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a9e2aefa | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
88cb7938 | 16 | /* $Id$ */ |
a9e2aefa | 17 | |
3831f268 | 18 | /////////////////////////////////////////////////////////// |
a9e2aefa | 19 | // |
3831f268 | 20 | // Segment for reconstruction |
21 | // in | |
22 | // ALICE | |
23 | // dimuon | |
24 | // spectrometer: | |
a9e2aefa | 25 | // two hits for reconstruction in the two chambers of one station |
3831f268 | 26 | // |
27 | /////////////////////////////////////////////////////////// | |
a9e2aefa | 28 | |
30178c30 | 29 | #include "AliMUONSegment.h" |
a9e2aefa | 30 | #include "AliMUON.h" |
31 | #include "AliMUONHitForRec.h" | |
32 | #include "AliMUONTrackParam.h" | |
3831f268 | 33 | #include "AliRun.h" // for gAlice |
8c343c7c | 34 | #include "AliLog.h" |
a9e2aefa | 35 | |
36 | ClassImp(AliMUONSegment) // Class implementation in ROOT context | |
37 | ||
762647ff | 38 | //__________________________________________________________________________ |
39 | AliMUONSegment::AliMUONSegment() | |
30178c30 | 40 | : TObject() |
762647ff | 41 | { |
42 | // Default constructor | |
43 | fHitForRecPtr1 = 0; // pointer to HitForRec in first chamber | |
44 | fHitForRecPtr2 = 0; // pointer to HitForRec in second chamber | |
45 | // Bending plane: | |
46 | fBendingCoor = 0.0; // Coordinate in bending plane | |
47 | fBendingSlope = 0.0; // Slope in bending plane | |
48 | // Covariance in bending plane: | |
49 | fBendingCoorReso2 = 0.0; // Covariance(coordinate C1 in first chamber) | |
50 | fBendingSlopeReso2 = 0.0; // Covariance(slope) | |
51 | fBendingCoorSlopeReso2 = 0.0; // Covariance(C1,slope) | |
52 | fBendingImpact = 0.0; // Impact parameter in bending plane | |
53 | // Non Bending plane: | |
54 | fNonBendingCoor = 0.0; // Coordinate in non bending plane | |
55 | fNonBendingSlope = 0.0; // Slope in non bending plane | |
56 | // Covariance in non bending plane: | |
57 | fNonBendingCoorReso2 = 0.0; // Covariance(coordinate C1 in first chamber) | |
58 | fNonBendingSlopeReso2 = 0.0; // Covariance(slope) | |
59 | fNonBendingCoorSlopeReso2 = 0.0; // Covariance(C1,slope) | |
e516b01d | 60 | fZ = 0.0; // z in first plane |
762647ff | 61 | fNonBendingImpact = 0.0; // Impact parameter in non bending plane |
62 | fInTrack = kFALSE; // TRUE if segment belongs to one track | |
63 | } | |
64 | ||
a9e2aefa | 65 | //__________________________________________________________________________ |
66 | AliMUONSegment::AliMUONSegment(AliMUONHitForRec* Hit1, AliMUONHitForRec* Hit2) | |
30178c30 | 67 | : TObject() |
a9e2aefa | 68 | { |
69 | // Constructor for AliMUONSegment from two HitForRec's, | |
70 | // one, in the first chamber of the station, pointed to by "Hit1", | |
71 | // the other one, in the second chamber of the station, pointed to by "Hit1". | |
72 | // Fills the pointers to both hits, | |
73 | // the slope, the covariance for (coordinate in first chamber, slope), | |
74 | // and the impact parameter at vertex (Z=0), | |
75 | // in bending and non bending planes. | |
76 | // Puts the "fInTrack" flag to "kFALSE". | |
77 | Double_t dz; | |
78 | // pointers to HitForRec's | |
79 | fHitForRecPtr1 = Hit1; | |
80 | fHitForRecPtr2 = Hit2; | |
81 | dz = Hit1->GetZ() - Hit2->GetZ(); | |
e516b01d | 82 | fZ = Hit1->GetZ(); |
a9e2aefa | 83 | // bending plane |
84 | fBendingCoor = Hit1->GetBendingCoor(); | |
85 | fBendingSlope = (fBendingCoor - Hit2->GetBendingCoor()) / dz; | |
86 | fBendingImpact = fBendingCoor - Hit1->GetZ() * fBendingSlope; | |
87 | fBendingCoorReso2 = Hit1->GetBendingReso2(); | |
88 | fBendingSlopeReso2 = ( Hit1->GetBendingReso2() + | |
89 | Hit2->GetBendingReso2() ) / dz / dz; | |
90 | fBendingCoorSlopeReso2 = Hit1->GetBendingReso2() / dz; | |
91 | // non bending plane | |
92 | fNonBendingCoor = Hit1->GetNonBendingCoor(); | |
93 | fNonBendingSlope = (fNonBendingCoor - Hit2->GetNonBendingCoor()) / dz; | |
94 | fNonBendingImpact = fNonBendingCoor - Hit1->GetZ() * fNonBendingSlope; | |
95 | fNonBendingCoorReso2 = Hit1->GetNonBendingReso2(); | |
96 | fNonBendingSlopeReso2 = ( Hit1->GetNonBendingReso2() + | |
97 | Hit2->GetNonBendingReso2() ) / dz / dz; | |
98 | fNonBendingCoorSlopeReso2 = Hit1->GetNonBendingReso2() / dz; | |
99 | // "fInTrack" flag to "kFALSE" | |
100 | fInTrack = kFALSE; | |
101 | return; | |
102 | } | |
103 | ||
30178c30 | 104 | AliMUONSegment::AliMUONSegment (const AliMUONSegment& theMUONSegment) |
105 | : TObject(theMUONSegment) | |
a9e2aefa | 106 | { |
30178c30 | 107 | // Protected copy constructor |
108 | ||
8c343c7c | 109 | AliFatal("Not implemented."); |
a9e2aefa | 110 | } |
111 | ||
30178c30 | 112 | AliMUONSegment & AliMUONSegment::operator=(const AliMUONSegment& rhs) |
a9e2aefa | 113 | { |
30178c30 | 114 | // Protected assignement operator |
115 | ||
116 | if (this == &rhs) return *this; | |
117 | ||
8c343c7c | 118 | AliFatal("Not implemented."); |
30178c30 | 119 | |
120 | return *this; | |
a9e2aefa | 121 | } |
122 | ||
a9e2aefa | 123 | //__________________________________________________________________________ |
2a941f4e | 124 | Int_t AliMUONSegment::Compare(const TObject* Segment) const |
a9e2aefa | 125 | { |
126 | // "Compare" function to sort with increasing absolute value | |
127 | // of the "impact parameter" in bending plane. | |
128 | // Returns -1 (0, +1) if |impact parameter| of current Segment | |
129 | // is smaller than (equal to, larger than) |impact parameter| of Segment | |
31817925 | 130 | if (TMath::Abs(((AliMUONSegment*)this)->fBendingImpact) |
131 | < TMath::Abs(((AliMUONSegment*)Segment)->fBendingImpact)) | |
a9e2aefa | 132 | return(-1); |
133 | // continuous parameter, hence no need for testing equal case | |
134 | else return(+1); | |
135 | } | |
136 | ||
137 | //__________________________________________________________________________ | |
30178c30 | 138 | Double_t AliMUONSegment::NormalizedChi2WithSegment(AliMUONSegment* Segment, Double_t Sigma2Cut) const |
a9e2aefa | 139 | { |
140 | // Calculate the normalized Chi2 between the current Segment (this) | |
141 | // and the Segment pointed to by "Segment", | |
142 | // i.e. the square deviations between the coordinates and the slopes, | |
143 | // in both the bending and the non bending plane, | |
144 | // divided by the variance of the same quantities and by "Sigma2Cut". | |
145 | // Returns 5 if none of the 4 quantities is OK, | |
146 | // something smaller than or equal to 4 otherwise. | |
147 | // Would it be more correct to use a real chi square | |
148 | // including the non diagonal term ???? | |
149 | Double_t chi2, chi2Max, diff, normDiff; | |
150 | chi2 = 0.0; | |
151 | chi2Max = 5.0; | |
152 | // coordinate in bending plane | |
153 | diff = this->fBendingCoor - Segment->fBendingCoor; | |
154 | normDiff = diff * diff / | |
155 | (this->fBendingCoorReso2 + Segment->fBendingCoorReso2) / Sigma2Cut; | |
156 | if (normDiff > 1.0) return chi2Max; | |
157 | chi2 = chi2 + normDiff; | |
158 | // slope in bending plane | |
159 | diff = this->fBendingSlope - Segment->fBendingSlope; | |
160 | normDiff = diff * diff / | |
161 | (this->fBendingSlopeReso2 + Segment->fBendingSlopeReso2) / Sigma2Cut; | |
162 | if (normDiff > 1.0) return chi2Max; | |
163 | chi2 = chi2 + normDiff; | |
164 | // coordinate in non bending plane | |
165 | diff = this->fNonBendingCoor - Segment->fNonBendingCoor; | |
166 | normDiff = diff * diff / | |
167 | (this->fNonBendingCoorReso2 + Segment->fNonBendingCoorReso2) / Sigma2Cut; | |
168 | if (normDiff > 1.0) return chi2Max; | |
169 | chi2 = chi2 + normDiff; | |
170 | // slope in non bending plane | |
171 | diff = this->fNonBendingSlope - Segment->fNonBendingSlope; | |
172 | normDiff = diff * diff / | |
173 | (this->fNonBendingSlopeReso2 + Segment->fNonBendingSlopeReso2) / Sigma2Cut; | |
174 | if (normDiff > 1.0) return chi2Max; | |
175 | chi2 = chi2 + normDiff; | |
176 | return chi2; | |
177 | } | |
178 | ||
179 | //__________________________________________________________________________ | |
e516b01d | 180 | AliMUONSegment* AliMUONSegment::CreateSegmentFromLinearExtrapToStation ( Double_t z, Double_t MCSfactor) const |
a9e2aefa | 181 | { |
182 | // Extrapolates linearly the current Segment (this) to station (0..) "Station". | |
183 | // Multiple Coulomb scattering calculated from "MCSfactor" | |
184 | // corresponding to one chamber, | |
185 | // with one chamber for the coordinate, two chambers for the angle, | |
186 | // due to the arrangement in stations. | |
187 | // Valid from station(1..) 4 to 5 or vice versa. | |
188 | // Returns the pointer to the created AliMUONSegment object | |
189 | // corresponding to this extrapolation. | |
190 | // The caller has the responsibility to delete this object. | |
191 | AliMUONSegment* extrapSegment = new AliMUONSegment(); // creates empty new segment | |
192 | // dZ from first hit of current Segment to first chamber of station "Station" | |
e516b01d | 193 | Double_t dZ = z - this->GetZ(); |
a9e2aefa | 194 | // Data in bending plane |
e516b01d | 195 | extrapSegment->fZ = z; |
a9e2aefa | 196 | // coordinate |
197 | extrapSegment->fBendingCoor = this->fBendingCoor + this->fBendingSlope * dZ; | |
198 | // slope | |
199 | extrapSegment->fBendingSlope = this->fBendingSlope; | |
200 | // covariance, including multiple Coulomb scattering over dZ due to one chamber | |
201 | extrapSegment->fBendingCoorReso2 = this->fBendingCoorReso2 + | |
202 | (this->fBendingSlopeReso2 + MCSfactor) * dZ * dZ; // missing non diagonal term: "2.0 * this->fBendingCoorSlopeReso2 * dZ" !!!! | |
203 | extrapSegment->fBendingSlopeReso2 = this->fBendingSlopeReso2 + 2.0 * MCSfactor; | |
204 | extrapSegment->fBendingCoorSlopeReso2 = | |
205 | this->fBendingCoorSlopeReso2 + this->fBendingSlopeReso2 * dZ; // missing: contribution from multiple Coulomb scattering !!!! | |
206 | // Data in non bending plane | |
207 | // coordinate | |
208 | extrapSegment->fNonBendingCoor = | |
209 | this->fNonBendingCoor + this->fNonBendingSlope * dZ; | |
210 | // slope | |
211 | extrapSegment->fNonBendingSlope = this->fNonBendingSlope; | |
212 | // covariance, including multiple Coulomb scattering over dZ due to one chamber | |
213 | extrapSegment->fNonBendingCoorReso2 = this->fNonBendingCoorReso2 + | |
214 | (this->fNonBendingSlopeReso2 + MCSfactor) *dZ * dZ; // missing non diagonal term: "2.0 * this->fNonBendingCoorSlopeReso2 * dZ" !!!! | |
215 | extrapSegment->fNonBendingSlopeReso2 = | |
216 | this->fNonBendingSlopeReso2 + 2.0 * MCSfactor; | |
217 | extrapSegment->fNonBendingCoorSlopeReso2 = | |
218 | this->fNonBendingCoorSlopeReso2 + this->fNonBendingSlopeReso2 * dZ; // missing: contribution from multiple Coulomb scattering !!!! | |
219 | return extrapSegment; | |
220 | } | |
221 | ||
222 | //__________________________________________________________________________ | |
e516b01d | 223 | AliMUONHitForRec* AliMUONSegment::CreateHitForRecFromLinearExtrapToChamber ( Double_t z, Double_t MCSfactor) const |
a9e2aefa | 224 | { |
225 | // Extrapolates linearly the current Segment (this) to chamber(0..) "Chamber". | |
226 | // Multiple Coulomb scattering calculated from "MCSfactor" | |
227 | // corresponding to one chamber. | |
228 | // Valid from station(1..) 4 to 5 or vice versa. | |
229 | // Returns the pointer to the created AliMUONHitForRec object | |
230 | // corresponding to this extrapolation. | |
231 | // The caller has the responsibility to delete this object. | |
232 | AliMUONHitForRec* extrapHitForRec = new AliMUONHitForRec(); // creates empty new HitForRec | |
233 | // dZ from first hit of current Segment to chamber | |
e516b01d | 234 | Double_t dZ = z - this->GetZ(); |
a9e2aefa | 235 | // Data in bending plane |
e516b01d | 236 | extrapHitForRec->SetZ(z); |
a9e2aefa | 237 | // coordinate |
238 | extrapHitForRec->SetBendingCoor(this->fBendingCoor + this->fBendingSlope * dZ); | |
239 | // covariance, including multiple Coulomb scattering over dZ due to one chamber | |
240 | extrapHitForRec->SetBendingReso2(this->fBendingCoorReso2 + | |
241 | (this->fBendingSlopeReso2 + MCSfactor) * dZ * dZ); // missing non diagonal term: "2.0 * this->fBendingCoorSlopeReso2 * dZ" !!!! | |
242 | // Data in non bending plane | |
243 | // coordinate | |
244 | extrapHitForRec ->SetNonBendingCoor(this->fNonBendingCoor + | |
245 | this->fNonBendingSlope * dZ); | |
246 | // covariance, including multiple Coulomb scattering over dZ due to one chamber | |
247 | extrapHitForRec-> | |
248 | SetNonBendingReso2(this->fNonBendingCoorReso2 + | |
249 | (this->fNonBendingSlopeReso2 + MCSfactor) * dZ * dZ); // missing non diagonal term: "2.0 * this->fNonBendingCoorSlopeReso2 * dZ" !!!! | |
250 | return extrapHitForRec; | |
251 | } | |
252 | ||
253 | //__________________________________________________________________________ | |
d9a3473d | 254 | void AliMUONSegment::UpdateFromStationTrackParam(AliMUONTrackParam *TrackParam, Double_t /*MCSfactor*/, Double_t /*Dz1*/, Double_t /*Dz2*/, Double_t /*Dz3*/, Int_t Station, Double_t InverseMomentum) |
a9e2aefa | 255 | { |
256 | // Fill data members with values calculated from the array of track parameters | |
257 | // pointed to by "TrackParam" (index = 0 and 1 for first and second chambers | |
258 | // of the station, respectively). | |
259 | // Multiple Coulomb scattering is taking into account with "MCSfactor" | |
260 | // corresponding to one chamber, | |
261 | // with one chamber for the coordinate, two chambers for the angle, | |
262 | // due to the arrangement in stations. | |
263 | // Resolution coming from: | |
04b5ea16 | 264 | // coordinate in closest station at "Dz1" from current "Station", |
a9e2aefa | 265 | // slope between closest stations, with "Dz2" interval between them, |
04b5ea16 | 266 | // interval "Dz3" between chambers of closest station, |
267 | // extrapolation over "Dz1" from closest station, | |
268 | // "InverseMomentum". | |
a9e2aefa | 269 | // When called, "fBendingCoorReso2" and "fNonBendingCoorReso2" |
270 | // are assumed to be filled | |
271 | // with the variance on bending and non bending coordinates. | |
04b5ea16 | 272 | // The "road" is parametrized from the old reco_muon.F |
273 | // with 8 cm between stations. | |
a9e2aefa | 274 | AliMUONTrackParam *param0; |
d0bfce8d | 275 | // Double_t cReso2, sReso2; |
04b5ea16 | 276 | // parameters to define the widths of the searching roads in station 0,1,2 |
277 | // width = p0 + p1/ (momentum)^2 | |
278 | // station number: 0 1 2 | |
d0bfce8d | 279 | // static Double_t p0BendingCoor[3] = { 6.43e-2, 1.64e-2, 0.034 }; |
280 | // static Double_t p1BendingCoor[3] = { 986., 821., 446. }; | |
281 | // static Double_t p0BendingSlope[3] = { 3.54e-6, 3.63e-6, 3.6e-6 }; | |
282 | // static Double_t p1BendingSlope[3] = { 4.49e-3, 4.8e-3, 0.011 }; | |
283 | // static Double_t p0NonBendingCoor[3] = { 4.66e-2, 4.83e-2, 0.049 }; | |
284 | // static Double_t p1NonBendingCoor[3] = { 1444., 866., 354. }; | |
285 | // static Double_t p0NonBendingSlope[3] = { 6.14e-4, 6.49e-4, 6.85e-4 }; | |
286 | // static Double_t p1NonBendingSlope[3] = { 0., 0., 0. }; | |
287 | ||
288 | static Double_t p0BendingCoor[3] = { 6.43e-2, 6.43e-2, 6.43e-2 }; | |
289 | static Double_t p1BendingCoor[3] = { 986., 986., 986. }; | |
290 | static Double_t p0BendingSlope[3] = { 3.6e-6, 3.6e-6, 3.6e-6 }; | |
291 | static Double_t p1BendingSlope[3] = { 1.1e-2, 1.1e-2, 1.1e-2 }; | |
292 | static Double_t p0NonBendingCoor[3] = { 0.049, 0.049, 0.049 }; | |
293 | static Double_t p1NonBendingCoor[3] = { 1444., 1444., 1444. }; | |
294 | static Double_t p0NonBendingSlope[3] = { 6.8e-4, 6.8e-4, 6.8e-4 }; | |
295 | static Double_t p1NonBendingSlope[3] = { 0., 0., 0. }; | |
a9e2aefa | 296 | param0 = &(TrackParam[0]); |
04b5ea16 | 297 | |
298 | // OLD version | |
299 | // // Bending plane | |
300 | // fBendingCoor = param0->GetBendingCoor(); // coordinate | |
301 | // fBendingSlope = param0->GetBendingSlope(); // slope | |
302 | // cReso2 = fBendingCoorReso2; | |
303 | // sReso2 = 2.0 * cReso2 / Dz2 / Dz2; | |
304 | // fBendingCoorReso2 = cReso2 + (sReso2 + MCSfactor) * Dz1 * Dz1; | |
305 | // fBendingSlopeReso2 = sReso2 + 2.0 * MCSfactor; | |
306 | // // Non bending plane | |
307 | // fNonBendingCoor = param0->GetNonBendingCoor(); // coordinate | |
308 | // fNonBendingSlope = param0->GetNonBendingSlope(); // slope | |
309 | // cReso2 = fNonBendingCoorReso2; | |
310 | // sReso2 = 2.0 * cReso2 / Dz2 / Dz2; | |
311 | // fNonBendingCoorReso2 = cReso2 + (sReso2 + MCSfactor) * Dz1 * Dz1; | |
312 | // fNonBendingSlopeReso2 = sReso2 + 2.0 * MCSfactor; | |
313 | ||
314 | // Coordinate and slope | |
a9e2aefa | 315 | // Bending plane |
316 | fBendingCoor = param0->GetBendingCoor(); // coordinate | |
317 | fBendingSlope = param0->GetBendingSlope(); // slope | |
a9e2aefa | 318 | // Non bending plane |
319 | fNonBendingCoor = param0->GetNonBendingCoor(); // coordinate | |
320 | fNonBendingSlope = param0->GetNonBendingSlope(); // slope | |
04b5ea16 | 321 | |
e516b01d | 322 | fZ = param0->GetZ(); // z |
323 | ||
04b5ea16 | 324 | // Resolutions |
325 | // cReso2 and sReso2 have to be subtracted here from the parametrization | |
326 | // because they are added in the functions "NormalizedChi2WithSegment" | |
327 | // and "NormalizedChi2WithHitForRec" | |
328 | // Bending plane | |
d0bfce8d | 329 | // cReso2 = fBendingCoorReso2; |
330 | // sReso2 = (2. * cReso2 )/ (Dz3*Dz3) ; | |
331 | fBendingCoorReso2 = p0BendingCoor[Station] + p1BendingCoor[Station]*InverseMomentum*InverseMomentum ; // - cReso2 | |
332 | fBendingSlopeReso2 = p0BendingSlope[Station] + p1BendingSlope[Station]*InverseMomentum*InverseMomentum; // - sReso2; | |
04b5ea16 | 333 | // Non bending plane |
d0bfce8d | 334 | // cReso2 = fNonBendingCoorReso2; |
335 | // sReso2 = (2. * cReso2 )/ (Dz3*Dz3) ; | |
336 | fNonBendingCoorReso2 = p0NonBendingCoor[Station] + p1NonBendingCoor[Station]*InverseMomentum*InverseMomentum; // - cReso2; | |
337 | fNonBendingSlopeReso2 = p0NonBendingSlope[Station] + p1NonBendingSlope[Station]*InverseMomentum*InverseMomentum; // - sReso2; | |
a9e2aefa | 338 | return; |
339 | } | |
04b5ea16 | 340 | |
341 | // OLD function, with roads automatically calculated instead from being parametrized | |
342 | // kept because it would be a better solution, | |
343 | // if one can really find the right values. | |
344 | // //__________________________________________________________________________ | |
345 | // void AliMUONSegment::UpdateFromStationTrackParam(AliMUONTrackParam *TrackParam, Double_t MCSfactor, Double_t Dz1, Double_t Dz2) | |
346 | // { | |
347 | // // Fill data members with values calculated from the array of track parameters | |
348 | // // pointed to by "TrackParam" (index = 0 and 1 for first and second chambers | |
349 | // // of the station, respectively). | |
350 | // // Multiple Coulomb scattering is taking into account with "MCSfactor" | |
351 | // // corresponding to one chamber, | |
352 | // // with one chamber for the coordinate, two chambers for the angle, | |
353 | // // due to the arrangement in stations. | |
354 | // // Resolution coming from: | |
355 | // // coordinate in closest station at "Dz1", | |
356 | // // slope between closest stations, with "Dz2" interval between them, | |
357 | // // extrapolation over "Dz" from closest station. | |
358 | // // When called, "fBendingCoorReso2" and "fNonBendingCoorReso2" | |
359 | // // are assumed to be filled | |
360 | // // with the variance on bending and non bending coordinates. | |
361 | // AliMUONTrackParam *param0; | |
362 | // Double_t cReso2, sReso2; | |
363 | // param0 = &(TrackParam[0]); | |
364 | // // Bending plane | |
365 | // fBendingCoor = param0->GetBendingCoor(); // coordinate | |
366 | // fBendingSlope = param0->GetBendingSlope(); // slope | |
367 | // cReso2 = fBendingCoorReso2; | |
368 | // sReso2 = 2.0 * cReso2 / Dz2 / Dz2; | |
369 | // fBendingCoorReso2 = cReso2 + (sReso2 + MCSfactor) * Dz1 * Dz1; | |
370 | // fBendingSlopeReso2 = sReso2 + 2.0 * MCSfactor; | |
371 | // // Non bending plane | |
372 | // fNonBendingCoor = param0->GetNonBendingCoor(); // coordinate | |
373 | // fNonBendingSlope = param0->GetNonBendingSlope(); // slope | |
374 | // cReso2 = fNonBendingCoorReso2; | |
375 | // sReso2 = 2.0 * cReso2 / Dz2 / Dz2; | |
376 | // fNonBendingCoorReso2 = cReso2 + (sReso2 + MCSfactor) * Dz1 * Dz1; | |
377 | // fNonBendingSlopeReso2 = sReso2 + 2.0 * MCSfactor; | |
378 | // return; | |
379 | // } |