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52c19022 | 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" | |
4cc89512 | 27 | #include "TClass.h" |
52c19022 | 28 | |
29 | #include "AliTRDtrackletGTU.h" | |
30 | #include "AliTRDtrackletWord.h" | |
4cc89512 | 31 | #include "AliTRDtrackletMCM.h" |
52c19022 | 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()), | |
44eafcf2 | 44 | fTracklet(fgkDummyTracklet), |
45 | fTrackletESD(0x0), | |
059f00c5 | 46 | fMCMtrackletIndex(-1), |
52c19022 | 47 | fAssignedZ(kFALSE), |
48 | fAlpha(0), | |
49 | fYProj(0), | |
50 | fYPrime(0), | |
51 | fIndex(0) | |
52 | { | |
53 | // ctor for any tracklet deriving from AliTRDtrackletBase | |
54 | ||
5f006bd7 | 55 | for (Int_t zch = 0; zch < fGtuParam->GetNZChannels(); zch++) |
52c19022 | 56 | fSubChannel[zch] = 0; |
57 | } | |
58 | ||
59 | AliTRDtrackletGTU::AliTRDtrackletGTU(AliTRDtrackletBase *tracklet) : | |
60 | AliTRDtrackletBase(*tracklet), | |
61 | fGtuParam(AliTRDgtuParam::Instance()), | |
44eafcf2 | 62 | fTracklet(fgkDummyTracklet), |
63 | fTrackletESD(0x0), | |
059f00c5 | 64 | fMCMtrackletIndex(-1), |
52c19022 | 65 | fAssignedZ(kFALSE), |
66 | fAlpha(0), | |
67 | fYProj(0), | |
68 | fYPrime(0), | |
69 | fIndex(0) | |
70 | { | |
71 | // ctor for any tracklet deriving from AliTRDtrackletBase | |
72 | ||
5f006bd7 | 73 | for (Int_t zch = 0; zch < fGtuParam->GetNZChannels(); zch++) |
52c19022 | 74 | fSubChannel[zch] = 0; |
75 | fTracklet = tracklet; | |
4cc89512 | 76 | if ( fTracklet->IsA() == TClass::GetClass("AliTRDtrackletMCM")) { |
c8b1590d | 77 | AliDebug(5,Form("label from mcm tracklet: %i", ((AliTRDtrackletMCM*) fTracklet)->GetLabel())); |
4cc89512 | 78 | } |
52c19022 | 79 | } |
80 | ||
44eafcf2 | 81 | AliTRDtrackletGTU::AliTRDtrackletGTU(AliESDTrdTracklet *tracklet) : |
82 | AliTRDtrackletBase(), | |
83 | fGtuParam(AliTRDgtuParam::Instance()), | |
84 | fTracklet(fgkDummyTracklet), | |
85 | fTrackletESD(tracklet), | |
059f00c5 | 86 | fMCMtrackletIndex(-1), // has to be set via SetMCMtrackletIndex() separately |
44eafcf2 | 87 | fAssignedZ(kFALSE), |
88 | fAlpha(0), | |
89 | fYProj(0), | |
90 | fYPrime(0), | |
91 | fIndex(0) | |
92 | { | |
93 | // ctor for an AliESDTrdTracklet | |
94 | ||
95 | for (Int_t zch = 0; zch < fGtuParam->GetNZChannels(); zch++) | |
96 | fSubChannel[zch] = 0; | |
97 | } | |
98 | ||
52c19022 | 99 | AliTRDtrackletGTU::AliTRDtrackletGTU(const AliTRDtrackletGTU& tracklet) : |
100 | AliTRDtrackletBase(tracklet), | |
101 | fGtuParam(AliTRDgtuParam::Instance()), | |
5f006bd7 | 102 | fTracklet(tracklet.fTracklet), |
44eafcf2 | 103 | fTrackletESD(tracklet.fTrackletESD), |
059f00c5 | 104 | fMCMtrackletIndex(tracklet.fMCMtrackletIndex), |
52c19022 | 105 | fAssignedZ(tracklet.fAssignedZ), |
106 | fAlpha(tracklet.fAlpha), | |
107 | fYProj(tracklet.fYProj), | |
5f006bd7 | 108 | fYPrime(tracklet.fYPrime), |
52c19022 | 109 | fIndex(tracklet.fIndex) |
110 | { | |
111 | // copy ctor | |
112 | ||
5f006bd7 | 113 | for (Int_t zch = 0; zch < fGtuParam->GetNZChannels(); zch++) |
52c19022 | 114 | fSubChannel[zch] = tracklet.fSubChannel[zch]; |
115 | } | |
116 | ||
117 | AliTRDtrackletGTU& AliTRDtrackletGTU::operator=(const AliTRDtrackletGTU &rhs) | |
118 | { | |
36dc3337 | 119 | // assignment operator |
120 | ||
52c19022 | 121 | if (&rhs != this) { |
122 | fTracklet = rhs.fTracklet; | |
44eafcf2 | 123 | fTrackletESD = rhs.fTrackletESD; |
059f00c5 | 124 | fMCMtrackletIndex = rhs.fMCMtrackletIndex; |
5f006bd7 | 125 | for (Int_t zch = 0; zch < fGtuParam->GetNZChannels(); zch++) |
52c19022 | 126 | fSubChannel[zch] = rhs.fSubChannel[zch]; |
127 | fIndex = rhs.fIndex; | |
128 | fYPrime = rhs.fYPrime; | |
129 | fYProj = rhs.fYProj; | |
130 | fAlpha = rhs.fAlpha; | |
131 | fAssignedZ = rhs.fAssignedZ; | |
132 | } | |
5f006bd7 | 133 | |
52c19022 | 134 | return *this; |
135 | } | |
136 | ||
5f006bd7 | 137 | AliTRDtrackletGTU::~AliTRDtrackletGTU() |
52c19022 | 138 | { |
139 | // dtor | |
52c19022 | 140 | } |
141 | ||
5f006bd7 | 142 | void AliTRDtrackletGTU::SetSubChannel(Int_t zch, Int_t subch) |
52c19022 | 143 | { |
144 | // set the subchannel in the given z-channel | |
145 | fAssignedZ = kTRUE; | |
146 | fSubChannel[zch] = subch; | |
147 | } | |
148 | ||
36dc3337 | 149 | Int_t AliTRDtrackletGTU::GetSubChannel(Int_t zch) const |
52c19022 | 150 | { |
151 | // get the subchannel in the given z-channel | |
152 | return fSubChannel[zch]; | |
153 | } | |
154 | ||
4cc89512 | 155 | Int_t AliTRDtrackletGTU::GetLabel() const |
156 | { | |
36dc3337 | 157 | // get the MC label for the tracklet, -1 if none |
158 | ||
44eafcf2 | 159 | if (fTrackletESD) |
160 | return fTrackletESD->GetLabel(); | |
161 | else if ( fTracklet->IsA() == TClass::GetClass("AliTRDtrackletMCM")) | |
162 | return ((AliTRDtrackletMCM*) fTracklet)->GetLabel(); | |
163 | else | |
164 | return -1; | |
4cc89512 | 165 | } |
166 | ||
52c19022 | 167 | /* |
5f006bd7 | 168 | Float_t AliTRDtrackletGTU::GetPhysX(Int_t layer) |
52c19022 | 169 | { |
170 | // get the x-position (in the local system) assuming the tracklet is in the given layer | |
171 | return fGtuParam->GetGeo()->GetTime0(layer); | |
172 | } | |
173 | ||
5f006bd7 | 174 | Float_t AliTRDtrackletGTU::GetPhysY() |
52c19022 | 175 | { |
5f006bd7 | 176 | // |
177 | return GetYbin() * 0.0160; | |
52c19022 | 178 | } |
179 | ||
5f006bd7 | 180 | Float_t AliTRDtrackletGTU::GetPhysAlpha() |
52c19022 | 181 | { |
182 | return GetAlpha() * 0.01; // wrong factor! | |
183 | } | |
184 | ||
5f006bd7 | 185 | Float_t AliTRDtrackletGTU::GetPhysZ(Int_t stack, Int_t layer) |
52c19022 | 186 | { |
187 | return fGtuParam->GetGeo()->GetPadPlane(layer, stack)->GetRowPos(GetZbin()); // not the middle of a pad! | |
188 | } | |
189 | */ |