/**************************************************************************
- * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- * *
- * Author: The ALICE Off-line Project. *
- * Contributors are mentioned in the code where appropriate. *
- * *
- * Permission to use, copy, modify and distribute this software and its *
- * documentation strictly for non-commercial purposes is hereby granted *
- * without fee, provided that the above copyright notice appears in all *
- * copies and that both the copyright notice and this permission notice *
- * appear in the supporting documentation. The authors make no claims *
- * about the suitability of this software for any purpose. It is *
- * provided "as is" without express or implied warranty. *
- **************************************************************************/
+* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+* *
+* Author: The ALICE Off-line Project. *
+* Contributors are mentioned in the code where appropriate. *
+* *
+* Permission to use, copy, modify and distribute this software and its *
+* documentation strictly for non-commercial purposes is hereby granted *
+* without fee, provided that the above copyright notice appears in all *
+* copies and that both the copyright notice and this permission notice *
+* appear in the supporting documentation. The authors make no claims *
+* about the suitability of this software for any purpose. It is *
+* provided "as is" without express or implied warranty. *
+**************************************************************************/
/* $Id$ */
///////////////////////////////////////////////////////////////////////////////
// //
// Class for TRD reconstruction //
+// //
+// For the special options which can be used during reconstruction and their //
+// default values pls. see function SetOption(). //
// //
///////////////////////////////////////////////////////////////////////////////
-#include <TFile.h>
+#include <TObjString.h>
+#include <TObjArray.h>
+#include <TTreeStream.h>
+#include <TDirectory.h>
+#include <TRef.h>
-#include "AliRunLoader.h"
#include "AliRawReader.h"
#include "AliLog.h"
-#include "AliESDTrdTrack.h"
-#include "AliESDEvent.h"
#include "AliTRDReconstructor.h"
-#include "AliTRDclusterizerV2.h"
-#include "AliTRDtracker.h"
-#include "AliTRDpidESD.h"
-#include "AliTRDgtuTrack.h"
+#include "AliTRDclusterizer.h"
#include "AliTRDrawData.h"
+#include "AliTRDrawStream.h"
#include "AliTRDdigitsManager.h"
+#include "AliTRDtrackerV1.h"
+#include "AliESDEvent.h"
+#include "AliESDTrdTrack.h"
+#include "AliESDTrdTracklet.h"
+#include "AliESDTrdTrigger.h"
+#include "AliTRDtrackletWord.h"
+#include "AliTRDtrackletMCM.h"
+
+#define SETFLG(n,f) ((n) |= f)
+#define CLRFLG(n,f) ((n) &= ~f)
ClassImp(AliTRDReconstructor)
-Bool_t AliTRDReconstructor::fgkSeedingOn = kFALSE;
-Int_t AliTRDReconstructor::fgStreamLevel = 0; // Stream (debug) level
+AliESDTrdTrigger AliTRDReconstructor::fgTriggerFlags;
+TClonesArray *AliTRDReconstructor::fgClusters = NULL;
+TClonesArray *AliTRDReconstructor::fgTracklets = NULL;
+TClonesArray *AliTRDReconstructor::fgTracks = NULL;
+Char_t const * AliTRDReconstructor::fgSteerNames[kNsteer] = {
+ "DigitsConversion "
+ ,"Write Clusters "
+ ,"Write Online Tracklets "
+ ,"Stand Alone Tracking "
+ ,"HLT Mode "
+ ,"Process Online Trklts "
+ ,"Debug Streaming "
+ ,"Cl. Radial Correction "
+};
+Char_t const * AliTRDReconstructor::fgSteerFlags[kNsteer] = {
+ "dc"// digits conversion [false]
+ ,"cw"// write clusters [true]
+ ,"tw"// write online tracklets [false]
+ ,"sa"// track seeding (stand alone tracking) [true]
+ ,"hlt"// HLT reconstruction [false]
+ ,"tp"// also use online tracklets for reconstruction [false]
+ ,"deb"// Write debug stream [false]
+ ,"cc" // Cluster radial correction during reconstruction [false]
+};
+Char_t const * AliTRDReconstructor::fgTaskNames[AliTRDrecoParam::kTRDreconstructionTasks] = {
+ "Clusterizer"
+ ,"Tracker"
+ ,"PID"
+};
+Char_t const * AliTRDReconstructor::fgTaskFlags[AliTRDrecoParam::kTRDreconstructionTasks] = {
+ "cl"
+ ,"tr"
+ ,"pd"
+};
+Int_t AliTRDReconstructor::fgNTimeBins = -1;
+const Float_t AliTRDReconstructor::fgkMinClustersInTrack = 0.5; //
+const Float_t AliTRDReconstructor::fgkLabelFraction = 0.8; //
+const Double_t AliTRDReconstructor::fgkMaxChi2 = 12.0; //
+const Double_t AliTRDReconstructor::fgkMaxSnp = 0.95; // Maximum local sine of the azimuthal angle
+const Double_t AliTRDReconstructor::fgkMaxStep = 2.0; // Maximal step size in propagation
+const Double_t AliTRDReconstructor::fgkEpsilon = 1.e-5; // Precision of radial coordinate
//_____________________________________________________________________________
-void AliTRDReconstructor::ConvertDigits(AliRawReader *rawReader
- , TTree *digitsTree) const
+AliTRDReconstructor::AliTRDReconstructor()
+ :AliReconstructor()
+ ,fSteerParam(0)
+ ,fClusterizer(NULL)
+{
+ // setting default "ON" steering parameters
+ // owner of debug streamers
+ SETFLG(fSteerParam, kOwner);
+ // write clusters [cw]
+ SETFLG(fSteerParam, kWriteClusters);
+ // track seeding (stand alone tracking) [sa]
+ //SETFLG(fSteerParam, kSeeding);
+ // Cluster radial correction during reconstruction [cc]
+ //SETFLG(fSteerParam, kClRadialCorr);
+ memset(fDebugStream, 0, sizeof(TTreeSRedirector *) * AliTRDrecoParam::kTRDreconstructionTasks);
+}
+
+//_____________________________________________________________________________
+AliTRDReconstructor::~AliTRDReconstructor()
{
//
- // Convert raw data digits into digit objects in a root tree
+ // Destructor
//
- AliInfo("Convert raw data digits into digit objects [RawReader -> Digit TTree]");
+ if(fgClusters) {
+ fgClusters->Delete();
+ delete fgClusters;
+ fgClusters = NULL;
+ }
+ if(fgTracklets) {
+ fgTracklets->Delete();
+ delete fgTracklets;
+ fgTracklets = NULL;
+ }
+ if(fgTracks) {
+ fgTracks->Delete();
+ delete fgTracks;
+ fgTracks = NULL;
+ }
+ if(fSteerParam&kOwner){
+ for(Int_t itask = 0; itask < AliTRDrecoParam::kTRDreconstructionTasks; itask++)
+ if(fDebugStream[itask]) delete fDebugStream[itask];
+ }
+ if(fClusterizer){
+ delete fClusterizer;
+ fClusterizer = NULL;
+ }
+}
- AliTRDrawData rawData;
- rawReader->Reset();
- rawReader->Select("TRD");
- AliTRDdigitsManager *manager = rawData.Raw2Digits(rawReader);
- manager->MakeBranch(digitsTree);
- manager->WriteDigits();
- delete manager;
+//_____________________________________________________________________________
+void AliTRDReconstructor::Init(){
+ //
+ // Init Options
+ //
+ SetOption(GetOption());
+ Options(fSteerParam);
+
+ if(!fClusterizer){
+ fClusterizer = new AliTRDclusterizer(fgTaskNames[AliTRDrecoParam::kClusterizer], fgTaskNames[AliTRDrecoParam::kClusterizer]);
+ fClusterizer->SetReconstructor(this);
+ }
+
+ // Make Debug Streams when Debug Streaming
+ if(IsDebugStreaming()){
+ for(Int_t task = 0; task < AliTRDrecoParam::kTRDreconstructionTasks; task++){
+ TDirectory *savedir = gDirectory;
+ fDebugStream[task] = new TTreeSRedirector(Form("TRD.Debug%s.root", fgTaskNames[task]));
+ savedir->cd();
+ SETFLG(fSteerParam, kOwner);
+ }
+ }
}
//_____________________________________________________________________________
-void AliTRDReconstructor::Reconstruct(AliRunLoader *runLoader
- , AliRawReader *rawReader) const
+void AliTRDReconstructor::ConvertDigits(AliRawReader *rawReader
+ , TTree *digitsTree) const
{
//
- // Reconstruct clusters
+ // Convert raw data digits into digit objects in a root tree
//
- AliInfo("Reconstruct TRD clusters from RAW data [RunLoader, RawReader]");
-
- AliLoader *loader = runLoader->GetLoader("TRDLoader");
- loader->LoadRecPoints("recreate");
-
- runLoader->CdGAFile();
- Int_t nEvents = runLoader->GetNumberOfEvents();
+ //AliInfo("Convert raw data digits into digit objects [RawReader -> Digit TTree]");
+ AliTRDrawData rawData;
rawReader->Reset();
rawReader->Select("TRD");
+ AliTRDdigitsManager *manager = rawData.Raw2Digits(rawReader);
+ manager->MakeBranch(digitsTree);
+ manager->WriteDigits();
+ delete manager;
- for (Int_t iEvent = 0; iEvent < nEvents; iEvent++) {
-
- if (!rawReader->NextEvent()) break;
-
- // New (fast) cluster finder
- AliTRDclusterizerV2 clusterer("clusterer","TRD clusterizer");
- clusterer.Open(runLoader->GetFileName(),iEvent);
- clusterer.Raw2ClustersChamber(rawReader);
+ // take over ownership of online tracklets
+ fgTracklets = rawData.TrackletsArray();
+ rawData.SetTrackletsOwner(0x0);
- clusterer.WriteClusters(-1);
+ // take over GTU tracks
+ fgTracks = rawData.TracksArray();
+ rawData.SetTracksOwner(0x0);
+ for (Int_t iSector = 0; iSector < 18; iSector++) {
+ fgTriggerFlags.SetFlags(iSector, rawData.GetTriggerFlags(iSector));
}
-
- loader->UnloadRecPoints();
-
}
//_____________________________________________________________________________
// Reconstruct clusters
//
- AliInfo("Reconstruct TRD clusters from RAW data [RawReader -> Cluster TTree]");
+ //AliInfo("Reconstruct TRD clusters from RAW data [RawReader -> Cluster TTree]");
+
rawReader->Reset();
rawReader->Select("TRD");
- // New (fast) cluster finder
- AliTRDclusterizerV2 clusterer("clusterer","TRD clusterizer");
- clusterer.OpenOutput(clusterTree);
- clusterer.SetAddLabels(kFALSE);
- clusterer.Raw2ClustersChamber(rawReader);
+ if(!fClusterizer){
+ AliFatal("Clusterizer not available!");
+ return;
+ }
+
+ fClusterizer->ResetRecPoints();
+
+ fClusterizer->OpenOutput(clusterTree);
+ fClusterizer->SetUseLabels(kFALSE);
+ fClusterizer->SetStoreRawSignals(kTRUE);
+ fClusterizer->Raw2ClustersChamber(rawReader);
+
+ fgNTimeBins = fClusterizer->GetNTimeBins();
+
+ // take over ownership of online tracklets
+ fgTracklets = fClusterizer->TrackletsArray();
+ fClusterizer->SetTrackletsOwner(kFALSE);
+
+ // take over GTU tracks
+ fgTracks = fClusterizer->TracksArray();
+ fClusterizer->SetTracksOwner(kFALSE);
+
+ for (Int_t iSector = 0; iSector < 18; iSector++) {
+ fgTriggerFlags.SetFlags(iSector, fClusterizer->GetTriggerFlags(iSector));
+ }
+ if(IsWritingClusters()) return;
+
+ // take over ownership of clusters
+ fgClusters = fClusterizer->RecPoints();
+ fClusterizer->SetClustersOwner(kFALSE);
}
//_____________________________________________________________________________
//
// Reconstruct clusters
//
- AliInfo("Reconstruct TRD clusters from Digits [Digit TTree -> Cluster TTree]");
- AliTRDclusterizerV2 clusterer("clusterer","TRD clusterizer");
+ //AliInfo("Reconstruct TRD clusters from Digits [Digit TTree -> Cluster TTree]");
+
+ AliTRDclusterizer clusterer(fgTaskNames[AliTRDrecoParam::kClusterizer], fgTaskNames[AliTRDrecoParam::kClusterizer]);
+ clusterer.SetReconstructor(this);
+ clusterer.SetUseLabels(kTRUE);
+ clusterer.SetStoreRawSignals(kTRUE);
clusterer.OpenOutput(clusterTree);
clusterer.ReadDigits(digitsTree);
clusterer.MakeClusters();
-}
-
-//_____________________________________________________________________________
-void AliTRDReconstructor::Reconstruct(AliRunLoader *runLoader) const
-{
- //
- // Reconstruct clusters
- //
-
- AliInfo("Reconstruct TRD clusters [AliRunLoader]");
- AliLoader *loader = runLoader->GetLoader("TRDLoader");
- loader->LoadRecPoints("recreate");
-
- runLoader->CdGAFile();
- Int_t nEvents = runLoader->GetNumberOfEvents();
-
- for (Int_t iEvent = 0; iEvent < nEvents; iEvent++) {
- AliTRDclusterizerV2 clusterer("clusterer","TRD clusterizer");
- clusterer.Open(runLoader->GetFileName(),iEvent);
- clusterer.ReadDigits();
- clusterer.MakeClusters();
- clusterer.WriteClusters(-1);
+ // read tracklets and tracks if not done during reading of raw data
+ if (!fgTracklets) {
+ clusterer.ReadTracklets();
+ fgTracklets = clusterer.TrackletsArray();
+ clusterer.SetTrackletsOwner(kFALSE);
+ }
+ if (!fgTracks) {
+ clusterer.ReadTracks();
+ fgTracks = clusterer.TracksArray();
+ clusterer.SetTracksOwner(kFALSE);
}
- loader->UnloadRecPoints();
+ fgNTimeBins = clusterer.GetNTimeBins();
+ if(IsWritingClusters()) return;
+
+ // take over ownership of clusters
+ fgClusters = clusterer.RecPoints();
+ clusterer.SetClustersOwner(kFALSE);
}
//_____________________________________________________________________________
-AliTracker *AliTRDReconstructor::CreateTracker(AliRunLoader *runLoader) const
+AliTracker *AliTRDReconstructor::CreateTracker() const
{
//
// Create a TRD tracker
//
- runLoader->CdGAFile();
-
- return new AliTRDtracker(gFile);
+ //return new AliTRDtracker(NULL);
+ AliTRDtrackerV1 *tracker = new AliTRDtrackerV1();
+ tracker->SetReconstructor(this);
+ return tracker;
}
//_____________________________________________________________________________
-void AliTRDReconstructor::FillESD(AliRunLoader* /*runLoader*/
- , AliRawReader* /*rawReader*/
- , AliESDEvent* /*esd*/) const
+void AliTRDReconstructor::FillESD(TTree* /*digitsTree*/
+ , TTree* /*clusterTree*/
+ , AliESDEvent* esd) const
{
//
// Fill ESD
//
-}
+ // ----- filling tracklets -----
+ AliDebug(1, Form("Filling tracklets from %p (%i)",
+ fgTracklets, fgTracklets ? fgTracklets->GetEntriesFast() : 0));
+ Int_t trackletIndex[1080] = { 0 };
+ TList trklList;
+ AliTRDrawStream::SortTracklets(fgTracklets, trklList, trackletIndex);
+ TIter trackletIter(&trklList);
+ while (AliTRDtrackletBase* tracklet = (AliTRDtrackletBase*) trackletIter()) {
+ Int_t label = -2; // mark raw tracklets with label -2
+ if (AliTRDtrackletMCM *trklMCM = dynamic_cast<AliTRDtrackletMCM*> (tracklet))
+ label = trklMCM->GetLabel();
+
+ AliESDTrdTracklet *esdTracklet = new AliESDTrdTracklet(tracklet->GetTrackletWord(), tracklet->GetHCId(), label);
+
+ esd->AddTrdTracklet(esdTracklet);
+ }
-//_____________________________________________________________________________
-void AliTRDReconstructor::FillESD(AliRawReader* /*rawReader*/
- , TTree* /*clusterTree*/
- , AliESDEvent* /*esd*/) const
-{
- //
- // Fill ESD
- //
+ // ----- filling GTU tracks -----
+ AliDebug(1, Form("Now filling ESD with GTU tracks from %p (%i)",
+ fgTracks, fgTracks ? fgTracks->GetEntriesFast() : 0));
+ if (fgTracks) {
+ for (Int_t iTrack = 0; iTrack < fgTracks->GetEntriesFast(); iTrack++) {
+ AliESDTrdTrack *trdTrack = (AliESDTrdTrack*) ((*fgTracks)[iTrack]);
+
+ UInt_t stack = trdTrack->GetStack();
+
+ Int_t refIndex[6];
+ AliTRDrawStream::AssignTracklets(trdTrack, trackletIndex, refIndex);
+
+ for (Int_t iLayer = 0; iLayer < 6; ++iLayer) {
+ Int_t det = trdTrack->GetSector()*30 + stack*6 + iLayer;
+
+ AliESDTrdTracklet *trkl = refIndex[iLayer] > -1 ? esd->GetTrdTracklet(refIndex[iLayer]) : 0x0;
+ if (trkl) {
+ AliDebug(5, Form("adding tracklet with index %i: 0x%08x",
+ refIndex[iLayer], trkl->GetTrackletWord()));
+ if (trkl->GetDetector() != det)
+ AliError(Form("inconsistent assignment of tracklet 0x%08x in det %i to track in %i",
+ trkl->GetTrackletWord(), trkl->GetDetector(), det));
+ trdTrack->AddTrackletReference(trkl, iLayer);
+ }
+ }
+
+ // only add the track when it's complete (including tracklet references)
+ esd->AddTrdTrack(trdTrack);
+ }
+ }
+
+ esd->SetTrdTrigger(&fgTriggerFlags);
+ // clearing variables for next event
+ fgTracklets = 0x0;
+ fgTracks = 0x0;
}
//_____________________________________________________________________________
-void AliTRDReconstructor::FillESD(TTree* /*digitsTree*/
- , TTree* /*clusterTree*/
- , AliESDEvent* /*esd*/) const
+void AliTRDReconstructor::SetOption(Option_t *opt)
{
//
- // Fill ESD
+ // Read option string into the steer param.
//
-
+ // The following string options are available during reconstruction.
+ // In square brackets the default values are given.
+ // "dc" : digits conversion [false]
+ // "cw" : write clusters [true]
+ // "tw" : write online tracklets [false]
+ // "sa" : track seeding (stand alone tracking) [true]
+ // "hlt" : HLT reconstruction [false]
+ // "tp" : also use online tracklets for reconstruction [false]
+ // "deb" : Write debug stream [false]
+ // "cc" : Cluster radial correction during reconstruction [false]
+ //
+ // To check the actual options used during reconstruction include the following line in your rec.C script
+ // AliLog::SetClassDebugLevel("AliTRDReconstructor", 1);
+
+ AliReconstructor::SetOption(opt);
+
+ TString s(opt);
+ TObjArray *opar = s.Tokenize(",");
+ for(Int_t ipar=0; ipar<opar->GetEntriesFast(); ipar++){
+ Bool_t processed = kFALSE;
+ TString sopt(((TObjString*)(*opar)[ipar])->String());
+ for(Int_t iopt=0; iopt<kNsteer; iopt++){
+ if(!sopt.Contains(fgSteerFlags[iopt])) continue;
+ SETFLG(fSteerParam, BIT(iopt));
+ if(sopt.Contains("!")) CLRFLG(fSteerParam, BIT(iopt));
+ processed = kTRUE;
+ break;
+ }
+ if(processed) continue;
+
+ AliWarning(Form("Unknown option flag %s.", sopt.Data()));
+ }
}
//_____________________________________________________________________________
-void AliTRDReconstructor::FillESD(AliRunLoader* /*runLoader*/
- , AliESDEvent* /*esd*/) const
+void AliTRDReconstructor::Options(UInt_t steer)
{
//
- // Fill ESD
+ // Print the options
//
+ for(Int_t iopt=0; iopt<kNsteer; iopt++){
+ AliDebugGeneral("AliTRDReconstructor", 1, Form(" %s[%s]%s", fgSteerNames[iopt], fgSteerFlags[iopt], steer ?(((steer>>iopt)&1)?" : ON":" : OFF"):""));
+ }
}
+
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