///////////////////////////////////////////////////////////////////////////////
// //
// 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 <TClonesArray.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 "AliTRDclusterizer.h"
-#include "AliTRDtracker.h"
-#include "AliTRDpidESD.h"
-#include "AliTRDgtuTrack.h"
#include "AliTRDrawData.h"
+#include "AliTRDrawStream.h"
#include "AliTRDdigitsManager.h"
#include "AliTRDtrackerV1.h"
-#include "AliTRDrecoParam.h"
-
-#include "TTreeStream.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)
-TClonesArray *AliTRDReconstructor::fgClusters = 0x0;
-Char_t* AliTRDReconstructor::fgSteerNames[kNsteer] = {
+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 "
- ,"Tail Cancellation "
- ,"Clusters LUT "
- ,"Clusters GAUSS "
- ,"Clusters Sharing "
- ,"NN PID "
- ,"8 dEdx slices in ESD "
,"Write Clusters "
,"Write Online Tracklets "
- ,"Drift Gas Argon "
,"Stand Alone Tracking "
- ,"Vertex Constrain "
- ,"Tracklet Improve "
,"HLT Mode "
- ,"Cosmic Reconstruction "
+ ,"Process Online Trklts "
+ ,"Debug Streaming "
+ ,"Cl. Radial Correction "
};
-Char_t* AliTRDReconstructor::fgSteerFlags[kNsteer] = {
+Char_t const * AliTRDReconstructor::fgSteerFlags[kNsteer] = {
"dc"// digits conversion [false]
- ,"tc"// apply tail cancellation [true]
- ,"lut"// look-up-table for cluster shape in the r-phi direction
- ,"gs"// gauss cluster shape in the r-phi direction
- ,"sh"// cluster sharing between tracks
- ,"nn"// PID method in reconstruction (NN) [true]
- ,"8s"// 8 dEdx slices in ESD [true]
,"cw"// write clusters [true]
,"tw"// write online tracklets [false]
- ,"ar"// drift gas [false] - do not update the number of exponentials in the TC !
,"sa"// track seeding (stand alone tracking) [true]
- ,"vc"// vertex constrain on stand alone track finder [false]
- ,"ti"// improve tracklets in stand alone track finder [true]
,"hlt"// HLT reconstruction [false]
- ,"cos"// Cosmic Reconstruction [false]
+ ,"tp"// also use online tracklets for reconstruction [false]
+ ,"deb"// Write debug stream [false]
+ ,"cc" // Cluster radial correction during reconstruction [false]
};
-Char_t* AliTRDReconstructor::fgTaskNames[kNtasks] = {
- "RawReader"
- ,"Clusterizer"
+Char_t const * AliTRDReconstructor::fgTaskNames[AliTRDrecoParam::kTRDreconstructionTasks] = {
+ "Clusterizer"
,"Tracker"
,"PID"
};
-Char_t* AliTRDReconstructor::fgTaskFlags[kNtasks] = {
- "rr"
- ,"cl"
+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
//_____________________________________________________________________________
AliTRDReconstructor::AliTRDReconstructor()
:AliReconstructor()
,fSteerParam(0)
+ ,fClusterizer(NULL)
{
// setting default "ON" steering parameters
// owner of debug streamers
// write clusters [cw]
SETFLG(fSteerParam, kWriteClusters);
// track seeding (stand alone tracking) [sa]
- SETFLG(fSteerParam, kSeeding);
- // PID method in reconstruction (NN) [nn]
- SETFLG(fSteerParam, kSteerPID);
- // number of dEdx slices in the ESD track [8s]
- SETFLG(fSteerParam, kEightSlices);
- // vertex constrain for stand alone track finder
- SETFLG(fSteerParam, kVertexConstrained);
- // improve tracklets for stand alone track finder
- SETFLG(fSteerParam, kImproveTracklet);
- // use look up table for cluster r-phi position
- SETFLG(fSteerParam, kLUT);
- // use tail cancellation
- SETFLG(fSteerParam, kTC);
-
- memset(fStreamLevel, 0, kNtasks*sizeof(UChar_t));
- memset(fDebugStream, 0, sizeof(TTreeSRedirector *) * kNtasks);
- // Xe tail cancellation parameters
- fTCParams[0] = 1.156; // r1
- fTCParams[1] = 0.130; // r2
- fTCParams[2] = 0.114; // c1
- fTCParams[3] = 0.624; // c2
- // Ar tail cancellation parameters
- fTCParams[4] = 6.; // r1
- fTCParams[5] = 0.62; // r2
- fTCParams[6] = 0.0087;// c1
- fTCParams[7] = 0.07; // c2
-}
-
-//_____________________________________________________________________________
-AliTRDReconstructor::AliTRDReconstructor(const AliTRDReconstructor &r)
- :AliReconstructor(r)
- ,fSteerParam(r.fSteerParam)
-{
- memcpy(fStreamLevel, r.fStreamLevel, kNtasks*sizeof(UChar_t));
- memcpy(fTCParams, r.fTCParams, 8*sizeof(Double_t));
- memcpy(fDebugStream, r.fDebugStream, sizeof(TTreeSRedirector *) *kNtasks);
- // ownership of debug streamers is not taken
- CLRFLG(fSteerParam, kOwner);
+ //SETFLG(fSteerParam, kSeeding);
+ // Cluster radial correction during reconstruction [cc]
+ //SETFLG(fSteerParam, kClRadialCorr);
+ memset(fDebugStream, 0, sizeof(TTreeSRedirector *) * AliTRDrecoParam::kTRDreconstructionTasks);
}
//_____________________________________________________________________________
AliTRDReconstructor::~AliTRDReconstructor()
{
+ //
+ // Destructor
+ //
+
+ if(fClusterizer){
+ delete fClusterizer;
+ fClusterizer = NULL;
+ }
if(fgClusters) {
- fgClusters->Delete(); delete 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 < kNtasks; itask++)
+ for(Int_t itask = 0; itask < AliTRDrecoParam::kTRDreconstructionTasks; itask++)
if(fDebugStream[itask]) delete fDebugStream[itask];
}
}
// Init Options
//
SetOption(GetOption());
- Options(fSteerParam, fStreamLevel);
+ Options(fSteerParam);
+
+ 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]));
+ savedir->cd();
+ SETFLG(fSteerParam, kOwner);
+ }
+ }
}
//_____________________________________________________________________________
//
// Convert raw data digits into digit objects in a root tree
//
- AliInfo("Feature not available for the moment."); return;
- 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");
+ 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]");
-
-
+ 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;
+ }
rawReader->Reset();
rawReader->Select("TRD");
-
- // New (fast) cluster finder
- AliTRDclusterizer clusterer(fgTaskNames[kClusterizer], fgTaskNames[kClusterizer]);
- clusterer.SetReconstructor(this);
- clusterer.OpenOutput(clusterTree);
- clusterer.SetUseLabels(kFALSE);
- clusterer.Raw2ClustersChamber(rawReader);
-
- if(IsWritingClusters()) return;
-
- // take over ownership of clusters
- fgClusters = clusterer.RecPoints();
- clusterer.SetClustersOwner(kFALSE);
+ ResetContainers();
+ fClusterizer->OpenOutput(clusterTree);
+ fClusterizer->SetUseLabels(kFALSE);
+ fClusterizer->SetStoreRawSignals(kTRUE);
+ fClusterizer->ResetRecPoints();
+ fClusterizer->Raw2ClustersChamber(rawReader);
+ 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[kClusterizer], fgTaskNames[kClusterizer]);
- clusterer.SetReconstructor(this);
- clusterer.OpenOutput(clusterTree);
- clusterer.ReadDigits(digitsTree);
- clusterer.MakeClusters();
-
- if(IsWritingClusters()) return;
+ 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;
+ }
- // take over ownership of clusters
- fgClusters = clusterer.RecPoints();
- clusterer.SetClustersOwner(kFALSE);
+ 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);
+}
//_____________________________________________________________________________
void AliTRDReconstructor::SetOption(Option_t *opt)
{
-// Read option string into the steer param.
-//
+ //
+ // 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;
+ 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;
+ processed = kTRUE;
break;
}
- // extra rules
- if(sopt.Contains("gs") && !sopt.Contains("!")){
- CLRFLG(fSteerParam, kLUT); PROCESSED = kTRUE;
- }
-
- if(PROCESSED) continue;
-
- if(sopt.Contains("sl")){
- TObjArray *stl = sopt.Tokenize("_");
- if(stl->GetEntriesFast() < 3) continue;
- TString taskstr(((TObjString*)(*stl)[1])->String());
- TString levelstring(((TObjString*)(*stl)[2])->String());
- Int_t level = levelstring.Atoi();
-
- // Set the stream Level
- PROCESSED = kFALSE;
- for(Int_t it=0; it<kNtasks; it++){
- if(taskstr.CompareTo(fgTaskFlags[it]) != 0) continue;
- SetStreamLevel(level, ETRDReconstructorTask(it));
- PROCESSED = kTRUE;
- }
- }
- if(PROCESSED) continue;
+ if(processed) continue;
AliWarning(Form("Unknown option flag %s.", sopt.Data()));
}
+ opar->Delete();
+ delete opar;
}
//_____________________________________________________________________________
-void AliTRDReconstructor::SetStreamLevel(Int_t level, ETRDReconstructorTask task){
+void AliTRDReconstructor::Options(UInt_t steer)
+{
//
- // Set the Stream Level for one of the tasks Clusterizer, Tracker or PID
+ // Print the options
//
- const Int_t minLevel[4] = {1, 1, 2, 1}; // the minimum debug level upon which a debug stream is created for different tasks
- //AliInfo(Form("Setting Stream Level for Task %s to %d", taskname.Data(),level));
- fStreamLevel[(Int_t)task] = level;
- // Initialize DebugStreamer if not yet done
- if(level >= minLevel[task] && !fDebugStream[task]){
- TDirectory *savedir = gDirectory;
- fDebugStream[task] = new TTreeSRedirector(Form("TRD.Debug%s.root", fgTaskNames[task]));
- savedir->cd();
- SETFLG(fSteerParam, kOwner);
+
+ 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"):""));
}
}
+
//_____________________________________________________________________________
-void AliTRDReconstructor::Options(UInt_t steer, UChar_t *stream)
+TClonesArray* AliTRDReconstructor::GetClusters()
{
- for(Int_t iopt=0; iopt<kNsteer; iopt++){
- AliInfoGeneral("AliTRDReconstructor", Form(" %s[%s]%s", fgSteerNames[iopt], fgSteerFlags[iopt], steer ?(((steer>>iopt)&1)?" : ON":" : OFF"):""));
+// 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));
}
- AliInfoGeneral("AliTRDReconstructor", " Debug Streaming");
- for(Int_t it=0; it<kNtasks; it++)
- AliInfoGeneral("AliTRDReconstructor", Form(" %s [sl_%s] %d", fgTaskNames[it], fgTaskFlags[it], stream ? stream[it] : 0));
+ 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);
+}