]> git.uio.no Git - u/mrichter/AliRoot.git/blobdiff - TRD/AliTRDReconstructor.cxx
small correction for error calculation
[u/mrichter/AliRoot.git] / TRD / AliTRDReconstructor.cxx
index 98fec9d61f35b684fbcc171fbf00954ac54a6eb3..e24a499fc50cad8a1ae5409633f9d7699fa19b70 100644 (file)
@@ -1,17 +1,17 @@
 /**************************************************************************
- * 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.                  *
+**************************************************************************/
 
 /* $Id$ */
 
@@ -22,6 +22,9 @@
 ///////////////////////////////////////////////////////////////////////////////
 
 #include <TFile.h>
+#include <TObjString.h>
+#include <TObjArray.h>
+#include <TClonesArray.h>
 
 #include "AliRunLoader.h"
 #include "AliRawReader.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)
 
-Bool_t AliTRDReconstructor::fgkSeedingOn  = kFALSE;
-Int_t  AliTRDReconstructor::fgStreamLevel = 0;      // Stream (debug) level
-AliTRDrecoParam* AliTRDReconstructor::fgRecoParam = 0x0; 
+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()
+  ,fSteerParam(0)
+{
+  // 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
+}
 
 //_____________________________________________________________________________
-AliTRDReconstructor::~AliTRDReconstructor()                  { 
-       if(fgRecoParam) delete fgRecoParam;
+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);
 }
 
+//_____________________________________________________________________________
+AliTRDReconstructor::~AliTRDReconstructor()
+{
+  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];
+  }
+}
 
 
+//_____________________________________________________________________________
+void AliTRDReconstructor::Init(){
+  //
+  // Init Options
+  //
+  SetOption(GetOption());
+  Options(fSteerParam, fStreamLevel);
+}
+
 //_____________________________________________________________________________
 void AliTRDReconstructor::ConvertDigits(AliRawReader *rawReader
-                                     , TTree *digitsTree) const
+              , TTree *digitsTree) const
 {
   //
   // Convert raw data digits into digit objects in a root tree
   //
 
-  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();
@@ -81,20 +204,29 @@ void AliTRDReconstructor::Reconstruct(AliRawReader *rawReader
   // Reconstruct clusters
   //
 
-  AliInfo("Reconstruct TRD clusters from RAW data [RawReader -> Cluster TTree]");
+  //AliInfo("Reconstruct TRD clusters from RAW data [RawReader -> Cluster TTree]");
 
-       // TODO move it to rec.C. check TPC
-       fgRecoParam = AliTRDrecoParam::GetLowFluxParam();
 
   rawReader->Reset();
   rawReader->Select("TRD");
 
   // New (fast) cluster finder
-  AliTRDclusterizer clusterer("clusterer","TRD clusterizer");
+  AliTRDclusterizer clusterer(fgTaskNames[kClusterizer], fgTaskNames[kClusterizer]);
+  clusterer.SetReconstructor(this);
   clusterer.OpenOutput(clusterTree);
-  clusterer.SetAddLabels(kFALSE);
+  clusterer.OpenTrackletOutput();
+  clusterer.SetUseLabels(kFALSE);
   clusterer.Raw2ClustersChamber(rawReader);
+  
+  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);
 }
 
 //_____________________________________________________________________________
@@ -105,16 +237,23 @@ void AliTRDReconstructor::Reconstruct(TTree *digitsTree
   // Reconstruct clusters
   //
 
-  AliInfo("Reconstruct TRD clusters from Digits [Digit TTree -> Cluster TTree]");
+  //AliInfo("Reconstruct TRD clusters from Digits [Digit TTree -> Cluster TTree]");
 
-       // TODO move it to rec.C. check TPC
-       fgRecoParam = AliTRDrecoParam::GetLowFluxParam();
-
-  AliTRDclusterizer clusterer("clusterer","TRD clusterizer");
+  AliTRDclusterizer clusterer(fgTaskNames[kClusterizer], fgTaskNames[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);
 }
 
 //_____________________________________________________________________________
@@ -125,20 +264,97 @@ AliTracker *AliTRDReconstructor::CreateTracker() const
   //
 
   //return new AliTRDtracker(NULL);
-
-       // TODO move it to rec.C. check TPC
-       fgRecoParam = AliTRDrecoParam::GetLowFluxParam();
-  return new AliTRDtrackerV1();
+  AliTRDtrackerV1 *tracker = new AliTRDtrackerV1();
+  tracker->SetReconstructor(this);
+  return tracker;
 
 }
 
 //_____________________________________________________________________________
 void AliTRDReconstructor::FillESD(TTree* /*digitsTree*/
-                               , TTree* /*clusterTree*/
-                               , AliESDEvent* /*esd*/) const
+        , TTree* /*clusterTree*/
+        , AliESDEvent* /*esd*/) const
 {
   //
   // Fill ESD
   //
 
 }
+
+
+//_____________________________________________________________________________
+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)
+{
+  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));
+}
+