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25 // 25 //
26 // G4TwistTubsSide 26 // G4TwistTubsSide
27 // 27 //
28 // Class description: 28 // Class description:
29 // 29 //
30 // Class describing a twisted boundary surface 30 // Class describing a twisted boundary surface for a cylinder.
31 31
32 // 01-Aug-2002 - Kotoyo Hoshina (hoshina@hepbu 32 // 01-Aug-2002 - Kotoyo Hoshina (hoshina@hepburn.s.chiba-u.ac.jp), created
33 // 13-Nov-2003 - O.Link (Oliver.Link@cern.ch), 33 // 13-Nov-2003 - O.Link (Oliver.Link@cern.ch), Integration in Geant4
34 // from original version in Jupi 34 // from original version in Jupiter-2.5.02 application.
35 // ------------------------------------------- 35 // --------------------------------------------------------------------
36 #ifndef G4TWISTTUBSSIDE_HH 36 #ifndef G4TWISTTUBSSIDE_HH
37 #define G4TWISTTUBSSIDE_HH 37 #define G4TWISTTUBSSIDE_HH
38 38
39 #include "G4VTwistSurface.hh" 39 #include "G4VTwistSurface.hh"
40 40
41 class G4TwistTubsSide : public G4VTwistSurface 41 class G4TwistTubsSide : public G4VTwistSurface
42 { 42 {
43 public: << 43 public: // with description
44 44
45 G4TwistTubsSide(const G4String& na << 45 G4TwistTubsSide(const G4String& name,
46 const G4RotationMatrix& ro << 46 const G4RotationMatrix& rot, // 0.5*(phi-width segment)
47 const G4ThreeVector& tl << 47 const G4ThreeVector& tlate,
48 G4int handedness, << 48 G4int handedness, // R-hand = 1, L-hand = -1
49 const G4double kappa, << 49 const G4double kappa, // tan(TwistAngle/2)/fZHalfLen
50 const EAxis axis0 = kXA << 50 const EAxis axis0 = kXAxis,
51 const EAxis axis1 = kZA << 51 const EAxis axis1 = kZAxis,
52 G4double axis0min = << 52 G4double axis0min = -kInfinity,
53 G4double axis1min = << 53 G4double axis1min = -kInfinity,
54 G4double axis0max = << 54 G4double axis0max = kInfinity,
55 G4double axis1max = << 55 G4double axis1max = kInfinity );
56 << 56
57 G4TwistTubsSide(const G4String& name, << 57 G4TwistTubsSide(const G4String& name,
58 G4double EndInnerRa << 58 G4double EndInnerRadius[2],
59 G4double EndOuterRa << 59 G4double EndOuterRadius[2],
60 G4double DPhi, << 60 G4double DPhi,
61 G4double EndPhi[2], << 61 G4double EndPhi[2],
62 G4double EndZ[2], << 62 G4double EndZ[2],
63 G4double InnerRadiu << 63 G4double InnerRadius,
64 G4double OuterRadiu << 64 G4double OuterRadius,
65 G4double Kappa, << 65 G4double Kappa,
66 G4int handedness << 66 G4int handedness);
67 <<
68 ~G4TwistTubsSide() override; <<
69 <<
70 G4ThreeVector GetNormal(const G4ThreeVecto <<
71 G4bool isGlo <<
72 <<
73 G4int DistanceToSurface(const G4ThreeVecto <<
74 const G4ThreeVecto <<
75 G4ThreeVecto <<
76 G4double di <<
77 G4int ar <<
78 G4bool is <<
79 EValidate validate <<
80 <<
81 G4int DistanceToSurface(const G4ThreeVecto <<
82 G4ThreeVecto <<
83 G4double <<
84 G4int <<
85 <<
86 inline G4ThreeVector ProjectAtPXPZ(const G <<
87 G <<
88 <<
89 inline G4ThreeVector SurfacePoint(G4double <<
90 G4bool i <<
91 inline G4double GetBoundaryMin(G4double ph <<
92 inline G4double GetBoundaryMax(G4double ph <<
93 inline G4double GetSurfaceArea() override <<
94 void GetFacets( G4int m, G4int n, G4double <<
95 G4int faces[][4], G4int is <<
96 <<
97 G4TwistTubsSide(__void__&); <<
98 // Fake default constructor for usage re <<
99 // persistency for clients requiring pre <<
100 // persistifiable objects. <<
101 67
102 private: << 68 virtual ~G4TwistTubsSide();
103 << 69
104 G4double DistanceToPlane(const G4ThreeVect << 70 virtual G4ThreeVector GetNormal(const G4ThreeVector& xx,
105 const G4ThreeVect << 71 G4bool isGlobal = false) ;
106 const G4ThreeVect << 72
107 const G4ThreeVect << 73 virtual G4int DistanceToSurface(const G4ThreeVector& gp,
108 const G4ThreeVect << 74 const G4ThreeVector& gv,
109 const G4int << 75 G4ThreeVector gxx[],
110 G4ThreeVect << 76 G4double distance[],
111 G4ThreeVect << 77 G4int areacode[],
112 << 78 G4bool isvalid[],
113 G4int GetAreaCode(const G4ThreeVector& xx, << 79 EValidate validate = kValidateWithTol);
114 G4bool wit << 80
115 << 81 virtual G4int DistanceToSurface(const G4ThreeVector& gp,
116 void SetCorners() override; << 82 G4ThreeVector gxx[],
117 << 83 G4double distance[],
118 void SetCorners( G4double endInnerRad[2], << 84 G4int areacode[]);
119 G4double endOuterRad[2], << 85
120 G4double endPhi[2], << 86 inline G4ThreeVector ProjectAtPXPZ(const G4ThreeVector& p,
121 G4double endZ[2] ) ; << 87 G4bool isglobal = false) const ;
>> 88
>> 89 virtual G4ThreeVector SurfacePoint(G4double, G4double,
>> 90 G4bool isGlobal = false) ;
>> 91 virtual G4double GetBoundaryMin(G4double phi) ;
>> 92 virtual G4double GetBoundaryMax(G4double phi) ;
>> 93 virtual G4double GetSurfaceArea() ;
>> 94 virtual void GetFacets( G4int m, G4int n, G4double xyz[][3],
>> 95 G4int faces[][4], G4int iside ) ;
>> 96
>> 97 public: // without description
>> 98
>> 99 G4TwistTubsSide(__void__&);
>> 100 // Fake default constructor for usage restricted to direct object
>> 101 // persistency for clients requiring preallocation of memory for
>> 102 // persistifiable objects.
>> 103
>> 104 private:
>> 105
>> 106 virtual G4double DistanceToPlane(const G4ThreeVector& p,
>> 107 const G4ThreeVector& A,
>> 108 const G4ThreeVector& B,
>> 109 const G4ThreeVector& C,
>> 110 const G4ThreeVector& D,
>> 111 const G4int parity,
>> 112 G4ThreeVector& xx,
>> 113 G4ThreeVector& n);
>> 114
>> 115 virtual G4int GetAreaCode(const G4ThreeVector& xx,
>> 116 G4bool withTol = true);
>> 117
>> 118 virtual void SetCorners();
>> 119
>> 120 virtual void SetCorners( G4double endInnerRad[2],
>> 121 G4double endOuterRad[2],
>> 122 G4double endPhi[2],
>> 123 G4double endZ[2] ) ;
122 124
123 void SetBoundaries() override; << 125 virtual void SetBoundaries();
124 126
125 private: 127 private:
126 128
127 G4double fKappa; // std::ta << 129 G4double fKappa; // std::tan(TwistedAngle/2)/HalfLenZ;
128 }; 130 };
129 131
130 132
131 //============================================ 133 //========================================================
132 // inline functions 134 // inline functions
133 //============================================ 135 //========================================================
134 136
135 inline 137 inline
136 G4ThreeVector G4TwistTubsSide::ProjectAtPXPZ(c 138 G4ThreeVector G4TwistTubsSide::ProjectAtPXPZ(const G4ThreeVector& p,
137 139 G4bool isglobal) const
138 { 140 {
139 // Get Rho at p.z() on Hyperbolic Surface. 141 // Get Rho at p.z() on Hyperbolic Surface.
140 G4ThreeVector tmpp; 142 G4ThreeVector tmpp;
141 if (isglobal) { tmpp = fRot.inverse()*p - fT 143 if (isglobal) { tmpp = fRot.inverse()*p - fTrans; }
142 else { tmpp = p; } 144 else { tmpp = p; }
143 G4ThreeVector xx(p.x(), p.x() * fKappa * p.z 145 G4ThreeVector xx(p.x(), p.x() * fKappa * p.z(), p.z());
144 if (isglobal) { return (fRot * xx + fTrans); 146 if (isglobal) { return (fRot * xx + fTrans); }
145 return xx; 147 return xx;
146 } 148 }
147 149
148 inline 150 inline
149 G4ThreeVector 151 G4ThreeVector
150 G4TwistTubsSide::SurfacePoint(G4double x, G4do 152 G4TwistTubsSide::SurfacePoint(G4double x, G4double z, G4bool isGlobal)
151 { 153 {
152 G4ThreeVector SurfPoint( x , x * fKappa * z 154 G4ThreeVector SurfPoint( x , x * fKappa * z , z ) ;
153 155
154 if (isGlobal) { return (fRot * SurfPoint + f 156 if (isGlobal) { return (fRot * SurfPoint + fTrans); }
155 return SurfPoint; 157 return SurfPoint;
156 } 158 }
157 159
158 inline 160 inline
159 G4double G4TwistTubsSide::GetBoundaryMin(G4dou 161 G4double G4TwistTubsSide::GetBoundaryMin(G4double)
160 { 162 {
161 return fAxisMin[0] ; // inner radius at z 163 return fAxisMin[0] ; // inner radius at z = 0
162 } 164 }
163 165
164 inline 166 inline
165 G4double G4TwistTubsSide::GetBoundaryMax(G4dou 167 G4double G4TwistTubsSide::GetBoundaryMax(G4double)
166 { 168 {
167 return fAxisMax[0] ; // outer radius at z 169 return fAxisMax[0] ; // outer radius at z = 0
168 } 170 }
169 171
170 inline 172 inline
171 G4double G4TwistTubsSide::GetSurfaceArea() 173 G4double G4TwistTubsSide::GetSurfaceArea()
172 { 174 {
173 // approximation only 175 // approximation only
174 return ( fAxisMax[0] - fAxisMin[0] ) * ( fAx 176 return ( fAxisMax[0] - fAxisMin[0] ) * ( fAxisMax[1] - fAxisMin[1] ) ;
175 } 177 }
176 178
177 #endif 179 #endif
178 180