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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 | ||
16 | /* $Id: AliTRDtrackletGTU.cxx 28397 2008-09-02 09:33:00Z cblume $ */ | |
17 | ||
18 | //////////////////////////////////////////////////////////////////////////// | |
19 | // // | |
20 | // GTU tracklet // | |
21 | // // | |
22 | // Author: J. Klein (Jochen.Klein@cern.ch) // | |
23 | // // | |
24 | //////////////////////////////////////////////////////////////////////////// | |
25 | ||
26 | #include "TMath.h" | |
27 | #include "TClass.h" | |
28 | ||
29 | #include "AliTRDtrackletGTU.h" | |
30 | #include "AliTRDtrackletWord.h" | |
31 | #include "AliTRDtrackletMCM.h" | |
32 | #include "AliLog.h" | |
33 | #include "AliTRDgtuParam.h" | |
34 | #include "AliTRDgeometry.h" | |
35 | #include "AliTRDpadPlane.h" | |
36 | ||
37 | ClassImp(AliTRDtrackletGTU) | |
38 | ||
39 | AliTRDtrackletBase* AliTRDtrackletGTU::fgkDummyTracklet = new AliTRDtrackletWord(0); | |
40 | ||
41 | AliTRDtrackletGTU::AliTRDtrackletGTU() : | |
42 | AliTRDtrackletBase(), | |
43 | fGtuParam(AliTRDgtuParam::Instance()), | |
44 | fTracklet(fgkDummyTracklet), | |
45 | fTrackletESD(0x0), | |
46 | fAssignedZ(kFALSE), | |
47 | fAlpha(0), | |
48 | fYProj(0), | |
49 | fYPrime(0), | |
50 | fIndex(0) | |
51 | { | |
52 | // ctor for any tracklet deriving from AliTRDtrackletBase | |
53 | ||
54 | for (Int_t zch = 0; zch < fGtuParam->GetNZChannels(); zch++) | |
55 | fSubChannel[zch] = 0; | |
56 | } | |
57 | ||
58 | AliTRDtrackletGTU::AliTRDtrackletGTU(AliTRDtrackletBase *tracklet) : | |
59 | AliTRDtrackletBase(*tracklet), | |
60 | fGtuParam(AliTRDgtuParam::Instance()), | |
61 | fTracklet(fgkDummyTracklet), | |
62 | fTrackletESD(0x0), | |
63 | fAssignedZ(kFALSE), | |
64 | fAlpha(0), | |
65 | fYProj(0), | |
66 | fYPrime(0), | |
67 | fIndex(0) | |
68 | { | |
69 | // ctor for any tracklet deriving from AliTRDtrackletBase | |
70 | ||
71 | for (Int_t zch = 0; zch < fGtuParam->GetNZChannels(); zch++) | |
72 | fSubChannel[zch] = 0; | |
73 | fTracklet = tracklet; | |
74 | if ( fTracklet->IsA() == TClass::GetClass("AliTRDtrackletMCM")) { | |
75 | AliDebug(5,Form("label from mcm tracklet: %i", ((AliTRDtrackletMCM*) fTracklet)->GetLabel())); | |
76 | } | |
77 | } | |
78 | ||
79 | AliTRDtrackletGTU::AliTRDtrackletGTU(AliESDTrdTracklet *tracklet) : | |
80 | AliTRDtrackletBase(), | |
81 | fGtuParam(AliTRDgtuParam::Instance()), | |
82 | fTracklet(fgkDummyTracklet), | |
83 | fTrackletESD(tracklet), | |
84 | fAssignedZ(kFALSE), | |
85 | fAlpha(0), | |
86 | fYProj(0), | |
87 | fYPrime(0), | |
88 | fIndex(0) | |
89 | { | |
90 | // ctor for an AliESDTrdTracklet | |
91 | ||
92 | for (Int_t zch = 0; zch < fGtuParam->GetNZChannels(); zch++) | |
93 | fSubChannel[zch] = 0; | |
94 | } | |
95 | ||
96 | AliTRDtrackletGTU::AliTRDtrackletGTU(const AliTRDtrackletGTU& tracklet) : | |
97 | AliTRDtrackletBase(tracklet), | |
98 | fGtuParam(AliTRDgtuParam::Instance()), | |
99 | fTracklet(tracklet.fTracklet), | |
100 | fTrackletESD(tracklet.fTrackletESD), | |
101 | fAssignedZ(tracklet.fAssignedZ), | |
102 | fAlpha(tracklet.fAlpha), | |
103 | fYProj(tracklet.fYProj), | |
104 | fYPrime(tracklet.fYPrime), | |
105 | fIndex(tracklet.fIndex) | |
106 | { | |
107 | // copy ctor | |
108 | ||
109 | for (Int_t zch = 0; zch < fGtuParam->GetNZChannels(); zch++) | |
110 | fSubChannel[zch] = tracklet.fSubChannel[zch]; | |
111 | } | |
112 | ||
113 | AliTRDtrackletGTU& AliTRDtrackletGTU::operator=(const AliTRDtrackletGTU &rhs) | |
114 | { | |
115 | // assignment operator | |
116 | ||
117 | if (&rhs != this) { | |
118 | fTracklet = rhs.fTracklet; | |
119 | fTrackletESD = rhs.fTrackletESD; | |
120 | for (Int_t zch = 0; zch < fGtuParam->GetNZChannels(); zch++) | |
121 | fSubChannel[zch] = rhs.fSubChannel[zch]; | |
122 | fIndex = rhs.fIndex; | |
123 | fYPrime = rhs.fYPrime; | |
124 | fYProj = rhs.fYProj; | |
125 | fAlpha = rhs.fAlpha; | |
126 | fAssignedZ = rhs.fAssignedZ; | |
127 | } | |
128 | ||
129 | return *this; | |
130 | } | |
131 | ||
132 | AliTRDtrackletGTU::~AliTRDtrackletGTU() | |
133 | { | |
134 | // dtor | |
135 | } | |
136 | ||
137 | void AliTRDtrackletGTU::SetSubChannel(Int_t zch, Int_t subch) | |
138 | { | |
139 | // set the subchannel in the given z-channel | |
140 | fAssignedZ = kTRUE; | |
141 | fSubChannel[zch] = subch; | |
142 | } | |
143 | ||
144 | Int_t AliTRDtrackletGTU::GetSubChannel(Int_t zch) const | |
145 | { | |
146 | // get the subchannel in the given z-channel | |
147 | return fSubChannel[zch]; | |
148 | } | |
149 | ||
150 | Int_t AliTRDtrackletGTU::GetLabel() const | |
151 | { | |
152 | // get the MC label for the tracklet, -1 if none | |
153 | ||
154 | if (fTrackletESD) | |
155 | return fTrackletESD->GetLabel(); | |
156 | else if ( fTracklet->IsA() == TClass::GetClass("AliTRDtrackletMCM")) | |
157 | return ((AliTRDtrackletMCM*) fTracklet)->GetLabel(); | |
158 | else | |
159 | return -1; | |
160 | } | |
161 | ||
162 | /* | |
163 | Float_t AliTRDtrackletGTU::GetPhysX(Int_t layer) | |
164 | { | |
165 | // get the x-position (in the local system) assuming the tracklet is in the given layer | |
166 | return fGtuParam->GetGeo()->GetTime0(layer); | |
167 | } | |
168 | ||
169 | Float_t AliTRDtrackletGTU::GetPhysY() | |
170 | { | |
171 | // | |
172 | return GetYbin() * 0.0160; | |
173 | } | |
174 | ||
175 | Float_t AliTRDtrackletGTU::GetPhysAlpha() | |
176 | { | |
177 | return GetAlpha() * 0.01; // wrong factor! | |
178 | } | |
179 | ||
180 | Float_t AliTRDtrackletGTU::GetPhysZ(Int_t stack, Int_t layer) | |
181 | { | |
182 | return fGtuParam->GetGeo()->GetPadPlane(layer, stack)->GetRowPos(GetZbin()); // not the middle of a pad! | |
183 | } | |
184 | */ |