From 96a7d2998d9339ee87352cbc106320c7f4a050e1 Mon Sep 17 00:00:00 2001
From: morsch <morsch@f7af4fe6-9843-0410-8265-dc069ae4e863>
Date: Tue, 7 Jan 2003 14:12:33 +0000
Subject: [PATCH] Provides collision geometry.

---
 EVGEN/AliGenHijing.cxx | 6 +++++-
 EVGEN/AliGenHijing.h   | 5 ++++-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/EVGEN/AliGenHijing.cxx b/EVGEN/AliGenHijing.cxx
index b7cd18ad08c..498e964e3f8 100644
--- a/EVGEN/AliGenHijing.cxx
+++ b/EVGEN/AliGenHijing.cxx
@@ -15,6 +15,9 @@
 
 /*
 $Log$
+Revision 1.45  2002/12/16 09:44:49  morsch
+Default for fRadiation is 3.
+
 Revision 1.44  2002/10/14 14:55:35  hristov
 Merging the VirtualMC branch to the main development branch (HEAD)
 
@@ -712,7 +715,8 @@ void AliGenHijing::MakeHeader()
     ((AliGenHijingEventHeader*) header)->SetTrials(fTrials);
 // Event Vertex
     header->SetPrimaryVertex(fEventVertex);
-    gAlice->SetGenEventHeader(header);    
+    gAlice->SetGenEventHeader(header);   
+    fCollisionGeometry = (AliGenHijingEventHeader*)  header;
 }
 
 Bool_t AliGenHijing::CheckTrigger()
diff --git a/EVGEN/AliGenHijing.h b/EVGEN/AliGenHijing.h
index 3eb2114ec91..0cc6db46443 100644
--- a/EVGEN/AliGenHijing.h
+++ b/EVGEN/AliGenHijing.h
@@ -79,8 +79,11 @@ class AliGenHijing : public AliGenMC
 	{etamin = fEtaMinJet; etamax = fEtaMaxJet;}
     virtual void    GetJetPhiRange(Float_t& phimin, Float_t& phimax)
 	{phimin = fPhiMinJet*180./TMath::Pi(); phimax = fPhiMaxJet*180./TMath::Pi();}
+    
 
-// Physics Routines	    
+// Physics Routines
+    virtual Bool_t ProvidesCollisionGeometry() {return kTRUE;}
+    virtual AliCollisionGeometry* CollisionGeometry() {return fCollisionGeometry;}
     virtual void EvaluateCrossSections();
     virtual void Boost();
     virtual TGraph* CrossSection()     {return fDsigmaDb;}
-- 
2.31.1