| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // G4UniformMagField implementation <<
27 // 26 //
28 // Created: V.Grichine, 30.01.1997 << 27 // $Id: G4UniformMagField.cc,v 1.11 2006/06/29 18:24:58 gunter Exp $
>> 28 // GEANT4 tag $Name: geant4-08-01 $
>> 29 //
>> 30 //
>> 31 // Class for creation of uniform Magnetic Field
>> 32 //
>> 33 // 30.1.97 V.Grichine
>> 34 //
29 // ------------------------------------------- 35 // -------------------------------------------------------------------
30 36
31 #include "G4UniformMagField.hh" 37 #include "G4UniformMagField.hh"
32 #include "G4PhysicalConstants.hh" <<
33 38
34 G4UniformMagField::G4UniformMagField(const G4T 39 G4UniformMagField::G4UniformMagField(const G4ThreeVector& FieldVector )
35 { 40 {
36 fFieldComponents[0] = FieldVector.x(); << 41 fFieldComponents[0] = FieldVector.x();
37 fFieldComponents[1] = FieldVector.y(); << 42 fFieldComponents[1] = FieldVector.y();
38 fFieldComponents[2] = FieldVector.z(); << 43 fFieldComponents[2] = FieldVector.z();
39 } 44 }
40 45
41 G4UniformMagField::~G4UniformMagField() = defa << 46 void
42 << 47 G4UniformMagField::SetFieldValue(const G4ThreeVector& newFieldVector )
43 G4UniformMagField::G4UniformMagField (const G4 <<
44 : G4MagneticField(p) <<
45 { 48 {
46 for (auto i=0; i<3; ++i) << 49 fFieldComponents[0] = newFieldVector.x();
47 { << 50 fFieldComponents[1] = newFieldVector.y();
48 fFieldComponents[i] = p.fFieldComponents[ << 51 fFieldComponents[2] = newFieldVector.z();
49 } <<
50 } 52 }
51 << 53
52 G4UniformMagField& G4UniformMagField::operator << 54 G4UniformMagField::G4UniformMagField(G4double vField,
>> 55 G4double vTheta,
>> 56 G4double vPhi )
53 { 57 {
54 if (&p == this) { return *this;} << 58 if(vField >= 0 &&
55 G4MagneticField::operator=(p); << 59 vTheta >= 0 && vTheta <= pi &&
56 for (auto i=0; i<3; ++i) << 60 vPhi >= 0 && vPhi <= twopi)
57 { 61 {
58 fFieldComponents[i] = p.fFieldComponents[ << 62 fFieldComponents[0] = vField*std::sin(vTheta)*std::cos(vPhi) ;
>> 63 fFieldComponents[1] = vField*std::sin(vTheta)*std::sin(vPhi) ;
>> 64 fFieldComponents[2] = vField*std::cos(vTheta) ;
>> 65 }
>> 66 else
>> 67 {
>> 68 G4Exception("G4UniformMagField::G4UniformMagField()",
>> 69 "WrongArgumentValue", FatalException, "Invalid parameters.") ;
59 } 70 }
60 return *this; <<
61 } 71 }
62 72
63 G4Field* G4UniformMagField::Clone() const << 73 G4UniformMagField::~G4UniformMagField()
64 { 74 {
65 return new G4UniformMagField( G4ThreeVector <<
66 <<
67 <<
68 } 75 }
69 76
70 void << 77 G4UniformMagField::G4UniformMagField (const G4UniformMagField &p)
71 G4UniformMagField::SetFieldValue(const G4Three << 78 : G4MagneticField(p)
72 { 79 {
73 fFieldComponents[0] = newFieldVector.x(); << 80 for (G4int i=0; i<3; i++)
74 fFieldComponents[1] = newFieldVector.y(); << 81 fFieldComponents[i] = p.fFieldComponents[i];
75 fFieldComponents[2] = newFieldVector.z(); <<
76 } 82 }
77 << 83
78 G4UniformMagField::G4UniformMagField(G4double << 84 G4UniformMagField& G4UniformMagField::operator = (const G4UniformMagField &p)
79 G4double <<
80 G4double <<
81 { 85 {
82 if ( (vField<0) || (vTheta<0) || (vTheta>pi << 86 if (&p == this) return *this;
83 { << 87 for (G4int i=0; i<3; i++)
84 std::ostringstream msg; << 88 fFieldComponents[i] = p.fFieldComponents[i];
85 msg << "ERROR in G4UniformMagField::G4Un << 89 return *this;
86 << "Invalid parameter(s). " << std:: <<
87 msg << " Expected " << std::endl; <<
88 <<
89 msg << " - Magnitude vField: Value = " < <<
90 << " Expected vField > 0 " ; <<
91 if ( vField<0) { msg << " <------ Erron <<
92 msg << std::endl; <<
93 <<
94 msg << " - Theta angle: Value = " << vTh <<
95 << " Expected between 0 <= theta <= <<
96 if ( (vTheta<0) || (vTheta>pi) ) { msg < <<
97 <<
98 msg << std::endl; <<
99 msg << " - Phi angle: Value = " << vPh <<
100 << " Expected between 0 <= phi <= <<
101 if ( (vPhi<0) || (vPhi>twopi) ) { msg << <<
102 <<
103 G4Exception("G4UniformMagField::G4Unifor <<
104 "GeomField0002", FatalExcept <<
105 } <<
106 fFieldComponents[0] = vField*std::sin(vThet <<
107 fFieldComponents[1] = vField*std::sin(vThet <<
108 fFieldComponents[2] = vField*std::cos(vThet <<
109 } 90 }
110 91
111 // ------------------------------------------- 92 // ------------------------------------------------------------------------
112 93
113 void G4UniformMagField::GetFieldValue (const G 94 void G4UniformMagField::GetFieldValue (const G4double [4],
114 G << 95 G4double *B ) const
115 { 96 {
116 B[0]= fFieldComponents[0]; << 97 B[0]= fFieldComponents[0] ;
117 B[1]= fFieldComponents[1]; << 98 B[1]= fFieldComponents[1] ;
118 B[2]= fFieldComponents[2]; << 99 B[2]= fFieldComponents[2] ;
119 } 100 }
120 101
121 G4ThreeVector G4UniformMagField::GetConstantFi 102 G4ThreeVector G4UniformMagField::GetConstantFieldValue() const
122 { 103 {
123 G4ThreeVector B(fFieldComponents[0], 104 G4ThreeVector B(fFieldComponents[0],
124 fFieldComponents[1], 105 fFieldComponents[1],
125 fFieldComponents[2]); 106 fFieldComponents[2]);
126 return B; << 107 return B;
127 } 108 }
128 109