/**************************************************************************
- * 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 //
+// Class for TRD reconstruction //
// //
///////////////////////////////////////////////////////////////////////////////
-#include <TFile.h>
+#include <TObjString.h>
+#include <TObjArray.h>
+#include <TTreeStream.h>
+#include <TDirectory.h>
-#include "AliTRDReconstructor.h"
-#include "AliRunLoader.h"
-#include "AliTRDclusterizerV1.h"
-#include "AliTRDtracker.h"
-#include "AliTRDpidESD.h"
#include "AliRawReader.h"
-#include "AliLog.h"
-#include "AliTRDtrigger.h"
-#include "AliTRDtrigParam.h"
-#include "AliTRDgtuTrack.h"
-#include "AliRun.h"
-#include "AliESDTrdTrack.h"
-#include "AliESD.h"
+
+#include "AliTRDReconstructor.h"
+#include "AliTRDclusterizer.h"
+#include "AliTRDrawData.h"
+#include "AliTRDdigitsManager.h"
+#include "AliTRDtrackerV1.h"
+
+#define SETFLG(n,f) ((n) |= f)
+#define CLRFLG(n,f) ((n) &= ~f)
ClassImp(AliTRDReconstructor)
-Bool_t AliTRDReconstructor::fgkSeedingOn = kFALSE;
+TClonesArray *AliTRDReconstructor::fgClusters = 0x0;
+TClonesArray *AliTRDReconstructor::fgTracklets = 0x0;
+Char_t* 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 Tracklets"
+};
+Char_t* 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]
+};
+Char_t* AliTRDReconstructor::fgTaskNames[kNtasks] = {
+ "RawReader"
+ ,"Clusterizer"
+ ,"Tracker"
+ ,"PID"
+};
+Char_t* AliTRDReconstructor::fgTaskFlags[kNtasks] = {
+ "rr"
+ ,"cl"
+ ,"tr"
+ ,"pd"
+};
//_____________________________________________________________________________
-void AliTRDReconstructor::Reconstruct(AliRunLoader* runLoader) const
+AliTRDReconstructor::AliTRDReconstructor()
+ :AliReconstructor()
+ ,fSteerParam(0)
{
-// reconstruct clusters
+ // 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);
+ // 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
+}
- AliLoader *loader=runLoader->GetLoader("TRDLoader");
- loader->LoadRecPoints("recreate");
+//_____________________________________________________________________________
+AliTRDReconstructor::AliTRDReconstructor(const AliTRDReconstructor &r)
+ :AliReconstructor(r)
+ ,fSteerParam(r.fSteerParam)
+{
+ //
+ // Copy constructor
+ //
+
+ 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);
+}
- AliTRDclusterizerV1 clusterer("clusterer", "TRD clusterizer");
- runLoader->CdGAFile();
- Int_t nEvents = runLoader->GetNumberOfEvents();
+//_____________________________________________________________________________
+AliTRDReconstructor::~AliTRDReconstructor()
+{
+ //
+ // Destructor
+ //
- for (Int_t iEvent = 0; iEvent < nEvents; iEvent++) {
- clusterer.Open(runLoader->GetFileName(), iEvent);
- clusterer.ReadDigits();
- clusterer.MakeClusters();
- clusterer.WriteClusters(-1);
+ if(fgClusters) {
+ fgClusters->Delete(); delete fgClusters;
}
-
- loader->UnloadRecPoints();
-
- // Trigger (tracklets, LTU)
-
- loader->LoadTracks();
- if (loader->TreeT()) {
- Info("Reconstruct","Tracklets already exist");
- return;
+ if(fgTracklets) {
+ fgTracklets->Delete(); delete fgTracklets;
}
- Info("Reconstruct","Trigger tracklets will be produced");
-
- AliTRDtrigger trdTrigger("Trigger","Trigger class");
-
- AliTRDtrigParam *trigp = new AliTRDtrigParam("TRDtrigParam","TRD Trigger parameters");
-
- if (runLoader->GetAliRun() == 0x0) runLoader->LoadgAlice();
- gAlice = runLoader->GetAliRun();
- Double_t x[3] = { 0.0, 0.0, 0.0 };
- Double_t b[3];
- gAlice->Field(x,b); // b[] is in kilo Gauss
- Float_t field = b[2] * 0.1; // Tesla
- Info("Reconstruct","Trigger set for magnetic field = %f Tesla \n",field);
-
- trigp->SetField(field);
- trigp->Init();
- trdTrigger.SetParameter(trigp);
-
- for (Int_t iEvent = 0; iEvent < nEvents; iEvent++) {
- trdTrigger.Open(runLoader->GetFileName(), iEvent);
- trdTrigger.ReadDigits();
- trdTrigger.MakeTracklets();
- trdTrigger.WriteTracklets(-1);
+ if(fSteerParam&kOwner){
+ for(Int_t itask = 0; itask < kNtasks; itask++)
+ if(fDebugStream[itask]) delete fDebugStream[itask];
}
+}
- loader->UnloadTracks();
+//_____________________________________________________________________________
+void AliTRDReconstructor::Init(){
+ //
+ // Init Options
+ //
+ SetOption(GetOption());
+ Options(fSteerParam, fStreamLevel);
}
//_____________________________________________________________________________
-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");
+ //AliInfo("Convert raw data digits into digit objects [RawReader -> Digit TTree]");
- AliLoader *loader=runLoader->GetLoader("TRDLoader");
- loader->LoadRecPoints("recreate");
+ AliTRDrawData rawData;
+ rawReader->Reset();
+ rawReader->Select("TRD");
+ rawData.OpenOutput();
+ AliTRDdigitsManager *manager = rawData.Raw2Digits(rawReader);
+ manager->MakeBranch(digitsTree);
+ manager->WriteDigits();
+ delete manager;
- AliTRDclusterizerV1 clusterer("clusterer", "TRD clusterizer");
- runLoader->CdGAFile();
- Int_t nEvents = runLoader->GetNumberOfEvents();
+}
- for (Int_t iEvent = 0; iEvent < nEvents; iEvent++) {
- if (!rawReader->NextEvent()) break;
- clusterer.Open(runLoader->GetFileName(), iEvent);
- clusterer.ReadDigits(rawReader);
- clusterer.MakeClusters();
- clusterer.WriteClusters(-1);
- }
+//_____________________________________________________________________________
+void AliTRDReconstructor::Reconstruct(AliRawReader *rawReader
+ , TTree *clusterTree) const
+{
+ //
+ // Reconstruct clusters
+ //
- loader->UnloadRecPoints();
+ //AliInfo("Reconstruct TRD clusters from RAW data [RawReader -> Cluster TTree]");
- // Trigger (tracklets, LTU)
- loader->LoadTracks();
- if (loader->TreeT()) {
- Info("Reconstruct","Tracklets already exist");
- return;
- }
- Info("Reconstruct","Trigger tracklets will be produced");
+ rawReader->Reset();
+ rawReader->Select("TRD");
+
+ // New (fast) cluster finder
+ AliTRDclusterizer clusterer(fgTaskNames[kClusterizer], fgTaskNames[kClusterizer]);
+ clusterer.SetReconstructor(this);
+ clusterer.OpenOutput(clusterTree);
+ clusterer.OpenTrackletOutput();
+ clusterer.SetUseLabels(kFALSE);
+ clusterer.Raw2ClustersChamber(rawReader);
+
+ if(IsWritingClusters()) return;
- AliTRDtrigger trdTrigger("Trigger","Trigger class");
+ // take over ownership of clusters
+ fgClusters = clusterer.RecPoints();
+ clusterer.SetClustersOwner(kFALSE);
- AliTRDtrigParam *trigp = new AliTRDtrigParam("TRDtrigParam","TRD Trigger parameters");
+ // take over ownership of online tracklets
+ fgTracklets = clusterer.TrackletsArray();
+ clusterer.SetTrackletsOwner(kFALSE);
+}
- if (runLoader->GetAliRun() == 0x0) runLoader->LoadgAlice();
- gAlice = runLoader->GetAliRun();
- Double_t x[3] = { 0.0, 0.0, 0.0 };
- Double_t b[3];
- gAlice->Field(x,b); // b[] is in kilo Gauss
- Float_t field = b[2] * 0.1; // Tesla
- Info("Reconstruct","Trigger set for magnetic field = %f Tesla \n",field);
+//_____________________________________________________________________________
+void AliTRDReconstructor::Reconstruct(TTree *digitsTree
+ , TTree *clusterTree) const
+{
+ //
+ // Reconstruct clusters
+ //
- trigp->SetField(field);
- trigp->Init();
- trdTrigger.SetParameter(trigp);
+ //AliInfo("Reconstruct TRD clusters from Digits [Digit TTree -> Cluster TTree]");
- rawReader->RewindEvents();
+ AliTRDclusterizer clusterer(fgTaskNames[kClusterizer], fgTaskNames[kClusterizer]);
+ clusterer.SetReconstructor(this);
+ clusterer.OpenOutput(clusterTree);
+ clusterer.ReadDigits(digitsTree);
+ clusterer.MakeClusters();
- for (Int_t iEvent = 0; iEvent < nEvents; iEvent++) {
- if (!rawReader->NextEvent()) break;
- trdTrigger.Open(runLoader->GetFileName(), iEvent);
- trdTrigger.ReadDigits(rawReader);
- trdTrigger.MakeTracklets();
- trdTrigger.WriteTracklets(-1);
- }
+ if(IsWritingClusters()) return;
- loader->UnloadTracks();
+ // take over ownership of clusters
+ fgClusters = clusterer.RecPoints();
+ clusterer.SetClustersOwner(kFALSE);
+ // take over ownership of online tracklets
+ fgTracklets = clusterer.TrackletsArray();
+ clusterer.SetTrackletsOwner(kFALSE);
}
//_____________________________________________________________________________
-AliTracker* AliTRDReconstructor::CreateTracker(AliRunLoader* runLoader) const
+AliTracker *AliTRDReconstructor::CreateTracker() const
{
-// create a TRD tracker
+ //
+ // Create a TRD tracker
+ //
+
+ //return new AliTRDtracker(NULL);
+ AliTRDtrackerV1 *tracker = new AliTRDtrackerV1();
+ tracker->SetReconstructor(this);
+ return tracker;
- runLoader->CdGAFile();
- return new AliTRDtracker(gFile);
}
//_____________________________________________________________________________
-void AliTRDReconstructor::FillESD(AliRunLoader* runLoader,
- AliESD* esd) const
+void AliTRDReconstructor::FillESD(TTree* /*digitsTree*/
+ , TTree* /*clusterTree*/
+ , AliESDEvent* /*esd*/) const
{
-// make PID
-
- Double_t parTRD[] = {
- 280., // Min. Ionizing Particle signal. Check it !!!
- 0.23, // relative resolution Check it !!!
- 10. // PID range (in sigmas)
- };
- AliTRDpidESD trdPID(parTRD);
- trdPID.MakePID(esd);
-
- // Trigger (tracks, GTU)
-
- AliTRDtrigger trdTrigger("Trigger","Trigger class");
-
- AliTRDtrigParam *trigp = new AliTRDtrigParam("TRDtrigParam","TRD Trigger parameters");
-
- if (runLoader->GetAliRun() == 0x0) runLoader->LoadgAlice();
- gAlice = runLoader->GetAliRun();
- Double_t x[3] = { 0.0, 0.0, 0.0 };
- Double_t b[3];
- gAlice->Field(x,b); // b[] is in kilo Gauss
- Float_t field = b[2] * 0.1; // Tesla
- Info("FillESD","Trigger set for magnetic field = %f Tesla \n",field);
-
- trigp->SetField(field);
- trigp->Init();
-
- trdTrigger.SetParameter(trigp);
- trdTrigger.SetRunLoader(runLoader);
- trdTrigger.Init();
-
- Int_t iEvent = runLoader->GetEventNumber();
- runLoader->GetEvent(iEvent);
- trdTrigger.ReadTracklets(runLoader);
+ //
+ // Fill ESD
+ //
- AliESDTrdTrack *TrdTrack = new AliESDTrdTrack();
- AliTRDgtuTrack *GtuTrack;
-
- Int_t nTracks = trdTrigger.GetNumberOfTracks();
- for (Int_t iTrack = 0; iTrack < nTracks; iTrack++) {
-
- GtuTrack = trdTrigger.GetTrack(iTrack);
-
- TrdTrack->SetYproj(GtuTrack->GetYproj());
- TrdTrack->SetZproj(GtuTrack->GetZproj());
- TrdTrack->SetSlope(GtuTrack->GetSlope());
- TrdTrack->SetDetector(GtuTrack->GetDetector());
- TrdTrack->SetTracklets(GtuTrack->GetTracklets());
- TrdTrack->SetPlanes(GtuTrack->GetPlanes());
- TrdTrack->SetClusters(GtuTrack->GetClusters());
- TrdTrack->SetPt(GtuTrack->GetPt());
- TrdTrack->SetPhi(GtuTrack->GetPhi());
- TrdTrack->SetEta(GtuTrack->GetEta());
- TrdTrack->SetLabel(GtuTrack->GetLabel());
- TrdTrack->SetPID(GtuTrack->GetPID());
- TrdTrack->SetIsElectron(GtuTrack->IsElectron());
+}
- esd->AddTrdTrack(TrdTrack);
+//_____________________________________________________________________________
+void AliTRDReconstructor::SetOption(Option_t *opt)
+{
+ //
+ // Read option string into the steer param.
+ //
+
+ 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;
+ }
+ // 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;
+
+ AliWarning(Form("Unknown option flag %s.", sopt.Data()));
}
+}
+//_____________________________________________________________________________
+void AliTRDReconstructor::SetStreamLevel(Int_t level, ETRDReconstructorTask task){
+ //
+ // Set the Stream Level for one of the tasks Clusterizer, Tracker or PID
+ //
+ 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);
+ }
}
+//_____________________________________________________________________________
+void AliTRDReconstructor::Options(UInt_t steer, UChar_t *stream)
+{
+ //
+ // 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"):""));
+ }
+ AliDebugGeneral("AliTRDReconstructor", 1, " Debug Streaming");
+ for(Int_t it=0; it<kNtasks; it++)
+ AliDebugGeneral("AliTRDReconstructor", 1, Form(" %s [sl_%s] %d", fgTaskNames[it], fgTaskFlags[it], stream ? stream[it] : 0));
+}
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