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25 // 25 //
26 // G4UniformMagField implementation <<
27 // 26 //
28 // Created: V.Grichine, 30.01.1997 << 27 // $Id: G4UniformMagField.cc,v 1.12 2010-07-14 10:00:36 gcosmo Exp $
>> 28 // GEANT4 tag $Name: geant4-09-04-patch-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 } <<
40 <<
41 G4UniformMagField::~G4UniformMagField() = defa <<
42 <<
43 G4UniformMagField::G4UniformMagField (const G4 <<
44 : G4MagneticField(p) <<
45 { <<
46 for (auto i=0; i<3; ++i) <<
47 { <<
48 fFieldComponents[i] = p.fFieldComponents[ <<
49 } <<
50 } <<
51 <<
52 G4UniformMagField& G4UniformMagField::operator <<
53 { <<
54 if (&p == this) { return *this;} <<
55 G4MagneticField::operator=(p); <<
56 for (auto i=0; i<3; ++i) <<
57 { <<
58 fFieldComponents[i] = p.fFieldComponents[ <<
59 } <<
60 return *this; <<
61 } <<
62 <<
63 G4Field* G4UniformMagField::Clone() const <<
64 { <<
65 return new G4UniformMagField( G4ThreeVector <<
66 <<
67 <<
68 } 44 }
69 45
70 void 46 void
71 G4UniformMagField::SetFieldValue(const G4Three 47 G4UniformMagField::SetFieldValue(const G4ThreeVector& newFieldVector )
72 { 48 {
73 fFieldComponents[0] = newFieldVector.x(); << 49 fFieldComponents[0] = newFieldVector.x();
74 fFieldComponents[1] = newFieldVector.y(); << 50 fFieldComponents[1] = newFieldVector.y();
75 fFieldComponents[2] = newFieldVector.z(); << 51 fFieldComponents[2] = newFieldVector.z();
76 } 52 }
77 53
78 G4UniformMagField::G4UniformMagField(G4double 54 G4UniformMagField::G4UniformMagField(G4double vField,
79 G4double 55 G4double vTheta,
80 G4double << 56 G4double vPhi )
81 { 57 {
82 if ( (vField<0) || (vTheta<0) || (vTheta>pi 58 if ( (vField<0) || (vTheta<0) || (vTheta>pi) || (vPhi<0) || (vPhi>twopi) )
83 { 59 {
84 std::ostringstream msg; <<
85 msg << "ERROR in G4UniformMagField::G4Un <<
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 60 G4Exception("G4UniformMagField::G4UniformMagField()",
104 "GeomField0002", FatalExcept << 61 "WrongArgumentValue", FatalException, "Invalid parameters.") ;
105 } 62 }
106 fFieldComponents[0] = vField*std::sin(vThet 63 fFieldComponents[0] = vField*std::sin(vTheta)*std::cos(vPhi) ;
107 fFieldComponents[1] = vField*std::sin(vThet 64 fFieldComponents[1] = vField*std::sin(vTheta)*std::sin(vPhi) ;
108 fFieldComponents[2] = vField*std::cos(vThet 65 fFieldComponents[2] = vField*std::cos(vTheta) ;
109 } 66 }
110 67
>> 68 G4UniformMagField::~G4UniformMagField()
>> 69 {
>> 70 }
>> 71
>> 72 G4UniformMagField::G4UniformMagField (const G4UniformMagField &p)
>> 73 : G4MagneticField(p)
>> 74 {
>> 75 for (G4int i=0; i<3; i++)
>> 76 fFieldComponents[i] = p.fFieldComponents[i];
>> 77 }
>> 78
>> 79 G4UniformMagField& G4UniformMagField::operator = (const G4UniformMagField &p)
>> 80 {
>> 81 if (&p == this) return *this;
>> 82 for (G4int i=0; i<3; i++)
>> 83 fFieldComponents[i] = p.fFieldComponents[i];
>> 84 return *this;
>> 85 }
>> 86
111 // ------------------------------------------- 87 // ------------------------------------------------------------------------
112 88
113 void G4UniformMagField::GetFieldValue (const G 89 void G4UniformMagField::GetFieldValue (const G4double [4],
114 G << 90 G4double *B ) const
115 { 91 {
116 B[0]= fFieldComponents[0]; << 92 B[0]= fFieldComponents[0] ;
117 B[1]= fFieldComponents[1]; << 93 B[1]= fFieldComponents[1] ;
118 B[2]= fFieldComponents[2]; << 94 B[2]= fFieldComponents[2] ;
119 } 95 }
120 96
121 G4ThreeVector G4UniformMagField::GetConstantFi 97 G4ThreeVector G4UniformMagField::GetConstantFieldValue() const
122 { 98 {
123 G4ThreeVector B(fFieldComponents[0], 99 G4ThreeVector B(fFieldComponents[0],
124 fFieldComponents[1], 100 fFieldComponents[1],
125 fFieldComponents[2]); 101 fFieldComponents[2]);
126 return B; << 102 return B;
127 } 103 }
128 104