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25 //
26 // G4BooleanSolid
27 //
28 // Class description:
29 //
30 // Abstract base class for solids created by boolean operations
31 // between other solids.
32
33 // 10.09.98 V.Grichine - created
34 // --------------------------------------------------------------------
35 #ifndef G4BOOLEANSOLID_HH
36 #define G4BOOLEANSOLID_HH
37
38 #include "G4DisplacedSolid.hh"
39
40 #include "G4ThreeVector.hh"
41 #include "G4RotationMatrix.hh"
42 #include "G4Transform3D.hh"
43
44 #include "G4VBooleanProcessor.hh"
45
46 class HepPolyhedronProcessor;
47
48
49 class G4BooleanSolid : public G4VSolid
50 {
51 public:
52
53 G4BooleanSolid( const G4String& pName,
54 G4VSolid* pSolidA ,
55 G4VSolid* pSolidB );
56
57 G4BooleanSolid( const G4String& pName,
58 G4VSolid* pSolidA ,
59 G4VSolid* pSolidB,
60 G4RotationMatrix* rotMatrix,
61 const G4ThreeVector& transVector );
62
63 G4BooleanSolid( const G4String& pName,
64 G4VSolid* pSolidA ,
65 G4VSolid* pSolidB ,
66 const G4Transform3D& transform );
67
68 ~G4BooleanSolid() override;
69
70 const G4VSolid* GetConstituentSolid(G4int no) const override;
71 G4VSolid* GetConstituentSolid(G4int no) override;
72 // If Solid is made up from a Boolean operation of two solids,
73 // return the corresponding solid (for no=0 and 1).
74 // If the solid is not a "Boolean", return 0.
75
76 G4double GetCubicVolume() override;
77 inline G4double GetSurfaceArea() override;
78
79 G4GeometryType GetEntityType() const override;
80 G4Polyhedron* GetPolyhedron() const override;
81
82 std::ostream& StreamInfo(std::ostream& os) const override;
83
84 inline G4int GetCubVolStatistics() const;
85 inline G4double GetCubVolEpsilon() const;
86 void SetCubVolStatistics(G4int st);
87 void SetCubVolEpsilon(G4double ep);
88
89 inline G4int GetAreaStatistics() const;
90 inline G4double GetAreaAccuracy() const;
91 inline void SetAreaStatistics(G4int st);
92 inline void SetAreaAccuracy(G4double ep);
93
94 G4ThreeVector GetPointOnSurface() const override;
95
96 G4int GetNumOfConstituents() const override;
97 G4bool IsFaceted() const override;
98
99 G4BooleanSolid(__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 G4BooleanSolid(const G4BooleanSolid& rhs);
105 G4BooleanSolid& operator=(const G4BooleanSolid& rhs);
106 // Copy constructor and assignment operator.
107
108 static void SetExternalBooleanProcessor(G4VBooleanProcessor* extProcessor);
109 // Set Boolean processor to replace default processor.
110 static G4VBooleanProcessor* GetExternalBooleanProcessor();
111 // Get Boolean processor needed for G4MultiUnion.
112
113 protected:
114
115 void GetListOfPrimitives(std::vector<std::pair<G4VSolid *,G4Transform3D>>&,
116 const G4Transform3D&) const;
117 // Get list of constituent primitives of the solid and their placements.
118
119 G4Polyhedron* StackPolyhedron(HepPolyhedronProcessor&,
120 const G4VSolid*) const;
121 // Stack polyhedra for processing. Return top polyhedron.
122
123 protected:
124
125 G4VSolid* fPtrSolidA = nullptr;
126 G4VSolid* fPtrSolidB = nullptr;
127
128 G4double fCubicVolume = -1.0;
129 // Cached value of Cubic Volume
130 G4double fSurfaceArea = -1.0;
131 // Cached value of Surface Area
132
133 static G4VBooleanProcessor* fExternalBoolProcessor;
134 // External Boolean processor
135
136 private:
137
138 G4int fCubVolStatistics = 1000000;
139 G4int fAreaStatistics = 1000000;
140 G4double fCubVolEpsilon = 0.001;
141 G4double fAreaAccuracy = -1;
142
143 mutable G4bool fRebuildPolyhedron = false;
144 mutable G4Polyhedron* fpPolyhedron = nullptr;
145
146 mutable std::vector<std::pair<G4VSolid *,G4Transform3D>> fPrimitives;
147 mutable G4double fPrimitivesSurfaceArea = 0.0;
148
149 G4bool createdDisplacedSolid = false;
150 // If & only if this object created it, it must delete it
151 };
152
153 #include "G4BooleanSolid.icc"
154
155 #endif
156