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| 94 | G4double *fieldBandE ) const
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| 95 | {
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| 96 | fieldBandE[0]= 0.0;
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| 97 | fieldBandE[1]= 0.0;
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| 98 | fieldBandE[2]= 0.0;
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| 99 | fieldBandE[3]= fFieldComponents[3] ;
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| 100 | fieldBandE[4]= fFieldComponents[4] ;
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| 101 | fieldBandE[5]= fFieldComponents[5] ;
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| 102 | }
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