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[u/mrichter/AliRoot.git] / TRD / AliTRDReconstructor.cxx
index edffd633d2bae80f299b7880567fb34f4186cc5d..be74c987d9fba057a51a84b2f2e099e42d1770c2 100644 (file)
 //                                                                           //
 ///////////////////////////////////////////////////////////////////////////////
 
-#include <TFile.h>
 #include <TObjString.h>
 #include <TObjArray.h>
-#include <TClonesArray.h>
+#include <TTreeStream.h>
+#include <TDirectory.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 "AliTRDdigitsManager.h"
 #include "AliTRDtrackerV1.h"
-#include "AliTRDrecoParam.h"
-
-#include "TTreeStream.h"
 
 #define SETFLG(n,f) ((n) |= f)
 #define CLRFLG(n,f) ((n) &= ~f)
 ClassImp(AliTRDReconstructor)
 
 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"
+};
+
 //_____________________________________________________________________________
 AliTRDReconstructor::AliTRDReconstructor()
   :AliReconstructor()
@@ -65,7 +105,15 @@ AliTRDReconstructor::AliTRDReconstructor()
   // PID method in reconstruction (NN) [nn]
   SETFLG(fSteerParam, kSteerPID);
   // number of dEdx slices in the ESD track [8s]
-  //SETFLG(fSteerParam, kEightSlices);
+  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);
@@ -86,6 +134,10 @@ 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);
@@ -96,9 +148,16 @@ AliTRDReconstructor::AliTRDReconstructor(const AliTRDReconstructor &r)
 //_____________________________________________________________________________
 AliTRDReconstructor::~AliTRDReconstructor()
 {
+  //
+  // Destructor
+  //
+
   if(fgClusters) {
     fgClusters->Delete(); delete fgClusters;
   }
+  if(fgTracklets) {
+    fgTracklets->Delete(); delete fgTracklets;
+  }
   if(fSteerParam&kOwner){
     for(Int_t itask = 0; itask < kNtasks; itask++)
       if(fDebugStream[itask]) delete fDebugStream[itask];
@@ -112,17 +171,7 @@ void AliTRDReconstructor::Init(){
   // Init Options
   //
   SetOption(GetOption());
-
-  AliInfo(Form("\tDigitsConversion       [dc] : %s", fSteerParam&kDigitsConversion?"yes":"no"));
-  AliInfo(Form("\tWrite Clusters         [cw] : %s", fSteerParam&kWriteClusters?"yes":"no"));
-  AliInfo(Form("\tWrite Online Tracklets [tw] : %s", fSteerParam&kWriteTracklets?"yes":"no"));
-  AliInfo(Form("\tDrift Gas Argon        [ar] : %s", fSteerParam&kDriftGas?"yes":"no"));
-  AliInfo(Form("\tStand Alone Tracking   [sa] : %s", fSteerParam&kSeeding?"yes":"no"));
-  AliInfo(Form("\tHLT         Tracking  [hlt] : %s", fSteerParam&kHLT?"yes":"no"));
-  AliInfo(Form("\tCosmic Reconstruction [cos] : %s", fSteerParam&kCosmic?"yes":"no"));
-  AliInfo(Form("\tNN PID                 [nn] : %s", fSteerParam&kSteerPID?"yes":"no"));
-  AliInfo(Form("\t8 dEdx slices in ESD   [8s] : %s", fSteerParam&kEightSlices?"yes":"no"));
-  AliInfo(Form("\tStreaming Levels            : Clusterizer[%d] Tracker[%d] PID[%d]", fStreamLevel[kClusterizer], fStreamLevel[kTracker], fStreamLevel[kPID]));
+  Options(fSteerParam, fStreamLevel);
 }
 
 //_____________________________________________________________________________
@@ -132,13 +181,13 @@ void AliTRDReconstructor::ConvertDigits(AliRawReader *rawReader
   //
   // 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]");
+  //AliInfo("Convert raw data digits into digit objects [RawReader -> Digit TTree]");
 
   AliTRDrawData rawData;
   rawReader->Reset();
   rawReader->Select("TRD");
+  rawData.OpenOutput();
   AliTRDdigitsManager *manager = rawData.Raw2Digits(rawReader);
   manager->MakeBranch(digitsTree);
   manager->WriteDigits();
@@ -161,10 +210,11 @@ void AliTRDReconstructor::Reconstruct(AliRawReader *rawReader
   rawReader->Select("TRD");
 
   // New (fast) cluster finder
-  AliTRDclusterizer clusterer("clusterer","TRD clusterizer",this);
-  //clusterer.SetReconstructor(this);                 //     ^| "this" tells the digitsmanager that we are reading raw files
-  clusterer.OpenOutput(clusterTree);                  //        it is not strictly necessaray but will give a speed up
-  clusterer.SetAddLabels(kFALSE);
+  AliTRDclusterizer clusterer(fgTaskNames[kClusterizer], fgTaskNames[kClusterizer]);
+  clusterer.SetReconstructor(this);
+  clusterer.OpenOutput(clusterTree);
+  clusterer.OpenTrackletOutput();
+  clusterer.SetUseLabels(kFALSE);
   clusterer.Raw2ClustersChamber(rawReader);
   
   if(IsWritingClusters()) return;
@@ -172,6 +222,10 @@ void AliTRDReconstructor::Reconstruct(AliRawReader *rawReader
   // take over ownership of clusters
   fgClusters = clusterer.RecPoints();
   clusterer.SetClustersOwner(kFALSE);
+
+  // take over ownership of online tracklets
+  fgTracklets = clusterer.TrackletsArray();
+  clusterer.SetTrackletsOwner(kFALSE);
 }
 
 //_____________________________________________________________________________
@@ -184,9 +238,9 @@ void AliTRDReconstructor::Reconstruct(TTree *digitsTree
 
   //AliInfo("Reconstruct TRD clusters from Digits [Digit TTree -> Cluster TTree]");
 
-  AliTRDclusterizer clusterer("clusterer","TRD clusterizer");
-  clusterer.SetReconstructor(this);                  //    ^| no this, because we are reading from digitsTree
-  clusterer.OpenOutput(clusterTree);                 //       it is necessary to NOT have the "this" here!
+  AliTRDclusterizer clusterer(fgTaskNames[kClusterizer], fgTaskNames[kClusterizer]);
+  clusterer.SetReconstructor(this);
+  clusterer.OpenOutput(clusterTree);
   clusterer.ReadDigits(digitsTree);
   clusterer.MakeClusters();
 
@@ -195,6 +249,10 @@ void AliTRDReconstructor::Reconstruct(TTree *digitsTree
   // take over ownership of clusters
   fgClusters = clusterer.RecPoints();
   clusterer.SetClustersOwner(kFALSE);
+
+  // take over ownership of online tracklets
+  fgTracklets = clusterer.TrackletsArray();
+  clusterer.SetTrackletsOwner(kFALSE);
 }
 
 //_____________________________________________________________________________
@@ -226,77 +284,49 @@ void AliTRDReconstructor::FillESD(TTree* /*digitsTree*/
 //_____________________________________________________________________________
 void AliTRDReconstructor::SetOption(Option_t *opt)
 {
-// Read option string into the steer param.
-//
-// Default steer param values
-//
-// digits conversion [dc] = false
-// drift gas [ar] = false - do not update the number of exponentials in the TC !
-// write clusters [cw] = true
-// write online tracklets [tw] = false
-// track seeding (stand alone tracking) [sa] = true
-// PID method in reconstruction (NN) [nn] = true
-// 8 dEdx slices in ESD [8s] = false 
-// HLT tracking [hlt] = false
-// Cosmic Reconstruction [cos] = false
-//
+  //
+  // 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());
-    if(sopt.Contains("dc")){
-      SETFLG(fSteerParam, kDigitsConversion);
-      if(sopt.Contains("!")) CLRFLG(fSteerParam, kDigitsConversion);
-      continue;        
-    } else if(sopt.Contains("cw")){ 
-      SETFLG(fSteerParam, kWriteClusters);
-      if(sopt.Contains("!")) CLRFLG(fSteerParam, kWriteClusters);
-      continue;
-    } else if(sopt.Contains("sa")){
-      SETFLG(fSteerParam, kSeeding);
-      if(sopt.Contains("!")) CLRFLG(fSteerParam, kSeeding);
-      continue;
-    } else if(sopt.Contains("nn")){
-      SETFLG(fSteerParam, kSteerPID);
-      if(sopt.Contains("!")) CLRFLG(fSteerParam, kSteerPID);
-      continue;
-    } else if(sopt.Contains("8s")){
-      SETFLG(fSteerParam, kEightSlices);
-      if(sopt.Contains("!")) CLRFLG(fSteerParam, kEightSlices);
-      continue;
-    } else if(sopt.Contains("tw")){
-      SETFLG(fSteerParam, kWriteTracklets);
-      if(sopt.Contains("!")) CLRFLG(fSteerParam, kWriteTracklets);
-      continue;        
-    } else if(sopt.Contains("ar")){
-      SETFLG(fSteerParam, kDriftGas);
-      if(sopt.Contains("!")) CLRFLG(fSteerParam, kDriftGas);
-      continue;        
-    } else if(sopt.Contains("hlt")){
-      SETFLG(fSteerParam, kHLT);
-      if(sopt.Contains("!")) CLRFLG(fSteerParam, kHLT);
-      continue;        
-    } else if(sopt.Contains("cos")){
-      SETFLG(fSteerParam, kCosmic);
-      if(sopt.Contains("!")) CLRFLG(fSteerParam, kCosmic);
-    } else if(sopt.Contains("sl")){
+    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());
-      // Set the stream Level
       Int_t level = levelstring.Atoi();
-      ETRDReconstructorTask task = kTracker;
-      if(taskstr.CompareTo("raw") == 0) task = kRawReader;     
-      else if(taskstr.CompareTo("cl") == 0) task = kClusterizer;       
-      else if(taskstr.CompareTo("tr") == 0) task = kTracker;
-      else if(taskstr.CompareTo("pi") == 0) task = kPID;
-      SetStreamLevel(level, task);
-      continue;
-    }
+
+      // 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()));
   }
 }
 
@@ -305,15 +335,30 @@ void AliTRDReconstructor::SetStreamLevel(Int_t level, ETRDReconstructorTask task
   //
   // Set the Stream Level for one of the tasks Clusterizer, Tracker or PID
   //
-  TString taskname[4] = {"RawReader", "Clusterizer", "Tracker", "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.%sDebug.root", taskname[task].Data()));
+    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));
+}
+