BiggerAnalysisMaker.cxx

• Int_t BiggerAnalysisMaker::Make( )

• {

• // Get 'event' data

• StMuEvent* muEvent = mMuDstMaker->muDst()->event() ;

• histogram[0] -> Fill( muEvent->primaryVertexPosition().z() ) ;

• // Get 'track' data, make cuts on tracks, do physics analysis.

• TObjArray* tracks = mMuDstMaker->muDst()->primaryTracks() ;

• TObjArrayIter GetTracks(tracks) ;

• StMuTrack* track ;

• while ( ( track = (StMuTrack*)GetTracks.Next() ) )

• { histogram[1] -> Fill( track->pt() ) ; }

• // Option - you can store the tracks in a TList and do physics analysis

• // on the TList. This is a good way to do pairwise analyses.

• TList HighPtTracks ;

• GetTracks.Reset() ;

• while ( ( track = (StMuTrack*)GetTracks.Next() ) )

• { if ( track->pt() >= 2.0 ) HighPtTracks.Add(track) ; }

• TListIter GetHighPtTracks(&HighPtTracks) ;

• StMuTrack* listedtrack ;

• while ( ( listedtrack = (StMuTrack*)GetHighPtTracks.Next() ))

• { histogram[2] -> Fill ( listedtrack->pt() ) ; }

• mEventsProcessed++ ;

• return kStOK ;

• }