Trigger condition with eta range

[u/mrichter/AliRoot.git] / PYTHIA6 / AliGenPythia.cxx

diff --git a/PYTHIA6/AliGenPythia.cxx b/PYTHIA6/AliGenPythia.cxx
index eccf0f72495e1cb1fdee6a086f26076b3a171da8..abfcc526a7c9155818b500270c77c2c15e36f0d7 100644 (file)
--- a/PYTHIA6/AliGenPythia.cxx
+++ b/PYTHIA6/AliGenPythia.cxx
@@ -130,6 +130,8 @@ AliGenPythia::AliGenPythia():
     fTriggerMaxPt(1000),  
     fTriggerMultiplicity(0),
     fTriggerMultiplicityEta(0),
+    fTriggerMultiplicityEtaMin(0),
+    fTriggerMultiplicityEtaMax(0),
     fTriggerMultiplicityPtMin(0),
     fCountMode(kCountAll),      
     fHeader(0),  
@@ -248,6 +250,8 @@ AliGenPythia::AliGenPythia(Int_t npart)
      fTriggerMaxPt(1000),      
      fTriggerMultiplicity(0),
      fTriggerMultiplicityEta(0),
+     fTriggerMultiplicityEtaMin(0),
+     fTriggerMultiplicityEtaMax(0),
      fTriggerMultiplicityPtMin(0),
      fCountMode(kCountAll),      
      fHeader(0),  
@@ -1053,6 +1057,10 @@ Int_t  AliGenPythia::GenerateMB()
        // eta cut
        if (fTriggerMultiplicityEta > 0 && TMath::Abs(iparticle->Eta()) > fTriggerMultiplicityEta)
          continue;
+       //multiplicity check for a given eta range
+       if ((fTriggerMultiplicityEtaMin != fTriggerMultiplicityEtaMax) && 
+           (iparticle->Eta() < fTriggerMultiplicityEtaMin || iparticle->Eta() > fTriggerMultiplicityEtaMax))
+         continue;
        // pt cut
        if (iparticle->Pt() < fTriggerMultiplicityPtMin) 
            continue;