From 8aac1c413b9ac0b3bc60fddd1ba387f7854f825e Mon Sep 17 00:00:00 2001
From: cvetan <cvetan@f7af4fe6-9843-0410-8265-dc069ae4e863>
Date: Thu, 31 May 2007 13:32:49 +0000
Subject: [PATCH] Removing MC position of the primary vertex (Jouri)

---
 T0/esdAna.h                 | 8 --------
 macros/TestVertexerTracks.C | 6 ++++--
 macros/mcminiesd.C          | 3 ---
 3 files changed, 4 insertions(+), 13 deletions(-)

diff --git a/T0/esdAna.h b/T0/esdAna.h
index 07249e36e9f..52b0dde484a 100644
--- a/T0/esdAna.h
+++ b/T0/esdAna.h
@@ -61,7 +61,6 @@ public :
    Double_t        fSPDVertex_fCovZZ;
    Double_t        fSPDVertex_fSNR[3];
    Double_t        fSPDVertex_fChi2;
-   Double_t        fSPDVertex_fTruePos[3];
    UInt_t          fPrimaryVertex_fUniqueID;
    UInt_t          fPrimaryVertex_fBits;
    TString         fPrimaryVertex_fName;
@@ -77,7 +76,6 @@ public :
    Double_t        fPrimaryVertex_fCovZZ;
    Double_t        fPrimaryVertex_fSNR[3];
    Double_t        fPrimaryVertex_fChi2;
-   Double_t        fPrimaryVertex_fTruePos[3];
    UInt_t          fSPDMult_fUniqueID;
    UInt_t          fSPDMult_fBits;
    Int_t           fSPDMult_fNtracks;
@@ -414,7 +412,6 @@ public :
    TBranch        *b_ESD_fSPDVertex_fCovZZ;   //!
    TBranch        *b_ESD_fSPDVertex_fSNR;   //!
    TBranch        *b_ESD_fSPDVertex_fChi2;   //!
-   TBranch        *b_ESD_fSPDVertex_fTruePos;   //!
    TBranch        *b_ESD_fPrimaryVertex_fUniqueID;   //!
    TBranch        *b_ESD_fPrimaryVertex_fBits;   //!
    TBranch        *b_ESD_fPrimaryVertex_fName;   //!
@@ -430,7 +427,6 @@ public :
    TBranch        *b_ESD_fPrimaryVertex_fCovZZ;   //!
    TBranch        *b_ESD_fPrimaryVertex_fSNR;   //!
    TBranch        *b_ESD_fPrimaryVertex_fChi2;   //!
-   TBranch        *b_ESD_fPrimaryVertex_fTruePos;   //!
    TBranch        *b_ESD_fSPDMult_fUniqueID;   //!
    TBranch        *b_ESD_fSPDMult_fBits;   //!
    TBranch        *b_ESD_fSPDMult_fNtracks;   //!
@@ -804,7 +800,6 @@ void esdAna::Init(TTree *tree)
    fChain->SetBranchAddress("fSPDVertex.fCovZZ",&fSPDVertex_fCovZZ);
    fChain->SetBranchAddress("fSPDVertex.fSNR[3]",fSPDVertex_fSNR);
    fChain->SetBranchAddress("fSPDVertex.fChi2",&fSPDVertex_fChi2);
-   fChain->SetBranchAddress("fSPDVertex.fTruePos[3]",fSPDVertex_fTruePos);
    fChain->SetBranchAddress("fPrimaryVertex.fUniqueID",&fPrimaryVertex_fUniqueID);
    fChain->SetBranchAddress("fPrimaryVertex.fBits",&fPrimaryVertex_fBits);
    fChain->SetBranchAddress("fPrimaryVertex.fName",&fPrimaryVertex_fName);
@@ -820,7 +815,6 @@ void esdAna::Init(TTree *tree)
    fChain->SetBranchAddress("fPrimaryVertex.fCovZZ",&fPrimaryVertex_fCovZZ);
    fChain->SetBranchAddress("fPrimaryVertex.fSNR[3]",fPrimaryVertex_fSNR);
    fChain->SetBranchAddress("fPrimaryVertex.fChi2",&fPrimaryVertex_fChi2);
-   fChain->SetBranchAddress("fPrimaryVertex.fTruePos[3]",fPrimaryVertex_fTruePos);
    fChain->SetBranchAddress("fSPDMult.fUniqueID",&fSPDMult_fUniqueID);
    fChain->SetBranchAddress("fSPDMult.fBits",&fSPDMult_fBits);
    fChain->SetBranchAddress("fSPDMult.fNtracks",&fSPDMult_fNtracks);
@@ -1174,7 +1168,6 @@ Bool_t esdAna::Notify()
    b_ESD_fSPDVertex_fCovZZ = fChain->GetBranch("fSPDVertex.fCovZZ");
    b_ESD_fSPDVertex_fSNR = fChain->GetBranch("fSPDVertex.fSNR[3]");
    b_ESD_fSPDVertex_fChi2 = fChain->GetBranch("fSPDVertex.fChi2");
-   b_ESD_fSPDVertex_fTruePos = fChain->GetBranch("fSPDVertex.fTruePos[3]");
    b_ESD_fPrimaryVertex_fUniqueID = fChain->GetBranch("fPrimaryVertex.fUniqueID");
    b_ESD_fPrimaryVertex_fBits = fChain->GetBranch("fPrimaryVertex.fBits");
    b_ESD_fPrimaryVertex_fName = fChain->GetBranch("fPrimaryVertex.fName");
@@ -1190,7 +1183,6 @@ Bool_t esdAna::Notify()
    b_ESD_fPrimaryVertex_fCovZZ = fChain->GetBranch("fPrimaryVertex.fCovZZ");
    b_ESD_fPrimaryVertex_fSNR = fChain->GetBranch("fPrimaryVertex.fSNR[3]");
    b_ESD_fPrimaryVertex_fChi2 = fChain->GetBranch("fPrimaryVertex.fChi2");
-   b_ESD_fPrimaryVertex_fTruePos = fChain->GetBranch("fPrimaryVertex.fTruePos[3]");
    b_ESD_fSPDMult_fUniqueID = fChain->GetBranch("fSPDMult.fUniqueID");
    b_ESD_fSPDMult_fBits = fChain->GetBranch("fSPDMult.fBits");
    b_ESD_fSPDMult_fNtracks = fChain->GetBranch("fSPDMult.fNtracks");
diff --git a/macros/TestVertexerTracks.C b/macros/TestVertexerTracks.C
index 93e96a2e532..9d2556f7465 100644
--- a/macros/TestVertexerTracks.C
+++ b/macros/TestVertexerTracks.C
@@ -51,8 +51,10 @@ void TestVertexerTracks(){
 
   rl->GetEvent(e);
   AliESDVertex *vertESD = event->GetVertex();
-  Double_t mcVertex[3], recVertex[3];
-  vertESD->GetTruePos(mcVertex);
+  Double_t recVertex[3];
+  AliGenEventHeader *header=rl->GetHeader()->GenEventHeader();
+  TArrayF mcVertex(3);
+  header->PrimaryVertex(mcVertex);
   cout<<"Primary vertex (MC) ";
   for(Int_t kk=0;kk<3;kk++)cout<<mcVertex[kk]<<" ";
   cout<<endl;
diff --git a/macros/mcminiesd.C b/macros/mcminiesd.C
index 41685b646d8..2915a2ee7f5 100644
--- a/macros/mcminiesd.C
+++ b/macros/mcminiesd.C
@@ -80,9 +80,6 @@ void copyGeneralESDInfo(AliESD* esdIn, AliESD* esdOut) {
     vtxOut = new AliESDVertex(pos,cov,
 					     vtxIn->GetChi2(),
 					     vtxIn->GetNContributors());
-    Double_t tp[3];
-    vtxIn->GetTruePos(tp);
-    vtxOut->SetTruePos(tp);
   }
   else
     vtxOut = new AliESDVertex();
-- 
2.31.1