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24 // ********************************************************************
25 //
26 // Implementation of inline methods of G4Sphere
27 // --------------------------------------------------------------------
28
29 inline
30 G4double G4Sphere::GetInnerRadius() const
31 {
32 return fRmin;
33 }
34
35 inline
36 G4double G4Sphere::GetOuterRadius() const
37 {
38 return fRmax;
39 }
40
41 inline
42 G4double G4Sphere::GetStartPhiAngle() const
43 {
44 return fSPhi;
45 }
46
47 inline
48 G4double G4Sphere::GetDeltaPhiAngle() const
49 {
50 return fDPhi;
51 }
52
53 inline
54 G4double G4Sphere::GetStartThetaAngle() const
55 {
56 return fSTheta;
57 }
58
59 G4double G4Sphere::GetDeltaThetaAngle() const
60 {
61 return fDTheta;
62 }
63
64 inline
65 G4double G4Sphere::GetSinStartPhi () const
66 {
67 return sinSPhi;
68 }
69
70 inline
71 G4double G4Sphere::GetCosStartPhi () const
72 {
73 return cosSPhi;
74 }
75
76 inline
77 G4double G4Sphere::GetSinEndPhi () const
78 {
79 return sinEPhi;
80 }
81
82 inline
83 G4double G4Sphere::GetCosEndPhi () const
84 {
85 return cosEPhi;
86 }
87
88 inline
89 G4double G4Sphere::GetSinStartTheta () const
90 {
91 return sinSTheta;
92 }
93
94 inline
95 G4double G4Sphere::GetCosStartTheta () const
96 {
97 return cosSTheta;
98 }
99
100 inline
101 G4double G4Sphere::GetSinEndTheta () const
102 {
103 return sinETheta;
104 }
105
106 inline
107 G4double G4Sphere::GetCosEndTheta () const
108 {
109 return cosETheta;
110 }
111
112 inline
113 void G4Sphere::Initialize()
114 {
115 fCubicVolume = 0.;
116 fSurfaceArea = 0.;
117 fRebuildPolyhedron = true;
118 }
119
120 inline
121 void G4Sphere::InitializePhiTrigonometry()
122 {
123 hDPhi = 0.5*fDPhi; // half delta phi
124 cPhi = fSPhi + hDPhi;
125 ePhi = fSPhi + fDPhi;
126
127 sinCPhi = std::sin(cPhi);
128 cosCPhi = std::cos(cPhi);
129 cosHDPhi = std::cos(hDPhi);
130 cosHDPhiIT = std::cos(hDPhi - 0.5*kAngTolerance); // inner/outer tol half dphi
131 cosHDPhiOT = std::cos(hDPhi + 0.5*kAngTolerance);
132 sinSPhi = std::sin(fSPhi);
133 cosSPhi = std::cos(fSPhi);
134 sinEPhi = std::sin(ePhi);
135 cosEPhi = std::cos(ePhi);
136 }
137
138 inline
139 void G4Sphere::InitializeThetaTrigonometry()
140 {
141 eTheta = fSTheta + fDTheta;
142
143 sinSTheta = std::sin(fSTheta);
144 cosSTheta = std::cos(fSTheta);
145 sinETheta = std::sin(eTheta);
146 cosETheta = std::cos(eTheta);
147
148 tanSTheta = sinSTheta/cosSTheta;
149 tanSTheta2 = tanSTheta*tanSTheta;
150 tanETheta = sinETheta/cosETheta;
151 tanETheta2 = tanETheta*tanETheta;
152 }
153
154 inline
155 void G4Sphere::CheckThetaAngles(G4double sTheta, G4double dTheta)
156 {
157 if ( (sTheta<0) || (sTheta>CLHEP::pi) )
158 {
159 std::ostringstream message;
160 message << "sTheta outside 0-PI range." << G4endl
161 << "Invalid starting Theta angle for solid: " << GetName();
162 G4Exception("G4Sphere::CheckThetaAngles()", "GeomSolids0002",
163 FatalException, message);
164 }
165 else
166 {
167 fSTheta=sTheta;
168 }
169 if ( dTheta+sTheta >= CLHEP::pi )
170 {
171 fDTheta=CLHEP::pi-sTheta;
172 }
173 else if ( dTheta > 0 )
174 {
175 fDTheta=dTheta;
176 }
177 else
178 {
179 std::ostringstream message;
180 message << "Invalid dTheta." << G4endl
181 << "Negative delta-Theta (" << dTheta << "), for solid: "
182 << GetName();
183 G4Exception("G4Sphere::CheckThetaAngles()", "GeomSolids0002",
184 FatalException, message);
185 }
186 fFullThetaSphere = fDTheta-fSTheta >= CLHEP::pi;
187 fFullSphere = fFullPhiSphere && fFullThetaSphere;
188
189 InitializeThetaTrigonometry();
190 }
191
192 inline
193 void G4Sphere::CheckSPhiAngle(G4double sPhi)
194 {
195 // Ensure fSphi in 0-2PI or -2PI-0 range if shape crosses 0
196
197 if ( sPhi < 0 )
198 {
199 fSPhi = CLHEP::twopi - std::fmod(std::fabs(sPhi),CLHEP::twopi);
200 }
201 else
202 {
203 fSPhi = std::fmod(sPhi,CLHEP::twopi) ;
204 }
205 if ( fSPhi+fDPhi > CLHEP::twopi )
206 {
207 fSPhi -= CLHEP::twopi ;
208 }
209 }
210
211 inline
212 void G4Sphere::CheckDPhiAngle(G4double dPhi)
213 {
214 fFullPhiSphere = true;
215 if ( dPhi >= CLHEP::twopi-kAngTolerance*0.5 )
216 {
217 fDPhi=CLHEP::twopi;
218 }
219 else
220 {
221 fFullPhiSphere = false;
222 if ( dPhi > 0 )
223 {
224 fDPhi = dPhi;
225 }
226 else
227 {
228 std::ostringstream message;
229 message << "Invalid dphi." << G4endl
230 << "Negative delta-Phi (" << dPhi << "), for solid: "
231 << GetName();
232 G4Exception("G4Sphere::CheckDPhiAngle()", "GeomSolids0002",
233 FatalException, message);
234 }
235 }
236 }
237
238 inline
239 void G4Sphere::CheckPhiAngles(G4double sPhi, G4double dPhi)
240 {
241 CheckDPhiAngle(dPhi);
242 if (!fFullPhiSphere && (sPhi != 0.0)) { CheckSPhiAngle(sPhi); }
243 fFullSphere = fFullPhiSphere && fFullThetaSphere;
244
245 InitializePhiTrigonometry();
246 }
247
248 inline
249 void G4Sphere::SetInnerRadius(G4double newRmin)
250 {
251 fRmin= newRmin;
252 fRminTolerance = (fRmin) != 0.0 ? std::max( kRadTolerance, fEpsilon*fRmin ) : 0;
253 Initialize();
254 }
255
256 inline
257 void G4Sphere::SetOuterRadius(G4double newRmax)
258 {
259 fRmax= newRmax;
260 fRmaxTolerance = std::max( kRadTolerance, fEpsilon*fRmax );
261 Initialize();
262 }
263
264 inline
265 void G4Sphere::SetStartPhiAngle(G4double newSPhi, G4bool compute)
266 {
267 // Flag 'compute' can be used to explicitely avoid recomputation of
268 // trigonometry in case SetDeltaPhiAngle() is invoked afterwards
269
270 CheckSPhiAngle(newSPhi);
271 fFullPhiSphere = false;
272 if (compute) { InitializePhiTrigonometry(); }
273 Initialize();
274 }
275
276 inline
277 void G4Sphere::SetDeltaPhiAngle(G4double newDPhi)
278 {
279 CheckPhiAngles(fSPhi, newDPhi);
280 Initialize();
281 }
282
283 inline
284 void G4Sphere::SetStartThetaAngle(G4double newSTheta)
285 {
286 CheckThetaAngles(newSTheta, fDTheta);
287 Initialize();
288 }
289
290 inline
291 void G4Sphere::SetDeltaThetaAngle(G4double newDTheta)
292 {
293 CheckThetaAngles(fSTheta, newDTheta);
294 Initialize();
295 }
296