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25 //
26 // Implementation of G4CSGSolid
27 //
28 // 27.03.98 J.Apostolakis - First version.
29 // --------------------------------------------------------------------
30
31 #include <cmath>
32
33 #include "G4CSGSolid.hh"
34 #include "G4QuickRand.hh"
35 #include "G4Polyhedron.hh"
36
37 #include "G4AutoLock.hh"
38
39 namespace
40 {
41 G4Mutex polyhedronMutex = G4MUTEX_INITIALIZER;
42 }
43
44 //////////////////////////////////////////////////////////////////////////
45 //
46 // Constructor
47 // - Base class constructor
48
49 G4CSGSolid::G4CSGSolid(const G4String& name) :
50 G4VSolid(name)
51 {
52 }
53
54 //////////////////////////////////////////////////////////////////////////
55 //
56 // Fake default constructor - sets only member data and allocates memory
57 // for usage restricted to object persistency.
58
59 G4CSGSolid::G4CSGSolid( __void__& a )
60 : G4VSolid(a)
61 {
62 }
63
64 //////////////////////////////////////////////////////////////////////////
65 //
66 // Destructor
67 //
68
69 G4CSGSolid::~G4CSGSolid()
70 {
71 delete fpPolyhedron; fpPolyhedron = nullptr;
72 }
73
74 //////////////////////////////////////////////////////////////////////////
75 //
76 // Copy constructor
77 //
78
79 G4CSGSolid::G4CSGSolid(const G4CSGSolid& rhs)
80 : G4VSolid(rhs), fCubicVolume(rhs.fCubicVolume),
81 fSurfaceArea(rhs.fSurfaceArea)
82 {
83 }
84
85 //////////////////////////////////////////////////////////////////////////
86 //
87 // Assignment operator
88
89 G4CSGSolid& G4CSGSolid::operator = (const G4CSGSolid& rhs)
90 {
91 // Check assignment to self
92 //
93 if (this == &rhs) { return *this; }
94
95 // Copy base class data
96 //
97 G4VSolid::operator=(rhs);
98
99 // Copy data
100 //
101 fCubicVolume = rhs.fCubicVolume;
102 fSurfaceArea = rhs.fSurfaceArea;
103 fRebuildPolyhedron = false;
104 delete fpPolyhedron; fpPolyhedron = nullptr;
105
106 return *this;
107 }
108
109 G4double G4CSGSolid::GetRadiusInRing(G4double rmin, G4double rmax) const
110 {
111 G4double k = G4QuickRand();
112 return (rmin <= 0) ? rmax*std::sqrt(k)
113 : std::sqrt(k*rmax*rmax + (1. - k)*rmin*rmin);
114 }
115
116 std::ostream& G4CSGSolid::StreamInfo(std::ostream& os) const
117 {
118 os << "-----------------------------------------------------------\n"
119 << " *** Dump for solid - " << GetName() << " ***\n"
120 << " ===================================================\n"
121 << " Solid type: " << GetEntityType() << "\n"
122 << " Parameters: \n"
123 << " NOT available !\n"
124 << "-----------------------------------------------------------\n";
125
126 return os;
127 }
128
129 G4Polyhedron* G4CSGSolid::GetPolyhedron () const
130 {
131 if (fpPolyhedron == nullptr ||
132 fRebuildPolyhedron ||
133 fpPolyhedron->GetNumberOfRotationStepsAtTimeOfCreation() !=
134 fpPolyhedron->GetNumberOfRotationSteps())
135 {
136 G4AutoLock l(&polyhedronMutex);
137 delete fpPolyhedron;
138 fpPolyhedron = CreatePolyhedron();
139 fRebuildPolyhedron = false;
140 l.unlock();
141 }
142 return fpPolyhedron;
143 }
144