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46d29e70 | 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 | /* | |
17 | $Log$ | |
5443e65e | 18 | Revision 1.8 2002/03/28 14:59:07 cblume |
19 | Coding conventions | |
20 | ||
0a29d0f1 | 21 | Revision 1.7 2001/11/19 08:44:08 cblume |
22 | Fix bugs reported by Rene | |
23 | ||
a1c3aded | 24 | Revision 1.6 2001/05/28 17:07:58 hristov |
25 | Last minute changes; ExB correction in AliTRDclusterizerV1; taking into account of material in G10 TEC frames and material between TEC planes (C.Blume,S.Sedykh) | |
26 | ||
a819a5f7 | 27 | Revision 1.5 2000/12/08 16:07:02 cblume |
28 | Update of the tracking by Sergei | |
29 | ||
bbf92647 | 30 | Revision 1.4 2000/10/16 01:16:53 cblume |
31 | Changed timebin 0 to be the one closest to the readout | |
32 | ||
ea6a8999 | 33 | Revision 1.3 2000/10/15 23:40:01 cblume |
34 | Remove AliTRDconst | |
35 | ||
0e9c2ad5 | 36 | Revision 1.2 2000/10/06 16:49:46 cblume |
37 | Made Getters const | |
38 | ||
46d29e70 | 39 | Revision 1.1.2.2 2000/10/04 16:34:58 cblume |
40 | Replace include files by forward declarations | |
41 | ||
42 | Revision 1.1.2.1 2000/09/22 14:47:52 cblume | |
43 | Add the tracking code | |
44 | ||
0a29d0f1 | 45 | */ |
46 | ||
47 | ///////////////////////////////////////////////////////////////////////// | |
48 | // // | |
49 | // Tracking sector // | |
50 | // // | |
51 | ///////////////////////////////////////////////////////////////////////// | |
46d29e70 | 52 | |
53 | #include <TObject.h> | |
54 | ||
55 | #include "AliRun.h" | |
56 | ||
57 | #include "AliTRD.h" | |
46d29e70 | 58 | #include "AliTRDgeometry.h" |
59 | #include "AliTRDcluster.h" | |
60 | #include "AliTRDtimeBin.h" | |
46d29e70 | 61 | #include "AliTRDtrackingSector.h" |
5443e65e | 62 | #include "AliTRDparameter.h" |
46d29e70 | 63 | |
46d29e70 | 64 | ClassImp(AliTRDtrackingSector) |
65 | ||
66 | //_______________________________________________________ | |
46d29e70 | 67 | AliTRDtrackingSector::~AliTRDtrackingSector() |
68 | { | |
69 | // | |
70 | // Destructor | |
71 | // | |
72 | ||
a1c3aded | 73 | delete fTimeBin; |
46d29e70 | 74 | |
75 | } | |
76 | ||
77 | //_______________________________________________________ | |
78 | AliTRDtimeBin &AliTRDtrackingSector::operator[](Int_t i) | |
79 | { | |
80 | // | |
81 | // Index operator | |
82 | // | |
83 | ||
84 | return *(fTimeBin+i); | |
85 | ||
86 | } | |
87 | ||
88 | //_______________________________________________________ | |
46d29e70 | 89 | void AliTRDtrackingSector::SetUp() |
90 | { | |
0a29d0f1 | 91 | // |
92 | // Initialization | |
93 | // | |
94 | ||
95 | AliTRD *trd = (AliTRD*) gAlice->GetDetector("TRD"); | |
96 | fGeom = trd->GetGeometry(); | |
46d29e70 | 97 | |
0e9c2ad5 | 98 | fN = AliTRDgeometry::Nplan() * (Int_t(AliTRDgeometry::DrThick() |
99 | /fTimeBinSize) + 1); | |
46d29e70 | 100 | |
101 | fTimeBin = new AliTRDtimeBin[fN]; | |
102 | ||
5443e65e | 103 | if (!fPar) { |
104 | fPar = new AliTRDparameter("TRDparameter","Standard TRD parameter"); | |
105 | } | |
106 | ||
107 | fTimeBinSize = fPar->GetTimeBinSize(); | |
108 | ||
46d29e70 | 109 | } |
110 | ||
111 | //______________________________________________________ | |
a819a5f7 | 112 | Double_t AliTRDtrackingSector::GetX(Int_t tb) const |
46d29e70 | 113 | { |
0a29d0f1 | 114 | // |
115 | // Get global x coordinate | |
116 | // | |
117 | ||
a819a5f7 | 118 | if( (tb<0) || (tb>fN-1)) { |
46d29e70 | 119 | fprintf(stderr,"AliTRDtrackingSector::GetX: TimeBin index is out of range !\n"); |
120 | return -99999.; | |
121 | } | |
122 | else { | |
123 | ||
0a29d0f1 | 124 | Int_t tbPerPlane = fN/AliTRDgeometry::Nplan(); |
125 | Int_t localTb = tbPerPlane - tb%tbPerPlane - 1; | |
46d29e70 | 126 | |
0a29d0f1 | 127 | Int_t plane = tb/tbPerPlane; |
5443e65e | 128 | Float_t t0 = fPar->GetTime0(plane); |
0a29d0f1 | 129 | Double_t x = t0 - (localTb + 0.5) * fTimeBinSize; |
46d29e70 | 130 | |
131 | return x; | |
0a29d0f1 | 132 | |
46d29e70 | 133 | } |
0a29d0f1 | 134 | |
46d29e70 | 135 | } |
136 | ||
137 | //______________________________________________________ | |
46d29e70 | 138 | Int_t AliTRDtrackingSector::GetTimeBinNumber(Double_t x) const |
139 | { | |
0a29d0f1 | 140 | // |
141 | // Returns the time bin number | |
142 | // | |
143 | ||
5443e65e | 144 | Float_t rOut = fPar->GetTime0(AliTRDgeometry::Nplan()-1); |
145 | Float_t rIn = fPar->GetTime0(0) - AliTRDgeometry::DrThick(); | |
46d29e70 | 146 | |
a819a5f7 | 147 | |
0a29d0f1 | 148 | if(x >= rOut) return fN-1; |
149 | if(x <= rIn) return 0; | |
46d29e70 | 150 | |
a819a5f7 | 151 | Int_t plane; |
152 | for (plane = AliTRDgeometry::Nplan()-1; plane >= 0; plane--) { | |
5443e65e | 153 | if(x > (fPar->GetTime0(plane) - AliTRDgeometry::DrThick())) break; |
a819a5f7 | 154 | } |
155 | ||
0a29d0f1 | 156 | Int_t tbPerPlane = fN/AliTRDgeometry::Nplan(); |
5443e65e | 157 | Int_t localTb = Int_t((fPar->GetTime0(plane)-x)/fTimeBinSize); |
bbf92647 | 158 | |
0a29d0f1 | 159 | if((localTb < 0) || (localTb >= tbPerPlane)) { |
a819a5f7 | 160 | printf("AliTRDtrackingSector::GetTimeBinNumber: \n"); |
161 | printf("local time bin %d is out of bounds [0..%d]: x = %f \n", | |
0a29d0f1 | 162 | localTb,tbPerPlane-1,x); |
a819a5f7 | 163 | return -1; |
164 | } | |
165 | ||
0a29d0f1 | 166 | Int_t timeBin = (plane + 1) * tbPerPlane - 1 - localTb; |
46d29e70 | 167 | |
0a29d0f1 | 168 | return timeBin; |
46d29e70 | 169 | } |
170 | ||
171 | //______________________________________________________ | |
0a29d0f1 | 172 | Int_t AliTRDtrackingSector::GetTimeBin(Int_t det, Int_t localTb) const |
46d29e70 | 173 | { |
0a29d0f1 | 174 | // |
175 | // Time bin | |
176 | // | |
177 | ||
46d29e70 | 178 | Int_t plane = fGeom->GetPlane(det); |
179 | ||
0a29d0f1 | 180 | Int_t tbPerPlane = fN/AliTRDgeometry::Nplan(); |
bbf92647 | 181 | |
0a29d0f1 | 182 | Int_t timeBin = (plane + 1) * tbPerPlane - 1 - localTb; |
183 | ||
184 | return timeBin; | |
bbf92647 | 185 | |
46d29e70 | 186 | } |
187 | ||
a819a5f7 | 188 | |
189 | //______________________________________________________ | |
190 | ||
191 | Bool_t AliTRDtrackingSector::TECframe(Int_t tb, Double_t y, Double_t z) const | |
192 | { | |
0a29d0f1 | 193 | // |
194 | // Returns <true> if point defined by <x(tb),y,z> is within | |
195 | // the TEC G10 frame, otherwise returns <false> | |
196 | // | |
a819a5f7 | 197 | |
198 | if((tb > (fN-1)) || (tb < 0)) return kFALSE; | |
199 | ||
0a29d0f1 | 200 | Int_t tbPerPlane = fN/AliTRDgeometry::Nplan(); |
201 | Int_t plane = tb/tbPerPlane; | |
a819a5f7 | 202 | |
203 | Double_t x = GetX(tb); | |
204 | y = TMath::Abs(y); | |
205 | ||
206 | if((y > fGeom->GetChamberWidth(plane)/2.) && | |
207 | (y < x*TMath::Tan(0.5*AliTRDgeometry::GetAlpha()))) return kTRUE; | |
208 | ||
209 | Double_t zmin, zmax; | |
210 | Float_t fRowPadSize, fRow0; | |
211 | Int_t nPadRows; | |
212 | ||
213 | for(Int_t iCha = 1; iCha < AliTRDgeometry::Ncham(); iCha++) { | |
214 | ||
5443e65e | 215 | fRow0 = fPar->GetRow0(plane,iCha-1,0); |
216 | fRowPadSize = fPar->GetRowPadSize(plane,iCha-1,0); | |
217 | nPadRows = fPar->GetRowMax(plane,iCha-1,0); | |
a819a5f7 | 218 | zmin = fRow0 - fRowPadSize/2 + fRowPadSize * nPadRows; |
219 | ||
5443e65e | 220 | fRow0 = fPar->GetRow0(plane,iCha,0); |
221 | fRowPadSize = fPar->GetRowPadSize(plane,iCha,0); | |
a819a5f7 | 222 | zmax = fRow0 - fRowPadSize/2; |
223 | ||
224 | if((z > zmin) && (z < zmax)) return kTRUE; | |
225 | } | |
226 | ||
227 | return kFALSE; | |
0a29d0f1 | 228 | |
a819a5f7 | 229 | } |