Bug fix in assignign clusters to the track

[u/mrichter/AliRoot.git] / ITS / AliITSVertexer3D.cxx

diff --git a/ITS/AliITSVertexer3D.cxx b/ITS/AliITSVertexer3D.cxx
index 7b9acf4b9245115b98eea09037f5df7753d5652d..e49a9b7ca80aec8a759b768864620737848a19a4 100644 (file)
--- a/ITS/AliITSVertexer3D.cxx
+++ b/ITS/AliITSVertexer3D.cxx
@@ -33,7 +33,7 @@
 // p-p collisions
 ////////////////////////////////////////////////////////////////
 
-const Int_t    AliITSVertexer3D::fgkMaxNumOfClDefault = 500;
+const Int_t    AliITSVertexer3D::fgkMaxNumOfClDefault = 1000;
 
 ClassImp(AliITSVertexer3D)
 
@@ -554,7 +554,7 @@ Int_t AliITSVertexer3D::FindTracklets(TTree *itsClusterTree, Int_t optCuts){
 
   Int_t nolines = 0;
   // Loop on modules of layer 1
-  Int_t firstL1 = AliITSgeomTGeo::GetModuleIndex(1,1,1);
+  Int_t firstL1 = TMath::Max(0,AliITSgeomTGeo::GetModuleIndex(1,1,1));
   Int_t lastL1 = AliITSgeomTGeo::GetModuleIndex(2,1,1)-1;
   for(Int_t modul1= firstL1; modul1<=lastL1;modul1++){   // Loop on modules of layer 1
     if(!fUseModule[modul1]) continue;
@@ -578,6 +578,7 @@ Int_t AliITSVertexer3D::FindTracklets(TTree *itsClusterTree, Int_t optCuts){
          Int_t ladmod=fLadders[ladder-1]+ladl2;
          if(ladmod>AliITSgeomTGeo::GetNLadders(2)) ladmod=ladmod-AliITSgeomTGeo::GetNLadders(2);
          Int_t modul2=AliITSgeomTGeo::GetModuleIndex(2,ladmod,k+1);
+         if(modul2<0)continue;
          if(!fUseModule[modul2]) continue;
          itsRec=rpcont->UncheckedGetClusters(modul2);
          Int_t nrecp2 = itsRec->GetEntries();