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24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // Implementation of inline methods of G4Tubs 26 // Implementation of inline methods of G4Tubs
27 // ------------------------------------------- 27 // --------------------------------------------------------------------
28 28
29 inline 29 inline
30 G4double G4Tubs::GetInnerRadius () const 30 G4double G4Tubs::GetInnerRadius () const
31 { 31 {
32 return fRMin; 32 return fRMin;
33 } 33 }
34 34
35 inline 35 inline
36 G4double G4Tubs::GetOuterRadius () const 36 G4double G4Tubs::GetOuterRadius () const
37 { 37 {
38 return fRMax; 38 return fRMax;
39 } 39 }
40 40
41 inline 41 inline
42 G4double G4Tubs::GetZHalfLength () const 42 G4double G4Tubs::GetZHalfLength () const
43 { 43 {
44 return fDz; 44 return fDz;
45 } 45 }
46 46
47 inline 47 inline
48 G4double G4Tubs::GetStartPhiAngle () const 48 G4double G4Tubs::GetStartPhiAngle () const
49 { 49 {
50 return fSPhi; 50 return fSPhi;
51 } 51 }
52 52
53 inline 53 inline
54 G4double G4Tubs::GetDeltaPhiAngle () const 54 G4double G4Tubs::GetDeltaPhiAngle () const
55 { 55 {
56 return fDPhi; 56 return fDPhi;
57 } 57 }
58 58
59 inline 59 inline
60 G4double G4Tubs::GetSinStartPhi () const 60 G4double G4Tubs::GetSinStartPhi () const
61 { 61 {
62 return sinSPhi; 62 return sinSPhi;
63 } 63 }
64 64
65 inline 65 inline
66 G4double G4Tubs::GetCosStartPhi () const 66 G4double G4Tubs::GetCosStartPhi () const
67 { 67 {
68 return cosSPhi; 68 return cosSPhi;
69 } 69 }
70 70
71 inline 71 inline
72 G4double G4Tubs::GetSinEndPhi () const 72 G4double G4Tubs::GetSinEndPhi () const
73 { 73 {
74 return sinEPhi; 74 return sinEPhi;
75 } 75 }
76 76
77 inline 77 inline
78 G4double G4Tubs::GetCosEndPhi () const 78 G4double G4Tubs::GetCosEndPhi () const
79 { 79 {
80 return cosEPhi; 80 return cosEPhi;
81 } 81 }
82 82
83 inline 83 inline
84 void G4Tubs::Initialize() 84 void G4Tubs::Initialize()
85 { 85 {
86 fCubicVolume = 0.; 86 fCubicVolume = 0.;
87 fSurfaceArea = 0.; 87 fSurfaceArea = 0.;
88 fInvRmax= 1.0 / fRMax; 88 fInvRmax= 1.0 / fRMax;
89 fInvRmin= fRMin > 0. ? 1.0 / fRMin : 0.0; 89 fInvRmin= fRMin > 0. ? 1.0 / fRMin : 0.0;
90 fRebuildPolyhedron = true; 90 fRebuildPolyhedron = true;
91 } 91 }
92 92
93 inline 93 inline
94 void G4Tubs::InitializeTrigonometry() 94 void G4Tubs::InitializeTrigonometry()
95 { 95 {
96 G4double hDPhi = 0.5*fDPhi; 96 G4double hDPhi = 0.5*fDPhi; // half delta phi
97 G4double cPhi = fSPhi + hDPhi; 97 G4double cPhi = fSPhi + hDPhi;
98 G4double ePhi = fSPhi + fDPhi; 98 G4double ePhi = fSPhi + fDPhi;
99 99
100 sinCPhi = std::sin(cPhi); 100 sinCPhi = std::sin(cPhi);
101 cosCPhi = std::cos(cPhi); 101 cosCPhi = std::cos(cPhi);
102 cosHDPhi = std::cos(hDPhi); 102 cosHDPhi = std::cos(hDPhi);
103 cosHDPhiIT = std::cos(hDPhi - 0.5*kAngTolera 103 cosHDPhiIT = std::cos(hDPhi - 0.5*kAngTolerance); // inner/outer tol half dphi
104 cosHDPhiOT = std::cos(hDPhi + 0.5*kAngTolera 104 cosHDPhiOT = std::cos(hDPhi + 0.5*kAngTolerance);
105 sinSPhi = std::sin(fSPhi); 105 sinSPhi = std::sin(fSPhi);
106 cosSPhi = std::cos(fSPhi); 106 cosSPhi = std::cos(fSPhi);
107 sinEPhi = std::sin(ePhi); 107 sinEPhi = std::sin(ePhi);
108 cosEPhi = std::cos(ePhi); 108 cosEPhi = std::cos(ePhi);
109 } 109 }
110 110
111 inline void G4Tubs::CheckSPhiAngle(G4double sP 111 inline void G4Tubs::CheckSPhiAngle(G4double sPhi)
112 { 112 {
113 // Ensure fSphi in 0-2PI or -2PI-0 range if 113 // Ensure fSphi in 0-2PI or -2PI-0 range if shape crosses 0
114 114
115 if ( sPhi < 0 ) 115 if ( sPhi < 0 )
116 { 116 {
117 fSPhi = CLHEP::twopi - std::fmod(std::fabs 117 fSPhi = CLHEP::twopi - std::fmod(std::fabs(sPhi),CLHEP::twopi);
118 } 118 }
119 else 119 else
120 { 120 {
121 fSPhi = std::fmod(sPhi,CLHEP::twopi) ; 121 fSPhi = std::fmod(sPhi,CLHEP::twopi) ;
122 } 122 }
123 if ( fSPhi+fDPhi > CLHEP::twopi ) 123 if ( fSPhi+fDPhi > CLHEP::twopi )
124 { 124 {
125 fSPhi -= CLHEP::twopi ; 125 fSPhi -= CLHEP::twopi ;
126 } 126 }
127 } 127 }
128 128
129 inline void G4Tubs::CheckDPhiAngle(G4double dP 129 inline void G4Tubs::CheckDPhiAngle(G4double dPhi)
130 { 130 {
131 fPhiFullTube = true; 131 fPhiFullTube = true;
132 if ( dPhi >= CLHEP::twopi-kAngTolerance*0.5 132 if ( dPhi >= CLHEP::twopi-kAngTolerance*0.5 )
133 { 133 {
134 fDPhi=CLHEP::twopi; 134 fDPhi=CLHEP::twopi;
135 fSPhi=0; 135 fSPhi=0;
136 } 136 }
137 else 137 else
138 { 138 {
139 fPhiFullTube = false; 139 fPhiFullTube = false;
140 if ( dPhi > 0 ) 140 if ( dPhi > 0 )
141 { 141 {
142 fDPhi = dPhi; 142 fDPhi = dPhi;
143 } 143 }
144 else 144 else
145 { 145 {
146 std::ostringstream message; 146 std::ostringstream message;
147 message << "Invalid dphi." << G4endl 147 message << "Invalid dphi." << G4endl
148 << "Negative or zero delta-Phi ( 148 << "Negative or zero delta-Phi (" << dPhi << "), for solid: "
149 << GetName(); 149 << GetName();
150 G4Exception("G4Tubs::CheckDPhiAngle()", 150 G4Exception("G4Tubs::CheckDPhiAngle()", "GeomSolids0002",
151 FatalException, message); 151 FatalException, message);
152 } 152 }
153 } 153 }
154 } 154 }
155 155
156 inline void G4Tubs::CheckPhiAngles(G4double sP 156 inline void G4Tubs::CheckPhiAngles(G4double sPhi, G4double dPhi)
157 { 157 {
158 CheckDPhiAngle(dPhi); 158 CheckDPhiAngle(dPhi);
159 if ( (fDPhi<CLHEP::twopi) && ((sPhi) != 0.0) << 159 if ( (fDPhi<CLHEP::twopi) && (sPhi) ) { CheckSPhiAngle(sPhi); }
160 InitializeTrigonometry(); 160 InitializeTrigonometry();
161 } 161 }
162 162
163 inline 163 inline
164 void G4Tubs::SetInnerRadius (G4double newRMin) 164 void G4Tubs::SetInnerRadius (G4double newRMin)
165 { 165 {
166 if ( newRMin < 0 ) // Check radii 166 if ( newRMin < 0 ) // Check radii
167 { 167 {
168 std::ostringstream message; 168 std::ostringstream message;
169 message << "Invalid radii." << G4endl 169 message << "Invalid radii." << G4endl
170 << "Invalid values for radii in so 170 << "Invalid values for radii in solid " << GetName() << G4endl
171 << " newRMin = " << newRMin 171 << " newRMin = " << newRMin
172 << ", fRMax = " << fRMax << G4endl 172 << ", fRMax = " << fRMax << G4endl
173 << " Negative inner radius! 173 << " Negative inner radius!";
174 G4Exception("G4Tubs::SetInnerRadius()", "G 174 G4Exception("G4Tubs::SetInnerRadius()", "GeomSolids0002",
175 FatalException, message); 175 FatalException, message);
176 } 176 }
177 fRMin= newRMin; 177 fRMin= newRMin;
178 Initialize(); 178 Initialize();
179 } 179 }
180 180
181 inline 181 inline
182 void G4Tubs::SetOuterRadius (G4double newRMax) 182 void G4Tubs::SetOuterRadius (G4double newRMax)
183 { 183 {
184 if ( newRMax <= 0 ) // Check radii 184 if ( newRMax <= 0 ) // Check radii
185 { 185 {
186 std::ostringstream message; 186 std::ostringstream message;
187 message << "Invalid radii." << G4endl 187 message << "Invalid radii." << G4endl
188 << "Invalid values for radii in so 188 << "Invalid values for radii in solid " << GetName() << G4endl
189 << " fRMin = " << fRMin 189 << " fRMin = " << fRMin
190 << ", newRMax = " << newRMax << G4 190 << ", newRMax = " << newRMax << G4endl
191 << " Invalid outer radius!" 191 << " Invalid outer radius!";
192 G4Exception("G4Tubs::SetOuterRadius()", "G 192 G4Exception("G4Tubs::SetOuterRadius()", "GeomSolids0002",
193 FatalException, message); 193 FatalException, message);
194 } 194 }
195 fRMax= newRMax; 195 fRMax= newRMax;
196 Initialize(); 196 Initialize();
197 } 197 }
198 198
199 inline 199 inline
200 void G4Tubs::SetZHalfLength (G4double newDz) 200 void G4Tubs::SetZHalfLength (G4double newDz)
201 { 201 {
202 if (newDz<=0) // Check z-len 202 if (newDz<=0) // Check z-len
203 { 203 {
204 std::ostringstream message; 204 std::ostringstream message;
205 message << "Invalid Z half-length." << G4e 205 message << "Invalid Z half-length." << G4endl
206 << "Negative Z half-length (" << n 206 << "Negative Z half-length (" << newDz << "), for solid: "
207 << GetName(); 207 << GetName();
208 G4Exception("G4Tubs::SetZHalfLength()", "G 208 G4Exception("G4Tubs::SetZHalfLength()", "GeomSolids0002",
209 FatalException, message); 209 FatalException, message);
210 } 210 }
211 fDz= newDz; 211 fDz= newDz;
212 Initialize(); 212 Initialize();
213 } 213 }
214 214
215 inline 215 inline
216 void G4Tubs::SetStartPhiAngle (G4double newSPh 216 void G4Tubs::SetStartPhiAngle (G4double newSPhi, G4bool compute)
217 { 217 {
218 // Flag 'compute' can be used to explicitely 218 // Flag 'compute' can be used to explicitely avoid recomputation of
219 // trigonometry in case SetDeltaPhiAngle() i 219 // trigonometry in case SetDeltaPhiAngle() is invoked afterwards
220 220
221 CheckSPhiAngle(newSPhi); 221 CheckSPhiAngle(newSPhi);
222 fPhiFullTube = false; 222 fPhiFullTube = false;
223 if (compute) { InitializeTrigonometry(); } 223 if (compute) { InitializeTrigonometry(); }
224 Initialize(); 224 Initialize();
225 } 225 }
226 226
227 inline 227 inline
228 void G4Tubs::SetDeltaPhiAngle (G4double newDPh 228 void G4Tubs::SetDeltaPhiAngle (G4double newDPhi)
229 { 229 {
230 CheckPhiAngles(fSPhi, newDPhi); 230 CheckPhiAngles(fSPhi, newDPhi);
231 Initialize(); 231 Initialize();
232 } 232 }
233 233
234 inline 234 inline
235 G4double G4Tubs::GetCubicVolume() 235 G4double G4Tubs::GetCubicVolume()
236 { 236 {
237 if(fCubicVolume != 0.) {;} 237 if(fCubicVolume != 0.) {;}
238 else { fCubicVolume = fDPhi*fDz*(fRMax*fRM 238 else { fCubicVolume = fDPhi*fDz*(fRMax*fRMax-fRMin*fRMin); }
239 return fCubicVolume; 239 return fCubicVolume;
240 } 240 }
241 241
242 inline 242 inline
243 G4double G4Tubs::GetSurfaceArea() 243 G4double G4Tubs::GetSurfaceArea()
244 { 244 {
245 if(fSurfaceArea != 0.) {;} 245 if(fSurfaceArea != 0.) {;}
246 else 246 else
247 { 247 {
248 fSurfaceArea = fDPhi*(fRMin+fRMax)*(2*fDz+ 248 fSurfaceArea = fDPhi*(fRMin+fRMax)*(2*fDz+fRMax-fRMin);
249 if (!fPhiFullTube) 249 if (!fPhiFullTube)
250 { 250 {
251 fSurfaceArea = fSurfaceArea + 4*fDz*(fRM 251 fSurfaceArea = fSurfaceArea + 4*fDz*(fRMax-fRMin);
252 } 252 }
253 } 253 }
254 return fSurfaceArea; 254 return fSurfaceArea;
255 } 255 }
256 256
257 inline 257 inline
258 G4double G4Tubs::FastInverseRxy( const G4Three 258 G4double G4Tubs::FastInverseRxy( const G4ThreeVector& pos,
259 G4doubl 259 G4double invRad,
260 G4doubl 260 G4double tolerance ) const
261 { 261 {
262 G4double rho2 = sqr( pos.x() ) + sqr( pos.y( 262 G4double rho2 = sqr( pos.x() ) + sqr( pos.y() );
263 G4bool onSurface = std::fabs( rho2 * invRad 263 G4bool onSurface = std::fabs( rho2 * invRad * invRad - 1.0 ) < tolerance;
264 G4double invRho = onSurface ? invRad : 1.0 / 264 G4double invRho = onSurface ? invRad : 1.0 / std::sqrt(rho2);
265 return invRho; 265 return invRho;
266 } 266 }
267 267