source: trunk/source/geometry/magneticfield/src/G4UniformElectricField.cc@ 1292

Last change on this file since 1292 was 1231, checked in by garnier, 16 years ago

update from CVS

File size: 3.8 KB
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1//
2// ********************************************************************
3// * License and Disclaimer *
4// * *
5// * The Geant4 software is copyright of the Copyright Holders of *
6// * the Geant4 Collaboration. It is provided under the terms and *
7// * conditions of the Geant4 Software License, included in the file *
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14// * regarding this software system or assume any liability for its *
15// * use. Please see the license in the file LICENSE and URL above *
16// * for the full disclaimer and the limitation of liability. *
17// * *
18// * This code implementation is the result of the scientific and *
19// * technical work of the GEANT4 collaboration. *
20// * By using, copying, modifying or distributing the software (or *
21// * any work based on the software) you agree to acknowledge its *
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24// ********************************************************************
25//
26//
27// $Id: G4UniformElectricField.cc,v 1.12 2006/06/29 18:24:56 gunter Exp $
28// GEANT4 tag $Name: $
29//
30//
31//
32// Class for creation of uniform Electric Field
33//
34// 30.1.97 V.Grichine
35//
36// -------------------------------------------------------------------
37
38#include "G4UniformElectricField.hh"
39
40G4UniformElectricField::G4UniformElectricField(const G4ThreeVector FieldVector )
41{
42 fFieldComponents[0] = 0.0;
43 fFieldComponents[1] = 0.0;
44 fFieldComponents[2] = 0.0;
45 fFieldComponents[3] = FieldVector.x();
46 fFieldComponents[4] = FieldVector.y();
47 fFieldComponents[5] = FieldVector.z();
48}
49
50G4UniformElectricField::G4UniformElectricField(G4double vField,
51 G4double vTheta,
52 G4double vPhi )
53{
54 if(vField >= 0 &&
55 vTheta >= 0 && vTheta <= pi &&
56 vPhi >= 0 && vPhi <= twopi)
57 {
58 fFieldComponents[0] = 0.0;
59 fFieldComponents[1] = 0.0;
60 fFieldComponents[2] = 0.0;
61 fFieldComponents[3] = vField*std::sin(vTheta)*std::cos(vPhi) ;
62 fFieldComponents[4] = vField*std::sin(vTheta)*std::sin(vPhi) ;
63 fFieldComponents[5] = vField*std::cos(vTheta) ;
64 }
65 else
66 {
67 G4Exception("G4UniformElectricField::G4UniformElectricField()",
68 "WrongArgumentValue", FatalException, "Invalid parameters.");
69 }
70}
71
72G4UniformElectricField::~G4UniformElectricField()
73{
74}
75
76G4UniformElectricField::G4UniformElectricField (const G4UniformElectricField &p)
77 : G4ElectricField(p)
78{
79 for (G4int i=0; i<6; i++)
80 fFieldComponents[i] = p.fFieldComponents[i];
81}
82
83G4UniformElectricField&
84G4UniformElectricField::operator = (const G4UniformElectricField &p)
85{
86 for (G4int i=0; i<6; i++)
87 fFieldComponents[i] = p.fFieldComponents[i];
88 return *this;
89}
90
91// ------------------------------------------------------------------------
92
93void G4UniformElectricField::GetFieldValue (const G4double[4],
94 G4double *fieldBandE ) const
95{
96 fieldBandE[0]= 0.0;
97 fieldBandE[1]= 0.0;
98 fieldBandE[2]= 0.0;
99 fieldBandE[3]= fFieldComponents[3] ;
100 fieldBandE[4]= fFieldComponents[4] ;
101 fieldBandE[5]= fFieldComponents[5] ;
102}
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