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25 //
26 // Implementation for G4USphere wrapper class
27 //
28 // 13.09.13 G.Cosmo, CERN/PH
29 // --------------------------------------------------------------------
30
31 #include "G4Sphere.hh"
32 #include "G4USphere.hh"
33
34 #if ( defined(G4GEOM_USE_USOLIDS) || defined(G4GEOM_USE_PARTIAL_USOLIDS) )
35
36 #include "G4GeomTools.hh"
37 #include "G4AffineTransform.hh"
38 #include "G4VPVParameterisation.hh"
39 #include "G4BoundingEnvelope.hh"
40
41 using namespace CLHEP;
42
43 ////////////////////////////////////////////////////////////////////////
44 //
45 // constructor - check parameters, convert angles so 0<sphi+dpshi<=2_PI
46 // - note if pDPhi>2PI then reset to 2PI
47
48 G4USphere::G4USphere( const G4String& pName,
49 G4double pRmin, G4double pRmax,
50 G4double pSPhi, G4double pDPhi,
51 G4double pSTheta, G4double pDTheta )
52 : Base_t(pName, pRmin, pRmax, pSPhi, pDPhi, pSTheta, pDTheta)
53 {
54 }
55
56 ///////////////////////////////////////////////////////////////////////
57 //
58 // Fake default constructor - sets only member data and allocates memory
59 // for usage restricted to object persistency.
60 //
61 G4USphere::G4USphere( __void__& a )
62 : Base_t(a)
63 {
64 }
65
66 /////////////////////////////////////////////////////////////////////
67 //
68 // Destructor
69
70 G4USphere::~G4USphere() = default;
71
72 //////////////////////////////////////////////////////////////////////////
73 //
74 // Copy constructor
75
76 G4USphere::G4USphere(const G4USphere& rhs)
77 : Base_t(rhs)
78 {
79 }
80
81 //////////////////////////////////////////////////////////////////////////
82 //
83 // Assignment operator
84
85 G4USphere& G4USphere::operator = (const G4USphere& rhs)
86 {
87 // Check assignment to self
88 //
89 if (this == &rhs) { return *this; }
90
91 // Copy base class data
92 //
93 Base_t::operator=(rhs);
94
95 return *this;
96 }
97
98 //////////////////////////////////////////////////////////////////////////
99 //
100 // Accessors & modifiers
101
102 G4double G4USphere::GetInnerRadius() const
103 {
104 return Base_t::GetInnerRadius();
105 }
106 G4double G4USphere::GetOuterRadius() const
107 {
108 return Base_t::GetOuterRadius();
109 }
110 G4double G4USphere::GetStartPhiAngle() const
111 {
112 return Base_t::GetStartPhiAngle();
113 }
114 G4double G4USphere::GetDeltaPhiAngle() const
115 {
116 return Base_t::GetDeltaPhiAngle();
117 }
118 G4double G4USphere::GetStartThetaAngle() const
119 {
120 return Base_t::GetStartThetaAngle();
121 }
122 G4double G4USphere::GetDeltaThetaAngle() const
123 {
124 return Base_t::GetDeltaThetaAngle();
125 }
126 G4double G4USphere::GetSinStartPhi() const
127 {
128 return Base_t::GetSinSPhi();
129 }
130 G4double G4USphere::GetCosStartPhi() const
131 {
132 return Base_t::GetCosSPhi();
133 }
134 G4double G4USphere::GetSinEndPhi() const
135 {
136 return Base_t::GetSinEPhi();
137 }
138 G4double G4USphere::GetCosEndPhi() const
139 {
140 return Base_t::GetCosEPhi();
141 }
142 G4double G4USphere::GetSinStartTheta() const
143 {
144 return Base_t::GetSinSTheta();
145 }
146 G4double G4USphere::GetCosStartTheta() const
147 {
148 return Base_t::GetCosSTheta();
149 }
150 G4double G4USphere::GetSinEndTheta() const
151 {
152 return Base_t::GetSinETheta();
153 }
154 G4double G4USphere::GetCosEndTheta() const
155 {
156 return Base_t::GetCosETheta();
157 }
158
159 void G4USphere::SetInnerRadius(G4double newRMin)
160 {
161 Base_t::SetInnerRadius(newRMin);
162 fRebuildPolyhedron = true;
163 }
164 void G4USphere::SetOuterRadius(G4double newRmax)
165 {
166 Base_t::SetOuterRadius(newRmax);
167 fRebuildPolyhedron = true;
168 }
169 void G4USphere::SetStartPhiAngle(G4double newSphi, G4bool trig)
170 {
171 Base_t::SetStartPhiAngle(newSphi, trig);
172 fRebuildPolyhedron = true;
173 }
174 void G4USphere::SetDeltaPhiAngle(G4double newDphi)
175 {
176 Base_t::SetDeltaPhiAngle(newDphi);
177 fRebuildPolyhedron = true;
178 }
179 void G4USphere::SetStartThetaAngle(G4double newSTheta)
180 {
181 Base_t::SetStartThetaAngle(newSTheta);
182 fRebuildPolyhedron = true;
183 }
184 void G4USphere::SetDeltaThetaAngle(G4double newDTheta)
185 {
186 Base_t::SetDeltaThetaAngle(newDTheta);
187 fRebuildPolyhedron = true;
188 }
189
190 //////////////////////////////////////////////////////////////////////////
191 //
192 // Dispatch to parameterisation for replication mechanism dimension
193 // computation & modification.
194
195 void G4USphere::ComputeDimensions( G4VPVParameterisation* p,
196 const G4int n,
197 const G4VPhysicalVolume* pRep)
198 {
199 p->ComputeDimensions(*(G4Sphere*)this,n,pRep);
200 }
201
202 //////////////////////////////////////////////////////////////////////////
203 //
204 // Make a clone of the object
205
206 G4VSolid* G4USphere::Clone() const
207 {
208 return new G4USphere(*this);
209 }
210
211 //////////////////////////////////////////////////////////////////////////
212 //
213 // Get bounding box
214
215 void G4USphere::BoundingLimits(G4ThreeVector& pMin, G4ThreeVector& pMax) const
216 {
217 static G4bool checkBBox = true;
218
219 G4double rmin = GetInnerRadius();
220 G4double rmax = GetOuterRadius();
221
222 // Find bounding box
223 //
224 if (GetDeltaThetaAngle() >= pi && GetDeltaPhiAngle() >= twopi)
225 {
226 pMin.set(-rmax,-rmax,-rmax);
227 pMax.set( rmax, rmax, rmax);
228 }
229 else
230 {
231 G4double sinStart = GetSinStartTheta();
232 G4double cosStart = GetCosStartTheta();
233 G4double sinEnd = GetSinEndTheta();
234 G4double cosEnd = GetCosEndTheta();
235
236 G4double stheta = GetStartThetaAngle();
237 G4double etheta = stheta + GetDeltaThetaAngle();
238 G4double rhomin = rmin*std::min(sinStart,sinEnd);
239 G4double rhomax = rmax;
240 if (stheta > halfpi) rhomax = rmax*sinStart;
241 if (etheta < halfpi) rhomax = rmax*sinEnd;
242
243 G4TwoVector xymin,xymax;
244 G4GeomTools::DiskExtent(rhomin,rhomax,
245 GetSinStartPhi(),GetCosStartPhi(),
246 GetSinEndPhi(),GetCosEndPhi(),
247 xymin,xymax);
248
249 G4double zmin = std::min(rmin*cosEnd,rmax*cosEnd);
250 G4double zmax = std::max(rmin*cosStart,rmax*cosStart);
251 pMin.set(xymin.x(),xymin.y(),zmin);
252 pMax.set(xymax.x(),xymax.y(),zmax);
253 }
254
255 // Check correctness of the bounding box
256 //
257 if (pMin.x() >= pMax.x() || pMin.y() >= pMax.y() || pMin.z() >= pMax.z())
258 {
259 std::ostringstream message;
260 message << "Bad bounding box (min >= max) for solid: "
261 << GetName() << " !"
262 << "\npMin = " << pMin
263 << "\npMax = " << pMax;
264 G4Exception("G4USphere::BoundingLimits()", "GeomMgt0001",
265 JustWarning, message);
266 StreamInfo(G4cout);
267 }
268
269 // Check consistency of bounding boxes
270 //
271 if (checkBBox)
272 {
273 U3Vector vmin, vmax;
274 Extent(vmin,vmax);
275 if (std::abs(pMin.x()-vmin.x()) > kCarTolerance ||
276 std::abs(pMin.y()-vmin.y()) > kCarTolerance ||
277 std::abs(pMin.z()-vmin.z()) > kCarTolerance ||
278 std::abs(pMax.x()-vmax.x()) > kCarTolerance ||
279 std::abs(pMax.y()-vmax.y()) > kCarTolerance ||
280 std::abs(pMax.z()-vmax.z()) > kCarTolerance)
281 {
282 std::ostringstream message;
283 message << "Inconsistency in bounding boxes for solid: "
284 << GetName() << " !"
285 << "\nBBox min: wrapper = " << pMin << " solid = " << vmin
286 << "\nBBox max: wrapper = " << pMax << " solid = " << vmax;
287 G4Exception("G4USphere::BoundingLimits()", "GeomMgt0001",
288 JustWarning, message);
289 checkBBox = false;
290 }
291 }
292 }
293
294 //////////////////////////////////////////////////////////////////////////
295 //
296 // Calculate extent under transform and specified limit
297
298 G4bool G4USphere::CalculateExtent(const EAxis pAxis,
299 const G4VoxelLimits& pVoxelLimit,
300 const G4AffineTransform& pTransform,
301 G4double& pMin, G4double& pMax) const
302 {
303 G4ThreeVector bmin, bmax;
304
305 // Get bounding box
306 BoundingLimits(bmin,bmax);
307
308 // Find extent
309 G4BoundingEnvelope bbox(bmin,bmax);
310 return bbox.CalculateExtent(pAxis,pVoxelLimit,pTransform,pMin,pMax);
311 }
312
313 //////////////////////////////////////////////////////////////////////////
314 //
315 // Create polyhedron for visualization
316
317 G4Polyhedron* G4USphere::CreatePolyhedron() const
318 {
319 return new G4PolyhedronSphere(GetInnerRadius(),
320 GetOuterRadius(),
321 GetStartPhiAngle(),
322 GetDeltaPhiAngle(),
323 GetStartThetaAngle(),
324 GetDeltaThetaAngle());
325 }
326
327 #endif // G4GEOM_USE_USOLIDS
328