New task to produce lightweight events for correlation analysis

[u/mrichter/AliRoot.git] / ITS / AliITSVertexer.cxx

diff --git a/ITS/AliITSVertexer.cxx b/ITS/AliITSVertexer.cxx
index b4e0cdd54f9d9cb683e0e4eb3a9eb47096b5c402..6ecff35c54fe813a2a63e2ebb5f23b8d8417f4f0 100644 (file)
--- a/ITS/AliITSVertexer.cxx
+++ b/ITS/AliITSVertexer.cxx
@@ -1,9 +1,12 @@
 #include "AliLog.h"
 #include "AliMultiplicity.h"
 #include "AliITSgeomTGeo.h"
+#include "AliITSDetTypeRec.h"
 #include "AliITSVertexer.h"
 #include "AliITSLoader.h"
 #include "AliITSMultReconstructor.h"
+#include "AliITSRecPointContainer.h"
+#include "AliRunLoader.h"
 
 const Float_t AliITSVertexer::fgkPipeRadius = 3.0;
 
@@ -12,7 +15,7 @@ ClassImp(AliITSVertexer)
 //////////////////////////////////////////////////////////////////////
 // Base class for primary vertex reconstruction                     //
 // AliESDVertexer is a class for full 3D primary vertex finding     //
-// derived classes: AliITSVertexerIons AliITSvertexer3D             //
+// derived classes: AliITSvertexer3D, AliITSVertexerZ.              //       
 //                  AliITSVertexerCosmics                           //
 //////////////////////////////////////////////////////////////////////
 
@@ -20,8 +23,9 @@ ClassImp(AliITSVertexer)
 
 //______________________________________________________________________
 AliITSVertexer::AliITSVertexer():AliVertexer(),
-fLadders(), 
+fLadders(NULL), 
 fLadOnLay2(0),
+fComputeMultiplicity(kFALSE),
 fDetTypeRec(NULL),
 fMinTrackletsForPilup(0),
 fIsPileup(0),
@@ -41,12 +45,8 @@ fLastEvent(-1)
 //______________________________________________________________________
 AliITSVertexer::~AliITSVertexer() {
   // Destructor
-  if(fLadders) delete [] fLadders;
-  if (fNoVertices > 0){
-    delete []fVertArray;
-    fVertArray = NULL;
-    fNoVertices = 0;
-  }
+  delete [] fLadders;
+  delete []fVertArray;
 }
 
 //______________________________________________________________________
@@ -67,18 +67,27 @@ void AliITSVertexer::FindMultiplicity(TTree *itsClusterTree){
   // Invokes AliITSMultReconstructor to determine the
   // charged multiplicity in the pixel layers
   if(fMult){delete fMult; fMult = 0;}
+
   Bool_t success=kTRUE;
+  Bool_t cosmics=kFALSE; 
   if(!fCurrentVertex)success=kFALSE;
   if(fCurrentVertex && fCurrentVertex->GetNContributors()<1)success=kFALSE;
+  if(fCurrentVertex && strstr(fCurrentVertex->GetTitle(),"cosmics")) {
+    success=kFALSE; 
+    cosmics=kTRUE;
+  } 
 
   // get the FastOr bit mask
   TBits fastOrFiredMap = fDetTypeRec->GetFastOrFiredMap();
-
+  TBits firedChipMap = fDetTypeRec->GetFiredChipMap(itsClusterTree);
+ 
   AliITSMultReconstructor multReco;
 
   if(!success){
-    AliWarning("Tracklets multiplicity not determined because the primary vertex was not found");
-    AliWarning("Just counting the number of cluster-fired chips on the SPD layers");
+    if(!cosmics) {     
+      AliDebug(1,"Tracklets multiplicity not determined because the primary vertex was not found");
+      AliDebug(1,"Just counting the number of cluster-fired chips on the SPD layers");
+    }
     if (!itsClusterTree) {
       AliError(" Invalid ITS cluster tree !\n");
       return;
@@ -86,7 +95,13 @@ void AliITSVertexer::FindMultiplicity(TTree *itsClusterTree){
     multReco.LoadClusterFiredChips(itsClusterTree);
     Short_t nfcL1 = multReco.GetNFiredChips(0);
     Short_t nfcL2 = multReco.GetNFiredChips(1);
-    fMult = new AliMultiplicity(0,0,0,0,0,0,0,0,0,0,nfcL1,nfcL2,fastOrFiredMap);
+    fMult = new AliMultiplicity(0,0,0,0,0,0,0,0,0,0,0,nfcL1,nfcL2,fastOrFiredMap);
+    fMult->SetFiredChipMap(firedChipMap);
+    AliITSRecPointContainer* rcont = AliITSRecPointContainer::Instance();
+    fMult->SetITSClusters(0,rcont->GetNClustersInLayer(1,itsClusterTree));
+    for(Int_t kk=2;kk<=6;kk++){
+      fMult->SetITSClusters(kk-1,rcont->GetNClustersInLayerFast(kk));
+    }
     return;
   }
 
@@ -118,14 +133,21 @@ void AliITSVertexer::FindMultiplicity(TTree *itsClusterTree){
   Int_t nosingleclus=multReco.GetNSingleClusters();
   Float_t *ths = new Float_t [nosingleclus];
   Float_t *phs = new Float_t [nosingleclus];
+  Int_t *labelss = new Int_t [nosingleclus];
   for(Int_t i=0;i<nosingleclus;i++){
     ths[i] = multReco.GetCluster(i)[0];
     phs[i] = multReco.GetCluster(i)[1];
+    labelss[i] = (Int_t)multReco.GetCluster(i)[2];
   }
   Short_t nfcL1 = multReco.GetNFiredChips(0);
   Short_t nfcL2 = multReco.GetNFiredChips(1);
-  fMult = new AliMultiplicity(notracks,tht,phi,dtht,dphi,labels,labelsL2,nosingleclus,ths,phs,nfcL1,nfcL2,fastOrFiredMap);
-
+  fMult = new AliMultiplicity(notracks,tht,phi,dtht,dphi,labels,labelsL2,nosingleclus,ths,phs,labelss,nfcL1,nfcL2,fastOrFiredMap);
+  fMult->SetFiredChipMap(firedChipMap);
+  AliITSRecPointContainer* rcont = AliITSRecPointContainer::Instance();
+  fMult->SetITSClusters(0,rcont->GetNClustersInLayer(1,itsClusterTree));
+  for(Int_t kk=2;kk<=6;kk++){
+    fMult->SetITSClusters(kk-1,rcont->GetNClustersInLayerFast(kk));
+  }
   delete [] tht;
   delete [] phi;
   delete [] dtht;
@@ -134,6 +156,7 @@ void AliITSVertexer::FindMultiplicity(TTree *itsClusterTree){
   delete [] phs;
   delete [] labels;
   delete [] labelsL2;
+  delete [] labelss;
 
   return;
 }
@@ -142,6 +165,7 @@ void AliITSVertexer::FindMultiplicity(TTree *itsClusterTree){
 void AliITSVertexer::SetLaddersOnLayer2(Int_t ladwid){
   // Calculates the array of ladders on layer 2 to be used with a 
   // given ladder on layer 1
+  if(ladwid == fLadOnLay2 && fLadders)return;
   fLadOnLay2=ladwid;
   Int_t ladtot1=AliITSgeomTGeo::GetNLadders(1);
   if(fLadders) delete [] fLadders;
@@ -177,7 +201,6 @@ void AliITSVertexer::SetLaddersOnLayer2(Int_t ladwid){
   }
 }
 
-#include "AliRunLoader.h"
 
 //______________________________________________________________________
 void AliITSVertexer::Init(TString filename){
@@ -185,7 +208,8 @@ void AliITSVertexer::Init(TString filename){
   // analysis of an entire file
   AliRunLoader *rl = AliRunLoader::Instance();
   if(!rl){
-    Fatal("AliITSVertexer","Run Loader not found");
+    AliFatal("Run Loader not found");
+    return;
   }
   if (fLastEvent < 0) SetLastEvent(rl->GetNumberOfEvents()-1);