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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 | $Log$ | |
18 | Revision 1.1.2.2 2000/10/04 16:34:58 cblume | |
19 | Replace include files by forward declarations | |
20 | ||
21 | Revision 1.1.2.1 2000/09/22 14:47:52 cblume | |
22 | Add the tracking code | |
23 | ||
24 | */ | |
25 | ||
26 | #include <TObject.h> | |
27 | ||
28 | #include "AliRun.h" | |
29 | ||
30 | #include "AliTRD.h" | |
31 | #include "AliTRDconst.h" | |
32 | #include "AliTRDgeometry.h" | |
33 | #include "AliTRDcluster.h" | |
34 | #include "AliTRDtimeBin.h" | |
35 | ||
36 | #include "AliTRDtrackingSector.h" | |
37 | ||
38 | ||
39 | ClassImp(AliTRDtrackingSector) | |
40 | ||
41 | //_______________________________________________________ | |
42 | ||
43 | AliTRDtrackingSector::~AliTRDtrackingSector() | |
44 | { | |
45 | // | |
46 | // Destructor | |
47 | // | |
48 | ||
49 | delete[] fTimeBin; | |
50 | ||
51 | } | |
52 | ||
53 | //_______________________________________________________ | |
54 | AliTRDtimeBin &AliTRDtrackingSector::operator[](Int_t i) | |
55 | { | |
56 | // | |
57 | // Index operator | |
58 | // | |
59 | ||
60 | return *(fTimeBin+i); | |
61 | ||
62 | } | |
63 | ||
64 | //_______________________________________________________ | |
65 | ||
66 | void AliTRDtrackingSector::SetUp() | |
67 | { | |
68 | ||
69 | AliTRD *TRD = (AliTRD*) gAlice->GetDetector("TRD"); | |
70 | fGeom = TRD->GetGeometry(); | |
71 | ||
72 | fTimeBinSize = fGeom->GetTimeBinSize(); | |
73 | ||
74 | fN = kNplan * (Int_t(kDrThick/fTimeBinSize) + 1); | |
75 | ||
76 | fTimeBin = new AliTRDtimeBin[fN]; | |
77 | ||
78 | } | |
79 | ||
80 | //______________________________________________________ | |
81 | ||
82 | Double_t AliTRDtrackingSector::GetX(Int_t l) const | |
83 | { | |
84 | if( (l<0) || (l>fN-1)) { | |
85 | fprintf(stderr,"AliTRDtrackingSector::GetX: TimeBin index is out of range !\n"); | |
86 | return -99999.; | |
87 | } | |
88 | else { | |
89 | ||
90 | Int_t tb_per_plane = fN/kNplan; | |
91 | Int_t plane = l/tb_per_plane; | |
92 | Int_t time_slice = l%(Int_t(kDrThick/fTimeBinSize) + 1); | |
93 | ||
94 | Float_t t0 = fGeom->GetTime0(plane); | |
95 | Double_t x = t0 + time_slice * fTimeBinSize; | |
96 | ||
97 | // cerr<<"plane, tb, x = "<<plane<<","<<time_slice<<","<<x<<endl; | |
98 | ||
99 | return x; | |
100 | } | |
101 | } | |
102 | ||
103 | //______________________________________________________ | |
104 | ||
105 | Double_t AliTRDtrackingSector::GetMaxY(Int_t l) const | |
106 | { | |
107 | ||
108 | if((l<(fN-1)) && (l>-1)) { | |
109 | Int_t tb_per_plane = fN/kNplan; | |
110 | Int_t plane = l/tb_per_plane; | |
111 | return fGeom->GetChamberWidth(plane); | |
112 | } | |
113 | else { | |
114 | fprintf(stderr, | |
115 | "AliTRDtrackingSector::GetMaxY: TimeBin index is out of range !\n"); | |
116 | if(l<0) return fGeom->GetChamberWidth(0); | |
117 | else return fGeom->GetChamberWidth(kNplan-1); | |
118 | } | |
119 | } | |
120 | ||
121 | //______________________________________________________ | |
122 | ||
123 | Int_t AliTRDtrackingSector::GetTimeBinNumber(Double_t x) const | |
124 | { | |
125 | Float_t r_out = fGeom->GetTime0(kNplan-1) + kDrThick; | |
126 | Float_t r_in = fGeom->GetTime0(0); | |
127 | // cerr<<"GetTimeBinNumber: r_in,r_out = "<<r_in<<","<<r_out<<endl; | |
128 | ||
129 | if(x >= r_out) return fN-1; | |
130 | if(x <= r_in) return 0; | |
131 | ||
132 | Float_t gap = fGeom->GetTime0(1) - fGeom->GetTime0(0); | |
133 | // cerr<<"GetTimeBinNumber: gap = "<<gap<<endl; | |
134 | ||
135 | Int_t plane = Int_t((x - r_in + fTimeBinSize/2)/gap); | |
136 | // cerr<<"GetTimeBinNumber: plane="<<plane<<endl; | |
137 | ||
138 | Int_t local_tb = Int_t((x-fGeom->GetTime0(plane))/fTimeBinSize + 0.5); | |
139 | // cerr<<"GetTimeBinNumber: local_tb="<<local_tb<<endl; | |
140 | ||
141 | Int_t time_bin = plane * (Int_t(kDrThick/fTimeBinSize) + 1) + local_tb; | |
142 | // cerr<<"GetTimeBinNumber: time_bin = "<<time_bin<<endl; | |
143 | ||
144 | ||
145 | return time_bin; | |
146 | } | |
147 | ||
148 | //______________________________________________________ | |
149 | ||
150 | Int_t AliTRDtrackingSector::GetTimeBin(Int_t det, Int_t local_tb) const | |
151 | { | |
152 | Int_t plane = fGeom->GetPlane(det); | |
153 | ||
154 | Int_t time_bin = plane * (Int_t(kDrThick/fTimeBinSize) + 1) + local_tb; | |
155 | return time_bin; | |
156 | } | |
157 |