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1 // 1 //
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24 // ******************************************* 24 // ********************************************************************
25 // 25 //
>> 26 //
>> 27 // $Id: G4Tubs.icc,v 1.7 2006/10/19 15:33:37 gcosmo Exp $
>> 28 // GEANT4 tag $Name: geant4-09-01-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 << 69 void G4Tubs::SetInnerRadius (G4double newRMin)
61 { <<
62 return sinSPhi; <<
63 } <<
64 <<
65 inline <<
66 G4double G4Tubs::GetCosStartPhi () const <<
67 { 70 {
68 return cosSPhi; << 71 fRMin= newRMin;
>> 72 fCubicVolume= 0.;
>> 73 fSurfaceArea= 0.;
>> 74 fpPolyhedron = 0;
69 } 75 }
70 76
71 inline 77 inline
72 G4double G4Tubs::GetSinEndPhi () const << 78 void G4Tubs::SetOuterRadius (G4double newRMax)
73 { 79 {
74 return sinEPhi; << 80 fRMax= newRMax;
>> 81 fCubicVolume= 0.;
>> 82 fSurfaceArea= 0.;
>> 83 fpPolyhedron = 0;
75 } 84 }
76 85
77 inline 86 inline
78 G4double G4Tubs::GetCosEndPhi () const << 87 void G4Tubs::SetZHalfLength (G4double newDz)
79 { 88 {
80 return cosEPhi; << 89 fDz= newDz;
>> 90 fCubicVolume= 0.;
>> 91 fSurfaceArea= 0.;
>> 92 fpPolyhedron = 0;
81 } 93 }
82 94
83 inline 95 inline
84 void G4Tubs::Initialize() << 96 void G4Tubs::SetStartPhiAngle (G4double newSPhi)
85 { 97 {
86 fCubicVolume = 0.; << 98 fSPhi= newSPhi;
87 fSurfaceArea = 0.; << 99 fCubicVolume= 0.;
88 fInvRmax= 1.0 / fRMax; << 100 fSurfaceArea= 0.;
89 fInvRmin= fRMin > 0. ? 1.0 / fRMin : 0.0; << 101 fpPolyhedron = 0;
90 fRebuildPolyhedron = true; <<
91 } 102 }
92 103
93 inline 104 inline
94 void G4Tubs::InitializeTrigonometry() << 105 void G4Tubs::SetDeltaPhiAngle (G4double newDPhi)
95 { 106 {
96 G4double hDPhi = 0.5*fDPhi; << 107 fDPhi= newDPhi;
97 G4double cPhi = fSPhi + hDPhi; << 108 fCubicVolume= 0.;
98 G4double ePhi = fSPhi + fDPhi; << 109 fSurfaceArea= 0.;
99 << 110 fpPolyhedron = 0;
100 sinCPhi = std::sin(cPhi); <<
101 cosCPhi = std::cos(cPhi); <<
102 cosHDPhi = std::cos(hDPhi); <<
103 cosHDPhiIT = std::cos(hDPhi - 0.5*kAngTolera <<
104 cosHDPhiOT = std::cos(hDPhi + 0.5*kAngTolera <<
105 sinSPhi = std::sin(fSPhi); <<
106 cosSPhi = std::cos(fSPhi); <<
107 sinEPhi = std::sin(ePhi); <<
108 cosEPhi = std::cos(ePhi); <<
109 } 111 }
110 112
111 inline void G4Tubs::CheckSPhiAngle(G4double sP << 113 // Older names for access functions
112 { <<
113 // Ensure fSphi in 0-2PI or -2PI-0 range if <<
114 <<
115 if ( sPhi < 0 ) <<
116 { <<
117 fSPhi = CLHEP::twopi - std::fmod(std::fabs <<
118 } <<
119 else <<
120 { <<
121 fSPhi = std::fmod(sPhi,CLHEP::twopi) ; <<
122 } <<
123 if ( fSPhi+fDPhi > CLHEP::twopi ) <<
124 { <<
125 fSPhi -= CLHEP::twopi ; <<
126 } <<
127 } <<
128 <<
129 inline void G4Tubs::CheckDPhiAngle(G4double dP <<
130 { <<
131 fPhiFullTube = true; <<
132 if ( dPhi >= CLHEP::twopi-kAngTolerance*0.5 <<
133 { <<
134 fDPhi=CLHEP::twopi; <<
135 fSPhi=0; <<
136 } <<
137 else <<
138 { <<
139 fPhiFullTube = false; <<
140 if ( dPhi > 0 ) <<
141 { <<
142 fDPhi = dPhi; <<
143 } <<
144 else <<
145 { <<
146 std::ostringstream message; <<
147 message << "Invalid dphi." << G4endl <<
148 << "Negative or zero delta-Phi ( <<
149 << GetName(); <<
150 G4Exception("G4Tubs::CheckDPhiAngle()", <<
151 FatalException, message); <<
152 } <<
153 } <<
154 } <<
155 <<
156 inline void G4Tubs::CheckPhiAngles(G4double sP <<
157 { <<
158 CheckDPhiAngle(dPhi); <<
159 if ( (fDPhi<CLHEP::twopi) && ((sPhi) != 0.0) <<
160 InitializeTrigonometry(); <<
161 } <<
162 114
163 inline 115 inline
164 void G4Tubs::SetInnerRadius (G4double newRMin) << 116 G4double G4Tubs::GetRMin () const
165 { 117 {
166 if ( newRMin < 0 ) // Check radii << 118 return GetInnerRadius();
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; <<
178 Initialize(); <<
179 } 119 }
180 120
181 inline 121 inline
182 void G4Tubs::SetOuterRadius (G4double newRMax) << 122 G4double G4Tubs::GetRMax () const
183 { 123 {
184 if ( newRMax <= 0 ) // Check radii << 124 return GetOuterRadius();
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; <<
196 Initialize(); <<
197 } 125 }
198 126
199 inline 127 inline
200 void G4Tubs::SetZHalfLength (G4double newDz) << 128 G4double G4Tubs::GetDz () const
201 { 129 {
202 if (newDz<=0) // Check z-len << 130 return GetZHalfLength() ;
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; <<
212 Initialize(); <<
213 } 131 }
214 132
215 inline 133 inline
216 void G4Tubs::SetStartPhiAngle (G4double newSPh << 134 G4double G4Tubs::GetSPhi () const
217 { 135 {
218 // Flag 'compute' can be used to explicitely << 136 return GetStartPhiAngle();
219 // trigonometry in case SetDeltaPhiAngle() i <<
220 <<
221 CheckSPhiAngle(newSPhi); <<
222 fPhiFullTube = false; <<
223 if (compute) { InitializeTrigonometry(); } <<
224 Initialize(); <<
225 } 137 }
226 138
227 inline 139 inline
228 void G4Tubs::SetDeltaPhiAngle (G4double newDPh << 140 G4double G4Tubs::GetDPhi () const
229 { 141 {
230 CheckPhiAngles(fSPhi, newDPhi); << 142 return GetDeltaPhiAngle();
231 Initialize(); <<
232 } 143 }
233 144
234 inline 145 inline
235 G4double G4Tubs::GetCubicVolume() 146 G4double G4Tubs::GetCubicVolume()
236 { 147 {
237 if(fCubicVolume != 0.) {;} 148 if(fCubicVolume != 0.) {;}
238 else { fCubicVolume = fDPhi*fDz*(fRMax*fRM 149 else { fCubicVolume = fDPhi*fDz*(fRMax*fRMax-fRMin*fRMin); }
239 return fCubicVolume; 150 return fCubicVolume;
240 } 151 }
241 152
242 inline 153 inline
243 G4double G4Tubs::GetSurfaceArea() 154 G4double G4Tubs::GetSurfaceArea()
244 { 155 {
245 if(fSurfaceArea != 0.) {;} 156 if(fSurfaceArea != 0.) {;}
246 else 157 else
247 { 158 {
248 fSurfaceArea = fDPhi*(fRMin+fRMax)*(2*fDz+ 159 fSurfaceArea = fDPhi*(fRMin+fRMax)*(2*fDz+fRMax-fRMin);
249 if (!fPhiFullTube) << 160 if (fDPhi < twopi)
250 { 161 {
251 fSurfaceArea = fSurfaceArea + 4*fDz*(fRM 162 fSurfaceArea = fSurfaceArea + 4*fDz*(fRMax-fRMin);
252 } 163 }
253 } 164 }
254 return fSurfaceArea; 165 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 } 166 }
267 167