1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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8 * documentation strictly for non-commercial purposes is hereby granted *
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11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
16 //-----------------------------------------------------------------
17 // Implementation of the ESD HLT track class
18 // ESD = Event Summary Data
19 // HLT = High Level Trigger
20 // This is the class to deal with during the phisical analysis of data
21 //-----------------------------------------------------------------
24 #include "AliESDHLTtrack.h"
26 ClassImp(AliESDHLTtrack)
28 AliESDHLTtrack::AliESDHLTtrack() : TObject()
33 fFromMainVertex = kFALSE;
34 fRowRange[0] = fRowRange[1] = 0;
36 fFirstPoint[0] = fFirstPoint[1] = fFirstPoint[2] = 0;
37 fLastPoint[0] = fLastPoint[1] = fLastPoint[2] = 0;
52 Double_t AliESDHLTtrack::GetP() const
54 // Returns total momentum.
55 return TMath::Abs(GetPt())*sqrt(1. + GetTgl()*GetTgl());
58 Double_t AliESDHLTtrack::GetPseudoRapidity() const
60 return 0.5 * TMath::Log((GetP() + GetPz()) / (GetP() - GetPz()));