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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 | //Authors: Mihaela Gheata, Andrei Gheata 09/10/00 |
| 19 | //////////////////////////////////////////////////////////////////// |
| 20 | // // |
| 21 | // AliMUONRecoTrack // |
| 22 | // // |
| 23 | // This class represents a reconstructed muon track // |
| 24 | // in the tree of reconstructed events. // |
| 25 | // // |
| 26 | //////////////////////////////////////////////////////////////////// |
| 27 | |
| 28 | #include <Riostream.h> |
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29 | |
| 30 | #include "AliMUONRecoTrack.h" |
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31 | |
| 32 | ClassImp(AliMUONRecoTrack) |
| 33 | |
| 34 | //------------------------------------------------------------------- |
| 35 | AliMUONRecoTrack::AliMUONRecoTrack(Bool_t active) |
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36 | : TObject() |
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37 | { |
| 38 | //Constructor of AliMUONRecoTrack |
| 39 | fSign = 0; |
| 40 | fZvr = 0.0; |
| 41 | fChi2r = 0.0; |
| 42 | if (active) { |
| 43 | for (Int_t axis=0; axis<3; axis++) { |
| 44 | fPr[axis] = 0.0; |
| 45 | } |
| 46 | for (Int_t chamber=0; chamber<10; chamber++) { |
| 47 | fPosX[chamber] = 0.0; |
| 48 | fPosY[chamber] = 0.0; |
| 49 | fPosZ[chamber] = 0.0; |
| 50 | } |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | //------------------------------------------------------------------- |
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55 | Double_t AliMUONRecoTrack::Phi() const |
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56 | { |
| 57 | // Return trach phi angle |
| 58 | return TMath::ATan2(fPr[2], fPr[1]); |
| 59 | } |
| 60 | |
| 61 | //------------------------------------------------------------------- |
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62 | Double_t AliMUONRecoTrack::Theta() const |
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63 | { |
| 64 | // Return trach theta angle |
| 65 | return TMath::ACos(fPr[2] / P()); |
| 66 | } |
| 67 | |
| 68 | //------------------------------------------------------------------- |
| 69 | void AliMUONRecoTrack::SetMomReconstr(Double_t px, Double_t py, Double_t pz) |
| 70 | { |
| 71 | // Set the track reconstructed momentum |
| 72 | fPr[0] = px; |
| 73 | fPr[1] = py; |
| 74 | fPr[2] = pz; |
| 75 | } |
| 76 | |
| 77 | //------------------------------------------------------------------- |
| 78 | void AliMUONRecoTrack::SetHitPosition(Int_t chamber, Double_t x, Double_t y, Double_t z) |
| 79 | { |
| 80 | // Set hit coordinates in chamber[0..9] |
| 81 | fPosX[chamber] = x; |
| 82 | fPosY[chamber] = y; |
| 83 | fPosZ[chamber] = z; |
| 84 | } |
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85 | |
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86 | //------------------------------------------------------------------- |
| 87 | void AliMUONRecoTrack::TrackInfo() |
| 88 | { |
| 89 | // Prints momentum info for this track |
| 90 | cout << "Px=" << GetMomReconstr(0) << " Py=" << GetMomReconstr(1) << |
| 91 | " Pz=" << GetMomReconstr(2) << " P=" << P() << endl; |
| 92 | } |
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