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1 | /************************************************************************** | |
2 | * Copyright(c) 2004, 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 | ||
16 | /* $Id$ */ | |
17 | ||
18 | //____________________________________________________________________ | |
19 | // | |
20 | // Hits in the FMD | |
21 | // | |
22 | // Latest changes by Christian Holm Christensen | |
23 | // | |
24 | #include "AliFMDHit.h" // ALIFMDHIT_H | |
25 | #include "AliLog.h" // ALILOG_H | |
26 | #include "Riostream.h" // ROOT_Riostream | |
27 | #include <TDatabasePDG.h> | |
28 | #include <TMath.h> | |
29 | #include <TString.h> | |
30 | ||
31 | //____________________________________________________________________ | |
32 | ClassImp(AliFMDHit) | |
33 | #if 0 | |
34 | ; // This is here to keep Emacs for indenting the next line | |
35 | #endif | |
36 | ||
37 | ||
38 | //____________________________________________________________________ | |
39 | AliFMDHit::AliFMDHit() | |
40 | : fDetector(0), | |
41 | fRing(0), | |
42 | fSector(0), | |
43 | fStrip('\0'), | |
44 | fPx(0), | |
45 | fPy(0), | |
46 | fPz(0), | |
47 | fPdg(0), | |
48 | fEdep(0), | |
49 | fTime(0) | |
50 | { | |
51 | fX = fY = fZ = 0; | |
52 | } | |
53 | ||
54 | ||
55 | //____________________________________________________________________ | |
56 | AliFMDHit::AliFMDHit(Int_t shunt, | |
57 | Int_t track, | |
58 | UShort_t detector, | |
59 | Char_t ring, | |
60 | UShort_t sector, | |
61 | UShort_t strip, | |
62 | Float_t x, | |
63 | Float_t y, | |
64 | Float_t z, | |
65 | Float_t px, | |
66 | Float_t py, | |
67 | Float_t pz, | |
68 | Float_t edep, | |
69 | Int_t pdg, | |
70 | Float_t t) | |
71 | : AliHit(shunt, track), | |
72 | fDetector(detector), | |
73 | fRing(ring), | |
74 | fSector(sector), | |
75 | fStrip(strip), | |
76 | fPx(px), | |
77 | fPy(py), | |
78 | fPz(pz), | |
79 | fPdg(pdg), | |
80 | fEdep(edep), | |
81 | fTime(t) | |
82 | { | |
83 | // Normal FMD hit ctor | |
84 | // | |
85 | // Parameters: | |
86 | // | |
87 | // shunt ??? | |
88 | // track Track # | |
89 | // detector Detector # (1, 2, or 3) | |
90 | // ring Ring ID ('I' or 'O') | |
91 | // sector Sector # (For inner/outer rings: 0-19/0-39) | |
92 | // strip Strip # (For inner/outer rings: 0-511/0-255) | |
93 | // x Track's X-coordinate at hit | |
94 | // y Track's Y-coordinate at hit | |
95 | // z Track's Z-coordinate at hit | |
96 | // px X-component of track's momentum | |
97 | // py Y-component of track's momentum | |
98 | // pz Z-component of track's momentum | |
99 | // edep Energy deposited by track | |
100 | // pdg Track's particle Id # | |
101 | // t Time when the track hit | |
102 | // | |
103 | fX = x; | |
104 | fY = y; | |
105 | fZ = z; | |
106 | } | |
107 | ||
108 | //____________________________________________________________________ | |
109 | Float_t | |
110 | AliFMDHit::P() const | |
111 | { | |
112 | // Get the momentum of the particle of the particle that made this | |
113 | // hit. | |
114 | return TMath::Sqrt(fPx * fPx + fPy * fPy + fPz * fPz); | |
115 | } | |
116 | ||
117 | //____________________________________________________________________ | |
118 | Float_t | |
119 | AliFMDHit::M() const | |
120 | { | |
121 | // Get the mass of the particle that made this hit. | |
122 | TDatabasePDG* pdgDB = TDatabasePDG::Instance(); | |
123 | TParticlePDG* pdg = pdgDB->GetParticle(fPdg); | |
124 | return (pdg ? pdg->Mass() : -1); | |
125 | } | |
126 | ||
127 | //____________________________________________________________________ | |
128 | Float_t | |
129 | AliFMDHit::Q() const | |
130 | { | |
131 | // Get the charge of the particle that made this hit. | |
132 | TDatabasePDG* pdgDB = TDatabasePDG::Instance(); | |
133 | TParticlePDG* pdg = pdgDB->GetParticle(fPdg); | |
134 | return (pdg ? pdg->Charge() : 0); | |
135 | } | |
136 | ||
137 | ||
138 | //____________________________________________________________________ | |
139 | void | |
140 | AliFMDHit::Print(Option_t* option) const | |
141 | { | |
142 | // Print Hit to standard out | |
143 | cout << "AliFMDHit: FMD" | |
144 | << fDetector << fRing << "[" | |
145 | << setw(3) << fSector << "," | |
146 | << setw(3) << fStrip << "] = " | |
147 | << fEdep << endl; | |
148 | TString opt(option); | |
149 | if (opt.Contains("D", TString::kIgnoreCase)) { | |
150 | TDatabasePDG* pdgDB = TDatabasePDG::Instance(); | |
151 | TParticlePDG* pdg = pdgDB->GetParticle(fPdg); | |
152 | cout << "\tPDG:\t" << fPdg << " " << (pdg ? pdg->GetName() : "?") << "\n" | |
153 | << "\tP:\t(" << fPx << "," << fPy << "," << fPz << ") "<<P() << "\n" | |
154 | << "\tX:\t" << fX << "," << fY << "," << fZ << "\n" | |
155 | << "\tTrack #:\t" << fTrack << std::endl; | |
156 | } | |
157 | } | |
158 | ||
159 | //____________________________________________________________________ | |
160 | // | |
161 | // EOF | |
162 | // |