Geant4  10.00.p01
G4Cons.icc
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27 // $Id: G4Cons.icc 66356 2012-12-18 09:02:32Z gcosmo $
28 //
29 // --------------------------------------------------------------------
30 // GEANT 4 inline definitions file
31 //
32 // G4Cons.icc
33 //
34 // Implementation of inline methods of G4Cons
35 // --------------------------------------------------------------------
36 
37 inline
38 G4double G4Cons::GetInnerRadiusMinusZ() const
39 {
40  return fRmin1 ;
41 }
42 
43 inline
44 G4double G4Cons::GetOuterRadiusMinusZ() const
45 {
46  return fRmax1 ;
47 }
48 
49 inline
50 G4double G4Cons::GetInnerRadiusPlusZ() const
51 {
52  return fRmin2 ;
53 }
54 
55 inline
56 G4double G4Cons::GetOuterRadiusPlusZ() const
57 {
58  return fRmax2 ;
59 }
60 
61 inline
62 G4double G4Cons::GetZHalfLength() const
63 {
64  return fDz ;
65 }
66 
67 inline
68 G4double G4Cons::GetStartPhiAngle() const
69 {
70  return fSPhi ;
71 }
72 
73 inline
74 G4double G4Cons::GetDeltaPhiAngle() const
75 {
76  return fDPhi;
77 }
78 
79 inline
80 void G4Cons::Initialize()
81 {
82  fCubicVolume = 0.;
83  fSurfaceArea = 0.;
84  fpPolyhedron = 0;
85 }
86 
87 inline
88 void G4Cons::InitializeTrigonometry()
89 {
90  G4double hDPhi = 0.5*fDPhi; // half delta phi
91  G4double cPhi = fSPhi + hDPhi;
92  G4double ePhi = fSPhi + fDPhi;
93 
94  sinCPhi = std::sin(cPhi);
95  cosCPhi = std::cos(cPhi);
96  cosHDPhiIT = std::cos(hDPhi - 0.5*kAngTolerance); // inner/outer tol half dphi
97  cosHDPhiOT = std::cos(hDPhi + 0.5*kAngTolerance);
98  sinSPhi = std::sin(fSPhi);
99  cosSPhi = std::cos(fSPhi);
100  sinEPhi = std::sin(ePhi);
101  cosEPhi = std::cos(ePhi);
102 }
103 
104 inline void G4Cons::CheckSPhiAngle(G4double sPhi)
105 {
106  // Ensure fSphi in 0-2PI or -2PI-0 range if shape crosses 0
107 
108  if ( sPhi < 0 )
109  {
110  fSPhi = CLHEP::twopi - std::fmod(std::fabs(sPhi),CLHEP::twopi);
111  }
112  else
113  {
114  fSPhi = std::fmod(sPhi,CLHEP::twopi) ;
115  }
116  if ( fSPhi+fDPhi > CLHEP::twopi )
117  {
118  fSPhi -= CLHEP::twopi ;
119  }
120 }
121 
122 inline void G4Cons::CheckDPhiAngle(G4double dPhi)
123 {
124  fPhiFullCone = true;
125  if ( dPhi >= CLHEP::twopi-kAngTolerance*0.5 )
126  {
127  fDPhi=CLHEP::twopi;
128  fSPhi=0;
129  }
130  else
131  {
132  fPhiFullCone = false;
133  if ( dPhi > 0 )
134  {
135  fDPhi = dPhi;
136  }
137  else
138  {
139  std::ostringstream message;
140  message << "Invalid dphi." << G4endl
141  << "Negative or zero delta-Phi (" << dPhi << ") in solid: "
142  << GetName();
143  G4Exception("G4Cons::CheckDPhiAngle()", "GeomSolids0002",
144  FatalException, message);
145  }
146  }
147 }
148 
149 inline void G4Cons::CheckPhiAngles(G4double sPhi, G4double dPhi)
150 {
151  CheckDPhiAngle(dPhi);
152  if ( (fDPhi<CLHEP::twopi) && (sPhi) ) { CheckSPhiAngle(sPhi); }
153  InitializeTrigonometry();
154 }
155 
156 inline
157 void G4Cons::SetInnerRadiusMinusZ( G4double Rmin1 )
158 {
159  fRmin1= Rmin1 ;
160  Initialize();
161 }
162 
163 inline
164 void G4Cons::SetOuterRadiusMinusZ( G4double Rmax1 )
165 {
166  fRmax1= Rmax1 ;
167  Initialize();
168 }
169 
170 inline
171 void G4Cons::SetInnerRadiusPlusZ ( G4double Rmin2 )
172 {
173  fRmin2= Rmin2 ;
174  Initialize();
175 }
176 
177 inline
178 void G4Cons::SetOuterRadiusPlusZ ( G4double Rmax2 )
179 {
180  fRmax2= Rmax2 ;
181  Initialize();
182 }
183 
184 inline
185 void G4Cons::SetZHalfLength ( G4double newDz )
186 {
187  fDz= newDz ;
188  Initialize();
189 }
190 
191 inline
192 void G4Cons::SetStartPhiAngle ( G4double newSPhi, G4bool compute )
193 {
194  // Flag 'compute' can be used to explicitely avoid recomputation of
195  // trigonometry in case SetDeltaPhiAngle() is invoked afterwards
196 
197  CheckSPhiAngle(newSPhi);
198  fPhiFullCone = false;
199  if (compute) { InitializeTrigonometry(); }
200  Initialize();
201 }
202 
203 void G4Cons::SetDeltaPhiAngle ( G4double newDPhi )
204 {
205  CheckPhiAngles(fSPhi, newDPhi);
206  Initialize();
207 }
208 
209 // Old access methods ...
210 
211 inline
212 G4double G4Cons::GetRmin1() const
213 {
214  return GetInnerRadiusMinusZ();
215 }
216 
217 inline
218 G4double G4Cons::GetRmax1() const
219 {
220  return GetOuterRadiusMinusZ();
221 }
222 
223 inline
224 G4double G4Cons::GetRmin2() const
225 {
226  return GetInnerRadiusPlusZ();
227 }
228 
229 inline
230 G4double G4Cons::GetRmax2() const
231 {
232  return GetOuterRadiusPlusZ();
233 }
234 
235 inline
236 G4double G4Cons::GetDz() const
237 {
238  return GetZHalfLength();
239 }
240 
241 inline
242 G4double G4Cons::GetSPhi() const
243 {
244  return GetStartPhiAngle();
245 }
246 
247 inline
248 G4double G4Cons::GetDPhi() const
249 {
250  return GetDeltaPhiAngle();
251 }
252 
253 inline
254 G4double G4Cons::GetCubicVolume()
255 {
256  if(fCubicVolume != 0.) {;}
257  else
258  {
259  G4double Rmean, rMean, deltaR, deltar;
260 
261  Rmean = 0.5*(fRmax1+fRmax2);
262  deltaR = fRmax1-fRmax2;
263 
264  rMean = 0.5*(fRmin1+fRmin2);
265  deltar = fRmin1-fRmin2;
266  fCubicVolume = fDPhi*fDz*(Rmean*Rmean-rMean*rMean
267  +(deltaR*deltaR-deltar*deltar)/12);
268  }
269  return fCubicVolume;
270 }
271 
272 inline
273 G4double G4Cons::GetSurfaceArea()
274 {
275  if(fSurfaceArea != 0.) {;}
276  else
277  {
278  G4double mmin, mmax, dmin, dmax;
279 
280  mmin= (fRmin1+fRmin2)*0.5;
281  mmax= (fRmax1+fRmax2)*0.5;
282  dmin= (fRmin2-fRmin1);
283  dmax= (fRmax2-fRmax1);
284 
285  fSurfaceArea = fDPhi*( mmin * std::sqrt(dmin*dmin+4*fDz*fDz)
286  + mmax * std::sqrt(dmax*dmax+4*fDz*fDz)
287  + 0.5*(fRmax1*fRmax1-fRmin1*fRmin1
288  +fRmax2*fRmax2-fRmin2*fRmin2 ));
289  if(!fPhiFullCone)
290  {
291  fSurfaceArea = fSurfaceArea+4*fDz*(mmax-mmin);
292  }
293  }
294  return fSurfaceArea;
295 }