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24 // ******************************************* 24 // ********************************************************************
25 // 25 //
>> 26 //
>> 27 // $Id: G4Tubs.icc,v 1.14 2009/06/09 16:08:23 gcosmo Exp $
>> 28 // GEANT4 tag $Name: geant4-09-03-patch-02 $
>> 29 //
>> 30 // --------------------------------------------------------------------
>> 31 // GEANT 4 inline definitions file
>> 32 //
>> 33 // G4Tubs.icc
>> 34 //
26 // Implementation of inline methods of G4Tubs 35 // Implementation of inline methods of G4Tubs
27 // ------------------------------------------- 36 // --------------------------------------------------------------------
28 37
29 inline 38 inline
30 G4double G4Tubs::GetInnerRadius () const 39 G4double G4Tubs::GetInnerRadius () const
31 { 40 {
32 return fRMin; 41 return fRMin;
33 } 42 }
34 43
35 inline 44 inline
36 G4double G4Tubs::GetOuterRadius () const 45 G4double G4Tubs::GetOuterRadius () const
37 { 46 {
38 return fRMax; 47 return fRMax;
39 } 48 }
40 49
41 inline 50 inline
42 G4double G4Tubs::GetZHalfLength () const 51 G4double G4Tubs::GetZHalfLength () const
43 { 52 {
44 return fDz; 53 return fDz;
45 } 54 }
46 55
47 inline 56 inline
48 G4double G4Tubs::GetStartPhiAngle () const 57 G4double G4Tubs::GetStartPhiAngle () const
49 { 58 {
50 return fSPhi; 59 return fSPhi;
51 } 60 }
52 61
53 inline 62 inline
54 G4double G4Tubs::GetDeltaPhiAngle () const 63 G4double G4Tubs::GetDeltaPhiAngle () const
55 { 64 {
56 return fDPhi; 65 return fDPhi;
57 } 66 }
58 67
59 inline << 68 inline
60 G4double G4Tubs::GetSinStartPhi () const <<
61 { <<
62 return sinSPhi; <<
63 } <<
64 <<
65 inline <<
66 G4double G4Tubs::GetCosStartPhi () const <<
67 { <<
68 return cosSPhi; <<
69 } <<
70 <<
71 inline <<
72 G4double G4Tubs::GetSinEndPhi () const <<
73 { <<
74 return sinEPhi; <<
75 } <<
76 <<
77 inline <<
78 G4double G4Tubs::GetCosEndPhi () const <<
79 { <<
80 return cosEPhi; <<
81 } <<
82 <<
83 inline <<
84 void G4Tubs::Initialize() 69 void G4Tubs::Initialize()
85 { 70 {
86 fCubicVolume = 0.; 71 fCubicVolume = 0.;
87 fSurfaceArea = 0.; 72 fSurfaceArea = 0.;
88 fInvRmax= 1.0 / fRMax; << 73 fpPolyhedron = 0;
89 fInvRmin= fRMin > 0. ? 1.0 / fRMin : 0.0; <<
90 fRebuildPolyhedron = true; <<
91 } 74 }
92 75
93 inline << 76 inline
94 void G4Tubs::InitializeTrigonometry() 77 void G4Tubs::InitializeTrigonometry()
95 { 78 {
96 G4double hDPhi = 0.5*fDPhi; 79 G4double hDPhi = 0.5*fDPhi; // half delta phi
97 G4double cPhi = fSPhi + hDPhi; << 80 G4double cPhi = fSPhi + hDPhi;
98 G4double ePhi = fSPhi + fDPhi; 81 G4double ePhi = fSPhi + fDPhi;
99 82
100 sinCPhi = std::sin(cPhi); 83 sinCPhi = std::sin(cPhi);
101 cosCPhi = std::cos(cPhi); 84 cosCPhi = std::cos(cPhi);
102 cosHDPhi = std::cos(hDPhi); <<
103 cosHDPhiIT = std::cos(hDPhi - 0.5*kAngTolera 85 cosHDPhiIT = std::cos(hDPhi - 0.5*kAngTolerance); // inner/outer tol half dphi
104 cosHDPhiOT = std::cos(hDPhi + 0.5*kAngTolera 86 cosHDPhiOT = std::cos(hDPhi + 0.5*kAngTolerance);
105 sinSPhi = std::sin(fSPhi); 87 sinSPhi = std::sin(fSPhi);
106 cosSPhi = std::cos(fSPhi); 88 cosSPhi = std::cos(fSPhi);
107 sinEPhi = std::sin(ePhi); 89 sinEPhi = std::sin(ePhi);
108 cosEPhi = std::cos(ePhi); 90 cosEPhi = std::cos(ePhi);
109 } 91 }
110 92
111 inline void G4Tubs::CheckSPhiAngle(G4double sP 93 inline void G4Tubs::CheckSPhiAngle(G4double sPhi)
112 { 94 {
113 // Ensure fSphi in 0-2PI or -2PI-0 range if 95 // Ensure fSphi in 0-2PI or -2PI-0 range if shape crosses 0
114 96
115 if ( sPhi < 0 ) 97 if ( sPhi < 0 )
116 { 98 {
117 fSPhi = CLHEP::twopi - std::fmod(std::fabs << 99 fSPhi = twopi - std::fmod(std::fabs(sPhi),twopi);
118 } 100 }
119 else 101 else
120 { 102 {
121 fSPhi = std::fmod(sPhi,CLHEP::twopi) ; << 103 fSPhi = std::fmod(sPhi,twopi) ;
122 } 104 }
123 if ( fSPhi+fDPhi > CLHEP::twopi ) << 105 if ( fSPhi+fDPhi > twopi )
124 { 106 {
125 fSPhi -= CLHEP::twopi ; << 107 fSPhi -= twopi ;
126 } 108 }
127 } 109 }
128 110
129 inline void G4Tubs::CheckDPhiAngle(G4double dP 111 inline void G4Tubs::CheckDPhiAngle(G4double dPhi)
130 { 112 {
131 fPhiFullTube = true; 113 fPhiFullTube = true;
132 if ( dPhi >= CLHEP::twopi-kAngTolerance*0.5 << 114 if ( dPhi >= twopi-kAngTolerance*0.5 )
133 { 115 {
134 fDPhi=CLHEP::twopi; << 116 fDPhi=twopi;
135 fSPhi=0; 117 fSPhi=0;
136 } 118 }
137 else 119 else
138 { 120 {
139 fPhiFullTube = false; 121 fPhiFullTube = false;
140 if ( dPhi > 0 ) 122 if ( dPhi > 0 )
141 { 123 {
142 fDPhi = dPhi; 124 fDPhi = dPhi;
143 } 125 }
144 else 126 else
145 { 127 {
146 std::ostringstream message; << 128 G4cerr << "ERROR - G4Tubs()::CheckDPhiAngle()" << G4endl
147 message << "Invalid dphi." << G4endl << 129 << " Negative or zero delta-Phi (" << dPhi << ") in solid: "
148 << "Negative or zero delta-Phi ( << 130 << GetName() << G4endl;
149 << GetName(); << 131 G4Exception("G4Tubs::CheckDPhiAngle()", "InvalidSetup",
150 G4Exception("G4Tubs::CheckDPhiAngle()", << 132 FatalException, "Invalid dphi.");
151 FatalException, message); <<
152 } 133 }
153 } 134 }
154 } 135 }
155 136
156 inline void G4Tubs::CheckPhiAngles(G4double sP 137 inline void G4Tubs::CheckPhiAngles(G4double sPhi, G4double dPhi)
157 { 138 {
158 CheckDPhiAngle(dPhi); 139 CheckDPhiAngle(dPhi);
159 if ( (fDPhi<CLHEP::twopi) && ((sPhi) != 0.0) << 140 if ( (fDPhi<twopi) && (sPhi) ) { CheckSPhiAngle(sPhi); }
160 InitializeTrigonometry(); 141 InitializeTrigonometry();
161 } 142 }
162 143
163 inline 144 inline
164 void G4Tubs::SetInnerRadius (G4double newRMin) 145 void G4Tubs::SetInnerRadius (G4double newRMin)
165 { 146 {
166 if ( newRMin < 0 ) // Check radii <<
167 { <<
168 std::ostringstream message; <<
169 message << "Invalid radii." << G4endl <<
170 << "Invalid values for radii in so <<
171 << " newRMin = " << newRMin <<
172 << ", fRMax = " << fRMax << G4endl <<
173 << " Negative inner radius! <<
174 G4Exception("G4Tubs::SetInnerRadius()", "G <<
175 FatalException, message); <<
176 } <<
177 fRMin= newRMin; 147 fRMin= newRMin;
178 Initialize(); 148 Initialize();
179 } 149 }
180 150
181 inline 151 inline
182 void G4Tubs::SetOuterRadius (G4double newRMax) 152 void G4Tubs::SetOuterRadius (G4double newRMax)
183 { 153 {
184 if ( newRMax <= 0 ) // Check radii <<
185 { <<
186 std::ostringstream message; <<
187 message << "Invalid radii." << G4endl <<
188 << "Invalid values for radii in so <<
189 << " fRMin = " << fRMin <<
190 << ", newRMax = " << newRMax << G4 <<
191 << " Invalid outer radius!" <<
192 G4Exception("G4Tubs::SetOuterRadius()", "G <<
193 FatalException, message); <<
194 } <<
195 fRMax= newRMax; 154 fRMax= newRMax;
196 Initialize(); 155 Initialize();
197 } 156 }
198 157
199 inline 158 inline
200 void G4Tubs::SetZHalfLength (G4double newDz) 159 void G4Tubs::SetZHalfLength (G4double newDz)
201 { 160 {
202 if (newDz<=0) // Check z-len <<
203 { <<
204 std::ostringstream message; <<
205 message << "Invalid Z half-length." << G4e <<
206 << "Negative Z half-length (" << n <<
207 << GetName(); <<
208 G4Exception("G4Tubs::SetZHalfLength()", "G <<
209 FatalException, message); <<
210 } <<
211 fDz= newDz; 161 fDz= newDz;
212 Initialize(); 162 Initialize();
213 } 163 }
214 164
215 inline 165 inline
216 void G4Tubs::SetStartPhiAngle (G4double newSPh 166 void G4Tubs::SetStartPhiAngle (G4double newSPhi, G4bool compute)
217 { 167 {
218 // Flag 'compute' can be used to explicitely 168 // Flag 'compute' can be used to explicitely avoid recomputation of
219 // trigonometry in case SetDeltaPhiAngle() i 169 // trigonometry in case SetDeltaPhiAngle() is invoked afterwards
220 170
221 CheckSPhiAngle(newSPhi); 171 CheckSPhiAngle(newSPhi);
222 fPhiFullTube = false; 172 fPhiFullTube = false;
223 if (compute) { InitializeTrigonometry(); } 173 if (compute) { InitializeTrigonometry(); }
224 Initialize(); 174 Initialize();
225 } 175 }
226 176
227 inline 177 inline
228 void G4Tubs::SetDeltaPhiAngle (G4double newDPh 178 void G4Tubs::SetDeltaPhiAngle (G4double newDPhi)
229 { 179 {
230 CheckPhiAngles(fSPhi, newDPhi); 180 CheckPhiAngles(fSPhi, newDPhi);
231 Initialize(); 181 Initialize();
232 } 182 }
233 183
>> 184 // Older names for access functions
>> 185
>> 186 inline
>> 187 G4double G4Tubs::GetRMin () const
>> 188 {
>> 189 return GetInnerRadius();
>> 190 }
>> 191
>> 192 inline
>> 193 G4double G4Tubs::GetRMax () const
>> 194 {
>> 195 return GetOuterRadius();
>> 196 }
>> 197
>> 198 inline
>> 199 G4double G4Tubs::GetDz () const
>> 200 {
>> 201 return GetZHalfLength() ;
>> 202 }
>> 203
>> 204 inline
>> 205 G4double G4Tubs::GetSPhi () const
>> 206 {
>> 207 return GetStartPhiAngle();
>> 208 }
>> 209
>> 210 inline
>> 211 G4double G4Tubs::GetDPhi () const
>> 212 {
>> 213 return GetDeltaPhiAngle();
>> 214 }
>> 215
234 inline 216 inline
235 G4double G4Tubs::GetCubicVolume() 217 G4double G4Tubs::GetCubicVolume()
236 { 218 {
237 if(fCubicVolume != 0.) {;} 219 if(fCubicVolume != 0.) {;}
238 else { fCubicVolume = fDPhi*fDz*(fRMax*fRM 220 else { fCubicVolume = fDPhi*fDz*(fRMax*fRMax-fRMin*fRMin); }
239 return fCubicVolume; 221 return fCubicVolume;
240 } 222 }
241 223
242 inline 224 inline
243 G4double G4Tubs::GetSurfaceArea() 225 G4double G4Tubs::GetSurfaceArea()
244 { 226 {
245 if(fSurfaceArea != 0.) {;} 227 if(fSurfaceArea != 0.) {;}
246 else 228 else
247 { 229 {
248 fSurfaceArea = fDPhi*(fRMin+fRMax)*(2*fDz+ 230 fSurfaceArea = fDPhi*(fRMin+fRMax)*(2*fDz+fRMax-fRMin);
249 if (!fPhiFullTube) 231 if (!fPhiFullTube)
250 { 232 {
251 fSurfaceArea = fSurfaceArea + 4*fDz*(fRM 233 fSurfaceArea = fSurfaceArea + 4*fDz*(fRMax-fRMin);
252 } 234 }
253 } 235 }
254 return fSurfaceArea; 236 return fSurfaceArea;
255 } <<
256 <<
257 inline <<
258 G4double G4Tubs::FastInverseRxy( const G4Three <<
259 G4doubl <<
260 G4doubl <<
261 { <<
262 G4double rho2 = sqr( pos.x() ) + sqr( pos.y( <<
263 G4bool onSurface = std::fabs( rho2 * invRad <<
264 G4double invRho = onSurface ? invRad : 1.0 / <<
265 return invRho; <<
266 } 237 }
267 238