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25 //
26 // Implementation for G4UEllipsoid wrapper class
27 //
28 // 13-08-2019 Gabriele Cosmo, CERN
29 // --------------------------------------------------------------------
30
31 #include "G4Ellipsoid.hh"
32 #include "G4UEllipsoid.hh"
33
34 #if ( defined(G4GEOM_USE_USOLIDS) || defined(G4GEOM_USE_PARTIAL_USOLIDS) )
35
36 #include "G4AffineTransform.hh"
37 #include "G4VPVParameterisation.hh"
38 #include "G4PhysicalConstants.hh"
39 #include "G4BoundingEnvelope.hh"
40 #include "G4Polyhedron.hh"
41
42 ////////////////////////////////////////////////////////////////////////
43 //
44 // Constructor - check & set half widths
45
46
47 G4UEllipsoid::G4UEllipsoid(const G4String& pName,
48 G4double dx,
49 G4double dy,
50 G4double dz,
51 G4double bcut,
52 G4double tcut )
53 : Base_t(pName, dx, dy, dz, bcut, tcut)
54 { }
55
56 //////////////////////////////////////////////////////////////////////////
57 //
58 // Fake default constructor - sets only member data and allocates memory
59 // for usage restricted to object persistency.
60
61 G4UEllipsoid::G4UEllipsoid( __void__& a )
62 : Base_t(a)
63 { }
64
65 //////////////////////////////////////////////////////////////////////////
66 //
67 // Destructor
68
69 G4UEllipsoid::~G4UEllipsoid() = default;
70
71 //////////////////////////////////////////////////////////////////////////
72 //
73 // Copy constructor
74
75 G4UEllipsoid::G4UEllipsoid(const G4UEllipsoid& rhs)
76 : Base_t(rhs)
77 { }
78
79 //////////////////////////////////////////////////////////////////////////
80 //
81 // Assignment operator
82
83 G4UEllipsoid& G4UEllipsoid::operator = (const G4UEllipsoid& rhs)
84 {
85 // Check assignment to self
86 //
87 if (this == &rhs) { return *this; }
88
89 // Copy base class data
90 //
91 Base_t::operator=(rhs);
92
93 return *this;
94 }
95
96 //////////////////////////////////////////////////////////////////////////
97 //
98 // Accessors
99
100 G4double G4UEllipsoid::GetDx() const
101 {
102 return Base_t::GetDx();
103 }
104
105 G4double G4UEllipsoid::GetDy() const
106 {
107 return Base_t::GetDy();
108 }
109
110 G4double G4UEllipsoid::GetDz() const
111 {
112 return Base_t::GetDz();
113 }
114
115 G4double G4UEllipsoid::GetSemiAxisMax (G4int i) const
116 {
117 return (i==0) ? GetDx()
118 : (i==1) ? GetDy()
119 : GetDz();
120 }
121
122 G4double G4UEllipsoid::GetZBottomCut() const
123 {
124 return Base_t::GetZBottomCut();
125 }
126
127 G4double G4UEllipsoid::GetZTopCut() const
128 {
129 return Base_t::GetZTopCut();
130 }
131
132 //////////////////////////////////////////////////////////////////////////
133 //
134 // Modifiers
135
136 void G4UEllipsoid::SetSemiAxis (G4double x, G4double y, G4double z)
137 {
138 Base_t::SetSemiAxes(x, y, z);
139 }
140
141 void G4UEllipsoid::SetZCuts (G4double newzBottomCut, G4double newzTopCut)
142 {
143 Base_t::SetZCuts(newzBottomCut, newzTopCut);
144 }
145
146 //////////////////////////////////////////////////////////////////////////
147 //
148 // Make a clone of the object
149
150 G4VSolid* G4UEllipsoid::Clone() const
151 {
152 return new G4UEllipsoid(*this);
153 }
154
155 //////////////////////////////////////////////////////////////////////////
156 //
157 // Get bounding box
158
159 void G4UEllipsoid::BoundingLimits(G4ThreeVector& pMin,
160 G4ThreeVector& pMax) const
161 {
162 G4double dx = GetDx();
163 G4double dy = GetDy();
164 G4double dz = GetDz();
165 G4double zmin = std::max(-dz,GetZBottomCut());
166 G4double zmax = std::min( dz,GetZTopCut());
167 pMin.set(-dx,-dy,zmin);
168 pMax.set( dx, dy,zmax);
169
170 // Check correctness of the bounding box
171 //
172 if (pMin.x() >= pMax.x() || pMin.y() >= pMax.y() || pMin.z() >= pMax.z())
173 {
174 std::ostringstream message;
175 message << "Bad bounding box (min >= max) for solid: "
176 << GetName() << " !"
177 << "\npMin = " << pMin
178 << "\npMax = " << pMax;
179 G4Exception("G4UEllipsoid::BoundingLimits()", "GeomMgt0001",
180 JustWarning, message);
181 StreamInfo(G4cout);
182 }
183 }
184
185 //////////////////////////////////////////////////////////////////////////
186 //
187 // Calculate extent under transform and specified limit
188
189 G4bool
190 G4UEllipsoid::CalculateExtent(const EAxis pAxis,
191 const G4VoxelLimits& pVoxelLimit,
192 const G4AffineTransform& pTransform,
193 G4double& pMin, G4double& pMax) const
194 {
195 G4ThreeVector bmin, bmax;
196
197 // Get bounding box
198 BoundingLimits(bmin,bmax);
199
200 // Find extent
201 G4BoundingEnvelope bbox(bmin,bmax);
202 return bbox.CalculateExtent(pAxis,pVoxelLimit,pTransform,pMin,pMax);
203 }
204
205 ////////////////////////////////////////////////////////////////////////
206 //
207 // CreatePolyhedron
208
209 G4Polyhedron* G4UEllipsoid::CreatePolyhedron() const
210 {
211 return new G4PolyhedronEllipsoid(GetDx(), GetDy(), GetDz(),
212 GetZBottomCut(), GetZTopCut());
213 }
214
215 #endif // G4GEOM_USE_USOLIDS
216