///////////////////////////////////////////////////////////////////////////////
// //
// Class for TRD reconstruction //
+// //
+// For the special options which can be used during reconstruction and their //
+// default values pls. see function SetOption(). //
// //
///////////////////////////////////////////////////////////////////////////////
#include <TObjArray.h>
#include <TTreeStream.h>
#include <TDirectory.h>
+#include <TRef.h>
#include "AliRawReader.h"
+#include "AliLog.h"
#include "AliTRDReconstructor.h"
#include "AliTRDclusterizer.h"
#include "AliTRDrawData.h"
-#include "AliTRDrawStreamBase.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"
+#include "AliTRDonlineTrackMatching.h"
#define SETFLG(n,f) ((n) |= f)
#define CLRFLG(n,f) ((n) &= ~f)
ClassImp(AliTRDReconstructor)
+Int_t AliTRDReconstructor::fgStreamLevel = 1; // stream (debug) level
+
+
+AliESDTrdTrigger AliTRDReconstructor::fgTriggerFlags;
+AliTRDonlineTrackMatching AliTRDReconstructor::fgOnlineTrackMatcher;
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 Tracklets"
- ,"Debug Streaming "
+ ,"HLT Mode "
+ ,"Process Online Trklts "
+ ,"Debug Streaming "
+ ,"Cl. Radial Correction "
};
Char_t const * AliTRDReconstructor::fgSteerFlags[kNsteer] = {
"dc"// digits conversion [false]
,"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"
,"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
//_____________________________________________________________________________
AliTRDReconstructor::AliTRDReconstructor()
// write clusters [cw]
SETFLG(fSteerParam, kWriteClusters);
// track seeding (stand alone tracking) [sa]
- SETFLG(fSteerParam, kSeeding);
-
+ //SETFLG(fSteerParam, kSeeding);
+ // Cluster radial correction during reconstruction [cc]
+ //SETFLG(fSteerParam, kClRadialCorr);
memset(fDebugStream, 0, sizeof(TTreeSRedirector *) * AliTRDrecoParam::kTRDreconstructionTasks);
}
// Destructor
//
+ if(fClusterizer){
+ delete fClusterizer;
+ fClusterizer = NULL;
+ }
if(fgClusters) {
fgClusters->Delete();
delete fgClusters;
delete fgTracklets;
fgTracklets = NULL;
}
- if(fSteerParam&kOwner){
+ if(fgTracks) {
+ fgTracks->Delete();
+ delete fgTracks;
+ fgTracks = NULL;
+ }
+ if((fSteerParam&kOwner)|| AliTRDReconstructor::GetStreamLevel()>0){
for(Int_t itask = 0; itask < AliTRDrecoParam::kTRDreconstructionTasks; itask++)
if(fDebugStream[itask]) delete fDebugStream[itask];
}
- if(fClusterizer){
- delete fClusterizer;
- fClusterizer = NULL;
- }
}
if(!fClusterizer){
fClusterizer = new AliTRDclusterizer(fgTaskNames[AliTRDrecoParam::kClusterizer], fgTaskNames[AliTRDrecoParam::kClusterizer]);
fClusterizer->SetReconstructor(this);
+ AliInfo(Form("Build TRD clusterizer[%p]", (void*)fClusterizer));
}
// 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]));
+ fDebugStream[task] = new TTreeSRedirector(Form("TRD.Debug%s.root", fgTaskNames[task]),"recreate");
savedir->cd();
SETFLG(fSteerParam, kOwner);
}
// Convert raw data digits into digit objects in a root tree
//
- //AliInfo("Convert raw data digits into digit objects [RawReader -> Digit TTree]");
+ AliDebug(1, "Convert raw data digits into digit objects [RawReader -> Digit TTree]");
+ AliDebug(2, Form("clusters[%p] tracklets[%p] tracks[%p]", (void*)fgClusters, (void*)fgTracklets, (void*)fgTracks));
- AliTRDrawData rawData;
rawReader->Reset();
rawReader->Select("TRD");
- rawData.OpenOutput();
- AliTRDrawStreamBase::SetRawStreamVersion(GetRecoParam()->GetRawStreamVersion()->Data());
+ ResetContainers();
+
+ AliTRDrawData rawData;
+
AliTRDdigitsManager *manager = rawData.Raw2Digits(rawReader);
manager->MakeBranch(digitsTree);
manager->WriteDigits();
delete manager;
+ for (Int_t iSector = 0; iSector < 18; iSector++) fgTriggerFlags.SetFlags(iSector, rawData.GetTriggerFlags(iSector));
}
//_____________________________________________________________________________
// Reconstruct clusters
//
- //AliInfo("Reconstruct TRD clusters from RAW data [RawReader -> Cluster TTree]");
-
-
- rawReader->Reset();
- rawReader->Select("TRD");
- AliTRDrawStreamBase::SetRawStreamVersion(GetRecoParam()->GetRawStreamVersion()->Data());
-
+ AliDebug(1, "Reconstruct TRD clusters from RAW data [RawReader -> Cluster TTree]");
+ AliDebug(2, Form("clusters[%p] tracklets[%p] tracks[%p]", (void*)fgClusters, (void*)fgTracklets, (void*)fgTracks));
if(!fClusterizer){
AliFatal("Clusterizer not available!");
return;
}
-
- fClusterizer->ResetRecPoints();
-
+ rawReader->Reset();
+ rawReader->Select("TRD");
+ ResetContainers();
fClusterizer->OpenOutput(clusterTree);
- fClusterizer->OpenTrackletOutput();
fClusterizer->SetUseLabels(kFALSE);
+ fClusterizer->SetStoreRawSignals(kTRUE);
+ fClusterizer->ResetRecPoints();
fClusterizer->Raw2ClustersChamber(rawReader);
-
- if(IsWritingClusters()) return;
-
- // take over ownership of clusters
- fgClusters = fClusterizer->RecPoints();
- fClusterizer->SetClustersOwner(kFALSE);
-
- // take over ownership of online tracklets
- fgTracklets = fClusterizer->TrackletsArray();
- fClusterizer->SetTrackletsOwner(kFALSE);
-
fgNTimeBins = fClusterizer->GetNTimeBins();
+ for (Int_t iSector = 0; iSector < 18; iSector++) fgTriggerFlags.SetFlags(iSector, fClusterizer->GetTriggerFlags(iSector));
}
//_____________________________________________________________________________
// Reconstruct clusters
//
- //AliInfo("Reconstruct TRD clusters from Digits [Digit TTree -> Cluster TTree]");
-
- AliTRDclusterizer clusterer(fgTaskNames[AliTRDrecoParam::kClusterizer], fgTaskNames[AliTRDrecoParam::kClusterizer]);
- clusterer.SetReconstructor(this);
- clusterer.OpenOutput(clusterTree);
- clusterer.ReadDigits(digitsTree);
- clusterer.MakeClusters();
-
- if(IsWritingClusters()) return;
-
- // take over ownership of clusters
- fgClusters = clusterer.RecPoints();
- clusterer.SetClustersOwner(kFALSE);
-
- // take over ownership of online tracklets
- fgTracklets = clusterer.TrackletsArray();
- clusterer.SetTrackletsOwner(kFALSE);
-
- fgNTimeBins = clusterer.GetNTimeBins();
+ AliDebug(1, "Reconstruct TRD clusters from Digits [Digit TTree -> Cluster TTree]");
+ AliDebug(2, Form("Start :: clusters[%p] tracklets[%p] tracks[%p]", (void*)fgClusters, (void*)fgTracklets, (void*)fgTracks));
+ if(!fClusterizer){
+ AliFatal("Clusterizer not available!");
+ return;
+ }
+ ResetContainers();
+ AliTRDclusterizer clusterizer(fgTaskNames[AliTRDrecoParam::kClusterizer], fgTaskNames[AliTRDrecoParam::kClusterizer]);
+ clusterizer.SetReconstructor(this);
+ clusterizer.SetUseLabels(kTRUE);
+ clusterizer.SetStoreRawSignals(kTRUE);
+ clusterizer.OpenOutput(clusterTree);
+ clusterizer.ReadDigits(digitsTree);
+ clusterizer.ReadTracklets();
+ clusterizer.ReadTracks();
+ clusterizer.MakeClusters();
+ fgNTimeBins = clusterizer.GetNTimeBins();
}
//_____________________________________________________________________________
//return new AliTRDtracker(NULL);
AliTRDtrackerV1 *tracker = new AliTRDtrackerV1();
tracker->SetReconstructor(this);
+ AliInfo(Form("Build TRD tracker[%p]", (void*)tracker));
return tracker;
}
//_____________________________________________________________________________
void AliTRDReconstructor::FillESD(TTree* /*digitsTree*/
, TTree* /*clusterTree*/
- , AliESDEvent* /*esd*/) const
+ , AliESDEvent* esd) const
{
//
// Fill ESD
//
+ // ----- filling tracklets -----
+ AliDebug(1, Form("Loading onl.tracklets(%i) to ESD", 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();
+ esd->AddTrdTracklet(tracklet->GetTrackletWord(), tracklet->GetHCId(), label);
+ }
+
+ // ----- filling GTU tracks -----
+ AliDebug(1, Form("Loading gtu.tracks(%i) to ESD", 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);
+
+ // ----- matching GTU tracks to global tracks -----
+ AliDebug(1, Form("TRD track matching with %i ESD, %i TRD tracks",
+ esd->GetNumberOfTracks(), esd->GetNumberOfTrdTracks()));
+ fgOnlineTrackMatcher.ProcessEvent(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);
AliWarning(Form("Unknown option flag %s.", sopt.Data()));
}
+ opar->Delete();
+ delete opar;
}
//_____________________________________________________________________________
}
}
+
+//_____________________________________________________________________________
+TClonesArray* AliTRDReconstructor::GetClusters()
+{
+// Build/ Retrieve cluster array
+ if(!fgClusters){
+ fgClusters = new TClonesArray("AliTRDcluster", Int_t(GetRecoParam()->GetNClusters()));
+ fgClusters->SetOwner();
+ AliInfoGeneral("AliTRDReconstructor", Form("Allocate cluster array @ %p", (void*)fgClusters));
+ }
+ return fgClusters;
+}
+
+//_____________________________________________________________________________
+TClonesArray* AliTRDReconstructor::GetTracklets(const char *trkltype)
+{
+// Build/ Retrieve online tracklets array
+
+ if (trkltype && strlen(trkltype) > 0) {
+ if(fgTracklets && (TClass::GetClass(trkltype) != fgTracklets->GetClass())){
+ fgTracklets->Delete();
+ delete fgTracklets;
+ }
+ if (!fgTracklets) {
+ fgTracklets = new TClonesArray(trkltype, 200);
+ fgTracklets->SetOwner(kTRUE);
+ AliInfoGeneral("AliTRDReconstructor", Form("Allocate online tracklets[%s] array @ %p", trkltype, (void*)fgTracklets));
+ }
+ }
+ return fgTracklets;
+}
+
+//_____________________________________________________________________________
+TClonesArray* AliTRDReconstructor::GetTracks()
+{
+// Build/ Retrieve cluster array
+ if(!fgTracks){
+ fgTracks = new TClonesArray("AliESDTrdTrack", 100);
+ fgTracks->SetOwner();
+ AliInfoGeneral("AliTRDReconstructor", Form("Allocate online tracks array @ %p", (void*)fgTracks));
+ }
+ return fgTracks;
+}
+
+//_____________________________________________________________________________
+void AliTRDReconstructor::ResetContainers() const
+{
+// prepare data containers for a new event
+
+ if(fgClusters){
+ AliDebug(1, Form("Removing %5d clusters @ %p", fgClusters->GetEntriesFast(), (void*)fgClusters));
+ fgClusters->Clear();
+ }
+ if(fgTracklets){
+ AliDebug(1, Form("Removing %3d online tracklets @ %p", fgTracklets->GetEntriesFast(), (void*)fgTracklets));
+ fgTracklets->Clear();
+ }
+ if(fgTracks){
+ AliDebug(1, Form("Removing %3d online tracks @ %p", fgTracks->GetEntriesFast(), (void*)fgTracks));
+ fgTracks->Clear();
+ }
+ for (Int_t iSector = 0; iSector < 18; iSector++)
+ fgTriggerFlags.SetFlags(iSector, 0);
+}