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1 | /************************************************************************** |
| 2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
| 3 | * * |
| 4 | * Author: The ALICE Off-line Project. * |
| 5 | * Contributors are mentioned in the code where appropriate. * |
| 6 | * * |
| 7 | * Permission to use, copy, modify and distribute this software and its * |
| 8 | * documentation strictly for non-commercial purposes is hereby granted * |
| 9 | * without fee, provided that the above copyright notice appears in all * |
| 10 | * copies and that both the copyright notice and this permission notice * |
| 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 | **************************************************************************/ |
| 15 | |
| 16 | /* $Id$ */ |
| 17 | |
| 18 | //------------------------------------------------------------------------- |
| 19 | // Origin: Marian Ivanov marian.ivanov@cern.ch |
| 20 | //------------------------------------------------------------------------- |
| 21 | |
| 22 | #include <Riostream.h> |
| 23 | #include <TMath.h> |
| 24 | #include <TPDGCode.h> |
| 25 | #include "AliESDkink.h" |
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26 | |
| 27 | |
| 28 | ClassImp(AliESDkink) |
| 29 | |
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30 | //____________________________________________________________________ |
| 31 | AliESDkink::AliESDkink() : |
| 32 | TObject(), |
| 33 | fID(0), |
| 34 | fParamDaughter(), |
| 35 | fParamMother(), |
| 36 | fDist1(-1), |
| 37 | fDist2(-1), |
| 38 | fRr(-1), |
| 39 | fShapeFactor(0), |
| 40 | fRow0(-1) |
| 41 | { |
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42 | // |
| 43 | //Dafault constructor |
| 44 | // |
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45 | for (Int_t i=0;i<12;i++) fStatus[i]=0; |
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46 | for (Int_t i=0;i<2;i++) |
| 47 | for (Int_t j=0;j<2;j++){ |
| 48 | fTPCdensity[i][j]=-1; |
| 49 | fTPCdensity2[i][j]=-1; |
| 50 | } |
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51 | fTPCncls[0]=fTPCncls[1]=0; |
| 52 | |
| 53 | for (Int_t i=0; i<3; i++) { |
| 54 | fPdr[i] = 0; |
| 55 | fXr[i] = 0; |
| 56 | fPm[i] = 0; |
| 57 | fAngle[i] = 0; |
| 58 | } |
| 59 | |
| 60 | fLab[0]=fLab[1]=-1; |
| 61 | fIndex[0]=fIndex[1]=-1; |
| 62 | fMultiple[0]=fMultiple[1]=0; |
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63 | } |
| 64 | |
| 65 | void AliESDkink::SetMother(const AliExternalTrackParam & pmother) { |
| 66 | // |
| 67 | // set mother |
| 68 | // |
| 69 | fParamMother = pmother; |
| 70 | } |
| 71 | |
| 72 | void AliESDkink::SetDaughter(const AliExternalTrackParam & pdaughter){ |
| 73 | // |
| 74 | //set daughter |
| 75 | // |
| 76 | fParamDaughter = pdaughter; |
| 77 | |
| 78 | } |
| 79 | |
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80 | Float_t AliESDkink::GetTPCDensityFactor() const |
| 81 | { |
| 82 | // |
| 83 | // |
| 84 | return fTPCdensity[0][0]+fTPCdensity[1][1]-TMath::Max(fTPCdensity[0][1],Float_t(0.0))-TMath::Max(fTPCdensity[1][0],Float_t(0.0)); |
| 85 | } |
| 86 | |
| 87 | Float_t AliESDkink::GetQt() const |
| 88 | { |
| 89 | Float_t dmomentum = TMath::Sqrt(fPdr[0]*fPdr[0]+fPdr[1]*fPdr[1]+fPdr[2]*fPdr[2]); |
| 90 | return TMath::Sin(fAngle[2])*dmomentum; |
| 91 | } |
git://git.uio.no / u / mrichter / AliRoot.git / blame