1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
18 ///////////////////////////////////////////////////////////////////////////////
20 // Class for TRD reconstruction //
22 ///////////////////////////////////////////////////////////////////////////////
24 #include <TObjString.h>
25 #include <TObjArray.h>
26 #include <TTreeStream.h>
27 #include <TDirectory.h>
29 #include "AliRawReader.h"
31 #include "AliTRDReconstructor.h"
32 #include "AliTRDclusterizer.h"
33 #include "AliTRDrawData.h"
34 #include "AliTRDrawStreamBase.h"
35 #include "AliTRDdigitsManager.h"
36 #include "AliTRDtrackerV1.h"
38 #define SETFLG(n,f) ((n) |= f)
39 #define CLRFLG(n,f) ((n) &= ~f)
41 ClassImp(AliTRDReconstructor)
43 TClonesArray *AliTRDReconstructor::fgClusters = 0x0;
44 TClonesArray *AliTRDReconstructor::fgTracklets = 0x0;
45 Char_t* AliTRDReconstructor::fgSteerNames[kNsteer] = {
48 ,"Write Online Tracklets "
49 ,"Stand Alone Tracking "
51 ,"Process Online Tracklets"
54 Char_t* AliTRDReconstructor::fgSteerFlags[kNsteer] = {
55 "dc"// digits conversion [false]
56 ,"cw"// write clusters [true]
57 ,"tw"// write online tracklets [false]
58 ,"sa"// track seeding (stand alone tracking) [true]
59 ,"hlt"// HLT reconstruction [false]
60 ,"tp"// also use online tracklets for reconstruction [false]
61 ,"deb"// Write debug stream [false]
63 Char_t* AliTRDReconstructor::fgTaskNames[AliTRDrecoParam::kTRDreconstructionTasks] = {
68 Char_t* AliTRDReconstructor::fgTaskFlags[AliTRDrecoParam::kTRDreconstructionTasks] = {
74 //_____________________________________________________________________________
75 AliTRDReconstructor::AliTRDReconstructor()
79 // setting default "ON" steering parameters
80 // owner of debug streamers
81 SETFLG(fSteerParam, kOwner);
82 // write clusters [cw]
83 SETFLG(fSteerParam, kWriteClusters);
84 // track seeding (stand alone tracking) [sa]
85 SETFLG(fSteerParam, kSeeding);
87 memset(fDebugStream, 0, sizeof(TTreeSRedirector *) * AliTRDrecoParam::kTRDreconstructionTasks);
90 //_____________________________________________________________________________
91 AliTRDReconstructor::~AliTRDReconstructor()
98 fgClusters->Delete(); delete fgClusters;
101 fgTracklets->Delete(); delete fgTracklets;
103 if(fSteerParam&kOwner){
104 for(Int_t itask = 0; itask < AliTRDrecoParam::kTRDreconstructionTasks; itask++)
105 if(fDebugStream[itask]) delete fDebugStream[itask];
110 //_____________________________________________________________________________
111 void AliTRDReconstructor::Init(){
115 SetOption(GetOption());
116 Options(fSteerParam);
118 // Make Debug Streams when Debug Streaming
119 if(IsDebugStreaming()){
120 for(Int_t task = 0; task < AliTRDrecoParam::kTRDreconstructionTasks; task++){
121 TDirectory *savedir = gDirectory;
122 fDebugStream[task] = new TTreeSRedirector(Form("TRD.Debug%s.root", fgTaskNames[task]));
124 SETFLG(fSteerParam, kOwner);
129 //_____________________________________________________________________________
130 void AliTRDReconstructor::ConvertDigits(AliRawReader *rawReader
131 , TTree *digitsTree) const
134 // Convert raw data digits into digit objects in a root tree
137 //AliInfo("Convert raw data digits into digit objects [RawReader -> Digit TTree]");
139 AliTRDrawData rawData;
141 rawReader->Select("TRD");
142 rawData.OpenOutput();
143 AliTRDrawStreamBase::SetRawStreamVersion(GetRecoParam()->GetRawStreamVersion()->Data());
144 AliTRDdigitsManager *manager = rawData.Raw2Digits(rawReader);
145 manager->MakeBranch(digitsTree);
146 manager->WriteDigits();
151 //_____________________________________________________________________________
152 void AliTRDReconstructor::Reconstruct(AliRawReader *rawReader
153 , TTree *clusterTree) const
156 // Reconstruct clusters
159 //AliInfo("Reconstruct TRD clusters from RAW data [RawReader -> Cluster TTree]");
163 rawReader->Select("TRD");
164 AliTRDrawStreamBase::SetRawStreamVersion(GetRecoParam()->GetRawStreamVersion()->Data());
166 // New (fast) cluster finder
167 AliTRDclusterizer clusterer(fgTaskNames[AliTRDrecoParam::kClusterizer], fgTaskNames[AliTRDrecoParam::kClusterizer]);
168 clusterer.SetReconstructor(this);
169 clusterer.OpenOutput(clusterTree);
170 clusterer.OpenTrackletOutput();
171 clusterer.SetUseLabels(kFALSE);
172 clusterer.Raw2ClustersChamber(rawReader);
174 if(IsWritingClusters()) return;
176 // take over ownership of clusters
177 fgClusters = clusterer.RecPoints();
178 clusterer.SetClustersOwner(kFALSE);
180 // take over ownership of online tracklets
181 fgTracklets = clusterer.TrackletsArray();
182 clusterer.SetTrackletsOwner(kFALSE);
185 //_____________________________________________________________________________
186 void AliTRDReconstructor::Reconstruct(TTree *digitsTree
187 , TTree *clusterTree) const
190 // Reconstruct clusters
193 //AliInfo("Reconstruct TRD clusters from Digits [Digit TTree -> Cluster TTree]");
195 AliTRDclusterizer clusterer(fgTaskNames[AliTRDrecoParam::kClusterizer], fgTaskNames[AliTRDrecoParam::kClusterizer]);
196 clusterer.SetReconstructor(this);
197 clusterer.OpenOutput(clusterTree);
198 clusterer.ReadDigits(digitsTree);
199 clusterer.MakeClusters();
201 if(IsWritingClusters()) return;
203 // take over ownership of clusters
204 fgClusters = clusterer.RecPoints();
205 clusterer.SetClustersOwner(kFALSE);
207 // take over ownership of online tracklets
208 fgTracklets = clusterer.TrackletsArray();
209 clusterer.SetTrackletsOwner(kFALSE);
212 //_____________________________________________________________________________
213 AliTracker *AliTRDReconstructor::CreateTracker() const
216 // Create a TRD tracker
219 //return new AliTRDtracker(NULL);
220 AliTRDtrackerV1 *tracker = new AliTRDtrackerV1();
221 tracker->SetReconstructor(this);
226 //_____________________________________________________________________________
227 void AliTRDReconstructor::FillESD(TTree* /*digitsTree*/
228 , TTree* /*clusterTree*/
229 , AliESDEvent* /*esd*/) const
238 //_____________________________________________________________________________
239 void AliTRDReconstructor::SetOption(Option_t *opt)
242 // Read option string into the steer param.
245 AliReconstructor::SetOption(opt);
248 TObjArray *opar = s.Tokenize(",");
249 for(Int_t ipar=0; ipar<opar->GetEntriesFast(); ipar++){
250 Bool_t processed = kFALSE;
251 TString sopt(((TObjString*)(*opar)[ipar])->String());
252 for(Int_t iopt=0; iopt<kNsteer; iopt++){
253 if(!sopt.Contains(fgSteerFlags[iopt])) continue;
254 SETFLG(fSteerParam, BIT(iopt));
255 if(sopt.Contains("!")) CLRFLG(fSteerParam, BIT(iopt));
259 if(processed) continue;
261 AliWarning(Form("Unknown option flag %s.", sopt.Data()));
265 //_____________________________________________________________________________
266 void AliTRDReconstructor::Options(UInt_t steer)
272 for(Int_t iopt=0; iopt<kNsteer; iopt++){
273 AliDebugGeneral("AliTRDReconstructor", 1, Form(" %s[%s]%s", fgSteerNames[iopt], fgSteerFlags[iopt], steer ?(((steer>>iopt)&1)?" : ON":" : OFF"):""));