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24 // ******************************************* 24 // ********************************************************************
25 // 25 //
>> 26 //
>> 27 // $Id: G4Trap.icc,v 1.7 2006/06/29 18:44:51 gunter Exp $
>> 28 // GEANT4 tag $Name: geant4-08-01 $
>> 29 //
>> 30 // --------------------------------------------------------------------
>> 31 // GEANT 4 inline definitions file
>> 32 //
>> 33 // G4Trap.icc
>> 34 //
26 // Implementation of inline methods of G4Trap 35 // Implementation of inline methods of G4Trap
27 // ------------------------------------------- 36 // --------------------------------------------------------------------
28 37
29 inline 38 inline
30 G4double G4Trap::GetZHalfLength() const 39 G4double G4Trap::GetZHalfLength() const
31 { 40 {
32 return fDz ; 41 return fDz ;
33 } 42 }
34 43
35 inline 44 inline
36 G4ThreeVector G4Trap::GetSymAxis() const 45 G4ThreeVector G4Trap::GetSymAxis() const
37 { 46 {
38 G4double cosTheta = 1.0/std::sqrt(1+fTthetaC 47 G4double cosTheta = 1.0/std::sqrt(1+fTthetaCphi*fTthetaCphi +
39 fTthetaSphi*fTt 48 fTthetaSphi*fTthetaSphi) ;
40 49
41 return { fTthetaCphi*cosTheta, fTthetaSphi*c << 50 return G4ThreeVector(fTthetaCphi*cosTheta,
>> 51 fTthetaSphi*cosTheta,
>> 52 cosTheta) ;
42 } 53 }
43 54
44 inline 55 inline
45 G4double G4Trap::GetYHalfLength1() const 56 G4double G4Trap::GetYHalfLength1() const
46 { 57 {
47 return fDy1 ; 58 return fDy1 ;
48 } 59 }
49 60
50 inline 61 inline
51 G4double G4Trap::GetXHalfLength1() const 62 G4double G4Trap::GetXHalfLength1() const
52 { 63 {
53 return fDx1 ; 64 return fDx1 ;
54 } 65 }
55 66
56 inline 67 inline
57 G4double G4Trap::GetXHalfLength2() const 68 G4double G4Trap::GetXHalfLength2() const
58 { 69 {
59 return fDx2 ; 70 return fDx2 ;
60 } 71 }
61 72
62 inline 73 inline
63 G4double G4Trap::GetTanAlpha1() const 74 G4double G4Trap::GetTanAlpha1() const
64 { 75 {
65 return fTalpha1 ; 76 return fTalpha1 ;
66 } 77 }
67 78
68 inline 79 inline
69 G4double G4Trap::GetYHalfLength2() const 80 G4double G4Trap::GetYHalfLength2() const
70 { 81 {
71 return fDy2 ; 82 return fDy2 ;
72 } 83 }
73 84
74 inline 85 inline
75 G4double G4Trap::GetXHalfLength3() const 86 G4double G4Trap::GetXHalfLength3() const
76 { 87 {
77 return fDx3 ; 88 return fDx3 ;
78 } 89 }
79 90
80 inline 91 inline
81 G4double G4Trap::GetXHalfLength4() const 92 G4double G4Trap::GetXHalfLength4() const
82 { 93 {
83 return fDx4 ; 94 return fDx4 ;
84 } 95 }
85 96
86 inline 97 inline
87 G4double G4Trap::GetTanAlpha2() const 98 G4double G4Trap::GetTanAlpha2() const
88 { 99 {
89 return fTalpha2 ; 100 return fTalpha2 ;
90 } 101 }
91 102
92 inline 103 inline
93 TrapSidePlane G4Trap::GetSidePlane( G4int n ) 104 TrapSidePlane G4Trap::GetSidePlane( G4int n ) const
94 { 105 {
95 return fPlanes[n] ; 106 return fPlanes[n] ;
96 } 107 }
97 108
98 inline G4double G4Trap::GetPhi() const << 109 inline
99 { << 110 G4double G4Trap::GetFaceArea(const G4ThreeVector& p0, const G4ThreeVector& p1,
100 return std::atan2(fTthetaSphi,fTthetaCphi); << 111 const G4ThreeVector& p2, const G4ThreeVector& p3)
101 } <<
102 <<
103 inline G4double G4Trap::GetTheta() const <<
104 { <<
105 return std::atan(std::sqrt(fTthetaCphi*fTth <<
106 +fTthetaSphi*fTt <<
107 } <<
108 <<
109 inline G4double G4Trap::GetAlpha1() const <<
110 { 112 {
111 return std::atan(fTalpha1); << 113 G4double area = 0.5*((p1-p0).cross(p2-p1).mag()+(p3-p2).cross(p0-p3).mag());
>> 114 return area;
112 } 115 }
113 116
114 inline G4double G4Trap::GetAlpha2() const << 117 inline
>> 118 G4double G4Trap::GetCubicVolume()
115 { 119 {
116 return std::atan(fTalpha2); << 120 if(fCubicVolume != 0.) {;}
>> 121 else { fCubicVolume = fDz*( (fDx1+fDx2+fDx3+fDx4)*(fDy1+fDy2)
>> 122 + (fDx4+fDx3-fDx2-fDx1)*(fDy2-fDy1)/3 ); }
>> 123 return fCubicVolume;
117 } 124 }
118 125