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25 //
26 // Implementation for G4UBox wrapper class
27 //
28 // 13.09.13 G.Cosmo, CERN/PH
29 // --------------------------------------------------------------------
30
31 #include "G4Box.hh"
32 #include "G4UBox.hh"
33
34 #if ( defined(G4GEOM_USE_USOLIDS) || defined(G4GEOM_USE_PARTIAL_USOLIDS) )
35
36 #include "G4AffineTransform.hh"
37 #include "G4VPVParameterisation.hh"
38 #include "G4BoundingEnvelope.hh"
39
40 using namespace CLHEP;
41
42 ////////////////////////////////////////////////////////////////////////
43 //
44 // Constructor - check & set half widths
45
46
47 G4UBox::G4UBox(const G4String& pName,
48 G4double pX,
49 G4double pY,
50 G4double pZ)
51 : Base_t(pName, pX, pY, pZ)
52 {
53 }
54
55 //////////////////////////////////////////////////////////////////////////
56 //
57 // Fake default constructor - sets only member data and allocates memory
58 // for usage restricted to object persistency.
59
60 G4UBox::G4UBox( __void__& a )
61 : Base_t(a)
62 {
63 }
64
65 //////////////////////////////////////////////////////////////////////////
66 //
67 // Destructor
68
69 G4UBox::~G4UBox() = default;
70
71 //////////////////////////////////////////////////////////////////////////
72 //
73 // Copy constructor
74
75 G4UBox::G4UBox(const G4UBox& rhs)
76 : Base_t(rhs)
77 {
78 }
79
80 //////////////////////////////////////////////////////////////////////////
81 //
82 // Assignment operator
83
84 G4UBox& G4UBox::operator = (const G4UBox& rhs)
85 {
86 // Check assignment to self
87 //
88 if (this == &rhs) { return *this; }
89
90 // Copy base class data
91 //
92 Base_t::operator=(rhs);
93
94 return *this;
95 }
96
97 ////////////////////////////////////////////////////////////////////////
98 //
99 // Accessors & modifiers
100
101 G4double G4UBox::GetXHalfLength() const
102 {
103 return x();
104 }
105 G4double G4UBox::GetYHalfLength() const
106 {
107 return y();
108 }
109 G4double G4UBox::GetZHalfLength() const
110 {
111 return z();
112 }
113
114 void G4UBox::SetXHalfLength(G4double dx)
115 {
116 SetX(dx);
117 fRebuildPolyhedron = true;
118 }
119 void G4UBox::SetYHalfLength(G4double dy)
120 {
121 SetY(dy);
122 fRebuildPolyhedron = true;
123 }
124 void G4UBox::SetZHalfLength(G4double dz)
125 {
126 SetZ(dz);
127 fRebuildPolyhedron = true;
128 }
129
130 ////////////////////////////////////////////////////////////////////////
131 //
132 // Dispatch to parameterisation for replication mechanism dimension
133 // computation & modification.
134
135 void G4UBox::ComputeDimensions(G4VPVParameterisation* p,
136 const G4int n,
137 const G4VPhysicalVolume* pRep)
138 {
139 p->ComputeDimensions(*(G4Box*)this,n,pRep);
140 }
141
142 //////////////////////////////////////////////////////////////////////////
143 //
144 // Make a clone of the object
145
146 G4VSolid* G4UBox::Clone() const
147 {
148 return new G4UBox(*this);
149 }
150
151 //////////////////////////////////////////////////////////////////////////
152 //
153 // Get bounding box
154
155 void G4UBox::BoundingLimits(G4ThreeVector& pMin, G4ThreeVector& pMax) const
156 {
157 G4double dx = GetXHalfLength();
158 G4double dy = GetYHalfLength();
159 G4double dz = GetZHalfLength();
160 pMin.set(-dx,-dy,-dz);
161 pMax.set( dx, dy, dz);
162
163 // Check correctness of the bounding box
164 //
165 if (pMin.x() >= pMax.x() || pMin.y() >= pMax.y() || pMin.z() >= pMax.z())
166 {
167 std::ostringstream message;
168 message << "Bad bounding box (min >= max) for solid: "
169 << GetName() << " !"
170 << "\npMin = " << pMin
171 << "\npMax = " << pMax;
172 G4Exception("G4UBox::BoundingLimits()", "GeomMgt0001",
173 JustWarning, message);
174 StreamInfo(G4cout);
175 }
176 }
177
178 //////////////////////////////////////////////////////////////////////////
179 //
180 // Calculate extent under transform and specified limit
181
182 G4bool
183 G4UBox::CalculateExtent(const EAxis pAxis,
184 const G4VoxelLimits& pVoxelLimit,
185 const G4AffineTransform& pTransform,
186 G4double& pMin, G4double& pMax) const
187 {
188 G4ThreeVector bmin, bmax;
189
190 // Get bounding box limits
191 BoundingLimits(bmin,bmax);
192
193 // Find extent
194 G4BoundingEnvelope bbox(bmin,bmax);
195 return bbox.CalculateExtent(pAxis,pVoxelLimit,pTransform,pMin,pMax);
196 }
197
198
199 //////////////////////////////////////////////////////////////////////////
200 //
201 // Create polyhedron for visualization
202
203 G4Polyhedron* G4UBox::CreatePolyhedron() const
204 {
205 return new G4PolyhedronBox(GetXHalfLength(),
206 GetYHalfLength(),
207 GetZHalfLength());
208 }
209
210 #endif // G4GEOM_USE_USOLIDS
211