| Geant4 Cross Reference |
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25 // 25 //
26 // G4Para 26 // G4Para
27 // 27 //
28 // Class description: 28 // Class description:
29 // 29 //
30 // A G4Parallepiped, essentially a box with 30 // A G4Parallepiped, essentially a box with half lengths dx,dy,dz
31 // `skewed' so that there are angles theta & 31 // `skewed' so that there are angles theta & phi of the polar line
32 // joining the faces at +-dz in z, and alpha 32 // joining the faces at +-dz in z, and alpha formed by the y axis
33 // and the plane joinng the centre of the fa 33 // and the plane joinng the centre of the faces G4Parallel to the
34 // z-x plane at -dy and +dy. 34 // z-x plane at -dy and +dy.
35 // 35 //
36 // A G4Para is defined by: 36 // A G4Para is defined by:
37 // dx,dy,dz - Half-length in x,y,z 37 // dx,dy,dz - Half-length in x,y,z
38 // alpha - Angle formed by the y axis and 38 // alpha - Angle formed by the y axis and by the plane joining
39 // the centre of the faces G4Para 39 // the centre of the faces G4Parallel to the z-x plane
40 // at -dy and +dy 40 // at -dy and +dy
41 // theta - Polar angle of the line joinin 41 // theta - Polar angle of the line joining the centres of the
42 // faces at -dz and +dz in z 42 // faces at -dz and +dz in z
43 // phi - Azimuthal angle of the line jo 43 // phi - Azimuthal angle of the line joining the centres of the
44 // faces at -dz and +dz in z 44 // faces at -dz and +dz in z
45 // Member data: 45 // Member data:
46 // 46 //
47 // Note that the angles parameters are not s 47 // Note that the angles parameters are not stored - precomputed trig is
48 // stored instead. 48 // stored instead.
49 // 49 //
50 // fDx Half-length in x 50 // fDx Half-length in x
51 // fDy Half-length in y 51 // fDy Half-length in y
52 // fDz Half-length in z 52 // fDz Half-length in z
53 // 53 //
54 // fTalpha Tan of alpha 54 // fTalpha Tan of alpha
55 // fTthetaCphi Tan theta * Cos phi 55 // fTthetaCphi Tan theta * Cos phi
56 // fTthetaSphi Tan theta * Sin phi 56 // fTthetaSphi Tan theta * Sin phi
57 57
58 // 21.3.94 P.Kent Old C++ code converted to to 58 // 21.3.94 P.Kent Old C++ code converted to tolerant geometry
59 // 31.10.96 V.Grichine Modifications according 59 // 31.10.96 V.Grichine Modifications according G4Box/Tubs before to commit
60 // ------------------------------------------- 60 // --------------------------------------------------------------------
61 #ifndef G4PARA_HH 61 #ifndef G4PARA_HH
62 #define G4PARA_HH 62 #define G4PARA_HH
63 63
64 #include "G4GeomTypes.hh" 64 #include "G4GeomTypes.hh"
65 65
66 #if defined(G4GEOM_USE_USOLIDS) 66 #if defined(G4GEOM_USE_USOLIDS)
67 #define G4GEOM_USE_UPARA 1 67 #define G4GEOM_USE_UPARA 1
68 #endif 68 #endif
69 69
70 #if defined(G4GEOM_USE_UPARA) 70 #if defined(G4GEOM_USE_UPARA)
71 #define G4UPara G4Para 71 #define G4UPara G4Para
72 #include "G4UPara.hh" 72 #include "G4UPara.hh"
73 #else 73 #else
74 74
75 #include "G4CSGSolid.hh" 75 #include "G4CSGSolid.hh"
76 #include "G4Polyhedron.hh" 76 #include "G4Polyhedron.hh"
77 77
78 class G4Para : public G4CSGSolid 78 class G4Para : public G4CSGSolid
79 { 79 {
80 public: // with description 80 public: // with description
81 81
82 G4Para(const G4String& pName, 82 G4Para(const G4String& pName,
83 G4double pDx, G4double pDy, G 83 G4double pDx, G4double pDy, G4double pDz,
84 G4double pAlpha, G4double pTh 84 G4double pAlpha, G4double pTheta, G4double pPhi);
85 85
86 G4Para(const G4String& pName, 86 G4Para(const G4String& pName,
87 const G4ThreeVector pt[8]); 87 const G4ThreeVector pt[8]);
88 88
89 ~G4Para() override; 89 ~G4Para() override;
90 90
91 // Accessors 91 // Accessors
92 92
93 inline G4double GetZHalfLength() const; 93 inline G4double GetZHalfLength() const;
94 inline G4ThreeVector GetSymAxis() const; 94 inline G4ThreeVector GetSymAxis() const;
95 inline G4double GetYHalfLength() const; 95 inline G4double GetYHalfLength() const;
96 inline G4double GetXHalfLength() const; 96 inline G4double GetXHalfLength() const;
97 inline G4double GetTanAlpha() const; 97 inline G4double GetTanAlpha() const;
98 98
99 inline G4double GetAlpha() const; 99 inline G4double GetAlpha() const;
100 inline G4double GetTheta() const; 100 inline G4double GetTheta() const;
101 inline G4double GetPhi() const; 101 inline G4double GetPhi() const;
102 // Obtain (re)computed values of original 102 // Obtain (re)computed values of original parameters
103 103
104 // Modifiers 104 // Modifiers
105 105
106 inline void SetXHalfLength(G4double val); 106 inline void SetXHalfLength(G4double val);
107 inline void SetYHalfLength(G4double val); 107 inline void SetYHalfLength(G4double val);
108 inline void SetZHalfLength(G4double val); 108 inline void SetZHalfLength(G4double val);
109 inline void SetAlpha(G4double alpha); 109 inline void SetAlpha(G4double alpha);
110 inline void SetTanAlpha(G4double val); 110 inline void SetTanAlpha(G4double val);
111 inline void SetThetaAndPhi(G4double pTheta 111 inline void SetThetaAndPhi(G4double pTheta, G4double pPhi);
112 112
113 void SetAllParameters(G4double pDx, G4doub 113 void SetAllParameters(G4double pDx, G4double pDy, G4double pDz,
114 G4double pAlpha, G4d 114 G4double pAlpha, G4double pTheta, G4double pPhi);
115 115
116 // Methods of solid 116 // Methods of solid
117 117
118 G4double GetCubicVolume() override; 118 G4double GetCubicVolume() override;
119 G4double GetSurfaceArea() override; 119 G4double GetSurfaceArea() override;
120 120
121 void ComputeDimensions(G4VPVParameterisati 121 void ComputeDimensions(G4VPVParameterisation* p,
122 const G4int n, 122 const G4int n,
123 const G4VPhysicalVo 123 const G4VPhysicalVolume* pRep) override;
124 124
125 void BoundingLimits(G4ThreeVector& pMin, G 125 void BoundingLimits(G4ThreeVector& pMin, G4ThreeVector& pMax) const override;
126 126
127 G4bool CalculateExtent(const EAxis pAxis, 127 G4bool CalculateExtent(const EAxis pAxis,
128 const G4VoxelLimits 128 const G4VoxelLimits& pVoxelLimit,
129 const G4AffineTrans 129 const G4AffineTransform& pTransform,
130 G4double& pMi 130 G4double& pMin, G4double& pMax) const override;
131 131
132 EInside Inside(const G4ThreeVector& p) con 132 EInside Inside(const G4ThreeVector& p) const override;
133 133
134 G4ThreeVector SurfaceNormal( const G4Three 134 G4ThreeVector SurfaceNormal( const G4ThreeVector& p) const override;
135 135
136 G4double DistanceToIn(const G4ThreeVector& 136 G4double DistanceToIn(const G4ThreeVector& p,
137 const G4ThreeVector& 137 const G4ThreeVector& v) const override;
138 G4double DistanceToIn(const G4ThreeVector& 138 G4double DistanceToIn(const G4ThreeVector& p) const override;
139 139
140 G4double DistanceToOut(const G4ThreeVector 140 G4double DistanceToOut(const G4ThreeVector& p, const G4ThreeVector& v,
141 const G4bool calcNo 141 const G4bool calcNorm = false,
142 G4bool* valid 142 G4bool* validNorm = nullptr,
143 G4ThreeVector 143 G4ThreeVector* n = nullptr) const override;
144 G4double DistanceToOut(const G4ThreeVector 144 G4double DistanceToOut(const G4ThreeVector& p) const override;
145 145
146 G4GeometryType GetEntityType() const overr 146 G4GeometryType GetEntityType() const override;
147 147
148 G4ThreeVector GetPointOnSurface() const ov 148 G4ThreeVector GetPointOnSurface() const override;
149 149
150 G4bool IsFaceted() const override; <<
151 <<
152 G4VSolid* Clone() const override; 150 G4VSolid* Clone() const override;
153 151
154 std::ostream& StreamInfo(std::ostream& os) 152 std::ostream& StreamInfo(std::ostream& os) const override;
155 153
156 // Visualisation functions 154 // Visualisation functions
157 155
158 void DescribeYourselfTo (G4VGraph 156 void DescribeYourselfTo (G4VGraphicsScene& scene) const override;
159 G4Polyhedron* CreatePolyhedron () const 157 G4Polyhedron* CreatePolyhedron () const override;
160 158
161 G4Para(__void__&); 159 G4Para(__void__&);
162 // Fake default constructor for usage re 160 // Fake default constructor for usage restricted to direct object
163 // persistency for clients requiring pre 161 // persistency for clients requiring preallocation of memory for
164 // persistifiable objects 162 // persistifiable objects
165 163
166 G4Para(const G4Para& rhs); 164 G4Para(const G4Para& rhs);
167 G4Para& operator=(const G4Para& rhs); 165 G4Para& operator=(const G4Para& rhs);
168 // Copy constructor and assignment opera 166 // Copy constructor and assignment operator
169 167
170 private: 168 private:
171 169
172 void CheckParameters(); 170 void CheckParameters();
173 // Check parameters 171 // Check parameters
174 172
175 void MakePlanes(); 173 void MakePlanes();
176 // Set side planes 174 // Set side planes
177 175
178 G4ThreeVector ApproxSurfaceNormal(const G4 176 G4ThreeVector ApproxSurfaceNormal(const G4ThreeVector& p) const;
179 // Algorithm for SurfaceNormal() followi 177 // Algorithm for SurfaceNormal() following the original
180 // specification for points not on the s 178 // specification for points not on the surface
181 179
182 180
183 private: 181 private:
184 182
185 G4double halfCarTolerance; 183 G4double halfCarTolerance;
186 G4double fDx,fDy,fDz; 184 G4double fDx,fDy,fDz;
187 G4double fTalpha,fTthetaCphi,fTthetaSphi; 185 G4double fTalpha,fTthetaCphi,fTthetaSphi;
188 struct { G4double a,b,c,d; } fPlanes[4]; 186 struct { G4double a,b,c,d; } fPlanes[4];
189 }; 187 };
190 188
191 #include "G4Para.icc" 189 #include "G4Para.icc"
192 190
193 #endif 191 #endif
194 192
195 #endif 193 #endif
196 194