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1ee39b3a | 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-commercialf 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 | // TRD alignment task | |
18 | // | |
19 | // Some documentation | |
20 | // | |
21 | // Authors : | |
22 | // | |
23 | //////////////////////////////////////////////// | |
24 | ||
25 | #include "TTreeStream.h" | |
26 | #include "TROOT.h" | |
27 | #include "TH1.h" | |
28 | #include "TH2.h" | |
29 | ||
30 | #include "AliTrackPointArray.h" | |
31 | #include "AliLog.h" | |
32 | ||
33 | #include "AliTRDgeometry.h" | |
34 | #include "AliTRDcluster.h" | |
35 | #include "AliTRDseedV1.h" | |
36 | #include "AliTRDtrackV1.h" | |
37 | ||
38 | #include "AliTRDalignmentTask.h" | |
39 | ||
40 | ClassImp(AliTRDalignmentTask) | |
41 | ||
42 | //________________________________________________________ | |
43 | AliTRDalignmentTask::AliTRDalignmentTask() | |
44 | :AliTRDrecoTask("Alignment", "TRD alignment") | |
45 | ,fTree(0x0) | |
46 | ,fArray(0x0) | |
47 | { | |
48 | InitFunctorList(); | |
49 | DefineOutput(1, TTree::Class()); | |
50 | ||
51 | } | |
52 | ||
53 | //________________________________________________________ | |
54 | AliTRDalignmentTask::~AliTRDalignmentTask() | |
55 | { | |
56 | if (fArray) delete fArray; | |
57 | } | |
58 | ||
59 | ||
60 | //________________________________________________________ | |
61 | void AliTRDalignmentTask::CreateOutputObjects() | |
62 | { | |
63 | // spatial resolution | |
64 | OpenFile(1, "RECREATE"); | |
65 | ||
66 | fTree = new TTree("spTree", "Tree with track space point arrays"); | |
67 | fTree->Branch("SP","AliTrackPointArray", &fArray); | |
68 | } | |
69 | ||
70 | ||
71 | //________________________________________________________ | |
72 | void AliTRDalignmentTask::Exec(Option_t *opt) | |
73 | { | |
74 | // Documentation to come | |
75 | ||
76 | AliTRDrecoTask::Exec(opt); | |
77 | PostData(1, fTree); | |
78 | } | |
79 | ||
80 | ||
81 | //________________________________________________________ | |
82 | TH1* AliTRDalignmentTask::PlotTrackPoints(const AliTRDtrackV1 *track) | |
83 | { | |
84 | // Documentation to come | |
85 | ||
86 | if(track) fkTrack = track; | |
87 | if(!fkTrack){ | |
88 | AliWarning("No Track defined."); | |
89 | return 0x0; | |
90 | } | |
91 | ||
92 | if (fArray) delete fArray; | |
93 | fArray = new AliTrackPointArray(fkTrack->GetNumberOfTracklets()); | |
94 | ||
95 | // Filling the track points array | |
96 | Float_t x, y, z; | |
97 | AliTrackPoint p; Int_t ip = 0; | |
98 | AliTRDseedV1 *tracklet = 0x0; | |
99 | for(Int_t il=0; il<AliTRDgeometry::kNlayer; il++){ | |
100 | if(!(tracklet = fkTrack->GetTracklet(il))) continue; | |
101 | if(!tracklet->IsOK()) continue; | |
102 | tracklet->Fit(kTRUE); | |
103 | ||
104 | x = tracklet->GetX0(); | |
105 | y = tracklet->GetYfit(0)-tracklet->GetYfit(1)*(tracklet->GetX0()-x); | |
106 | z = tracklet->GetZfit(0); | |
107 | p.SetXYZ(x,y,z); | |
108 | fArray->AddPoint(ip++, &p); | |
109 | } | |
110 | fTree->Fill(); | |
111 | ||
112 | /* if(fDebugLevel>=1){ | |
113 | Float_t yt = fRim.GetYat(x[il]); | |
114 | (*fDebugStream) << "TrkltResiduals" | |
115 | << "layer=" << il | |
116 | << "x=" <<x[il] | |
117 | << "y=" <<y[il] | |
118 | << "yt=" <<yt | |
119 | << "dydx=" << dydx[il] | |
120 | << "dy=" << dy | |
121 | << "\n"; | |
122 | }*/ | |
123 | return 0x0; | |
124 | } | |
125 | ||
126 | ||
127 | ||
128 | //________________________________________________________ | |
129 | Bool_t AliTRDalignmentTask::IsIdenticalWithOneOf(AliTrackPoint * const p, AliTrackPointArray *parray, int nmax) { | |
130 | ||
131 | // Is the point p identical with one of the points on the list parray? | |
132 | // This is a fix for aliroot 4-16-Rev-01 (and before) writing some | |
133 | // spurious unitialized points. | |
134 | ||
135 | for (int i=0; i<parray->GetNPoints() && i<nmax; i++) { | |
136 | AliTrackPoint pa; | |
137 | parray->GetPoint(pa,i); | |
138 | //printf("comparing %7.3f with %7.3f\n",p->GetY(),pa.GetY()); | |
139 | if (p->GetResidual(pa,0)<1e-8) return kTRUE; | |
140 | //printf("different\n"); | |
141 | } | |
142 | return kFALSE; | |
143 | } |