1 #ifndef ALIMUONALIGNMENT_H
2 #define ALIMUONALIGNMENT_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
9 /// \class AliMUONAlignment
10 /// \brief Class for alignment of muon spectrometer
12 // Authors: Bruce Becker, Javier Castillo
17 #include "AliMUONAlignmentRecord.h"
22 class AliMUONGeometryTransformer;
24 class AliMUONTrackParam;
25 class AliMUONVCluster;
27 class AliMUONAlignment:public TObject
35 /// rootio constructor
36 AliMUONAlignment(TRootIOCtor* dummy);
39 virtual ~AliMUONAlignment();
41 /// process track for alignment minimization
43 returns the alignment records for this track.
44 They can be stored in some output for later reprocessing.
46 AliMUONAlignmentTrackRecord* ProcessTrack(AliMUONTrack *track, Bool_t doAlignment );
48 /// process track record
49 void ProcessTrack( AliMUONAlignmentTrackRecord* track, Bool_t doAlignment = kTRUE );
51 /// returns current track record
52 AliMUONAlignmentTrackRecord* GetTrackRecord( void )
53 { return &fTrackRecord; }
55 /// Set geometry transformer
56 void SetGeometryTransformer(AliMUONGeometryTransformer * transformer)
57 { fTransform = transformer; }
59 /// Set flag for Magnetic field On/Off
60 void SetBFieldOn(Bool_t bBFieldOn)
61 { fBFieldOn = bBFieldOn; }
63 /// Define chambers to align
64 void SetChOnOff(Bool_t *bChOnOff)
66 for(int iCh=0; iCh<10; iCh++)
67 { fChOnOff[iCh] = bChOnOff[iCh]; }
70 /// Possibility to align only one side of the detector
71 void SetSpecLROnOff(Bool_t *bSpecLROnOff)
73 fSpecLROnOff[0] = bSpecLROnOff[0];
74 fSpecLROnOff[1] = bSpecLROnOff[1];
77 void FixStation(Int_t iSt);
79 void FixChamber(Int_t iCh);
81 void FixDetElem(Int_t iDetElemId, TString sVarXYT = "XYTZ");
83 void FixHalfSpectrometer(const Bool_t* bChOnOff, const Bool_t* bSpecLROnOff);
85 void AllowVariations(const Bool_t* bChOnOff);
87 void SetNonLinear(const Bool_t *bChOnOff, const Bool_t *bVarXYT);
89 void AddConstraints(const Bool_t *bChOnOff, const Bool_t *bVarXYT);
91 void AddConstraints(const Bool_t *bChOnOff, const Bool_t *bVarXYT, const Bool_t *bDetTLBR, const Bool_t *bSpecLROnOff);
93 void ResetConstraints();
95 void FixParameter(Int_t param, Double_t value);
97 void SetNonLinear(Int_t param);
99 void AddConstraint(Double_t *factor, Double_t value );
101 void InitGlobalParameters(Double_t *par);
103 void SetSigmaXY(Double_t sigmaX, Double_t sigmaY);
105 /// Set array of local derivatives
106 void SetLocalDerivative(Int_t index, Double_t value)
107 { fLocalDerivatives[index] = value; }
109 /// Set array of global derivatives
110 void SetGlobalDerivative(Int_t index, Double_t value)
111 { fGlobalDerivatives[index] = value; }
113 void LocalFit(Int_t iTrack, Double_t *lTrackParam, Int_t lSingleFit);
115 void GlobalFit(Double_t *parameters,Double_t *errors,Double_t *pulls);
117 void PrintGlobalParameters();
119 Double_t GetParError(Int_t iPar);
121 AliMUONGeometryTransformer* ReAlign(const AliMUONGeometryTransformer * transformer, const double *misAlignments, Bool_t verbose);
123 void SetAlignmentResolution(const TClonesArray* misAlignArray, Int_t chId, Double_t chResX, Double_t chResY, Double_t deResX, Double_t deResY);
128 AliMUONAlignment(const AliMUONAlignment& right);
131 AliMUONAlignment& operator = (const AliMUONAlignment& right);
133 void Init(Int_t nGlobal, Int_t nLocal, Int_t nStdDev);
135 void ConstrainT(Int_t lDetElem, Int_t lCh, Double_t *lConstraintT, Int_t iVar, Double_t lWeight=1.0) const;
137 void ConstrainL(Int_t lDetElem, Int_t lCh, Double_t *lConstraintL, Int_t iVar, Double_t lWeight=1.0) const;
139 void ConstrainB(Int_t lDetElem, Int_t lCh, Double_t *lConstraintB, Int_t iVar, Double_t lWeight=1.0) const;
141 void ConstrainR(Int_t lDetElem, Int_t lCh, Double_t *lConstraintR, Int_t iVar, Double_t lWeight=1.0) const;
143 void FillDetElemData();
145 void FillRecPointData();
147 void FillTrackParamData();
149 void ResetLocalEquation();
151 /// local equation along X
152 void LocalEquationX( Bool_t doAlignment = kTRUE );
154 /// local equation along Y
155 void LocalEquationY( Bool_t doAlignment = kTRUE );
157 /// local equation using cluster alignment record
158 void LocalEquation( const AliMUONAlignmentClusterRecord& clusterRecord);
160 TGeoCombiTrans ReAlign(const TGeoCombiTrans& transform, const double *detElemMisAlignment) const;
162 Bool_t fBFieldOn; ///< Flag for Magnetic filed On/Off
164 Bool_t fChOnOff[10]; ///< Flags for chamber On/Off
166 Bool_t fSpecLROnOff[2]; ///< Flags for left right On/Off
168 Bool_t fDoF[4]; ///< Flags degrees of freedom to align (x,y,phi)
170 Double_t fAllowVar[4]; ///< "Encouraged" variation for degrees of freedom
172 /** if > 1 Iterations in AliMillepede are turned on */
173 Double_t fStartFac; ///< Initial value for chi2 cut
175 Double_t fResCutInitial; ///< Cut on residual for first iteration
177 Double_t fResCut; ///< Cut on residual for other iterations
179 AliMillepede *fMillepede; ///< Detector independent alignment class
181 AliMUONTrack *fTrack; //!< AliMUONTrack
183 AliMUONVCluster *fCluster; //!< AliMUONVCluster
185 AliMUONTrackParam *fTrackParam; //!< Track parameters
187 Int_t fNGlobal; ///< Number of global parameters
188 Int_t fNLocal; ///< Number of local parameters
189 Int_t fNStdDev; ///< Number of standard deviations for chi2 cut
190 Double_t fClustPos[3]; ///< Cluster position
191 Double_t fClustPosLoc[3]; ///< Cluster position in local coordinates
192 Double_t fTrackSlope0[2]; ///< Track slope at reference point
193 Double_t fTrackSlope[2]; ///< Track slope at current point
194 Double_t fTrackPos0[3]; ///< Track intersection at reference point
195 Double_t fTrackPos[3]; ///< Track intersection at current point
196 Double_t fTrackPosLoc[3]; ///< Track intersection at current point in local coordinates
197 Double_t fMeas[2]; ///< Current measurement (depend on B field On/Off)
198 Double_t fSigma[2]; ///< Estimated resolution on measurement
200 Double_t fGlobalDerivatives[624]; ///< Array of global derivatives
201 Double_t fLocalDerivatives[4]; ///< Array of local derivatives
203 Double_t fConstraintX[624]; ///< Array for constraint equation all X
204 Double_t fConstraintY[624]; ///< Array for constraint equation all Y
205 Double_t fConstraintP[624]; ///< Array for constraint equation all P
206 Double_t fConstraintXT[624]; ///< Array for constraint equation X Top half
207 Double_t fConstraintYT[624]; ///< Array for constraint equation Y Top half
208 Double_t fConstraintPT[624]; ///< Array for constraint equation P Top half
209 Double_t fConstraintXZT[624]; ///< Array for constraint equation X vs Z Top half
210 Double_t fConstraintYZT[624]; ///< Array for constraint equation Y vs Z Top half
211 Double_t fConstraintPZT[624]; ///< Array for constraint equation P vs Z Top half
212 Double_t fConstraintXYT[624]; ///< Array for constraint equation X vs Y Top half
213 Double_t fConstraintYYT[624]; ///< Array for constraint equation Y vs Y Top half
214 Double_t fConstraintPYT[624]; ///< Array for constraint equation P vs Y Top half
215 Double_t fConstraintXB[624]; ///< Array for constraint equation X Bottom half
216 Double_t fConstraintYB[624]; ///< Array for constraint equation Y Bottom half
217 Double_t fConstraintPB[624]; ///< Array for constraint equation P Bottom half
218 Double_t fConstraintXZB[624]; ///< Array for constraint equation X vs Z Bottom half
219 Double_t fConstraintYZB[624]; ///< Array for constraint equation Y vs Z Bottom half
220 Double_t fConstraintPZB[624]; ///< Array for constraint equation P vs Z Bottom half
221 Double_t fConstraintXYB[624]; ///< Array for constraint equation X vs Y Bottom half
222 Double_t fConstraintYYB[624]; ///< Array for constraint equation Y vs Y Bottom half
223 Double_t fConstraintPYB[624]; ///< Array for constraint equation P vs Y Bottom half
224 Double_t fConstraintXR[624]; ///< Array for constraint equation X Right half
225 Double_t fConstraintYR[624]; ///< Array for constraint equation Y Right half
226 Double_t fConstraintPR[624]; ///< Array for constraint equation P Right half
227 Double_t fConstraintXZR[624]; ///< Array for constraint equation X vs Z Right half
228 Double_t fConstraintYZR[624]; ///< Array for constraint equation Y vs Z Right half
229 Double_t fConstraintPZR[624]; ///< Array for constraint equation P vs Z Right half
230 Double_t fConstraintXYR[624]; ///< Array for constraint equation X vs Y Right half
231 Double_t fConstraintYYR[624]; ///< Array for constraint equation Y vs Y Right half
232 Double_t fConstraintPYR[624]; ///< Array for constraint equation P vs Y Right half
233 Double_t fConstraintXL[624]; ///< Array for constraint equation X Left half
234 Double_t fConstraintYL[624]; ///< Array for constraint equation Y Left half
235 Double_t fConstraintPL[624]; ///< Array for constraint equation P Left half
236 Double_t fConstraintXZL[624]; ///< Array for constraint equation X vs Z Left half
237 Double_t fConstraintYZL[624]; ///< Array for constraint equation Y vs Z Left half
238 Double_t fConstraintPZL[624]; ///< Array for constraint equation P vs Z Left half
239 Double_t fConstraintXYL[624]; ///< Array for constraint equation X vs Y Left half
240 Double_t fConstraintYYL[624]; ///< Array for constraint equation Y vs Y Left half
241 Double_t fConstraintPYL[624]; ///< Array for constraint equation P vs Y Left half
242 Double_t fConstraintX3[624]; ///< Array for constraint equation St3 X
243 Double_t fConstraintY3[624]; ///< Array for constraint equation St3 Y
244 Double_t fConstraintX4[624]; ///< Array for constraint equation St4 X
245 Double_t fConstraintY4[624]; ///< Array for constraint equation St4 Y
246 Double_t fConstraintP4[624]; ///< Array for constraint equation St4 P
247 Double_t fConstraintX5[624]; ///< Array for constraint equation St5 X
248 Double_t fConstraintY5[624]; ///< Array for constraint equation St5 Y
250 Int_t fDetElemId; ///< Detection element id
251 Int_t fDetElemNumber; ///< Detection element number
252 Double_t fPhi; ///< Azimuthal tilt of detection element
253 Double_t fCosPhi; ///< Cosine of fPhi
254 Double_t fSinPhi; ///< Sine of fPhi
255 Double_t fDetElemPos[3]; ///< Position of detection element
257 AliMUONAlignmentTrackRecord fTrackRecord; //!< running Track record
259 AliMUONGeometryTransformer *fTransform; ///< Geometry transformation
261 static Int_t fgNSt; ///< Number tracking stations
262 static Int_t fgNCh; ///< Number tracking chambers
263 static Int_t fgNTrkMod; ///< Number of tracking modules (4 ch + 6*2 half-ch)
264 static Int_t fgNParCh; ///< Number of degrees of freedom per chamber
265 static Int_t fgNDetElem; ///< Total number of detection elements
266 static Int_t fgNDetElemCh[10]; ///< Number of detection elements per chamber
267 static Int_t fgSNDetElemCh[10];///< Sum of detection elements up to this chamber (inc)
269 ClassDef(AliMUONAlignment, 2)