The direction of z was reversed in GetMomentumDirection ... nobody remembers why...
authorschutz <schutz@f7af4fe6-9843-0410-8265-dc069ae4e863>
Tue, 10 Feb 2004 15:53:10 +0000 (15:53 +0000)
committerschutz <schutz@f7af4fe6-9843-0410-8265-dc069ae4e863>
Tue, 10 Feb 2004 15:53:10 +0000 (15:53 +0000)
PHOS/AliPHOSPIDv1.cxx

index 3cda941..8a6d8ad 100644 (file)
@@ -515,7 +515,7 @@ TVector3 AliPHOSPIDv1::GetMomentumDirection(AliPHOSEmcRecPoint * emc, AliPHOSRec
   
 
   dir = emcglobalpos ;  
-  dir.SetZ( -dir.Z() ) ;   // why ?  
+  //dir.SetZ( -dir.Z() ) ;   // why ?  
   dir.SetMag(1.) ;
 
   //account correction to the position of IP