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6ad0bfa0 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
b2a60966 | 15 | /* $Id$ */ |
6ad0bfa0 | 16 | //_________________________________________________________________________ |
b2a60966 | 17 | // A Reconstructed Particle in PHOS |
2f04ed65 | 18 | // To become a general class of AliRoot ? |
19 | // Why should I put meaningless comments | |
20 | // just to satisfy | |
21 | // the code checker | |
b2a60966 | 22 | // |
23 | //*-- Author: Yves Schutz (SUBATECH) | |
24 | ||
6ad0bfa0 | 25 | |
26 | // --- ROOT system --- | |
27 | ||
28 | // --- Standard library --- | |
29 | ||
ed4205d8 | 30 | #include <assert.h> |
31 | ||
6ad0bfa0 | 32 | // --- AliRoot header files --- |
33 | ||
34 | #include "AliPHOSRecParticle.h" | |
15605d3c | 35 | #include "TPad.h" |
83974468 | 36 | #include "AliPHOSIndexToObject.h" |
6ad0bfa0 | 37 | |
38 | ClassImp(AliPHOSRecParticle) | |
39 | ||
40 | ||
41 | //____________________________________________________________________________ | |
42 | AliPHOSRecParticle::AliPHOSRecParticle(AliPHOSTrackSegment * ts) | |
43 | { | |
44 | // ctor | |
45 | ||
83974468 | 46 | fPHOSTrackSegment = ts->GetIndexInList() ; |
47 | fIndexInList = -1 ; | |
bd46e694 | 48 | Float_t kenergy = ts->GetEnergy() ; |
6ad0bfa0 | 49 | TVector3 momdir = ts->GetMomentumDirection() ; |
bd46e694 | 50 | fPx = kenergy * momdir.X() ; |
51 | fPy = kenergy * momdir.Y() ; | |
52 | fPz = kenergy * momdir.Z() ; | |
2aad621e | 53 | fType = kUNDEFINED; |
bd46e694 | 54 | fE = kenergy ; // !!! all particles have mass = 0 |
6ad0bfa0 | 55 | } |
56 | ||
a73f33f0 | 57 | //____________________________________________________________________________ |
58 | AliPHOSRecParticle::AliPHOSRecParticle(const AliPHOSRecParticle & rp) | |
59 | { | |
b2a60966 | 60 | // copy ctor |
61 | ||
83974468 | 62 | fPHOSTrackSegment = rp.fPHOSTrackSegment ; |
a73f33f0 | 63 | fType = rp.fType ; |
83974468 | 64 | fIndexInList = rp.fIndexInList ; |
b2a60966 | 65 | |
cafda784 | 66 | fPdgCode = rp.fPdgCode; |
67 | fStatusCode = rp.fStatusCode; | |
68 | fMother[0] = rp.fMother[0]; | |
69 | fMother[1] = rp.fMother[1]; | |
70 | fDaughter[0] = rp.fDaughter[0]; | |
71 | fDaughter[1] = rp.fDaughter[1]; | |
72 | fWeight = rp.fWeight; | |
73 | fCalcMass = rp.fCalcMass; | |
74 | fPx = rp.fPx; | |
75 | fPy = rp.fPy; | |
76 | fPz = rp.fPz; | |
77 | fE = rp.fE; | |
78 | fVx = rp.fVx; | |
79 | fVy = rp.fVy; | |
80 | fVz = rp.fVz; | |
81 | fVt = rp.fVt; | |
82 | fPolarTheta = rp.fPolarTheta; | |
83 | fPolarPhi = rp.fPolarPhi; | |
84 | fParticlePDG = rp.fParticlePDG; | |
a73f33f0 | 85 | } |
86 | ||
b2a60966 | 87 | //____________________________________________________________________________ |
88 | Int_t * AliPHOSRecParticle::GetPrimaries(Int_t & number) | |
89 | { | |
90 | // Retrieves all the primary particles at the origine of this reconstructed particle | |
91 | ||
83974468 | 92 | AliPHOSTrackSegment * ts = GetPHOSTrackSegment() ; |
93 | ||
b2a60966 | 94 | Int_t emcnumber = 0 ; |
83974468 | 95 | Int_t * emclist = ts->GetPrimariesEmc(emcnumber) ; |
b2a60966 | 96 | |
83974468 | 97 | Int_t ppsdlnumber = 0 ; |
98 | Int_t * ppsdllist = ts->GetPrimariesPpsdLow(ppsdlnumber) ; | |
b2a60966 | 99 | |
100 | Int_t ppsdunumber = 0 ; | |
83974468 | 101 | Int_t * ppsdulist = ts->GetPrimariesPpsdUp(ppsdunumber) ; |
b2a60966 | 102 | |
103 | number = emcnumber + ppsdlnumber + ppsdunumber ; | |
104 | Int_t * list = new Int_t[number] ; | |
105 | ||
106 | Int_t index ; | |
107 | for ( index = 0 ; index < emcnumber ; index++) | |
108 | list[index] = emclist[index] ; | |
109 | ||
110 | Int_t jndex ; | |
111 | for ( jndex = 0 ; jndex < ppsdlnumber ; jndex++) { | |
112 | assert(index < number) ; | |
113 | list[index] = ppsdllist[jndex] ; | |
114 | index++ ; | |
115 | } | |
116 | ||
117 | for ( jndex = 0 ; jndex < ppsdunumber ; jndex++) { | |
118 | assert(index < number) ; | |
119 | list[index] = ppsdulist[jndex] ; | |
120 | index++ ; | |
121 | } | |
122 | ||
b2a60966 | 123 | delete emclist ; |
124 | delete ppsdllist ; | |
125 | delete ppsdulist ; | |
126 | ||
127 | return list ; | |
128 | } | |
83974468 | 129 | |
130 | //____________________________________________________________________________ | |
131 | AliPHOSTrackSegment * AliPHOSRecParticle::GetPHOSTrackSegment() const | |
132 | { | |
133 | // Retrieves the PHOS track segment at the origine of this reconstructed particle | |
134 | ||
135 | AliPHOSIndexToObject * please = AliPHOSIndexToObject::GetInstance() ; | |
136 | return please->GimeTrackSegment( fPHOSTrackSegment ) ; | |
137 | ||
138 | } | |
139 | ||
140 | ||
141 |