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 = NULL;
44 TClonesArray *AliTRDReconstructor::fgTracklets = NULL;
45 AliTRDdigitsParam *AliTRDReconstructor::fgDigitsParam = NULL;
46 Char_t const * AliTRDReconstructor::fgSteerNames[kNsteer] = {
49 ,"Write Online Tracklets "
50 ,"Stand Alone Tracking "
52 ,"Process Online Tracklets"
55 Char_t const * AliTRDReconstructor::fgSteerFlags[kNsteer] = {
56 "dc"// digits conversion [false]
57 ,"cw"// write clusters [true]
58 ,"tw"// write online tracklets [false]
59 ,"sa"// track seeding (stand alone tracking) [true]
60 ,"hlt"// HLT reconstruction [false]
61 ,"tp"// also use online tracklets for reconstruction [false]
62 ,"deb"// Write debug stream [false]
64 Char_t const * AliTRDReconstructor::fgTaskNames[AliTRDrecoParam::kTRDreconstructionTasks] = {
69 Char_t const * AliTRDReconstructor::fgTaskFlags[AliTRDrecoParam::kTRDreconstructionTasks] = {
75 //_____________________________________________________________________________
76 AliTRDReconstructor::AliTRDReconstructor()
80 // setting default "ON" steering parameters
81 // owner of debug streamers
82 SETFLG(fSteerParam, kOwner);
83 // write clusters [cw]
84 SETFLG(fSteerParam, kWriteClusters);
85 // track seeding (stand alone tracking) [sa]
86 SETFLG(fSteerParam, kSeeding);
88 memset(fDebugStream, 0, sizeof(TTreeSRedirector *) * AliTRDrecoParam::kTRDreconstructionTasks);
91 //_____________________________________________________________________________
92 AliTRDReconstructor::~AliTRDReconstructor()
100 fgDigitsParam = NULL;
103 fgClusters->Delete();
108 fgTracklets->Delete();
112 if(fSteerParam&kOwner){
113 for(Int_t itask = 0; itask < AliTRDrecoParam::kTRDreconstructionTasks; itask++)
114 if(fDebugStream[itask]) delete fDebugStream[itask];
119 //_____________________________________________________________________________
120 void AliTRDReconstructor::Init(){
124 SetOption(GetOption());
125 Options(fSteerParam);
127 // Make Debug Streams when Debug Streaming
128 if(IsDebugStreaming()){
129 for(Int_t task = 0; task < AliTRDrecoParam::kTRDreconstructionTasks; task++){
130 TDirectory *savedir = gDirectory;
131 fDebugStream[task] = new TTreeSRedirector(Form("TRD.Debug%s.root", fgTaskNames[task]));
133 SETFLG(fSteerParam, kOwner);
138 //_____________________________________________________________________________
139 void AliTRDReconstructor::ConvertDigits(AliRawReader *rawReader
140 , TTree *digitsTree) const
143 // Convert raw data digits into digit objects in a root tree
146 //AliInfo("Convert raw data digits into digit objects [RawReader -> Digit TTree]");
148 AliTRDrawData rawData;
150 rawReader->Select("TRD");
151 rawData.OpenOutput();
152 AliTRDrawStreamBase::SetRawStreamVersion(GetRecoParam()->GetRawStreamVersion()->Data());
153 AliTRDdigitsManager *manager = rawData.Raw2Digits(rawReader);
154 manager->MakeBranch(digitsTree);
155 manager->WriteDigits();
160 //_____________________________________________________________________________
161 void AliTRDReconstructor::Reconstruct(AliRawReader *rawReader
162 , TTree *clusterTree) const
165 // Reconstruct clusters
168 //AliInfo("Reconstruct TRD clusters from RAW data [RawReader -> Cluster TTree]");
172 rawReader->Select("TRD");
173 AliTRDrawStreamBase::SetRawStreamVersion(GetRecoParam()->GetRawStreamVersion()->Data());
175 // New (fast) cluster finder
176 AliTRDclusterizer clusterer(fgTaskNames[AliTRDrecoParam::kClusterizer], fgTaskNames[AliTRDrecoParam::kClusterizer]);
177 clusterer.SetReconstructor(this);
178 clusterer.OpenOutput(clusterTree);
179 clusterer.OpenTrackletOutput();
180 clusterer.SetUseLabels(kFALSE);
181 clusterer.Raw2ClustersChamber(rawReader);
183 if(IsWritingClusters()) return;
185 // take over ownership of clusters
186 fgClusters = clusterer.RecPoints();
187 clusterer.SetClustersOwner(kFALSE);
189 // take over ownership of online tracklets
190 fgTracklets = clusterer.TrackletsArray();
191 clusterer.SetTrackletsOwner(kFALSE);
194 //_____________________________________________________________________________
195 void AliTRDReconstructor::Reconstruct(TTree *digitsTree
196 , TTree *clusterTree) const
199 // Reconstruct clusters
202 //AliInfo("Reconstruct TRD clusters from Digits [Digit TTree -> Cluster TTree]");
204 AliTRDclusterizer clusterer(fgTaskNames[AliTRDrecoParam::kClusterizer], fgTaskNames[AliTRDrecoParam::kClusterizer]);
205 clusterer.SetReconstructor(this);
206 clusterer.OpenOutput(clusterTree);
207 clusterer.ReadDigits(digitsTree);
208 clusterer.MakeClusters();
210 if(IsWritingClusters()) return;
212 // take over ownership of clusters
213 fgClusters = clusterer.RecPoints();
214 clusterer.SetClustersOwner(kFALSE);
216 // take over ownership of online tracklets
217 fgTracklets = clusterer.TrackletsArray();
218 clusterer.SetTrackletsOwner(kFALSE);
221 //_____________________________________________________________________________
222 AliTracker *AliTRDReconstructor::CreateTracker() const
225 // Create a TRD tracker
228 //return new AliTRDtracker(NULL);
229 AliTRDtrackerV1 *tracker = new AliTRDtrackerV1();
230 tracker->SetReconstructor(this);
235 //_____________________________________________________________________________
236 void AliTRDReconstructor::FillESD(TTree* /*digitsTree*/
237 , TTree* /*clusterTree*/
238 , AliESDEvent* /*esd*/) const
246 //_____________________________________________________________________________
247 void AliTRDReconstructor::SetDigitsParam(AliTRDdigitsParam const *par)
249 if(fgDigitsParam) (*fgDigitsParam) = (*par);
250 else fgDigitsParam = new AliTRDdigitsParam(*par);
254 //_____________________________________________________________________________
255 void AliTRDReconstructor::SetOption(Option_t *opt)
258 // Read option string into the steer param.
261 AliReconstructor::SetOption(opt);
264 TObjArray *opar = s.Tokenize(",");
265 for(Int_t ipar=0; ipar<opar->GetEntriesFast(); ipar++){
266 Bool_t processed = kFALSE;
267 TString sopt(((TObjString*)(*opar)[ipar])->String());
268 for(Int_t iopt=0; iopt<kNsteer; iopt++){
269 if(!sopt.Contains(fgSteerFlags[iopt])) continue;
270 SETFLG(fSteerParam, BIT(iopt));
271 if(sopt.Contains("!")) CLRFLG(fSteerParam, BIT(iopt));
275 if(processed) continue;
277 AliWarning(Form("Unknown option flag %s.", sopt.Data()));
281 //_____________________________________________________________________________
282 void AliTRDReconstructor::Options(UInt_t steer)
288 for(Int_t iopt=0; iopt<kNsteer; iopt++){
289 AliDebugGeneral("AliTRDReconstructor", 1, Form(" %s[%s]%s", fgSteerNames[iopt], fgSteerFlags[iopt], steer ?(((steer>>iopt)&1)?" : ON":" : OFF"):""));