+++ /dev/null
-/**************************************************************************
- * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- * *
- * Author: The ALICE Off-line Project. *
- * Contributors are mentioned in the code where appropriate. *
- * *
- * Permission to use, copy, modify and distribute this software and its *
- * documentation strictly for non-commercial purposes is hereby granted *
- * without fee, provided that the above copyright notice appears in all *
- * copies and that both the copyright notice and this permission notice *
- * appear in the supporting documentation. The authors make no claims *
- * about the suitability of this software for any purpose. It is *
- * provided "as is" without express or implied warranty. *
- **************************************************************************/
-
-/*****************************************************************
- AliStarEvent: Event container for star data
-
- origin: Mikolaj Krzewicki (mikolaj.krzewicki@cern.ch)
-*****************************************************************/
-
-#include <string.h>
-#include <TObjArray.h>
-#include "AliStarTrack.h"
-#include "AliStarEvent.h"
-
-ClassImp(AliStarEvent)
-
-//______________________________________________________________________________
-AliStarEvent::AliStarEvent():
- TObject(),
- fParams(),
- fTracks(NULL)
-{
- //ctor
-}
-
-//______________________________________________________________________________
-AliStarEvent::AliStarEvent( Int_t n ):
- TObject(),
- fParams(),
- fTracks(new TObjArray(n) )
-{
- //ctor
-}
-
-//______________________________________________________________________________
-AliStarEvent::AliStarEvent( const AliStarEvent& event ):
- TObject(event),
- fParams(),
- fTracks((TObjArray*)(event.fTracks)->Clone())
-{
- //copy ctor
- memcpy(fParams,event.fParams,fgkNparams*sizeof(Float_t));
-}
-
-//______________________________________________________________________________
-AliStarEvent& AliStarEvent::operator=( const AliStarEvent& event )
-{
- //assignment
- if (this == &event) return *this;
- TObject::operator=(event);
- memcpy(fParams,event.fParams,fgkNparams*sizeof(Float_t));
- if (fTracks) fTracks->Delete();
- delete fTracks;
- if (event.fTracks)
- fTracks = (TObjArray*)(event.fTracks)->Clone(); //deep copy
- return *this;
-}
-
-//______________________________________________________________________________
-void AliStarEvent::SetParams( const Float_t* params )
-{
- //set params
- memcpy(fParams,params,fgkNparams*sizeof(Float_t));
-}
-
-//______________________________________________________________________________
-AliStarEvent::~AliStarEvent()
-{
- //dtor
- if (fTracks) fTracks->Delete();
- delete fTracks;
-}
-
-//______________________________________________________________________________
-const AliStarTrack* AliStarEvent::GetTrack( const Int_t i ) const
-{
- //get track i
- if (!fTracks) return NULL;
- return static_cast<AliStarTrack*>(fTracks->At(i));
-}
-
-//______________________________________________________________________________
-void AliStarEvent::AddTrack( AliStarTrack* track )
-{
- //add a new track to collection
- if (!fTracks) return;
- fTracks->Add(track);
-}
-
-//______________________________________________________________________________
-void AliStarEvent::Reset()
-{
- //remove all tracks if any and zero the event information
- if (!fTracks)
- {
- fTracks=new TObjArray(1024);
- return;
- }
- fTracks->Delete();
- for (Int_t i=0;i<fgkNparams; i++){fParams[i]=0;}
-}
-
-//______________________________________________________________________________
-void AliStarEvent::Print( Option_t* option ) const
-{
- //print info
- // TNtuple* event: names are documented in the next 2 lines
- // event = new TNtuple("event","event",
- // "runId:eventNumber:VtxX:VtxY:VtxZ:BField:refMult:centralityId:numberOfPrimaryTracks:numberOfParticles:h0:h1:h2:h3:h4" ) ;
- //
-
- Int_t runId = (Int_t) fParams[0] ;
- Int_t eventNumber = (Int_t) fParams[1] ;
- Float_t primaryVertexPosition[3]={ (Float_t) fParams[2],
- (Float_t) fParams[3],
- (Float_t) fParams[4] };
- Float_t magneticField = (Float_t) fParams[5] ; // kilogauss
- Int_t refMult = (Int_t) fParams[6] ; // Raw Mult into 0.5 unit: a relative number, not total Mult.
- Int_t centralityId = (Int_t) fParams[7] ; // STAR centrality bin # based on refMult
- Int_t numberOfPrimaryTracks = (Int_t) fParams[8] ; // # of primaries, including FTPC tracks which are not in ntuple
- Int_t numberOfParticles = (Int_t) fParams[9] ; // # of particles passing track cuts, thus in ntuple
-
- printf("\n runId eventNo VtxX VtxY VtxZ MagFld refMult CentBin #PrimeTrak #Tracks \n") ;
- printf("%7d %6d %7.4f %7.4f %7.3f %6.3f %6d %6d %6d %6d \n\n",
- runId, eventNumber, primaryVertexPosition[0], primaryVertexPosition[1], primaryVertexPosition[2],
- magneticField, refMult, centralityId, numberOfPrimaryTracks, numberOfParticles ) ;
-
- //Int_t newCentralityID ;
- //newCentralityID = Centrality( refMult) ; // Should be the same as "centralityID" from tape
- //cout << "Test: should be the same " << newCentralityID << " " << centralityId << endl ; // JT test
-
- TString optionstr(option);
- if (!optionstr.Contains("all")) return;
- if (!fTracks) return;
- AliStarTrack* track = static_cast<AliStarTrack*>( fTracks->First() );
- if (!track) return;
- track->Print("legend");
- fTracks->Print();
-}
-
-//______________________________________________________________________________
-Int_t AliStarEvent::CalculateCentrality( Int_t referenceMultiplicity ) const
-{
- // Note Carefully: Centrality is based on refMult. This is the 'reference' multiplicity that is measured
- // independpently from the TPC. Selecting the centrality bins according to the refMult is something that
- // is calibrated for each year and each run. You can get the basic information off the web:
- // For Example .... http://www.star.bnl.gov/protected/common/common2004/trigger2004/200gev/200gevFaq.html
- // An index pointing to FAQs, Trigger and Centrality data, for all years, is available at:
- // http://www.star.bnl.gov/public/all
- //
- // Note: Add 0.5 to the (int) that is returned by centrality() when using it as an argument for a histogram
- // that expects (float) or (double) as input parameters. This will place the data point in the center of
- // the bin, avoids ambiguities, and is best for plotting scatter plots and contour plots.
- // For example histogram2D[1] -> Fill ( (float)CentralityID + 0.5 , SumData ) ;
- //
- // The refMult quoted in the Centrality bins array is the lower limit on refMult
-
-
- Int_t centralityBins [] = { 14 , 31 , 57 , 96 , 150 , 222 , 319 , 441 , 520 , 1000 } ; // Run4 200 GeV
- Int_t middleBinID [] = { 0 , 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 } ; // ID Number
- //Info middleBinPercent[] = { 85., 75., 65., 55., 45., 35., 25., 15., 7.5 , 2.5 } ; // Percent
- Int_t myCentrality ;
-
- if ( referenceMultiplicity < centralityBins[0] )
- {
- myCentrality = middleBinID[0] ;
- }
- else if ( referenceMultiplicity < centralityBins[1] )
- {
- myCentrality = middleBinID[1] ;
- }
- else if ( referenceMultiplicity < centralityBins[2] )
- {
- myCentrality = middleBinID[2] ;
- }
- else if ( referenceMultiplicity < centralityBins[3] )
- {
- myCentrality = middleBinID[3] ;
- }
- else if ( referenceMultiplicity < centralityBins[4] )
- {
- myCentrality = middleBinID[4] ;
- }
- else if ( referenceMultiplicity < centralityBins[5] )
- {
- myCentrality = middleBinID[5] ;
- }
- else if ( referenceMultiplicity < centralityBins[6] )
- {
- myCentrality = middleBinID[6] ;
- }
- else if ( referenceMultiplicity < centralityBins[7] )
- {
- myCentrality = middleBinID[7] ;
- }
- else if ( referenceMultiplicity < centralityBins[8] )
- {
- myCentrality = middleBinID[8] ;
- }
- else
- {
- myCentrality = middleBinID[9] ;
- }
-
- return myCentrality ;
-}
-
-
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff