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7dcaf913 | 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 | // // | |
18 | // Date : March 25 2004 // | |
19 | // This reads the file PMD.RecPoints.root(TreeR), // | |
20 | // calls the Clustering algorithm and stores the // | |
21 | // clustering output in PMD.RecPoints.root(TreeR) // | |
22 | // // | |
23 | //-----------------------------------------------------// | |
24 | ||
25 | #include <Riostream.h> | |
26 | #include <TMath.h> | |
27 | #include <TBRIK.h> | |
28 | #include <TNode.h> | |
29 | #include <TTree.h> | |
30 | #include <TGeometry.h> | |
31 | #include <TObjArray.h> | |
32 | #include <TClonesArray.h> | |
33 | #include <TFile.h> | |
34 | #include <TBranch.h> | |
35 | #include <TNtuple.h> | |
36 | #include <TParticle.h> | |
37 | ||
38 | #include "AliPMDcluster.h" | |
39 | #include "AliPMDclupid.h" | |
40 | #include "AliPMDrecpoint1.h" | |
41 | #include "AliPMDUtility.h" | |
42 | #include "AliPMDDiscriminator.h" | |
43 | #include "AliPMDtracker.h" | |
44 | ||
45 | #include "AliESDPmdTrack.h" | |
46 | #include "AliESD.h" | |
ecee2a1a | 47 | #include "AliLog.h" |
7dcaf913 | 48 | |
49 | ClassImp(AliPMDtracker) | |
50 | ||
51 | AliPMDtracker::AliPMDtracker(): | |
52 | fTreeR(0), | |
53 | fRecpoints(new TClonesArray("AliPMDrecpoint1", 1000)), | |
54 | fPMDcontin(new TObjArray()), | |
55 | fPMDcontout(new TObjArray()), | |
56 | fPMDdiscriminator(new AliPMDDiscriminator()), | |
57 | fPMDutil(new AliPMDUtility()), | |
58 | fPMDrecpoint(0), | |
59 | fPMDclin(0), | |
60 | fPMDclout(0), | |
7dcaf913 | 61 | fXvertex(0.), |
62 | fYvertex(0.), | |
63 | fZvertex(0.), | |
64 | fSigmaX(0.), | |
65 | fSigmaY(0.), | |
66 | fSigmaZ(0.) | |
67 | { | |
68 | // | |
69 | // Default Constructor | |
70 | // | |
71 | } | |
72 | //--------------------------------------------------------------------// | |
73 | AliPMDtracker::~AliPMDtracker() | |
74 | { | |
75 | // Destructor | |
76 | if (fRecpoints) | |
77 | { | |
78 | fRecpoints->Delete(); | |
79 | delete fRecpoints; | |
80 | fRecpoints=0; | |
81 | } | |
82 | if (fPMDcontin) | |
83 | { | |
84 | fPMDcontin->Delete(); | |
85 | delete fPMDcontin; | |
86 | fPMDcontin=0; | |
87 | } | |
88 | if (fPMDcontout) | |
89 | { | |
90 | fPMDcontout->Delete(); | |
91 | delete fPMDcontout; | |
92 | fPMDcontout=0; | |
93 | } | |
94 | } | |
95 | //--------------------------------------------------------------------// | |
96 | void AliPMDtracker::LoadClusters(TTree *treein) | |
97 | { | |
98 | // Load the Reconstructed tree | |
99 | fTreeR = treein; | |
100 | } | |
101 | //--------------------------------------------------------------------// | |
102 | void AliPMDtracker::Clusters2Tracks(AliESD *event) | |
103 | { | |
104 | // Converts digits to recpoints after running clustering | |
105 | // algorithm on CPV plane and PREshower plane | |
106 | // | |
107 | ||
108 | Int_t idet; | |
109 | Int_t ismn; | |
110 | Float_t clusdata[5]; | |
111 | ||
112 | TBranch *branch = fTreeR->GetBranch("PMDRecpoint"); | |
ecee2a1a | 113 | if (!branch) |
114 | { | |
115 | AliError("PMDRecpoint branch not found"); | |
116 | return; | |
117 | } | |
7dcaf913 | 118 | branch->SetAddress(&fRecpoints); |
119 | ||
120 | Int_t nmodules = (Int_t) fTreeR->GetEntries(); | |
ecee2a1a | 121 | AliDebug(1,Form("Number of modules filled in treeR = %d",nmodules)); |
7dcaf913 | 122 | for (Int_t imodule = 0; imodule < nmodules; imodule++) |
123 | { | |
124 | fTreeR->GetEntry(imodule); | |
125 | Int_t nentries = fRecpoints->GetLast(); | |
ecee2a1a | 126 | AliDebug(2,Form("Number of clusters per modules filled in treeR = %d" |
127 | ,nentries)); | |
7dcaf913 | 128 | for(Int_t ient = 0; ient < nentries+1; ient++) |
129 | { | |
130 | fPMDrecpoint = (AliPMDrecpoint1*)fRecpoints->UncheckedAt(ient); | |
131 | idet = fPMDrecpoint->GetDetector(); | |
132 | ismn = fPMDrecpoint->GetSMNumber(); | |
133 | clusdata[0] = fPMDrecpoint->GetClusX(); | |
134 | clusdata[1] = fPMDrecpoint->GetClusY(); | |
135 | clusdata[2] = fPMDrecpoint->GetClusADC(); | |
136 | clusdata[3] = fPMDrecpoint->GetClusCells(); | |
137 | clusdata[4] = fPMDrecpoint->GetClusRadius(); | |
138 | ||
139 | fPMDclin = new AliPMDcluster(idet,ismn,clusdata); | |
140 | fPMDcontin->Add(fPMDclin); | |
141 | } | |
142 | } | |
143 | ||
144 | fPMDdiscriminator->Discrimination(fPMDcontin,fPMDcontout); | |
145 | ||
146 | const Float_t kzpos = 361.5; | |
147 | Int_t ism =0, ium=0; | |
148 | Int_t det,smn; | |
149 | Float_t xpos,ypos; | |
150 | Float_t xpad = 0, ypad = 0; | |
151 | Float_t adc, ncell, rad; | |
152 | Float_t xglobal, yglobal; | |
153 | Float_t pid; | |
154 | ||
155 | Float_t zglobal = kzpos + (Float_t) fZvertex; | |
156 | ||
157 | Int_t nentries2 = fPMDcontout->GetEntries(); | |
ecee2a1a | 158 | AliDebug(1,Form("Number of clusters coming after discrimination = %d" |
159 | ,nentries2)); | |
7dcaf913 | 160 | for (Int_t ient1 = 0; ient1 < nentries2; ient1++) |
161 | { | |
162 | fPMDclout = (AliPMDclupid*)fPMDcontout->UncheckedAt(ient1); | |
163 | ||
164 | det = fPMDclout->GetDetector(); | |
165 | smn = fPMDclout->GetSMN(); | |
166 | xpos = fPMDclout->GetClusX(); | |
167 | ypos = fPMDclout->GetClusY(); | |
168 | adc = fPMDclout->GetClusADC(); | |
169 | ncell = fPMDclout->GetClusCells(); | |
170 | rad = fPMDclout->GetClusRadius(); | |
171 | pid = fPMDclout->GetClusPID(); | |
172 | ||
173 | // | |
174 | // Now change the xpos and ypos to its original values | |
175 | // for the unit modules which are earlier changed. | |
176 | // xpad and ypad are the real positions. | |
177 | // | |
178 | /********************************************************************** | |
179 | * det : Detector, 0: PRE & 1:CPV * | |
180 | * smn : Serial Module Number from which Super Module Number * | |
181 | * and Unit Module Numbers are extracted * | |
182 | * xpos : x-position of the cluster * | |
183 | * ypos : y-position of the cluster * | |
184 | * THESE xpos & ypos are not the true xpos and ypos * | |
185 | * for some of the unit modules. They are rotated. * | |
186 | * adc : ADC contained in the cluster * | |
187 | * ncell : Number of cells contained in the cluster * | |
188 | * rad : radius of the cluster (1d fit) * | |
189 | * ism : Supermodule number extracted from smn * | |
190 | * ium : Unit module number extracted from smn * | |
191 | * xpad : TRUE x-position of the cluster * | |
192 | * ypad : TRUE y-position of the cluster * | |
193 | **********************************************************************/ | |
194 | // | |
195 | if(det == 0 || det == 1) | |
196 | { | |
197 | if(smn < 12) | |
198 | { | |
199 | ism = smn/6; | |
200 | ium = smn - ism*6; | |
201 | xpad = ypos; | |
202 | ypad = xpos; | |
203 | } | |
204 | else if( smn >= 12 && smn < 24) | |
205 | { | |
206 | ism = smn/6; | |
207 | ium = smn - ism*6; | |
208 | xpad = xpos; | |
209 | ypad = ypos; | |
210 | } | |
211 | } | |
212 | ||
213 | fPMDutil->RectGeomCellPos(ism,ium,xpad,ypad,xglobal,yglobal); | |
214 | fPMDutil->SetXYZ(xglobal,yglobal,zglobal); | |
215 | fPMDutil->CalculateEtaPhi(); | |
216 | Float_t theta = fPMDutil->GetTheta(); | |
217 | Float_t phi = fPMDutil->GetPhi(); | |
218 | ||
219 | // Fill ESD | |
220 | ||
221 | AliESDPmdTrack *esdpmdtr = new AliESDPmdTrack(); | |
222 | ||
223 | esdpmdtr->SetDetector(det); | |
224 | esdpmdtr->SetTheta(theta); | |
225 | esdpmdtr->SetPhi(phi); | |
226 | esdpmdtr->SetClusterADC(adc); | |
227 | esdpmdtr->SetClusterPID(pid); | |
228 | ||
229 | event->AddPmdTrack(esdpmdtr); | |
230 | } | |
231 | ||
232 | } | |
233 | //--------------------------------------------------------------------// | |
234 | void AliPMDtracker::SetVertex(Double_t vtx[3], Double_t evtx[3]) | |
235 | { | |
236 | fXvertex = vtx[0]; | |
237 | fYvertex = vtx[1]; | |
238 | fZvertex = vtx[2]; | |
239 | fSigmaX = evtx[0]; | |
240 | fSigmaY = evtx[1]; | |
241 | fSigmaZ = evtx[2]; | |
242 | } | |
243 | //--------------------------------------------------------------------// | |
7dcaf913 | 244 | void AliPMDtracker::ResetClusters() |
245 | { | |
246 | if (fRecpoints) fRecpoints->Clear(); | |
247 | } | |
248 | //--------------------------------------------------------------------// |