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aab9c8d5 | 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 | **************************************************************************/ | |
15 | ||
116cbefd | 16 | |
aab9c8d5 | 17 | #include "AliTrackReference.h" |
2d74ba4f | 18 | #include "TParticle.h" |
19 | #include "AliRun.h" | |
20 | #include "TLorentzVector.h" | |
21 | ||
22 | // | |
23 | // Track Reference object is created every time particle is | |
24 | // crossing detector bounds. The object is created by Step Manager | |
25 | // | |
26 | // The class stores the following informations: | |
27 | // track label, | |
28 | // track position: X,Y,X | |
29 | // track momentum px, py, pz | |
30 | // track length and time of fligth: both in cm | |
31 | // status bits from Monte Carlo | |
32 | // | |
33 | ||
aab9c8d5 | 34 | |
35 | ClassImp(AliTrackReference) | |
36 | ||
e2afb3b6 | 37 | //_______________________________________________________________________ |
38 | AliTrackReference::AliTrackReference(): | |
39 | fTrack(0), | |
40 | fX(0), | |
41 | fY(0), | |
42 | fZ(0), | |
43 | fPx(0), | |
44 | fPy(0), | |
45 | fPz(0), | |
46 | fLength(0) | |
aab9c8d5 | 47 | { |
48 | // | |
49 | // Default constructor | |
2d74ba4f | 50 | // Creates empty object |
51 | ||
52 | for(Int_t i=0; i<16; i++) ResetBit(BIT(i)); | |
53 | } | |
54 | ||
55 | //_______________________________________________________________________ | |
56 | AliTrackReference::AliTrackReference(Int_t label, TVirtualMC *vMC) { | |
57 | // | |
58 | // Create Reference object out of label and | |
59 | // data in TVirtualMC object | |
60 | // | |
61 | // Creates an object and fill all parameters | |
62 | // from data in VirtualMC | |
aab9c8d5 | 63 | // |
2d74ba4f | 64 | // Sylwester Radomski, (S.Radomski@gsi.de) |
65 | // GSI, Jan 31, 2003 | |
66 | // | |
67 | ||
68 | TLorentzVector vec; | |
69 | ||
70 | fTrack = label; | |
71 | fLength = vMC->TrackLength(); | |
72 | fTime = vMC->TrackTime(); | |
73 | ||
74 | vMC->TrackPosition(vec); | |
75 | ||
76 | fX = vec[0]; | |
77 | fY = vec[1]; | |
78 | fZ = vec[2]; | |
79 | ||
80 | vMC->TrackMomentum(vec); | |
81 | ||
82 | fPx = vec[0]; | |
83 | fPy = vec[1]; | |
b745fc4c | 84 | fPz = vec[2]; |
2d74ba4f | 85 | |
86 | // Set Up status code | |
87 | // Copy Bits from virtual MC | |
88 | ||
89 | for(Int_t i=0; i<16; i++) ResetBit(BIT(i)); | |
90 | ||
91 | SetBit(BIT(0), vMC->IsNewTrack()); | |
92 | SetBit(BIT(1), vMC->IsTrackAlive()); | |
93 | SetBit(BIT(2), vMC->IsTrackDisappeared()); | |
94 | SetBit(BIT(3), vMC->IsTrackEntering()); | |
95 | SetBit(BIT(4), vMC->IsTrackExiting()); | |
96 | SetBit(BIT(5), vMC->IsTrackInside()); | |
97 | SetBit(BIT(6), vMC->IsTrackOut()); | |
98 | SetBit(BIT(7), vMC->IsTrackStop()); | |
aab9c8d5 | 99 | } |
2d74ba4f | 100 | //_______________________________________________________________________ |