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f826d409 1//---------------------------------------------------------------------------------
2// The AliKFParticle class
3// .
4// @author S.Gorbunov, I.Kisel
5// @version 1.0
6// @since 13.05.07
7//
8// Class to reconstruct and store the decayed particle parameters.
9// The method is described in CBM-SOFT note 2007-003,
10// ``Reconstruction of decayed particles based on the Kalman filter'',
11// http://www.gsi.de/documents/DOC-2007-May-14-1.pdf
12//
13// This class is ALICE interface to general mathematics in AliKFParticleBase
14//
15// -= Copyright &copy ALICE HLT Group =-
16//_________________________________________________________________________________
17
18#ifndef ALIKFPARTICLE_H
19#define ALIKFPARTICLE_H
20
21#include "AliKFParticleBase.h"
cfb5a2e1 22#include "TMath.h"
f826d409 23
706952f5 24class AliVTrack;
cfb5a2e1 25class AliVVertex;
f826d409 26
f826d409 27class AliKFParticle :public AliKFParticleBase
28{
29
30 public:
31
32 //*
33 //* INITIALIZATION
34 //*
35
4bbc290d 36 //* Set magnetic field for all particles
37
38 static void SetField( Double_t Bz );
39
f826d409 40 //* Constructor (empty)
41
e7b09c95 42 AliKFParticle():AliKFParticleBase(){ ; }
f826d409 43
44 //* Destructor (empty)
45
e7b09c95 46 ~AliKFParticle(){ ; }
f826d409 47
616ffc76 48 //* Construction of mother particle by its 2-3-4 daughters
49
50 AliKFParticle( const AliKFParticle &d1, const AliKFParticle &d2 );
51
52 AliKFParticle( const AliKFParticle &d1, const AliKFParticle &d2,
53 const AliKFParticle &d3 );
54
55 AliKFParticle( const AliKFParticle &d1, const AliKFParticle &d2,
56 const AliKFParticle &d3, const AliKFParticle &d4 );
57
e7b09c95 58 //* Initialisation from "cartesian" coordinates ( X Y Z Px Py Pz )
59 //* Parameters, covariance matrix, charge and PID hypothesis should be provided
60
7972a8db 61 void Create( const Double_t Param[], const Double_t Cov[], Int_t Charge, Int_t PID );
e7b09c95 62
63 //* Initialisation from ALICE track, PID hypothesis shoould be provided
f826d409 64
706952f5 65 AliKFParticle( const AliVTrack &track, Int_t PID );
f826d409 66
706952f5 67 //* Initialisation from VVertex
f826d409 68
706952f5 69 AliKFParticle( const AliVVertex &vertex );
f826d409 70
f826d409 71 //* Initialise covariance matrix and set current parameters to 0.0
72
73 void Initialize();
74
75 //* Set decay vertex parameters for linearisation
76
77 void SetVtxGuess( Double_t x, Double_t y, Double_t z );
78
79 //*
80 //* ACCESSORS
81 //*
82
83 //* Simple accessors
84
85 Double_t GetX () const ; //* x of current position
86 Double_t GetY () const ; //* y of current position
87 Double_t GetZ () const ; //* z of current position
88 Double_t GetPx () const ; //* x-compoment of 3-momentum
89 Double_t GetPy () const ; //* y-compoment of 3-momentum
90 Double_t GetPz () const ; //* z-compoment of 3-momentum
91 Double_t GetE () const ; //* energy
92 Double_t GetS () const ; //* decay length / momentum
93 Int_t GetQ () const ; //* charge
94 Double_t GetChi2 () const ; //* chi^2
95 Int_t GetNDF () const ; //* Number of Degrees of Freedom
96
97 Double_t GetParameter ( int i ) const ;
98 Double_t GetCovariance( int i ) const ;
99 Double_t GetCovariance( int i, int j ) const ;
100
e7b09c95 101 //* Accessors with calculations, value returned w/o error flag
102
706952f5 103 Double_t GetP () const; //* momentum
104 Double_t GetPt () const; //* transverse momentum
105 Double_t GetEta () const; //* pseudorapidity
106 Double_t GetPhi () const; //* phi
107 Double_t GetMomentum () const; //* momentum (same as GetP() )
108 Double_t GetMass () const; //* mass
109 Double_t GetDecayLength () const; //* decay length
446ce366 110 Double_t GetDecayLengthXY () const; //* decay length in XY
706952f5 111 Double_t GetLifeTime () const; //* life time
112 Double_t GetR () const; //* distance to the origin
e7b09c95 113
114 //* Accessors to estimated errors
115
706952f5 116 Double_t GetErrX () const ; //* x of current position
e7b09c95 117 Double_t GetErrY () const ; //* y of current position
118 Double_t GetErrZ () const ; //* z of current position
119 Double_t GetErrPx () const ; //* x-compoment of 3-momentum
120 Double_t GetErrPy () const ; //* y-compoment of 3-momentum
121 Double_t GetErrPz () const ; //* z-compoment of 3-momentum
122 Double_t GetErrE () const ; //* energy
123 Double_t GetErrS () const ; //* decay length / momentum
706952f5 124 Double_t GetErrP () const ; //* momentum
125 Double_t GetErrPt () const ; //* transverse momentum
126 Double_t GetErrEta () const ; //* pseudorapidity
127 Double_t GetErrPhi () const ; //* phi
128 Double_t GetErrMomentum () const ; //* momentum
129 Double_t GetErrMass () const ; //* mass
130 Double_t GetErrDecayLength () const ; //* decay length
446ce366 131 Double_t GetErrDecayLengthXY () const ; //* decay length in XY
706952f5 132 Double_t GetErrLifeTime () const ; //* life time
133 Double_t GetErrR () const ; //* distance to the origin
e7b09c95 134
f826d409 135 //* Accessors with calculations( &value, &estimated sigma )
136 //* error flag returned (0 means no error during calculations)
137
706952f5 138 int GetP ( Double_t &P, Double_t &SigmaP ) const ; //* momentum
139 int GetPt ( Double_t &Pt, Double_t &SigmaPt ) const ; //* transverse momentum
140 int GetEta ( Double_t &Eta, Double_t &SigmaEta ) const ; //* pseudorapidity
141 int GetPhi ( Double_t &Phi, Double_t &SigmaPhi ) const ; //* phi
142 int GetMomentum ( Double_t &P, Double_t &SigmaP ) const ; //* momentum
143 int GetMass ( Double_t &M, Double_t &SigmaM ) const ; //* mass
144 int GetDecayLength ( Double_t &L, Double_t &SigmaL ) const ; //* decay length
446ce366 145 int GetDecayLengthXY ( Double_t &L, Double_t &SigmaL ) const ; //* decay length in XY
146 int GetLifeTime ( Double_t &T, Double_t &SigmaT ) const ; //* life time
706952f5 147 int GetR ( Double_t &R, Double_t &SigmaR ) const ; //* R
f826d409 148
e7b09c95 149
f826d409 150 //*
151 //* MODIFIERS
152 //*
153
154 Double_t & X () ;
155 Double_t & Y () ;
156 Double_t & Z () ;
157 Double_t & Px () ;
158 Double_t & Py () ;
159 Double_t & Pz () ;
160 Double_t & E () ;
161 Double_t & S () ;
162 Int_t & Q () ;
163 Double_t & Chi2 () ;
164 Int_t & NDF () ;
165
166 Double_t & Parameter ( int i ) ;
167 Double_t & Covariance( int i ) ;
168 Double_t & Covariance( int i, int j ) ;
bb4bc052 169 Double_t * Parameters () ;
170 Double_t * CovarianceMatrix() ;
f826d409 171
172 //*
173 //* CONSTRUCTION OF THE PARTICLE BY ITS DAUGHTERS AND MOTHER
174 //* USING THE KALMAN FILTER METHOD
175 //*
176
177
616ffc76 178 //* Add daughter to the particle
f826d409 179
616ffc76 180 void AddDaughter( const AliKFParticle &Daughter );
f826d409 181
616ffc76 182 //* Add daughter via += operator: ex.{ D0; D0+=Pion; D0+= Kaon; }
f826d409 183
616ffc76 184 void operator +=( const AliKFParticle &Daughter );
f826d409 185
186 //* Set production vertex
187
188 void SetProductionVertex( const AliKFParticle &Vtx );
189
e7b09c95 190 //* Set mass constraint
f826d409 191
e7b09c95 192 void SetMassConstraint( Double_t Mass, Double_t SigmaMass = 0 );
f826d409 193
e7b09c95 194 //* Set no decay length for resonances
195
196 void SetNoDecayLength();
197
f826d409 198 //* Everything in one go
199
200 void Construct( const AliKFParticle *vDaughters[], int NDaughters,
706952f5 201 const AliKFParticle *ProdVtx=0, Double_t Mass=-1, Bool_t IsConstrained=0 );
f826d409 202
203 //*
204 //* TRANSPORT
205 //*
206 //* ( main transportation parameter is S = SignedPath/Momentum )
207 //* ( parameters of decay & production vertices are stored locally )
208 //*
209
210 //* Transport the particle to its decay vertex
211
212 void TransportToDecayVertex();
213
214 //* Transport the particle to its production vertex
215
216 void TransportToProductionVertex();
217
218 //* Transport the particle close to xyz[] point
219
220 void TransportToPoint( const Double_t xyz[] );
221
706952f5 222 //* Transport the particle close to VVertex
f826d409 223
706952f5 224 void TransportToVertex( const AliVVertex &v );
f826d409 225
226 //* Transport the particle close to another particle p
227
228 void TransportToParticle( const AliKFParticle &p );
229
230 //* Transport the particle on dS parameter (SignedPath/Momentum)
231
232 void TransportToDS( Double_t dS );
233
234 //* Get dS to a certain space point
235
236 Double_t GetDStoPoint( const Double_t xyz[] ) const ;
237
238 //* Get dS to other particle p (dSp for particle p also returned)
239
240 void GetDStoParticle( const AliKFParticle &p,
241 Double_t &DS, Double_t &DSp ) const ;
242
e7b09c95 243 //* Get dS to other particle p in XY-plane
244
245 void GetDStoParticleXY( const AliKFParticleBase &p,
246 Double_t &DS, Double_t &DSp ) const ;
247
f826d409 248 //*
249 //* OTHER UTILITIES
250 //*
251
252
253 //* Calculate distance from another object [cm]
254
255 Double_t GetDistanceFromVertex( const Double_t vtx[] ) const ;
256 Double_t GetDistanceFromVertex( const AliKFParticle &Vtx ) const ;
706952f5 257 Double_t GetDistanceFromVertex( const AliVVertex &Vtx ) const ;
f826d409 258 Double_t GetDistanceFromParticle( const AliKFParticle &p ) const ;
259
260 //* Calculate sqrt(Chi2/ndf) deviation from another object
261 //* ( v = [xyz]-vertex, Cv=[Cxx,Cxy,Cyy,Cxz,Cyz,Czz]-covariance matrix )
262
263 Double_t GetDeviationFromVertex( const Double_t v[], const Double_t Cv[]=0 ) const ;
264 Double_t GetDeviationFromVertex( const AliKFParticle &Vtx ) const ;
706952f5 265 Double_t GetDeviationFromVertex( const AliVVertex &Vtx ) const ;
f826d409 266 Double_t GetDeviationFromParticle( const AliKFParticle &p ) const ;
e7b09c95 267
268 //* Calculate distance from another object [cm] in XY-plane
269
446ce366 270 Bool_t GetDistanceFromVertexXY( const Double_t vtx[], Double_t &val, Double_t &err ) const ;
271 Bool_t GetDistanceFromVertexXY( const Double_t vtx[], const Double_t Cv[], Double_t &val, Double_t &err ) const ;
272 Bool_t GetDistanceFromVertexXY( const AliKFParticle &Vtx, Double_t &val, Double_t &err ) const ;
273 Bool_t GetDistanceFromVertexXY( const AliVVertex &Vtx, Double_t &val, Double_t &err ) const ;
274
e7b09c95 275 Double_t GetDistanceFromVertexXY( const Double_t vtx[] ) const ;
276 Double_t GetDistanceFromVertexXY( const AliKFParticle &Vtx ) const ;
706952f5 277 Double_t GetDistanceFromVertexXY( const AliVVertex &Vtx ) const ;
e7b09c95 278 Double_t GetDistanceFromParticleXY( const AliKFParticle &p ) const ;
279
280 //* Calculate sqrt(Chi2/ndf) deviation from another object in XY plane
281 //* ( v = [xyz]-vertex, Cv=[Cxx,Cxy,Cyy,Cxz,Cyz,Czz]-covariance matrix )
282
283 Double_t GetDeviationFromVertexXY( const Double_t v[], const Double_t Cv[]=0 ) const ;
284 Double_t GetDeviationFromVertexXY( const AliKFParticle &Vtx ) const ;
706952f5 285 Double_t GetDeviationFromVertexXY( const AliVVertex &Vtx ) const ;
e7b09c95 286 Double_t GetDeviationFromParticleXY( const AliKFParticle &p ) const ;
287
288 //* Calculate opennig angle between two particles
289
290 Double_t GetAngle ( const AliKFParticle &p ) const ;
291 Double_t GetAngleXY( const AliKFParticle &p ) const ;
292 Double_t GetAngleRZ( const AliKFParticle &p ) const ;
f826d409 293
294 //* Subtract the particle from the vertex
295
296 void SubtractFromVertex( AliKFParticle &v ) const ;
f826d409 297
a65041d0 298 //* Special method for creating gammas
299
300 void ConstructGamma( const AliKFParticle &daughter1,
301 const AliKFParticle &daughter2 );
302
f826d409 303 protected:
304
305 //*
306 //* INTERNAL STUFF
706952f5 307 //*
f826d409 308
309 //* Method to access ALICE field
310
4bbc290d 311 static Double_t GetFieldAlice();
f826d409 312
313 //* Other methods required by the abstract AliKFParticleBase class
314
315 void GetFieldValue( const Double_t xyz[], Double_t B[] ) const ;
316 void GetDStoParticle( const AliKFParticleBase &p, Double_t &DS, Double_t &DSp )const ;
317 void Transport( Double_t dS, Double_t P[], Double_t C[] ) const ;
616ffc76 318 static void GetExternalTrackParam( const AliKFParticleBase &p, Double_t &X, Double_t &Alpha, Double_t P[5] ) ;
f826d409 319
706952f5 320 //void GetDStoParticleALICE( const AliKFParticleBase &p, Double_t &DS, Double_t &DS1 ) const;
321
322
4bbc290d 323 private:
324
325 static Double_t fgBz; //* Bz compoment of the magnetic field
f826d409 326
616ffc76 327 ClassDef( AliKFParticle, 1 );
f826d409 328
329};
330
331
332
333//---------------------------------------------------------------------
334//
335// Inline implementation of the AliKFParticle methods
336//
337//---------------------------------------------------------------------
338
339
4bbc290d 340inline void AliKFParticle::SetField( Double_t Bz )
341{
de0d0ceb 342 fgBz = Bz;
4bbc290d 343}
f826d409 344
616ffc76 345
346inline AliKFParticle::AliKFParticle( const AliKFParticle &d1,
347 const AliKFParticle &d2 )
348{
349 AliKFParticle mother;
350 mother+= d1;
351 mother+= d2;
352 *this = mother;
353}
354
355inline AliKFParticle::AliKFParticle( const AliKFParticle &d1,
356 const AliKFParticle &d2,
357 const AliKFParticle &d3 )
358{
359 AliKFParticle mother;
360 mother+= d1;
361 mother+= d2;
362 mother+= d3;
363 *this = mother;
364}
365
366inline AliKFParticle::AliKFParticle( const AliKFParticle &d1,
367 const AliKFParticle &d2,
368 const AliKFParticle &d3,
369 const AliKFParticle &d4 )
370{
371 AliKFParticle mother;
372 mother+= d1;
373 mother+= d2;
374 mother+= d3;
375 mother+= d4;
376 *this = mother;
377}
378
379
f826d409 380inline void AliKFParticle::Initialize()
381{
382 AliKFParticleBase::Initialize();
383}
384
385inline void AliKFParticle::SetVtxGuess( Double_t x, Double_t y, Double_t z )
386{
387 AliKFParticleBase::SetVtxGuess(x,y,z);
388}
389
390inline Double_t AliKFParticle::GetX () const
391{
392 return AliKFParticleBase::GetX();
393}
394
395inline Double_t AliKFParticle::GetY () const
396{
397 return AliKFParticleBase::GetY();
398}
399
400inline Double_t AliKFParticle::GetZ () const
401{
402 return AliKFParticleBase::GetZ();
403}
404
405inline Double_t AliKFParticle::GetPx () const
406{
407 return AliKFParticleBase::GetPx();
408}
409
410inline Double_t AliKFParticle::GetPy () const
411{
412 return AliKFParticleBase::GetPy();
413}
414
415inline Double_t AliKFParticle::GetPz () const
416{
417 return AliKFParticleBase::GetPz();
418}
419
420inline Double_t AliKFParticle::GetE () const
421{
422 return AliKFParticleBase::GetE();
423}
424
425inline Double_t AliKFParticle::GetS () const
426{
427 return AliKFParticleBase::GetS();
428}
429
430inline Int_t AliKFParticle::GetQ () const
431{
432 return AliKFParticleBase::GetQ();
433}
434
435inline Double_t AliKFParticle::GetChi2 () const
436{
437 return AliKFParticleBase::GetChi2();
438}
439
440inline Int_t AliKFParticle::GetNDF () const
441{
442 return AliKFParticleBase::GetNDF();
443}
444
445inline Double_t AliKFParticle::GetParameter ( int i ) const
446{
447 return AliKFParticleBase::GetParameter(i);
448}
449
450inline Double_t AliKFParticle::GetCovariance( int i ) const
451{
452 return AliKFParticleBase::GetCovariance(i);
453}
454
455inline Double_t AliKFParticle::GetCovariance( int i, int j ) const
456{
457 return AliKFParticleBase::GetCovariance(i,j);
458}
459
e7b09c95 460
706952f5 461inline Double_t AliKFParticle::GetP () const
462{
463 Double_t par, err;
464 if( AliKFParticleBase::GetMomentum( par, err ) ) return 0;
465 else return par;
466}
467
468inline Double_t AliKFParticle::GetPt () const
469{
470 Double_t par, err;
471 if( AliKFParticleBase::GetPt( par, err ) ) return 0;
472 else return par;
473}
474
475inline Double_t AliKFParticle::GetEta () const
476{
477 Double_t par, err;
478 if( AliKFParticleBase::GetEta( par, err ) ) return 0;
479 else return par;
480}
481
482inline Double_t AliKFParticle::GetPhi () const
483{
484 Double_t par, err;
485 if( AliKFParticleBase::GetPhi( par, err ) ) return 0;
486 else return par;
487}
488
e7b09c95 489inline Double_t AliKFParticle::GetMomentum () const
490{
491 Double_t par, err;
492 if( AliKFParticleBase::GetMomentum( par, err ) ) return 0;
493 else return par;
494}
495
496inline Double_t AliKFParticle::GetMass () const
497{
498 Double_t par, err;
499 if( AliKFParticleBase::GetMass( par, err ) ) return 0;
500 else return par;
501}
502
503inline Double_t AliKFParticle::GetDecayLength () const
504{
505 Double_t par, err;
506 if( AliKFParticleBase::GetDecayLength( par, err ) ) return 0;
507 else return par;
508}
509
446ce366 510inline Double_t AliKFParticle::GetDecayLengthXY () const
511{
512 Double_t par, err;
513 if( AliKFParticleBase::GetDecayLengthXY( par, err ) ) return 0;
514 else return par;
515}
516
e7b09c95 517inline Double_t AliKFParticle::GetLifeTime () const
518{
519 Double_t par, err;
520 if( AliKFParticleBase::GetLifeTime( par, err ) ) return 0;
521 else return par;
522}
523
706952f5 524inline Double_t AliKFParticle::GetR () const
525{
526 Double_t par, err;
527 if( AliKFParticleBase::GetR( par, err ) ) return 0;
528 else return par;
529}
530
e7b09c95 531inline Double_t AliKFParticle::GetErrX () const
532{
533 return TMath::Sqrt(TMath::Abs( GetCovariance(0,0) ));
534}
535
536inline Double_t AliKFParticle::GetErrY () const
537{
538 return TMath::Sqrt(TMath::Abs( GetCovariance(1,1) ));
539}
540
541inline Double_t AliKFParticle::GetErrZ () const
542{
543 return TMath::Sqrt(TMath::Abs( GetCovariance(2,2) ));
544}
545
546inline Double_t AliKFParticle::GetErrPx () const
547{
548 return TMath::Sqrt(TMath::Abs( GetCovariance(3,3) ));
549}
550
551inline Double_t AliKFParticle::GetErrPy () const
552{
553 return TMath::Sqrt(TMath::Abs( GetCovariance(4,4) ));
554}
555
556inline Double_t AliKFParticle::GetErrPz () const
557{
558 return TMath::Sqrt(TMath::Abs( GetCovariance(5,5) ));
559}
560
561inline Double_t AliKFParticle::GetErrE () const
562{
563 return TMath::Sqrt(TMath::Abs( GetCovariance(6,6) ));
564}
565
566inline Double_t AliKFParticle::GetErrS () const
567{
568 return TMath::Sqrt(TMath::Abs( GetCovariance(7,7) ));
569}
570
706952f5 571inline Double_t AliKFParticle::GetErrP () const
572{
573 Double_t par, err;
574 if( AliKFParticleBase::GetMomentum( par, err ) ) return 1.e10;
575 else return err;
576}
577
578inline Double_t AliKFParticle::GetErrPt () const
579{
580 Double_t par, err;
581 if( AliKFParticleBase::GetPt( par, err ) ) return 1.e10;
582 else return err;
583}
584
585inline Double_t AliKFParticle::GetErrEta () const
586{
587 Double_t par, err;
588 if( AliKFParticleBase::GetEta( par, err ) ) return 1.e10;
589 else return err;
590}
591
592inline Double_t AliKFParticle::GetErrPhi () const
593{
594 Double_t par, err;
595 if( AliKFParticleBase::GetPhi( par, err ) ) return 1.e10;
596 else return err;
597}
598
e7b09c95 599inline Double_t AliKFParticle::GetErrMomentum () const
600{
601 Double_t par, err;
602 if( AliKFParticleBase::GetMomentum( par, err ) ) return 1.e10;
603 else return err;
604}
605
606inline Double_t AliKFParticle::GetErrMass () const
607{
608 Double_t par, err;
609 if( AliKFParticleBase::GetMass( par, err ) ) return 1.e10;
610 else return err;
611}
612
613inline Double_t AliKFParticle::GetErrDecayLength () const
614{
615 Double_t par, err;
616 if( AliKFParticleBase::GetDecayLength( par, err ) ) return 1.e10;
617 else return err;
618}
619
446ce366 620inline Double_t AliKFParticle::GetErrDecayLengthXY () const
621{
622 Double_t par, err;
623 if( AliKFParticleBase::GetDecayLengthXY( par, err ) ) return 1.e10;
624 else return err;
625}
626
e7b09c95 627inline Double_t AliKFParticle::GetErrLifeTime () const
628{
629 Double_t par, err;
630 if( AliKFParticleBase::GetLifeTime( par, err ) ) return 1.e10;
631 else return err;
632}
633
706952f5 634inline Double_t AliKFParticle::GetErrR () const
635{
636 Double_t par, err;
637 if( AliKFParticleBase::GetR( par, err ) ) return 1.e10;
638 else return err;
639}
640
641
642inline int AliKFParticle::GetP( Double_t &P, Double_t &SigmaP ) const
643{
644 return AliKFParticleBase::GetMomentum( P, SigmaP );
645}
646
647inline int AliKFParticle::GetPt( Double_t &Pt, Double_t &SigmaPt ) const
648{
649 return AliKFParticleBase::GetPt( Pt, SigmaPt );
650}
651
652inline int AliKFParticle::GetEta( Double_t &Eta, Double_t &SigmaEta ) const
653{
654 return AliKFParticleBase::GetEta( Eta, SigmaEta );
655}
656
657inline int AliKFParticle::GetPhi( Double_t &Phi, Double_t &SigmaPhi ) const
658{
659 return AliKFParticleBase::GetPhi( Phi, SigmaPhi );
660}
e7b09c95 661
f826d409 662inline int AliKFParticle::GetMomentum( Double_t &P, Double_t &SigmaP ) const
663{
664 return AliKFParticleBase::GetMomentum( P, SigmaP );
665}
666
667inline int AliKFParticle::GetMass( Double_t &M, Double_t &SigmaM ) const
668{
669 return AliKFParticleBase::GetMass( M, SigmaM );
670}
671
672inline int AliKFParticle::GetDecayLength( Double_t &L, Double_t &SigmaL ) const
673{
674 return AliKFParticleBase::GetDecayLength( L, SigmaL );
675}
676
446ce366 677inline int AliKFParticle::GetDecayLengthXY( Double_t &L, Double_t &SigmaL ) const
678{
679 return AliKFParticleBase::GetDecayLengthXY( L, SigmaL );
680}
681
f826d409 682inline int AliKFParticle::GetLifeTime( Double_t &T, Double_t &SigmaT ) const
683{
684 return AliKFParticleBase::GetLifeTime( T, SigmaT );
685}
686
706952f5 687inline int AliKFParticle::GetR( Double_t &R, Double_t &SigmaR ) const
688{
689 return AliKFParticleBase::GetR( R, SigmaR );
690}
691
f826d409 692inline Double_t & AliKFParticle::X()
693{
694 return AliKFParticleBase::X();
695}
696
697inline Double_t & AliKFParticle::Y()
698{
699 return AliKFParticleBase::Y();
700}
701
702inline Double_t & AliKFParticle::Z()
703{
704 return AliKFParticleBase::Z();
705}
706
707inline Double_t & AliKFParticle::Px()
708{
709 return AliKFParticleBase::Px();
710}
711
712inline Double_t & AliKFParticle::Py()
713{
714 return AliKFParticleBase::Py();
715}
716
717inline Double_t & AliKFParticle::Pz()
718{
719 return AliKFParticleBase::Pz();
720}
721
722inline Double_t & AliKFParticle::E()
723{
724 return AliKFParticleBase::E();
725}
726
727inline Double_t & AliKFParticle::S()
728{
729 return AliKFParticleBase::S();
730}
731
732inline Int_t & AliKFParticle::Q()
733{
734 return AliKFParticleBase::Q();
735}
736
737inline Double_t & AliKFParticle::Chi2()
738{
739 return AliKFParticleBase::Chi2();
740}
741
742inline Int_t & AliKFParticle::NDF()
743{
744 return AliKFParticleBase::NDF();
745}
746
747inline Double_t & AliKFParticle::Parameter ( int i )
748{
749 return AliKFParticleBase::Parameter(i);
750}
751
752inline Double_t & AliKFParticle::Covariance( int i )
753{
754 return AliKFParticleBase::Covariance(i);
755}
756
757inline Double_t & AliKFParticle::Covariance( int i, int j )
758{
759 return AliKFParticleBase::Covariance(i,j);
760}
761
bb4bc052 762inline Double_t * AliKFParticle::Parameters ()
763{
764 return fP;
765}
766
767inline Double_t * AliKFParticle::CovarianceMatrix()
768{
769 return fC;
770}
771
f826d409 772
773inline void AliKFParticle::operator +=( const AliKFParticle &Daughter )
774{
775 AliKFParticleBase::operator +=( Daughter );
776}
777
f826d409 778
779inline void AliKFParticle::AddDaughter( const AliKFParticle &Daughter )
780{
781 AliKFParticleBase::AddDaughter( Daughter );
782}
783
784inline void AliKFParticle::SetProductionVertex( const AliKFParticle &Vtx )
785{
786 AliKFParticleBase::SetProductionVertex( Vtx );
787}
788
e7b09c95 789inline void AliKFParticle::SetMassConstraint( Double_t Mass, Double_t SigmaMass )
f826d409 790{
e7b09c95 791 AliKFParticleBase::SetMassConstraint( Mass, SigmaMass );
f826d409 792}
e7b09c95 793
794inline void AliKFParticle::SetNoDecayLength()
795{
796 AliKFParticleBase::SetNoDecayLength();
797}
798
f826d409 799inline void AliKFParticle::Construct( const AliKFParticle *vDaughters[], int NDaughters,
706952f5 800 const AliKFParticle *ProdVtx, Double_t Mass, Bool_t IsConstrained )
f826d409 801{
802 AliKFParticleBase::Construct( ( const AliKFParticleBase**)vDaughters, NDaughters,
706952f5 803 ( const AliKFParticleBase*)ProdVtx, Mass, IsConstrained );
f826d409 804}
805
806inline void AliKFParticle::TransportToDecayVertex()
807{
808 AliKFParticleBase::TransportToDecayVertex();
809}
810
811inline void AliKFParticle::TransportToProductionVertex()
812{
813 AliKFParticleBase::TransportToProductionVertex();
814}
815
816inline void AliKFParticle::TransportToPoint( const Double_t xyz[] )
817{
818 TransportToDS( GetDStoPoint(xyz) );
819}
820
706952f5 821inline void AliKFParticle::TransportToVertex( const AliVVertex &v )
f826d409 822{
4bbc290d 823 TransportToPoint( AliKFParticle(v).fP );
f826d409 824}
825
826inline void AliKFParticle::TransportToParticle( const AliKFParticle &p )
827{
828 Double_t dS, dSp;
829 GetDStoParticle( p, dS, dSp );
830 TransportToDS( dS );
831}
832
833inline void AliKFParticle::TransportToDS( Double_t dS )
834{
835 AliKFParticleBase::TransportToDS( dS );
836}
837
838inline Double_t AliKFParticle::GetDStoPoint( const Double_t xyz[] ) const
839{
840 return AliKFParticleBase::GetDStoPointBz( GetFieldAlice(), xyz );
841}
4bbc290d 842
f826d409 843
844inline void AliKFParticle::GetDStoParticle( const AliKFParticle &p,
4bbc290d 845 Double_t &DS, Double_t &DSp ) const
f826d409 846{
e7b09c95 847 GetDStoParticleXY( p, DS, DSp );
f826d409 848}
849
850
851inline Double_t AliKFParticle::GetDistanceFromVertex( const Double_t vtx[] ) const
852{
853 return AliKFParticleBase::GetDistanceFromVertex( vtx );
854}
855
856inline Double_t AliKFParticle::GetDeviationFromVertex( const Double_t v[],
857 const Double_t Cv[] ) const
858{
859 return AliKFParticleBase::GetDeviationFromVertex( v, Cv);
860}
861
862inline Double_t AliKFParticle::GetDistanceFromVertex( const AliKFParticle &Vtx ) const
863{
864 return AliKFParticleBase::GetDistanceFromVertex( Vtx );
865}
866
867inline Double_t AliKFParticle::GetDeviationFromVertex( const AliKFParticle &Vtx ) const
868{
869 return AliKFParticleBase::GetDeviationFromVertex( Vtx );
870}
871
706952f5 872inline Double_t AliKFParticle::GetDistanceFromVertex( const AliVVertex &Vtx ) const
f826d409 873{
4bbc290d 874 return GetDistanceFromVertex( AliKFParticle(Vtx) );
f826d409 875}
876
706952f5 877inline Double_t AliKFParticle::GetDeviationFromVertex( const AliVVertex &Vtx ) const
f826d409 878{
4bbc290d 879 return GetDeviationFromVertex( AliKFParticle(Vtx) );
f826d409 880}
446ce366 881
f826d409 882inline Double_t AliKFParticle::GetDistanceFromParticle( const AliKFParticle &p ) const
883{
616ffc76 884 return AliKFParticleBase::GetDistanceFromParticle( p );
f826d409 885}
886
887inline Double_t AliKFParticle::GetDeviationFromParticle( const AliKFParticle &p ) const
888{
616ffc76 889 return AliKFParticleBase::GetDeviationFromParticle( p );
f826d409 890}
891
892inline void AliKFParticle::SubtractFromVertex( AliKFParticle &v ) const
893{
de0d0ceb 894 AliKFParticleBase::SubtractFromVertex( v );
f826d409 895}
896
4bbc290d 897inline Double_t AliKFParticle::GetFieldAlice()
f826d409 898{
4bbc290d 899 return fgBz;
f826d409 900}
901
902inline void AliKFParticle::GetFieldValue( const Double_t * /*xyz*/, Double_t B[] ) const
903{
904 B[0] = B[1] = 0;
905 B[2] = GetFieldAlice();
906}
907
908inline void AliKFParticle::GetDStoParticle( const AliKFParticleBase &p,
4bbc290d 909 Double_t &DS, Double_t &DSp )const
f826d409 910{
e7b09c95 911 GetDStoParticleXY( p, DS, DSp );
912}
913
914inline void AliKFParticle::GetDStoParticleXY( const AliKFParticleBase &p,
915 Double_t &DS, Double_t &DSp ) const
916{
917 AliKFParticleBase::GetDStoParticleBz( GetFieldAlice(), p, DS, DSp ) ;
706952f5 918 //GetDStoParticleALICE( p, DS, DSp ) ;
f826d409 919}
920
921inline void AliKFParticle::Transport( Double_t dS, Double_t P[], Double_t C[] ) const
922{
923 AliKFParticleBase::TransportBz( GetFieldAlice(), dS, P, C );
924}
925
a65041d0 926inline void AliKFParticle::ConstructGamma( const AliKFParticle &daughter1,
927 const AliKFParticle &daughter2 )
928{
929 AliKFParticleBase::ConstructGammaBz( daughter1, daughter2, GetFieldAlice() );
930}
931
f826d409 932#endif