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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 © 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 | 24 | class AliVTrack; |
cfb5a2e1 | 25 | class AliVVertex; |
f826d409 | 26 | |
f826d409 | 27 | class 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 | ||
537b06a4 | 50 | AliKFParticle( const AliKFParticle &d1, const AliKFParticle &d2, Bool_t gamma = kFALSE ); |
616ffc76 | 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 | 340 | inline void AliKFParticle::SetField( Double_t Bz ) |
341 | { | |
de0d0ceb | 342 | fgBz = Bz; |
4bbc290d | 343 | } |
f826d409 | 344 | |
616ffc76 | 345 | inline AliKFParticle::AliKFParticle( const AliKFParticle &d1, |
346 | const AliKFParticle &d2, | |
347 | const AliKFParticle &d3 ) | |
348 | { | |
349 | AliKFParticle mother; | |
350 | mother+= d1; | |
351 | mother+= d2; | |
352 | mother+= d3; | |
353 | *this = mother; | |
354 | } | |
355 | ||
356 | inline AliKFParticle::AliKFParticle( const AliKFParticle &d1, | |
357 | const AliKFParticle &d2, | |
358 | const AliKFParticle &d3, | |
359 | const AliKFParticle &d4 ) | |
360 | { | |
361 | AliKFParticle mother; | |
362 | mother+= d1; | |
363 | mother+= d2; | |
364 | mother+= d3; | |
365 | mother+= d4; | |
366 | *this = mother; | |
367 | } | |
368 | ||
369 | ||
f826d409 | 370 | inline void AliKFParticle::Initialize() |
371 | { | |
372 | AliKFParticleBase::Initialize(); | |
373 | } | |
374 | ||
375 | inline void AliKFParticle::SetVtxGuess( Double_t x, Double_t y, Double_t z ) | |
376 | { | |
377 | AliKFParticleBase::SetVtxGuess(x,y,z); | |
378 | } | |
379 | ||
380 | inline Double_t AliKFParticle::GetX () const | |
381 | { | |
382 | return AliKFParticleBase::GetX(); | |
383 | } | |
384 | ||
385 | inline Double_t AliKFParticle::GetY () const | |
386 | { | |
387 | return AliKFParticleBase::GetY(); | |
388 | } | |
389 | ||
390 | inline Double_t AliKFParticle::GetZ () const | |
391 | { | |
392 | return AliKFParticleBase::GetZ(); | |
393 | } | |
394 | ||
395 | inline Double_t AliKFParticle::GetPx () const | |
396 | { | |
397 | return AliKFParticleBase::GetPx(); | |
398 | } | |
399 | ||
400 | inline Double_t AliKFParticle::GetPy () const | |
401 | { | |
402 | return AliKFParticleBase::GetPy(); | |
403 | } | |
404 | ||
405 | inline Double_t AliKFParticle::GetPz () const | |
406 | { | |
407 | return AliKFParticleBase::GetPz(); | |
408 | } | |
409 | ||
410 | inline Double_t AliKFParticle::GetE () const | |
411 | { | |
412 | return AliKFParticleBase::GetE(); | |
413 | } | |
414 | ||
415 | inline Double_t AliKFParticle::GetS () const | |
416 | { | |
417 | return AliKFParticleBase::GetS(); | |
418 | } | |
419 | ||
420 | inline Int_t AliKFParticle::GetQ () const | |
421 | { | |
422 | return AliKFParticleBase::GetQ(); | |
423 | } | |
424 | ||
425 | inline Double_t AliKFParticle::GetChi2 () const | |
426 | { | |
427 | return AliKFParticleBase::GetChi2(); | |
428 | } | |
429 | ||
430 | inline Int_t AliKFParticle::GetNDF () const | |
431 | { | |
432 | return AliKFParticleBase::GetNDF(); | |
433 | } | |
434 | ||
435 | inline Double_t AliKFParticle::GetParameter ( int i ) const | |
436 | { | |
437 | return AliKFParticleBase::GetParameter(i); | |
438 | } | |
439 | ||
440 | inline Double_t AliKFParticle::GetCovariance( int i ) const | |
441 | { | |
442 | return AliKFParticleBase::GetCovariance(i); | |
443 | } | |
444 | ||
445 | inline Double_t AliKFParticle::GetCovariance( int i, int j ) const | |
446 | { | |
447 | return AliKFParticleBase::GetCovariance(i,j); | |
448 | } | |
449 | ||
e7b09c95 | 450 | |
706952f5 | 451 | inline Double_t AliKFParticle::GetP () const |
452 | { | |
453 | Double_t par, err; | |
454 | if( AliKFParticleBase::GetMomentum( par, err ) ) return 0; | |
455 | else return par; | |
456 | } | |
457 | ||
458 | inline Double_t AliKFParticle::GetPt () const | |
459 | { | |
460 | Double_t par, err; | |
461 | if( AliKFParticleBase::GetPt( par, err ) ) return 0; | |
462 | else return par; | |
463 | } | |
464 | ||
465 | inline Double_t AliKFParticle::GetEta () const | |
466 | { | |
467 | Double_t par, err; | |
468 | if( AliKFParticleBase::GetEta( par, err ) ) return 0; | |
469 | else return par; | |
470 | } | |
471 | ||
472 | inline Double_t AliKFParticle::GetPhi () const | |
473 | { | |
474 | Double_t par, err; | |
475 | if( AliKFParticleBase::GetPhi( par, err ) ) return 0; | |
476 | else return par; | |
477 | } | |
478 | ||
e7b09c95 | 479 | inline Double_t AliKFParticle::GetMomentum () const |
480 | { | |
481 | Double_t par, err; | |
482 | if( AliKFParticleBase::GetMomentum( par, err ) ) return 0; | |
483 | else return par; | |
484 | } | |
485 | ||
486 | inline Double_t AliKFParticle::GetMass () const | |
487 | { | |
488 | Double_t par, err; | |
489 | if( AliKFParticleBase::GetMass( par, err ) ) return 0; | |
490 | else return par; | |
491 | } | |
492 | ||
493 | inline Double_t AliKFParticle::GetDecayLength () const | |
494 | { | |
495 | Double_t par, err; | |
496 | if( AliKFParticleBase::GetDecayLength( par, err ) ) return 0; | |
497 | else return par; | |
498 | } | |
499 | ||
446ce366 | 500 | inline Double_t AliKFParticle::GetDecayLengthXY () const |
501 | { | |
502 | Double_t par, err; | |
503 | if( AliKFParticleBase::GetDecayLengthXY( par, err ) ) return 0; | |
504 | else return par; | |
505 | } | |
506 | ||
e7b09c95 | 507 | inline Double_t AliKFParticle::GetLifeTime () const |
508 | { | |
509 | Double_t par, err; | |
510 | if( AliKFParticleBase::GetLifeTime( par, err ) ) return 0; | |
511 | else return par; | |
512 | } | |
513 | ||
706952f5 | 514 | inline Double_t AliKFParticle::GetR () const |
515 | { | |
516 | Double_t par, err; | |
517 | if( AliKFParticleBase::GetR( par, err ) ) return 0; | |
518 | else return par; | |
519 | } | |
520 | ||
e7b09c95 | 521 | inline Double_t AliKFParticle::GetErrX () const |
522 | { | |
523 | return TMath::Sqrt(TMath::Abs( GetCovariance(0,0) )); | |
524 | } | |
525 | ||
526 | inline Double_t AliKFParticle::GetErrY () const | |
527 | { | |
528 | return TMath::Sqrt(TMath::Abs( GetCovariance(1,1) )); | |
529 | } | |
530 | ||
531 | inline Double_t AliKFParticle::GetErrZ () const | |
532 | { | |
533 | return TMath::Sqrt(TMath::Abs( GetCovariance(2,2) )); | |
534 | } | |
535 | ||
536 | inline Double_t AliKFParticle::GetErrPx () const | |
537 | { | |
538 | return TMath::Sqrt(TMath::Abs( GetCovariance(3,3) )); | |
539 | } | |
540 | ||
541 | inline Double_t AliKFParticle::GetErrPy () const | |
542 | { | |
543 | return TMath::Sqrt(TMath::Abs( GetCovariance(4,4) )); | |
544 | } | |
545 | ||
546 | inline Double_t AliKFParticle::GetErrPz () const | |
547 | { | |
548 | return TMath::Sqrt(TMath::Abs( GetCovariance(5,5) )); | |
549 | } | |
550 | ||
551 | inline Double_t AliKFParticle::GetErrE () const | |
552 | { | |
553 | return TMath::Sqrt(TMath::Abs( GetCovariance(6,6) )); | |
554 | } | |
555 | ||
556 | inline Double_t AliKFParticle::GetErrS () const | |
557 | { | |
558 | return TMath::Sqrt(TMath::Abs( GetCovariance(7,7) )); | |
559 | } | |
560 | ||
706952f5 | 561 | inline Double_t AliKFParticle::GetErrP () const |
562 | { | |
563 | Double_t par, err; | |
564 | if( AliKFParticleBase::GetMomentum( par, err ) ) return 1.e10; | |
565 | else return err; | |
566 | } | |
567 | ||
568 | inline Double_t AliKFParticle::GetErrPt () const | |
569 | { | |
570 | Double_t par, err; | |
571 | if( AliKFParticleBase::GetPt( par, err ) ) return 1.e10; | |
572 | else return err; | |
573 | } | |
574 | ||
575 | inline Double_t AliKFParticle::GetErrEta () const | |
576 | { | |
577 | Double_t par, err; | |
578 | if( AliKFParticleBase::GetEta( par, err ) ) return 1.e10; | |
579 | else return err; | |
580 | } | |
581 | ||
582 | inline Double_t AliKFParticle::GetErrPhi () const | |
583 | { | |
584 | Double_t par, err; | |
585 | if( AliKFParticleBase::GetPhi( par, err ) ) return 1.e10; | |
586 | else return err; | |
587 | } | |
588 | ||
e7b09c95 | 589 | inline Double_t AliKFParticle::GetErrMomentum () const |
590 | { | |
591 | Double_t par, err; | |
592 | if( AliKFParticleBase::GetMomentum( par, err ) ) return 1.e10; | |
593 | else return err; | |
594 | } | |
595 | ||
596 | inline Double_t AliKFParticle::GetErrMass () const | |
597 | { | |
598 | Double_t par, err; | |
599 | if( AliKFParticleBase::GetMass( par, err ) ) return 1.e10; | |
600 | else return err; | |
601 | } | |
602 | ||
603 | inline Double_t AliKFParticle::GetErrDecayLength () const | |
604 | { | |
605 | Double_t par, err; | |
606 | if( AliKFParticleBase::GetDecayLength( par, err ) ) return 1.e10; | |
607 | else return err; | |
608 | } | |
609 | ||
446ce366 | 610 | inline Double_t AliKFParticle::GetErrDecayLengthXY () const |
611 | { | |
612 | Double_t par, err; | |
613 | if( AliKFParticleBase::GetDecayLengthXY( par, err ) ) return 1.e10; | |
614 | else return err; | |
615 | } | |
616 | ||
e7b09c95 | 617 | inline Double_t AliKFParticle::GetErrLifeTime () const |
618 | { | |
619 | Double_t par, err; | |
620 | if( AliKFParticleBase::GetLifeTime( par, err ) ) return 1.e10; | |
621 | else return err; | |
622 | } | |
623 | ||
706952f5 | 624 | inline Double_t AliKFParticle::GetErrR () const |
625 | { | |
626 | Double_t par, err; | |
627 | if( AliKFParticleBase::GetR( par, err ) ) return 1.e10; | |
628 | else return err; | |
629 | } | |
630 | ||
631 | ||
632 | inline int AliKFParticle::GetP( Double_t &P, Double_t &SigmaP ) const | |
633 | { | |
634 | return AliKFParticleBase::GetMomentum( P, SigmaP ); | |
635 | } | |
636 | ||
637 | inline int AliKFParticle::GetPt( Double_t &Pt, Double_t &SigmaPt ) const | |
638 | { | |
639 | return AliKFParticleBase::GetPt( Pt, SigmaPt ); | |
640 | } | |
641 | ||
642 | inline int AliKFParticle::GetEta( Double_t &Eta, Double_t &SigmaEta ) const | |
643 | { | |
644 | return AliKFParticleBase::GetEta( Eta, SigmaEta ); | |
645 | } | |
646 | ||
647 | inline int AliKFParticle::GetPhi( Double_t &Phi, Double_t &SigmaPhi ) const | |
648 | { | |
649 | return AliKFParticleBase::GetPhi( Phi, SigmaPhi ); | |
650 | } | |
e7b09c95 | 651 | |
f826d409 | 652 | inline int AliKFParticle::GetMomentum( Double_t &P, Double_t &SigmaP ) const |
653 | { | |
654 | return AliKFParticleBase::GetMomentum( P, SigmaP ); | |
655 | } | |
656 | ||
657 | inline int AliKFParticle::GetMass( Double_t &M, Double_t &SigmaM ) const | |
658 | { | |
659 | return AliKFParticleBase::GetMass( M, SigmaM ); | |
660 | } | |
661 | ||
662 | inline int AliKFParticle::GetDecayLength( Double_t &L, Double_t &SigmaL ) const | |
663 | { | |
664 | return AliKFParticleBase::GetDecayLength( L, SigmaL ); | |
665 | } | |
666 | ||
446ce366 | 667 | inline int AliKFParticle::GetDecayLengthXY( Double_t &L, Double_t &SigmaL ) const |
668 | { | |
669 | return AliKFParticleBase::GetDecayLengthXY( L, SigmaL ); | |
670 | } | |
671 | ||
f826d409 | 672 | inline int AliKFParticle::GetLifeTime( Double_t &T, Double_t &SigmaT ) const |
673 | { | |
674 | return AliKFParticleBase::GetLifeTime( T, SigmaT ); | |
675 | } | |
676 | ||
706952f5 | 677 | inline int AliKFParticle::GetR( Double_t &R, Double_t &SigmaR ) const |
678 | { | |
679 | return AliKFParticleBase::GetR( R, SigmaR ); | |
680 | } | |
681 | ||
f826d409 | 682 | inline Double_t & AliKFParticle::X() |
683 | { | |
684 | return AliKFParticleBase::X(); | |
685 | } | |
686 | ||
687 | inline Double_t & AliKFParticle::Y() | |
688 | { | |
689 | return AliKFParticleBase::Y(); | |
690 | } | |
691 | ||
692 | inline Double_t & AliKFParticle::Z() | |
693 | { | |
694 | return AliKFParticleBase::Z(); | |
695 | } | |
696 | ||
697 | inline Double_t & AliKFParticle::Px() | |
698 | { | |
699 | return AliKFParticleBase::Px(); | |
700 | } | |
701 | ||
702 | inline Double_t & AliKFParticle::Py() | |
703 | { | |
704 | return AliKFParticleBase::Py(); | |
705 | } | |
706 | ||
707 | inline Double_t & AliKFParticle::Pz() | |
708 | { | |
709 | return AliKFParticleBase::Pz(); | |
710 | } | |
711 | ||
712 | inline Double_t & AliKFParticle::E() | |
713 | { | |
714 | return AliKFParticleBase::E(); | |
715 | } | |
716 | ||
717 | inline Double_t & AliKFParticle::S() | |
718 | { | |
719 | return AliKFParticleBase::S(); | |
720 | } | |
721 | ||
722 | inline Int_t & AliKFParticle::Q() | |
723 | { | |
724 | return AliKFParticleBase::Q(); | |
725 | } | |
726 | ||
727 | inline Double_t & AliKFParticle::Chi2() | |
728 | { | |
729 | return AliKFParticleBase::Chi2(); | |
730 | } | |
731 | ||
732 | inline Int_t & AliKFParticle::NDF() | |
733 | { | |
734 | return AliKFParticleBase::NDF(); | |
735 | } | |
736 | ||
737 | inline Double_t & AliKFParticle::Parameter ( int i ) | |
738 | { | |
739 | return AliKFParticleBase::Parameter(i); | |
740 | } | |
741 | ||
742 | inline Double_t & AliKFParticle::Covariance( int i ) | |
743 | { | |
744 | return AliKFParticleBase::Covariance(i); | |
745 | } | |
746 | ||
747 | inline Double_t & AliKFParticle::Covariance( int i, int j ) | |
748 | { | |
749 | return AliKFParticleBase::Covariance(i,j); | |
750 | } | |
751 | ||
bb4bc052 | 752 | inline Double_t * AliKFParticle::Parameters () |
753 | { | |
754 | return fP; | |
755 | } | |
756 | ||
757 | inline Double_t * AliKFParticle::CovarianceMatrix() | |
758 | { | |
759 | return fC; | |
760 | } | |
761 | ||
f826d409 | 762 | |
763 | inline void AliKFParticle::operator +=( const AliKFParticle &Daughter ) | |
764 | { | |
765 | AliKFParticleBase::operator +=( Daughter ); | |
766 | } | |
767 | ||
f826d409 | 768 | |
769 | inline void AliKFParticle::AddDaughter( const AliKFParticle &Daughter ) | |
770 | { | |
771 | AliKFParticleBase::AddDaughter( Daughter ); | |
772 | } | |
773 | ||
774 | inline void AliKFParticle::SetProductionVertex( const AliKFParticle &Vtx ) | |
775 | { | |
776 | AliKFParticleBase::SetProductionVertex( Vtx ); | |
777 | } | |
778 | ||
e7b09c95 | 779 | inline void AliKFParticle::SetMassConstraint( Double_t Mass, Double_t SigmaMass ) |
f826d409 | 780 | { |
e7b09c95 | 781 | AliKFParticleBase::SetMassConstraint( Mass, SigmaMass ); |
f826d409 | 782 | } |
e7b09c95 | 783 | |
784 | inline void AliKFParticle::SetNoDecayLength() | |
785 | { | |
786 | AliKFParticleBase::SetNoDecayLength(); | |
787 | } | |
788 | ||
f826d409 | 789 | inline void AliKFParticle::Construct( const AliKFParticle *vDaughters[], int NDaughters, |
706952f5 | 790 | const AliKFParticle *ProdVtx, Double_t Mass, Bool_t IsConstrained ) |
f826d409 | 791 | { |
792 | AliKFParticleBase::Construct( ( const AliKFParticleBase**)vDaughters, NDaughters, | |
706952f5 | 793 | ( const AliKFParticleBase*)ProdVtx, Mass, IsConstrained ); |
f826d409 | 794 | } |
795 | ||
796 | inline void AliKFParticle::TransportToDecayVertex() | |
797 | { | |
798 | AliKFParticleBase::TransportToDecayVertex(); | |
799 | } | |
800 | ||
801 | inline void AliKFParticle::TransportToProductionVertex() | |
802 | { | |
803 | AliKFParticleBase::TransportToProductionVertex(); | |
804 | } | |
805 | ||
806 | inline void AliKFParticle::TransportToPoint( const Double_t xyz[] ) | |
807 | { | |
808 | TransportToDS( GetDStoPoint(xyz) ); | |
809 | } | |
810 | ||
706952f5 | 811 | inline void AliKFParticle::TransportToVertex( const AliVVertex &v ) |
f826d409 | 812 | { |
4bbc290d | 813 | TransportToPoint( AliKFParticle(v).fP ); |
f826d409 | 814 | } |
815 | ||
816 | inline void AliKFParticle::TransportToParticle( const AliKFParticle &p ) | |
817 | { | |
818 | Double_t dS, dSp; | |
819 | GetDStoParticle( p, dS, dSp ); | |
820 | TransportToDS( dS ); | |
821 | } | |
822 | ||
823 | inline void AliKFParticle::TransportToDS( Double_t dS ) | |
824 | { | |
825 | AliKFParticleBase::TransportToDS( dS ); | |
826 | } | |
827 | ||
828 | inline Double_t AliKFParticle::GetDStoPoint( const Double_t xyz[] ) const | |
829 | { | |
830 | return AliKFParticleBase::GetDStoPointBz( GetFieldAlice(), xyz ); | |
831 | } | |
4bbc290d | 832 | |
f826d409 | 833 | |
834 | inline void AliKFParticle::GetDStoParticle( const AliKFParticle &p, | |
4bbc290d | 835 | Double_t &DS, Double_t &DSp ) const |
f826d409 | 836 | { |
e7b09c95 | 837 | GetDStoParticleXY( p, DS, DSp ); |
f826d409 | 838 | } |
839 | ||
840 | ||
841 | inline Double_t AliKFParticle::GetDistanceFromVertex( const Double_t vtx[] ) const | |
842 | { | |
843 | return AliKFParticleBase::GetDistanceFromVertex( vtx ); | |
844 | } | |
845 | ||
846 | inline Double_t AliKFParticle::GetDeviationFromVertex( const Double_t v[], | |
847 | const Double_t Cv[] ) const | |
848 | { | |
849 | return AliKFParticleBase::GetDeviationFromVertex( v, Cv); | |
850 | } | |
851 | ||
852 | inline Double_t AliKFParticle::GetDistanceFromVertex( const AliKFParticle &Vtx ) const | |
853 | { | |
854 | return AliKFParticleBase::GetDistanceFromVertex( Vtx ); | |
855 | } | |
856 | ||
857 | inline Double_t AliKFParticle::GetDeviationFromVertex( const AliKFParticle &Vtx ) const | |
858 | { | |
859 | return AliKFParticleBase::GetDeviationFromVertex( Vtx ); | |
860 | } | |
861 | ||
706952f5 | 862 | inline Double_t AliKFParticle::GetDistanceFromVertex( const AliVVertex &Vtx ) const |
f826d409 | 863 | { |
4bbc290d | 864 | return GetDistanceFromVertex( AliKFParticle(Vtx) ); |
f826d409 | 865 | } |
866 | ||
706952f5 | 867 | inline Double_t AliKFParticle::GetDeviationFromVertex( const AliVVertex &Vtx ) const |
f826d409 | 868 | { |
4bbc290d | 869 | return GetDeviationFromVertex( AliKFParticle(Vtx) ); |
f826d409 | 870 | } |
446ce366 | 871 | |
f826d409 | 872 | inline Double_t AliKFParticle::GetDistanceFromParticle( const AliKFParticle &p ) const |
873 | { | |
616ffc76 | 874 | return AliKFParticleBase::GetDistanceFromParticle( p ); |
f826d409 | 875 | } |
876 | ||
877 | inline Double_t AliKFParticle::GetDeviationFromParticle( const AliKFParticle &p ) const | |
878 | { | |
616ffc76 | 879 | return AliKFParticleBase::GetDeviationFromParticle( p ); |
f826d409 | 880 | } |
881 | ||
882 | inline void AliKFParticle::SubtractFromVertex( AliKFParticle &v ) const | |
883 | { | |
de0d0ceb | 884 | AliKFParticleBase::SubtractFromVertex( v ); |
f826d409 | 885 | } |
886 | ||
4bbc290d | 887 | inline Double_t AliKFParticle::GetFieldAlice() |
f826d409 | 888 | { |
4bbc290d | 889 | return fgBz; |
f826d409 | 890 | } |
891 | ||
892 | inline void AliKFParticle::GetFieldValue( const Double_t * /*xyz*/, Double_t B[] ) const | |
893 | { | |
894 | B[0] = B[1] = 0; | |
895 | B[2] = GetFieldAlice(); | |
896 | } | |
897 | ||
898 | inline void AliKFParticle::GetDStoParticle( const AliKFParticleBase &p, | |
4bbc290d | 899 | Double_t &DS, Double_t &DSp )const |
f826d409 | 900 | { |
e7b09c95 | 901 | GetDStoParticleXY( p, DS, DSp ); |
902 | } | |
903 | ||
904 | inline void AliKFParticle::GetDStoParticleXY( const AliKFParticleBase &p, | |
905 | Double_t &DS, Double_t &DSp ) const | |
906 | { | |
907 | AliKFParticleBase::GetDStoParticleBz( GetFieldAlice(), p, DS, DSp ) ; | |
706952f5 | 908 | //GetDStoParticleALICE( p, DS, DSp ) ; |
f826d409 | 909 | } |
910 | ||
911 | inline void AliKFParticle::Transport( Double_t dS, Double_t P[], Double_t C[] ) const | |
912 | { | |
913 | AliKFParticleBase::TransportBz( GetFieldAlice(), dS, P, C ); | |
914 | } | |
915 | ||
a65041d0 | 916 | inline void AliKFParticle::ConstructGamma( const AliKFParticle &daughter1, |
917 | const AliKFParticle &daughter2 ) | |
918 | { | |
919 | AliKFParticleBase::ConstructGammaBz( daughter1, daughter2, GetFieldAlice() ); | |
920 | } | |
921 | ||
f826d409 | 922 | #endif |