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25 // 25 //
26 // G4UniformGravityField implementation 26 // G4UniformGravityField implementation
27 // 27 //
28 // Created: P.Gumplinger, 14.06.2011 - Adapted 28 // Created: P.Gumplinger, 14.06.2011 - Adapted from G4UniformElectricField
29 // Thanks to P.Fierlinger (PSI), A.Ca 29 // Thanks to P.Fierlinger (PSI), A.Capra and A.Fontana (INFN Pavia)
30 // ------------------------------------------- 30 // -------------------------------------------------------------------
31 31
32 #include "G4UniformGravityField.hh" 32 #include "G4UniformGravityField.hh"
33 #include "G4PhysicalConstants.hh" 33 #include "G4PhysicalConstants.hh"
34 #include "G4SystemOfUnits.hh" 34 #include "G4SystemOfUnits.hh"
35 35
36 // Construct from a 3-vector 36 // Construct from a 3-vector
37 // 37 //
38 G4UniformGravityField::G4UniformGravityField(c 38 G4UniformGravityField::G4UniformGravityField(const G4ThreeVector& FieldVector)
39 : G4Field ( true ) // Gravity flag *on* 39 : G4Field ( true ) // Gravity flag *on*
40 { 40 {
41 fFieldComponents[0] = FieldVector.x(); 41 fFieldComponents[0] = FieldVector.x();
42 fFieldComponents[1] = FieldVector.y(); 42 fFieldComponents[1] = FieldVector.y();
43 fFieldComponents[2] = FieldVector.z(); 43 fFieldComponents[2] = FieldVector.z();
44 } 44 }
45 45
46 // Construct from a double > default = -9.81 m 46 // Construct from a double > default = -9.81 m*s^-2
47 G4UniformGravityField::G4UniformGravityField(c 47 G4UniformGravityField::G4UniformGravityField(const G4double gy)
48 : G4Field ( true ) 48 : G4Field ( true )
49 { 49 {
50 fFieldComponents[0] = 0.0; 50 fFieldComponents[0] = 0.0;
51 fFieldComponents[1] = gy; 51 fFieldComponents[1] = gy;
52 fFieldComponents[2] = 0.0; 52 fFieldComponents[2] = 0.0;
53 } 53 }
54 54
55 G4UniformGravityField::~G4UniformGravityField( << 55 G4UniformGravityField::~G4UniformGravityField()
>> 56 {
>> 57 }
56 58
57 G4UniformGravityField::G4UniformGravityField ( 59 G4UniformGravityField::G4UniformGravityField (const G4UniformGravityField& p)
58 : G4Field(p) 60 : G4Field(p)
59 { 61 {
60 for (auto i=0; i<3; ++i) 62 for (auto i=0; i<3; ++i)
61 { 63 {
62 fFieldComponents[i] = p.fFieldComponents[i 64 fFieldComponents[i] = p.fFieldComponents[i];
63 } 65 }
64 } 66 }
65 67
66 G4UniformGravityField& 68 G4UniformGravityField&
67 G4UniformGravityField::operator = (const G4Uni 69 G4UniformGravityField::operator = (const G4UniformGravityField& p)
68 { 70 {
69 if (&p == this) { return *this; } << 71 if (&p == this) return *this;
70 G4Field::operator=(p); 72 G4Field::operator=(p);
71 for (auto i=0; i<3; ++i) 73 for (auto i=0; i<3; ++i)
72 { 74 {
73 fFieldComponents[i] = p.fFieldComponents[i 75 fFieldComponents[i] = p.fFieldComponents[i];
74 } 76 }
75 return *this; 77 return *this;
76 } 78 }
77 79
78 G4Field* G4UniformGravityField::Clone() const 80 G4Field* G4UniformGravityField::Clone() const
79 { 81 {
80 return new G4UniformGravityField( G4ThreeVec 82 return new G4UniformGravityField( G4ThreeVector(fFieldComponents[0],
81 83 fFieldComponents[1],
82 84 fFieldComponents[2]) );
83 } 85 }
84 86
85 // ------------------------------------------- 87 // -------------------------------------------------------------------
86 88
87 void G4UniformGravityField::GetFieldValue (con 89 void G4UniformGravityField::GetFieldValue (const G4double [4],
88 90 G4double* G ) const
89 { 91 {
90 G[0]= fFieldComponents[0]; 92 G[0]= fFieldComponents[0];
91 G[1]= fFieldComponents[1]; 93 G[1]= fFieldComponents[1];
92 G[2]= fFieldComponents[2]; 94 G[2]= fFieldComponents[2];
93 } 95 }
94 96