Add pile up selection via EMCal cluster multiplicity, add or update pile-up control...

[u/mrichter/AliRoot.git] / TRD / AliTRDReconstructor.cxx

diff --git a/TRD/AliTRDReconstructor.cxx b/TRD/AliTRDReconstructor.cxx
index 597d7792d20b4dd368bfdd0d2c13ac47db02ba9b..932d06e098f88ff5fc71c63a7c3e8fcaaf53630c 100644 (file)
--- a/TRD/AliTRDReconstructor.cxx
+++ b/TRD/AliTRDReconstructor.cxx
@@ -44,6 +44,7 @@
 #include "AliESDTrdTracklet.h"
 #include "AliESDTrdTrigger.h"
 #include "AliTRDtrackletWord.h"
+#include "AliTRDtrackletMCM.h"
 
 #define SETFLG(n,f) ((n) |= f)
 #define CLRFLG(n,f) ((n) &= ~f)
@@ -221,6 +222,7 @@ void AliTRDReconstructor::Reconstruct(AliRawReader *rawReader
 
   fClusterizer->OpenOutput(clusterTree);
   fClusterizer->SetUseLabels(kFALSE);
+  fClusterizer->SetStoreRawSignals(kTRUE);
   fClusterizer->Raw2ClustersChamber(rawReader);
   
   fgNTimeBins = fClusterizer->GetNTimeBins();
@@ -257,6 +259,7 @@ void AliTRDReconstructor::Reconstruct(TTree *digitsTree
   AliTRDclusterizer clusterer(fgTaskNames[AliTRDrecoParam::kClusterizer], fgTaskNames[AliTRDrecoParam::kClusterizer]);
   clusterer.SetReconstructor(this);
   clusterer.SetUseLabels(kTRUE);
+  clusterer.SetStoreRawSignals(kTRUE);
   clusterer.OpenOutput(clusterTree);
   clusterer.ReadDigits(digitsTree);
   clusterer.MakeClusters();
@@ -306,81 +309,20 @@ void AliTRDReconstructor::FillESD(TTree* /*digitsTree*/
   //
 
   // ----- filling tracklets -----
-  Int_t trackletIndex[1080] = { 0 };
   AliDebug(1, Form("Filling tracklets from %p (%i)",
                   fgTracklets, fgTracklets ? fgTracklets->GetEntriesFast() : 0));
-  if (fgTracklets) {
-    Int_t nTracklets = fgTracklets->GetEntriesFast();
-
-    Int_t lastHC = -1;
-    for (Int_t iTracklet = 0; iTracklet < nTracklets; iTracklet++) {
-      AliTRDtrackletBase *trkl = (AliTRDtrackletBase*) ((*fgTracklets)[iTracklet]);
-      Int_t hc = trkl->GetHCId();
-      //      hc += trkl->GetY() > 0 ? 1 : 0;
-      if ((hc < 0) || (hc >= 1080)) {
-       AliError(Form("HC for tracklet: 0x%08x out of range: %i", trkl->GetTrackletWord(), trkl->GetHCId()));
-       continue;
-      }
-      AliDebug(5, Form("hc: %4i : 0x%08x z: %2i", hc, trkl->GetTrackletWord(), trkl->GetZbin()));
-      if (hc != lastHC) {
-       AliDebug(2, Form("set tracklet index for HC %i to %i", hc, iTracklet));
-       trackletIndex[hc] = iTracklet + 1;
-       lastHC = hc;
-      }
-    }
+  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();
 
-    for (Int_t iDet = 0; iDet < 540; iDet++) {
-      Int_t trklIndexA = trackletIndex[2*iDet + 0] - 1;
-      Int_t trklIndexB = trackletIndex[2*iDet + 1] - 1;
-      Int_t trklIndex  = esd->GetNumberOfTrdTracklets();
-      AliTRDtrackletBase *trklA = trklIndexA > -1 ? (AliTRDtrackletBase*) ((*fgTracklets)[trklIndexA]) : 0x0;
-      AliTRDtrackletBase *trklB = trklIndexB > -1 ? (AliTRDtrackletBase*) ((*fgTracklets)[trklIndexB]) : 0x0;
-      while (trklA != 0x0 || trklB != 0x0) {
-       AliDebug(5, Form("det %i - A: %i/%i -> %p, B: %i/%i -> %p",
-                        iDet, trklIndexA, nTracklets, trklA, trklIndexB, nTracklets, trklB));
-       if (trklA == 0x0) {
-         AliESDTrdTracklet esdTracklet(trklB->GetTrackletWord(), trklB->GetHCId());
-         esd->AddTrdTracklet(&esdTracklet);
-         trklIndexB++;
-         trklB = trklIndexB < nTracklets ? (AliTRDtrackletBase*) ((*fgTracklets)[trklIndexB]) : 0x0;
-         if (trklB && trklB->GetHCId() != 2*iDet + 1)
-           trklB = 0x0;
-       }
-       else if (trklB == 0x0) {
-         AliESDTrdTracklet esdTracklet(trklA->GetTrackletWord(), trklA->GetHCId());
-         esd->AddTrdTracklet(&esdTracklet);
-         trklIndexA++;
-         trklA = trklIndexA < nTracklets ? (AliTRDtrackletBase*) ((*fgTracklets)[trklIndexA]) : 0x0;
-         if (trklA && trklA->GetHCId() != 2*iDet)
-           trklA = 0x0;
-       }
-       else {
-         if ((trklA->GetZbin() < trklB->GetZbin()) ||
-             ((trklA->GetZbin() == trklB->GetZbin()) && (trklA->GetYbin() < trklB->GetYbin()))) {
-           AliESDTrdTracklet esdTracklet(trklA->GetTrackletWord(), trklA->GetHCId());
-           esd->AddTrdTracklet(&esdTracklet);
-           trklIndexA++;
-           trklA = trklIndexA < nTracklets ? (AliTRDtrackletBase*) ((*fgTracklets)[trklIndexA]) : 0x0;
-           if (trklA && trklA->GetHCId() != 2*iDet)
-             trklA = 0x0;
-         }
-         else {
-           AliESDTrdTracklet esdTracklet(trklB->GetTrackletWord(), trklB->GetHCId());
-           esd->AddTrdTracklet(&esdTracklet);
-           trklIndexB++;
-           trklB = trklIndexB < nTracklets ? (AliTRDtrackletBase*) ((*fgTracklets)[trklIndexB]) : 0x0;
-           if (trklB && trklB->GetHCId() != 2*iDet + 1)
-             trklB = 0x0;
-         }
-       }
-      }
-      // updating tracklet indices as in ESD
-      if (esd->GetNumberOfTrdTracklets() != trklIndex) {
-       trackletIndex[2*iDet + 0] = trackletIndex[2*iDet + 1] = trklIndex;
-      }
-      else
-       trackletIndex[2*iDet + 0] = trackletIndex[2*iDet + 1] = -1;
-    }
+    AliESDTrdTracklet *esdTracklet = new AliESDTrdTracklet(tracklet->GetTrackletWord(), tracklet->GetHCId(), label);
+
+    esd->AddTrdTracklet(esdTracklet);
   }
 
   // ----- filling GTU tracks -----
@@ -390,31 +332,25 @@ void AliTRDReconstructor::FillESD(TTree* /*digitsTree*/
     for (Int_t iTrack = 0; iTrack < fgTracks->GetEntriesFast(); iTrack++) {
       AliESDTrdTrack *trdTrack = (AliESDTrdTrack*) ((*fgTracks)[iTrack]);
 
-      UInt_t mask  = trdTrack->GetLayerMask();
       UInt_t stack = trdTrack->GetStack();
 
-      for (Int_t iLayer = 0; iLayer < 6; iLayer++) {
-       if (mask & (1 << iLayer)) {
-
-         Int_t det = trdTrack->GetSector()*30 + stack*6 + iLayer;
-         Int_t idx = trdTrack->GetTrackletIndex(iLayer);
-
-         if ((det < 0) || (det > 539)) {
-           AliError(Form("Invalid detector no. from track: %i", 2*det));
-           continue;
-         }
-         if (trackletIndex[2*det] >= 0) {
-           if ((trackletIndex[2*det] + idx > -1) &&
-               (trackletIndex[2*det] + idx < esd->GetNumberOfTrdTracklets())) {
-             AliESDTrdTracklet *trkl = esd->GetTrdTracklet(trackletIndex[2*det] + idx);
-             if (trkl) {
-               AliDebug(5, Form("adding tracklet: 0x%08x", trkl->GetTrackletWord()));
-               trdTrack->AddTrackletReference(trkl, iLayer);
-             }
-           }
-         }
+      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);
     }