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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 | ||
6170d369 | 39 | AliTRDtrackletBase* AliTRDtrackletGTU::fgkDummyTracklet = 0x0; |
52c19022 | 40 | |
41 | AliTRDtrackletGTU::AliTRDtrackletGTU() : | |
42 | AliTRDtrackletBase(), | |
43 | fGtuParam(AliTRDgtuParam::Instance()), | |
6170d369 | 44 | fTracklet(0x0), |
44eafcf2 | 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 | ||
6170d369 | 55 | if (!fgkDummyTracklet) |
56 | fgkDummyTracklet = new AliTRDtrackletWord(0); | |
57 | fTracklet = fgkDummyTracklet; | |
58 | ||
5f006bd7 | 59 | for (Int_t zch = 0; zch < fGtuParam->GetNZChannels(); zch++) |
52c19022 | 60 | fSubChannel[zch] = 0; |
61 | } | |
62 | ||
63 | AliTRDtrackletGTU::AliTRDtrackletGTU(AliTRDtrackletBase *tracklet) : | |
64 | AliTRDtrackletBase(*tracklet), | |
65 | fGtuParam(AliTRDgtuParam::Instance()), | |
6170d369 | 66 | fTracklet(0x0), |
44eafcf2 | 67 | fTrackletESD(0x0), |
059f00c5 | 68 | fMCMtrackletIndex(-1), |
52c19022 | 69 | fAssignedZ(kFALSE), |
70 | fAlpha(0), | |
71 | fYProj(0), | |
72 | fYPrime(0), | |
73 | fIndex(0) | |
74 | { | |
75 | // ctor for any tracklet deriving from AliTRDtrackletBase | |
76 | ||
6170d369 | 77 | if (!fgkDummyTracklet) fgkDummyTracklet = new AliTRDtrackletWord(0); |
78 | fTracklet = fgkDummyTracklet; | |
79 | ||
5f006bd7 | 80 | for (Int_t zch = 0; zch < fGtuParam->GetNZChannels(); zch++) |
52c19022 | 81 | fSubChannel[zch] = 0; |
82 | fTracklet = tracklet; | |
4cc89512 | 83 | if ( fTracklet->IsA() == TClass::GetClass("AliTRDtrackletMCM")) { |
c8b1590d | 84 | AliDebug(5,Form("label from mcm tracklet: %i", ((AliTRDtrackletMCM*) fTracklet)->GetLabel())); |
4cc89512 | 85 | } |
52c19022 | 86 | } |
87 | ||
44eafcf2 | 88 | AliTRDtrackletGTU::AliTRDtrackletGTU(AliESDTrdTracklet *tracklet) : |
89 | AliTRDtrackletBase(), | |
90 | fGtuParam(AliTRDgtuParam::Instance()), | |
6170d369 | 91 | fTracklet(0x0), |
44eafcf2 | 92 | fTrackletESD(tracklet), |
059f00c5 | 93 | fMCMtrackletIndex(-1), // has to be set via SetMCMtrackletIndex() separately |
44eafcf2 | 94 | fAssignedZ(kFALSE), |
95 | fAlpha(0), | |
96 | fYProj(0), | |
97 | fYPrime(0), | |
98 | fIndex(0) | |
99 | { | |
100 | // ctor for an AliESDTrdTracklet | |
101 | ||
6170d369 | 102 | if (!fgkDummyTracklet) fgkDummyTracklet = new AliTRDtrackletWord(0); |
103 | fTracklet = fgkDummyTracklet; | |
104 | ||
44eafcf2 | 105 | for (Int_t zch = 0; zch < fGtuParam->GetNZChannels(); zch++) |
106 | fSubChannel[zch] = 0; | |
107 | } | |
108 | ||
52c19022 | 109 | AliTRDtrackletGTU::AliTRDtrackletGTU(const AliTRDtrackletGTU& tracklet) : |
110 | AliTRDtrackletBase(tracklet), | |
111 | fGtuParam(AliTRDgtuParam::Instance()), | |
5f006bd7 | 112 | fTracklet(tracklet.fTracklet), |
44eafcf2 | 113 | fTrackletESD(tracklet.fTrackletESD), |
059f00c5 | 114 | fMCMtrackletIndex(tracklet.fMCMtrackletIndex), |
52c19022 | 115 | fAssignedZ(tracklet.fAssignedZ), |
116 | fAlpha(tracklet.fAlpha), | |
117 | fYProj(tracklet.fYProj), | |
5f006bd7 | 118 | fYPrime(tracklet.fYPrime), |
52c19022 | 119 | fIndex(tracklet.fIndex) |
120 | { | |
121 | // copy ctor | |
122 | ||
5f006bd7 | 123 | for (Int_t zch = 0; zch < fGtuParam->GetNZChannels(); zch++) |
52c19022 | 124 | fSubChannel[zch] = tracklet.fSubChannel[zch]; |
125 | } | |
126 | ||
127 | AliTRDtrackletGTU& AliTRDtrackletGTU::operator=(const AliTRDtrackletGTU &rhs) | |
128 | { | |
36dc3337 | 129 | // assignment operator |
130 | ||
52c19022 | 131 | if (&rhs != this) { |
132 | fTracklet = rhs.fTracklet; | |
44eafcf2 | 133 | fTrackletESD = rhs.fTrackletESD; |
059f00c5 | 134 | fMCMtrackletIndex = rhs.fMCMtrackletIndex; |
5f006bd7 | 135 | for (Int_t zch = 0; zch < fGtuParam->GetNZChannels(); zch++) |
52c19022 | 136 | fSubChannel[zch] = rhs.fSubChannel[zch]; |
137 | fIndex = rhs.fIndex; | |
138 | fYPrime = rhs.fYPrime; | |
139 | fYProj = rhs.fYProj; | |
140 | fAlpha = rhs.fAlpha; | |
141 | fAssignedZ = rhs.fAssignedZ; | |
142 | } | |
5f006bd7 | 143 | |
52c19022 | 144 | return *this; |
145 | } | |
146 | ||
5f006bd7 | 147 | AliTRDtrackletGTU::~AliTRDtrackletGTU() |
52c19022 | 148 | { |
149 | // dtor | |
52c19022 | 150 | } |
151 | ||
5f006bd7 | 152 | void AliTRDtrackletGTU::SetSubChannel(Int_t zch, Int_t subch) |
52c19022 | 153 | { |
154 | // set the subchannel in the given z-channel | |
155 | fAssignedZ = kTRUE; | |
156 | fSubChannel[zch] = subch; | |
157 | } | |
158 | ||
36dc3337 | 159 | Int_t AliTRDtrackletGTU::GetSubChannel(Int_t zch) const |
52c19022 | 160 | { |
161 | // get the subchannel in the given z-channel | |
162 | return fSubChannel[zch]; | |
163 | } | |
164 | ||
4cc89512 | 165 | Int_t AliTRDtrackletGTU::GetLabel() const |
166 | { | |
36dc3337 | 167 | // get the MC label for the tracklet, -1 if none |
168 | ||
44eafcf2 | 169 | if (fTrackletESD) |
170 | return fTrackletESD->GetLabel(); | |
171 | else if ( fTracklet->IsA() == TClass::GetClass("AliTRDtrackletMCM")) | |
172 | return ((AliTRDtrackletMCM*) fTracklet)->GetLabel(); | |
173 | else | |
174 | return -1; | |
4cc89512 | 175 | } |
176 | ||
52c19022 | 177 | /* |
5f006bd7 | 178 | Float_t AliTRDtrackletGTU::GetPhysX(Int_t layer) |
52c19022 | 179 | { |
180 | // get the x-position (in the local system) assuming the tracklet is in the given layer | |
181 | return fGtuParam->GetGeo()->GetTime0(layer); | |
182 | } | |
183 | ||
5f006bd7 | 184 | Float_t AliTRDtrackletGTU::GetPhysY() |
52c19022 | 185 | { |
5f006bd7 | 186 | // |
187 | return GetYbin() * 0.0160; | |
52c19022 | 188 | } |
189 | ||
5f006bd7 | 190 | Float_t AliTRDtrackletGTU::GetPhysAlpha() |
52c19022 | 191 | { |
192 | return GetAlpha() * 0.01; // wrong factor! | |
193 | } | |
194 | ||
5f006bd7 | 195 | Float_t AliTRDtrackletGTU::GetPhysZ(Int_t stack, Int_t layer) |
52c19022 | 196 | { |
197 | return fGtuParam->GetGeo()->GetPadPlane(layer, stack)->GetRowPos(GetZbin()); // not the middle of a pad! | |
198 | } | |
199 | */ |