| Geant4 Cross Reference |
1 // 1
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24 // *******************************************
25 //
26 // Implementation of inline methods of G4Cons
27 // -------------------------------------------
28
29 inline
30 G4double G4Cons::GetInnerRadiusMinusZ() const
31 {
32 return fRmin1 ;
33 }
34
35 inline
36 G4double G4Cons::GetOuterRadiusMinusZ() const
37 {
38 return fRmax1 ;
39 }
40
41 inline
42 G4double G4Cons::GetInnerRadiusPlusZ() const
43 {
44 return fRmin2 ;
45 }
46
47 inline
48 G4double G4Cons::GetOuterRadiusPlusZ() const
49 {
50 return fRmax2 ;
51 }
52
53 inline
54 G4double G4Cons::GetZHalfLength() const
55 {
56 return fDz ;
57 }
58
59 inline
60 G4double G4Cons::GetStartPhiAngle() const
61 {
62 return fSPhi ;
63 }
64
65 inline
66 G4double G4Cons::GetDeltaPhiAngle() const
67 {
68 return fDPhi;
69 }
70
71 inline
72 G4double G4Cons::GetSinStartPhi() const
73 {
74 return sinSPhi;
75 }
76
77 inline
78 G4double G4Cons::GetCosStartPhi() const
79 {
80 return cosSPhi;
81 }
82
83 inline
84 G4double G4Cons::GetSinEndPhi() const
85 {
86 return sinEPhi;
87 }
88
89 inline
90 G4double G4Cons::GetCosEndPhi() const
91 {
92 return cosEPhi;
93 }
94
95 inline
96 void G4Cons::Initialize()
97 {
98 fCubicVolume = 0.;
99 fSurfaceArea = 0.;
100 fRebuildPolyhedron = true;
101 }
102
103 inline
104 void G4Cons::InitializeTrigonometry()
105 {
106 G4double hDPhi = 0.5*fDPhi;
107 G4double cPhi = fSPhi + hDPhi;
108 G4double ePhi = fSPhi + fDPhi;
109
110 sinCPhi = std::sin(cPhi);
111 cosCPhi = std::cos(cPhi);
112 cosHDPhi = std::cos(hDPhi);
113 cosHDPhiIT = std::cos(hDPhi - 0.5*kAngTolera
114 cosHDPhiOT = std::cos(hDPhi + 0.5*kAngTolera
115 sinSPhi = std::sin(fSPhi);
116 cosSPhi = std::cos(fSPhi);
117 sinEPhi = std::sin(ePhi);
118 cosEPhi = std::cos(ePhi);
119 }
120
121 inline void G4Cons::CheckSPhiAngle(G4double sP
122 {
123 // Ensure fSphi in 0-2PI or -2PI-0 range if
124
125 if ( sPhi < 0 )
126 {
127 fSPhi = CLHEP::twopi - std::fmod(std::fabs
128 }
129 else
130 {
131 fSPhi = std::fmod(sPhi,CLHEP::twopi) ;
132 }
133 if ( fSPhi+fDPhi > CLHEP::twopi )
134 {
135 fSPhi -= CLHEP::twopi ;
136 }
137 }
138
139 inline void G4Cons::CheckDPhiAngle(G4double dP
140 {
141 fPhiFullCone = true;
142 if ( dPhi >= CLHEP::twopi-kAngTolerance*0.5
143 {
144 fDPhi=CLHEP::twopi;
145 fSPhi=0;
146 }
147 else
148 {
149 fPhiFullCone = false;
150 if ( dPhi > 0 )
151 {
152 fDPhi = dPhi;
153 }
154 else
155 {
156 std::ostringstream message;
157 message << "Invalid dphi." << G4endl
158 << "Negative or zero delta-Phi (
159 << GetName();
160 G4Exception("G4Cons::CheckDPhiAngle()",
161 FatalException, message);
162 }
163 }
164 }
165
166 inline void G4Cons::CheckPhiAngles(G4double sP
167 {
168 CheckDPhiAngle(dPhi);
169 if ( (fDPhi<CLHEP::twopi) && ((sPhi) != 0.0)
170 InitializeTrigonometry();
171 }
172
173 inline
174 void G4Cons::SetInnerRadiusMinusZ( G4double Rm
175 {
176 fRmin1= Rmin1 ;
177 Initialize();
178 }
179
180 inline
181 void G4Cons::SetOuterRadiusMinusZ( G4double Rm
182 {
183 fRmax1= Rmax1 ;
184 Initialize();
185 }
186
187 inline
188 void G4Cons::SetInnerRadiusPlusZ ( G4double Rm
189 {
190 fRmin2= Rmin2 ;
191 Initialize();
192 }
193
194 inline
195 void G4Cons::SetOuterRadiusPlusZ ( G4double Rm
196 {
197 fRmax2= Rmax2 ;
198 Initialize();
199 }
200
201 inline
202 void G4Cons::SetZHalfLength ( G4double newDz )
203 {
204 fDz= newDz ;
205 Initialize();
206 }
207
208 inline
209 void G4Cons::SetStartPhiAngle ( G4double newSP
210 {
211 // Flag 'compute' can be used to explicitely
212 // trigonometry in case SetDeltaPhiAngle() i
213
214 CheckSPhiAngle(newSPhi);
215 fPhiFullCone = false;
216 if (compute) { InitializeTrigonometry(); }
217 Initialize();
218 }
219
220 void G4Cons::SetDeltaPhiAngle ( G4double newDP
221 {
222 CheckPhiAngles(fSPhi, newDPhi);
223 Initialize();
224 }
225
226 inline
227 G4double G4Cons::GetCubicVolume()
228 {
229 if(fCubicVolume != 0.) {;}
230 else
231 {
232 G4double Rmean, rMean, deltaR, deltar;
233
234 Rmean = 0.5*(fRmax1+fRmax2);
235 deltaR = fRmax1-fRmax2;
236
237 rMean = 0.5*(fRmin1+fRmin2);
238 deltar = fRmin1-fRmin2;
239 fCubicVolume = fDPhi*fDz*(Rmean*Rmean-rMea
240 +(deltaR*deltaR-de
241 }
242 return fCubicVolume;
243 }
244
245 inline
246 G4double G4Cons::GetSurfaceArea()
247 {
248 if(fSurfaceArea != 0.) {;}
249 else
250 {
251 G4double mmin, mmax, dmin, dmax;
252
253 mmin= (fRmin1+fRmin2)*0.5;
254 mmax= (fRmax1+fRmax2)*0.5;
255 dmin= (fRmin2-fRmin1);
256 dmax= (fRmax2-fRmax1);
257
258 fSurfaceArea = fDPhi*( mmin * std::sqrt(dm
259 + mmax * std::sqrt(dm
260 + 0.5*(fRmax1*fRmax1-
261 +fRmax2*fRmax2-
262 if(!fPhiFullCone)
263 {
264 fSurfaceArea = fSurfaceArea+4*fDz*(mmax-
265 }
266 }
267 return fSurfaceArea;
268 }
269