1 #ifndef ALIITSALIGNMILLE2_H
2 #define ALIITSALIGNMILLE2_H
4 /* Copyright(c) 2007-2009 , ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
8 //-----------------------------------------------------------------------------
10 // Interface to AliMillePede2 alignment class for the ALICE ITS detector
12 // ITS specific alignment class which interface to AliMillepede.
13 // For each track ProcessTrack calculates the local and global derivatives
14 // at each hit and fill the corresponding local equations. Provide methods for
15 // fixing or constraining detection elements for best results.
17 // author M. Lunardon (thanks to J. Castillo), ruben.shahoyan@cern.ch
18 //-----------------------------------------------------------------------------
22 #include <TGeoMatrix.h>
25 #include "AliTrackPointArray.h"
26 #include "AliITSAlignMille2Module.h"
32 class AliAlignObjParams;
33 class AliTrackFitterRieman;
34 class AliITSAlignMille2Constraint;
35 class AliITSAlignMille2ConstrArray;
36 class AliITSresponseSDD;
37 class AliITSTPArrayFit;
38 class AliITSsegmentationSDD;
39 class AliITSDriftSpeedArraySDD;
42 class AliITSAlignMille2: public TObject
46 enum {kCosmics, kCollision, kNDataType};
47 enum {kNLocal=5,kMaxPoints=100,
48 kNParChGeom = AliITSAlignMille2Module::kMaxParGeom,
49 kNParCh = AliITSAlignMille2Module::kMaxParTot,
50 kMaxITSSensID=2197,kVtxSensID=kMaxITSSensID+1,kMaxITSSensVID=14300,kVtxSensVID=14371,
51 kMinITSSupeModuleID=14336,
52 kSDDoffsID=240,kNSDDmod=260};
54 enum {kSameInitDeltasBit=BIT(14),kSameInitSDDRespBit=BIT(15),kSameInitSDDVDriftBit=BIT(16),kSameDiamondBit=BIT(17)};
57 AliITSAlignMille2(const Char_t *configFilename="AliITSAlignMille.conf",TList* userInfo=0);
58 virtual ~AliITSAlignMille2();
60 AliMillePede2* GetMillePede() const {return fMillepede;}
61 AliITSTPArrayFit* GetTPAFitter() const {return fTPAFitter;}
63 // configuration methods
65 Int_t IsVIDDefined(UShort_t voluid) const;
66 Int_t IsVIDContained(UShort_t voluid) const;
67 Int_t IsSymDefined(const Char_t* name) const;
68 Int_t IsSymContained(const Char_t* name) const;
69 Int_t GetRequestedModID(UShort_t voluid) const;
71 Int_t GetModuleIndex(const Char_t *symname);
72 Int_t GetModuleIndex(UShort_t voluid);
73 UShort_t GetModuleVolumeID(const Char_t *symname);
74 UShort_t GetModuleVolumeID(Int_t index);
75 AliITSAlignMille2Module* GetMilleModuleByVID(UShort_t voluid) const; // get pointer to the defined supermodule
76 AliITSAlignMille2Module* GetMilleModuleBySymName(const Char_t* symname) const; // get pointer to the defined supermodule
77 AliITSAlignMille2Module* GetMilleModuleIfContained(const Char_t* symname) const;
78 AliITSAlignMille2Module* GetMilleModule(Int_t id) const {return (AliITSAlignMille2Module*)fMilleModule[id];}
79 AliITSAlignMille2Module* GetCurrentModule() const {return fCurrentModule;}
80 AliITSAlignMille2Module* GetSuperModule(Int_t id) const {return (AliITSAlignMille2Module*)fSuperModule[id];}
81 AliITSAlignMille2Module* CreateVertexModule();
83 AliAlignObjParams* GetPrealignedObject(const Char_t* symname) const;
84 AliAlignObjParams* GetConstrRefObject(const Char_t* symname) const;
86 void ConvertParamsToGlobal();
87 void ConvertParamsToLocal();
89 const Char_t* GetGeometryPath() {return fGeometryPath.Data();}
90 const Char_t* GetPreAlignmentPath() {return fPreDeltaPath.Data();}
91 TClonesArray* GetPreAlignmentDeltas() const {return fPrealignment;}
92 AliITSresponseSDD* GetSDDPrecalResp() const {return fPreRespSDD;}
93 AliITSresponseSDD* GetSDDInitResp() const {return fIniRespSDD;}
94 TObjArray* GetSDDInitVDrift() const {return fIniVDriftSDD;}
95 void PrintCurrentModuleInfo() const {if (fCurrentModule) fCurrentModule->Print();}
96 void Print(Option_t*) const;
97 Bool_t IsConfigured() const {return fIsConfigured;}
98 Bool_t GetUseGlobalDelta() const {return fUseGlobalDelta;}
99 Bool_t IsConstraintWrtRef() const {return fConstrRef!=0;}
100 Bool_t FixedOrphans() const;
101 Bool_t IsLocalYError() const {return fUseLocalYErr;}
104 Int_t GetNModules() const {return fNModules;}
105 Int_t GetCurrentModuleIndex() const {return fCurrentModule ? fCurrentModule->GetIndex():-1;}
106 TGeoHMatrix *GetCurrentModuleHMatrix() const {return fCurrentModule ? fCurrentModule->GetMatrix():0;}
107 Double_t *GetCurrentModuleTranslation() const {return fCurrentModule ? fCurrentModule->GetMatrix()->GetTranslation():0;}
108 Int_t GetCurrentModuleInternalIndex() const {return fCurrentModule ? Int_t(fCurrentModule->GetUniqueID()):-1;}
109 Int_t GetTotBadLocEqPoints() const {return fTotBadLocEqPoints;}
110 Int_t GetNConstraints() const {return fConstraints.GetLast()+1;}
111 Int_t InitModuleParams();
114 AliTrackFitterRieman *GetRiemanFitter() const {return fRieman;}
115 AliTrackPointArray *PrepareTrack(const AliTrackPointArray *track);
116 AliTrackPointArray *GetCurrentTrack() const {return (AliTrackPointArray*)fTrack;}
117 AliTrackPoint *GetCurrentCluster() const {return (AliTrackPoint*)&fCluster;}
118 void ProcessSDDPointInfo(const AliTrackPoint* pnt,Int_t sID, Int_t pntID);
119 void SetCurrentTrack(const AliTrackPointArray *atp) {fTrack = (AliTrackPointArray*)atp;}
120 void SetCurrentCluster(const AliTrackPoint &atp);
121 void InitTrackParams(int meth=1);
122 Int_t ProcessTrack(const AliTrackPointArray *track, Double_t wgh=1.0);
124 Int_t CheckCurrentTrack();
126 Int_t CalcIntersectionPoint(Double_t *lpar, Double_t *gpar);
127 Int_t CalcDerivatives(Int_t paridx, Bool_t islpar);
128 void JacobianPosGloLoc(int locid,double* jacobian);
129 Double_t* GetLocalIntersectionPoint() const {return (Double_t*)fPintLoc;}
130 Double_t* GetGlobalIntersectionPoint() const {return (Double_t*)fPintGlo;}
131 AliTrackPointArray *SortTrack(const AliTrackPointArray *atp);
132 void SetTemporaryExcludedModule(Int_t index) {fTempExcludedModule=index;}
133 Int_t GetTemporaryExcludedModule() const {return fTempExcludedModule;}
134 Double_t GetMeasGlo(Int_t dim) const {return fMeasGlo[dim];}
135 Double_t GetMeasLoc(Int_t dim) const {return fMeasLoc[dim];}
136 Int_t GetCurrentLayer() const;
137 void SetBField(Double_t b=0);
138 void SetTypeCosmics() {fDataType = kCosmics;}
139 void SetTypeCollision() {fDataType = kCollision;}
140 void SetDataType(Int_t tp=kCosmics) {fDataType = tp>=0&&tp< kNDataType ? tp:kCosmics;}
141 void SetUseLocalYErrors(Bool_t v=kTRUE) {fUseLocalYErr = v && fTPAFitter;}
142 void SetMinPointsPerSensor( Int_t n ) {fMinPntPerSens = n>0 ? n:0;}
143 Int_t GetMinPointsPerSensor() const {return fMinPntPerSens;}
144 void ConstrainHelixFitPT( Int_t q=0,Double_t pt=-1, Double_t err=-1);
145 void ConstrainHelixFitCurv(Int_t q=0,Double_t crv=-1,Double_t crverr=-1);
146 void RemoveHelixFitConstraint();
147 Double_t GetHelixContraintCharge() const {return fConstrCharge;}
148 Double_t GetHelixContraintPT() const {return fConstrPT;}
149 Double_t GetHelixContraintPTErr() const {return fConstrPTErr;}
150 Int_t GetDataType() const {return fDataType;}
152 TGeoHMatrix* GetSensorOrigMatrixSID(Int_t sid) const;
153 TGeoHMatrix* GetSensorOrigMatrixVID(Int_t vid) const;
155 TGeoHMatrix* GetSensorCurrMatrixSID(Int_t sid) const;
156 TGeoHMatrix* GetSensorCurrMatrixVID(Int_t vid) const;
158 AliCDBEntry* GetCDBEntry(const char* path);
159 // Hierarchical contraints
160 void TieSDDVDriftsLR(AliITSAlignMille2Module* mod);
161 Bool_t PseudoParentsAllowed() const {return fAllowPseudoParents;}
162 void ConstrainModuleSubUnitsMean(Int_t idm, Double_t val=0, UInt_t pattern=0xff);
163 void ConstrainModuleSubUnitsMedian(Int_t idm, Double_t val=0, UInt_t pattern=0xff);
164 void ConstrainOrphansMean(Double_t val=0, UInt_t pattern=0xff);
165 void ConstrainOrphansMedian(Double_t val=0, UInt_t pattern=0xff);
166 void ConstrainLocal(const Char_t* name,Double_t *parcf,Int_t npar,Double_t val,Double_t err);
168 void ApplyGaussianConstraint(const AliITSAlignMille2ConstrArray* cstr);
169 void ApplyPreConstraints();
170 void ApplyPostConstraints();
172 void SetWeightPt(Double_t w=1) {fWeightPt = w;}
173 void SetSDDVDCorrMult(Bool_t v=kTRUE) {fIsSDDVDriftMult=v;}
174 Double_t GetWeightPt() const {return fWeightPt;}
175 Bool_t IsSDDVDCorrMult() const {return fIsSDDVDriftMult;}
176 Bool_t IsParModConstrained(const AliITSAlignMille2Module* mod,Int_t par, Bool_t &meanmed, Bool_t &gaussian) const;
177 Bool_t IsParModFamilyVaried(const AliITSAlignMille2Module* mod,Int_t par,Int_t depth=999) const;
178 Bool_t IsParFamilyFree(const AliITSAlignMille2Module* mod,Int_t par,Int_t depth=999) const;
182 void FixParameter(Int_t param, Double_t value);
183 void PrintGlobalParameters();
185 TClonesArray* CreateDeltas();
186 AliITSresponseSDD* CreateSDDResponse();
189 Double_t GetTDriftSDD() const;
190 Double_t GetVDriftSDD() const;
191 Double_t GetDriftSpeed(Int_t id) const {return fDriftSpeed[id];}
192 Double_t GetDriftSpeed0(Int_t id) const {return fDriftSpeed0[id];}
193 Double_t GetDriftTime0(Int_t id) const {return fDriftTime0[id];}
196 AliITSAlignMille2Constraint* GetConstraint(Int_t i) const {return (AliITSAlignMille2Constraint*)fConstraints.At(i);}
197 AliITSAlignMille2Constraint* GetConstraint(const char* name) const {return (AliITSAlignMille2Constraint*)fConstraints.FindObject(name);}
200 void FetchCluster(int ip) {fTrack->GetPoint(fCluster,ip);fCluster.SetUniqueID(ip);}
201 void SetLocalInitParams(const Double_t *par) {for (int i=kNLocal;i--;) fLocalInitParam[i]=par[i];}
202 Bool_t IsTypeCosmics() const {return fDataType==kCosmics;}
203 Bool_t IsTypeCollision() const {return fDataType==kCollision;}
204 Double_t *GetMeasLoc() const {return (Double_t*)fMeasLoc;}
205 Double_t *GetSigmaLoc() const {return (Double_t*)fSigmaLoc;}
206 Double_t GetBField() const {return fBField;}
207 Bool_t IsFieldON() const {return fBOn;}
208 Bool_t IsDiamondUsed() const {return fUseDiamond;}
209 Double_t *GetLocalInitParam() const {return (Double_t*)fLocalInitParam;}
210 Double_t *GetLocalInitParEr() const {return (Double_t*)fLocalInitParEr;}
211 Double_t GetLocalDif(int par, int coor) const {return fDerivativeLoc[par][coor];}
212 Double_t GetGlobalDif(int par, int coor) const {return fDerivativeGlo[par][coor];}
213 Int_t GetPreAlignmentQualityFactor(Int_t index) const;// if not prealign. return -1
214 void SetBug(Int_t bug) {fBug=bug;} // 1:SSD inversion sens.18-19
215 static AliITSAlignMille2* GetInstance() {return fgInstance;}
218 Int_t GetExtraClustersMode() const {return fExtraClustersMode;}
219 void SetExtraClustersMode(Int_t mode) {fExtraClustersMode=mode;}
223 // flag for AliITSAlignMille compatibility
224 Int_t GetMilleVersion() const {return fMilleVersion;}
225 void SetMilleVersion(Int_t m1) {fMilleVersion=m1;}
226 // modified existing methods
227 void SetCurrentModule(Int_t id);
228 // old methods recovered
229 Int_t IsDefined(UShort_t voluid) const {return IsVIDDefined(voluid);}
230 Int_t IsContained(UShort_t voluid) const {return IsVIDContained(voluid);}
231 // moved from private to public
232 void SetRequiredPoint(Char_t* where, Int_t ndet, Int_t updw, Int_t nreqpts,Int_t runtype=-1);
233 Bool_t InitRiemanFit();
234 void SetMinNPtsPerTrack(Int_t pts=3) {fMinNPtsPerTrack=pts;}
236 static Bool_t IsZero(Double_t v,Double_t threshold = 1e-15) { return TMath::Abs(v)<threshold; }
237 static void SetWordBit(UInt_t word,Int_t bitID) { word |= (1<<bitID);}
238 static void ResetWordBit(UInt_t word,Int_t bitID) { word &= ~(1<<bitID);}
239 static Bool_t TestWordBit(UInt_t word,Int_t bitID) { return (Bool_t)(word&(1<<bitID));}
243 struct Mille2Data { // structure to store data for LocalEquations (X and Z, optionally Y)
245 Double_t fMeas[3]; // measured coordinates
246 Double_t fSigma[3]; // measured errors
247 Double_t fDerLoc[kNLocal][3]; // calculated local derivatives
248 Int_t fNModFilled, fNGlobFilled, fModuleID[kMaxLev]; // used module info
249 Int_t fParMilleID[AliITSAlignMille2Module::kMaxParTot*kMaxLev]; // param id's
250 Double_t fDerGlo[AliITSAlignMille2Module::kMaxParTot*kMaxLev][3]; // global derivatives
253 // configuration methods
255 Int_t CacheMatricesOrig();
256 Int_t CacheMatricesCurr();
257 Int_t ProcessUserInfo(TList *userInfo=0);
258 Int_t LoadConfig(const Char_t *cfile="AliITSAlignMille.conf");
259 TObjArray* GetConfigRecord(FILE* stream, TString& recTitle, TString& recOpt, Bool_t rew);
260 Int_t CheckConfigRecords(FILE* stream);
261 Int_t ReloadInitCalib(TList *userInfo);
262 Int_t ReloadInitCalib();
264 void BuildHierarchy();
265 Int_t LoadSuperModuleFile(const Char_t *cfile="ITSMilleSuperModules.root");
266 Int_t LoadSDDResponse(TString& path, AliITSresponseSDD *&resp);
267 Int_t LoadSDDVDrift(TString& path, TObjArray *&arr);
268 Int_t LoadDeltas(TString& path, TClonesArray *&arr);
269 Int_t LoadDiamond(TString& path);
270 void ResetLocalEquation();
271 Int_t InitGeometry();
272 Int_t ApplyToGeometry();
274 void ConstrainModuleSubUnits(Int_t idm, Double_t val=0, UInt_t pattern=0xff);
275 void ConstrainOrphans(Double_t val=0,UInt_t pattern=0xff);
276 void PostConstrainModuleSubUnits(Int_t type,Int_t idm, Double_t val, UInt_t pattern);
277 void PostConstrainOrphans(Int_t type,Double_t val, UInt_t pattern);
279 void SetGeometryPath(const Char_t* filename="geometry.root") { fGeometryPath = filename; }
281 void SetInitTrackParamsMeth(Int_t meth=1) {fIniTrackParamsMeth=meth;}
283 void AddConstraint(Double_t *factor, Double_t value, Double_t sigma=0);
284 void InitGlobalParameters(Double_t *par);
285 Bool_t SetLocalDerivative(Int_t index, Double_t value) {return IsZero(fLocalDerivatives[index]=value);}
286 Bool_t SetGlobalDerivative(Int_t index, Double_t value) {return IsZero(fGlobalDerivatives[index]=value);}
290 Int_t AddLocalEquation(Mille2Data &m);
291 Int_t AddLocalEquationTPA(Mille2Data &m);
292 void SetLocalEquations(const Mille2Data *marr, Int_t neq);
293 void SetUseGlobalDelta(Bool_t v=kTRUE) {fUseGlobalDelta = v;}
294 void SetAllowPseudoParents(Bool_t v=kTRUE) {fAllowPseudoParents = v;}
295 Int_t SetConstraintWrtRef(const char* reffname);
297 AliITSAlignMille2(const AliITSAlignMille2& rhs);
298 AliITSAlignMille2& operator=(const AliITSAlignMille2& rhs);
343 }; // id's of the keywirds for config file records
346 AliMillePede2 *fMillepede; // Detector independent alignment class
347 Double_t fStartFac; // Initial factor for chi2 cut
348 Double_t fFinalFac; // Final factor for chi2 cut
349 Double_t fResCutInitial; // Cut on residual for first iteration
350 Double_t fResCut; // Cut on residual for other iterations
351 Int_t fNGlobal; // Number of global parameters
352 Int_t fNLocal; // Number of local parameters
353 Int_t fNStdDev; // Number of standard deviations for chi2 cut
354 Bool_t fIsMilleInit; // Flag for initialization
355 Bool_t fAllowPseudoParents; // For simple constraints don't involve parents into the fit
358 AliITSTPArrayFit *fTPAFitter; // TPArrayFitter
359 AliITSAlignMille2Module *fCurrentModule; // Current SuperModule index
360 AliTrackPointArray *fTrack; // pointer to current track
361 TObjArray fTrackBuff; // buffer for tracks of min length
362 AliTrackPoint fCluster; // current cluster
363 Int_t fCurrentSensID; // sensor index for current cluster
364 TArrayD fClusLoc; // local coordinates of the clusters
365 TArrayD fClusGlo; // global coordinates of the clusters
366 TArrayD fClusSigLoc; // local cov matrix of the clusters
367 Double_t *fGlobalDerivatives; // Array of global derivatives
368 Double_t fLocalDerivatives[kNLocal]; // Array of local deriv.
369 Double_t fLocalInitParam[kNLocal]; // Array with inital values for local parameters for current track
370 Double_t fLocalInitParEr[kNLocal][kNLocal];// Array with inital values for local parameters for current track
371 Double_t fModuleInitParam[kNParCh]; // Array with inital values for current module parameters (init geometry)
372 Double_t fPintLoc[3]; // track/module intersection point in local coordinates
373 Double_t fPintLoc0[3]; // track/module intersection point in local coordinates (before variation)
374 Double_t fPintGlo[3]; // track/module intersection point in global coordinates
375 Double_t *fMeasLoc; // current point local coordinates (the original ones)
376 Double_t *fMeasGlo; // current point glob. coord (AliTrackPoint)
377 Double_t *fSigmaLoc; // stdev current point
378 Double_t fSigmaFactor[3]; // multiplicative factor for cluster sigmaX,Y,Z
379 Double_t fConstrPT; // optional PT constraint for helix (abs value)
380 Double_t fConstrPTErr; // error on this constraint (0 - exact)
381 Int_t fConstrCharge; // optional constraint on charge of Helix track (0 - no constraint)
383 Double_t fDerivativeLoc[kNLocal][3]; // XYZ deriv. over local params
384 Double_t fDerivativeGlo[kNParCh][3]; // XYZ deriv. over global params
385 Int_t fMinNPtsPerTrack; // min number of points per track to accept it
386 Int_t fIniTrackParamsMeth; // method for track fit
387 Int_t fTotBadLocEqPoints; // total number of reject points because of bad EqLoc
388 AliTrackFitterRieman *fRieman; // riemann fitter for helices
390 TObjArray fConstraints; // list of constraints
391 TObjArray fCacheMatrixOrig; // cach for original geom matrices
392 TObjArray fCacheMatrixCurr; // cach for prealigned geom matrices
394 Bool_t fUseGlobalDelta; // intetpret deltas as global
395 Bool_t fRequirePoints[kNDataType]; // required points in specific layers
396 Int_t fNReqLayUp[kNDataType][6]; // number of points required in layer[n] with Y>0
397 Int_t fNReqLayDown[kNDataType][6]; // number of points required in layer[n] with Y<0
398 Int_t fNReqLay[kNDataType][6]; // number of points required in layer[n]
399 Int_t fNReqDetUp[kNDataType][3]; // number of points required in Detector[n] with Y>0
400 Int_t fNReqDetDown[kNDataType][3]; // number of points required in Detector[n] with Y<0
401 Int_t fNReqDet[kNDataType][3]; // number of points required in Detector[n]
402 Int_t fTempExcludedModule; /// single module temporary excluded from initial fit
406 TList *fIniUserInfo; // initial user info (validity is not guaranteed after initialization)
407 TString fIniDeltaPath; // where to take the deltas used to produce the points
408 TString fIniSDDRespPath; // where to take the initial SDD response used to produce the points
409 TString fPreCalSDDRespPath; // precalibration SDD response file name
410 TString fIniSDDVDriftPath; // initial SDD vdrift file name
411 TString fPreSDDVDriftPath; // initial SDD vdrift file name
413 TString fGeometryPath; // Geometry file name
414 TString fPreDeltaPath; // file with prealigned objects
415 TString fConstrRefPath; // file with prealigned objects wrt which constraints are defined
416 TString fDiamondPath; // file with diamond constraint
417 TGeoManager *fGeoManager; // pointer to Alice geomanager
418 Bool_t fIsConfigured; // flag for loaded config file
419 TArrayS fPreAlignQF; // prealignment flags (not used?)
421 AliITSresponseSDD* fIniRespSDD; // array of SDD t0/vdrift calib params used to create the track points
422 AliITSresponseSDD* fPreRespSDD; // array of SDD t0/vdrift calib params
423 TObjArray* fIniVDriftSDD; // array of AliITSDriftSpeedArraySDD objects used for original reco
424 TObjArray* fPreVDriftSDD; // array of AliITSDriftSpeedArraySDD objects to be used as a starting point instead of fIniVDriftSDD
425 AliITSsegmentationSDD* fSegmentationSDD; // extraction of SDD segmentation params
426 TClonesArray* fPrealignment; // array of prealignment global deltas
427 TClonesArray* fConstrRef; // array of refererence deltas with respect to which the constraint are defined (survey?)
428 TObjArray fMilleModule; /// array of super modules to be aligned
429 TObjArray fSuperModule; /// array of super modules defined in supermodule file
430 Int_t fNModules; // number of defined modules from config file
431 Int_t fNSuperModules; /// number of custom supermodules in SM file
432 Bool_t fUsePreAlignment; // start from prealigned setup
433 Bool_t fUseLocalYErr; // use local Yerror due to the sensor thickness
434 Bool_t fBOn; // magentic field ON
435 Double_t fBField; // value of magnetic field
436 Int_t fDataType; // is this cosmics or collision processing?
437 Int_t fMinPntPerSens; // min number of points per module to vary it
438 Int_t fBug; /// tag for temporary bug correction
440 Int_t fMilleVersion; /// tag for backward compatibility
443 Int_t fExtraClustersMode; /// 1=remove random / 2=remove internal / 10=use only tracks with xcl
446 Double_t fTrackWeight; //weight given by the user to current track
447 Double_t fWeightPt; //weight track equations by pT in this power
448 Bool_t fIsSDDVDriftMult; //use multiplicative correction for SDD vdrift
449 Double_t fDriftSpeed[50]; //temporary array for corrected drift speed of SDD alitrackpoints
450 Double_t fDriftSpeed0[50]; //temporary array for original drift speed of SDD alitrackpoints
451 Double_t fDriftTime0[50]; //temporary array for drift time 0's used for SDD alitrackpoints
452 Double_t fExtClusterPar[9]; //array to store the parameters of the externally imposed cluster
453 AliTrackPoint fDiamond; //optional constraint on the vertex
454 AliTrackPoint fDiamondI; //constraint on the vertex with inverted error matrix
455 Bool_t fUseDiamond; //use diamond as a vertex constraint
456 Int_t fDiamondPointID; //ID of the diamond point in the track
457 Int_t fDiamondModID; //id of the fake diamond module
459 static AliITSAlignMille2* fgInstance; // global pointer on itself
460 static Int_t fgInstanceID; // global counter of the instances
461 static const Char_t * fgkRecKeys[]; // keywords for config file records
462 static const Char_t fgkXYZ[]; // XYZ labels
464 ClassDef(AliITSAlignMille2, 0)
468 //______________________________________________________________________________________
469 inline void AliITSAlignMille2::SetCurrentCluster(const AliTrackPoint &atp)
471 // set current cluster
473 fCurrentSensID = AliITSAlignMille2Module::GetIndexFromVolumeID(fCluster.GetVolumeID());
476 //______________________________________________________________________________________
477 inline TGeoHMatrix* AliITSAlignMille2::GetSensorOrigMatrixSID(Int_t sid) const
479 // get cached original matrix by sensor ID
480 return sid<0 ? 0 : (TGeoHMatrix*) fCacheMatrixOrig[sid];
483 //______________________________________________________________________________________
484 inline TGeoHMatrix* AliITSAlignMille2::GetSensorOrigMatrixVID(Int_t vid) const
486 // get cached original matrix by sensor volume ID
487 return GetSensorOrigMatrixSID( AliITSAlignMille2Module::GetIndexFromVolumeID(vid) );
490 //______________________________________________________________________________________
491 inline TGeoHMatrix* AliITSAlignMille2::GetSensorCurrMatrixSID(Int_t sid) const
493 // get cached current matrix by sensor ID
494 return sid<0 ? 0 : (TGeoHMatrix*) fCacheMatrixCurr[sid];
497 //______________________________________________________________________________________
498 inline TGeoHMatrix* AliITSAlignMille2::GetSensorCurrMatrixVID(Int_t vid) const
500 // get cached current matrix by sensor volume ID
501 return GetSensorCurrMatrixSID( AliITSAlignMille2Module::GetIndexFromVolumeID(vid) );