source: trunk/source/geometry/magneticfield/src/G4UniformElectricField.cc@ 1340

Last change on this file since 1340 was 1340, checked in by garnier, 15 years ago

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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 *
8// * LICENSE and available at http://cern.ch/geant4/license . These *
9// * include a list of copyright holders. *
10// * *
11// * Neither the authors of this software system, nor their employing *
12// * institutes,nor the agencies providing financial support for this *
13// * work make any representation or warranty, express or implied, *
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 *
22// * use in resulting scientific publications, and indicate your *
23// * acceptance of all terms of the Geant4 Software license. *
24// ********************************************************************
25//
26//
27// $Id: G4UniformElectricField.cc,v 1.13 2010/07/14 10:00:36 gcosmo Exp $
28// GEANT4 tag $Name: field-V09-03-03 $
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) || (vTheta<0) || (vTheta>pi) || (vPhi<0) || (vPhi>twopi) )
55 {
56 G4Exception("G4UniformElectricField::G4UniformElectricField()",
57 "WrongArgumentValue", FatalException, "Invalid parameters.");
58 }
59
60 fFieldComponents[0] = 0.0;
61 fFieldComponents[1] = 0.0;
62 fFieldComponents[2] = 0.0;
63 fFieldComponents[3] = vField*std::sin(vTheta)*std::cos(vPhi) ;
64 fFieldComponents[4] = vField*std::sin(vTheta)*std::sin(vPhi) ;
65 fFieldComponents[5] = vField*std::cos(vTheta) ;
66}
67
68G4UniformElectricField::~G4UniformElectricField()
69{
70}
71
72G4UniformElectricField::G4UniformElectricField (const G4UniformElectricField &p)
73 : G4ElectricField(p)
74{
75 for (G4int i=0; i<6; i++)
76 fFieldComponents[i] = p.fFieldComponents[i];
77}
78
79G4UniformElectricField&
80G4UniformElectricField::operator = (const G4UniformElectricField &p)
81{
82 for (G4int i=0; i<6; i++)
83 fFieldComponents[i] = p.fFieldComponents[i];
84 return *this;
85}
86
87// ------------------------------------------------------------------------
88
89void G4UniformElectricField::GetFieldValue (const G4double[4],
90 G4double *fieldBandE ) const
91{
92 fieldBandE[0]= 0.0;
93 fieldBandE[1]= 0.0;
94 fieldBandE[2]= 0.0;
95 fieldBandE[3]= fFieldComponents[3] ;
96 fieldBandE[4]= fFieldComponents[4] ;
97 fieldBandE[5]= fFieldComponents[5] ;
98}
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