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. *
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 **************************************************************************/
16 ////////////////////////////////////////////////////////////////////////////
20 // Author: J. Klein (Jochen.Klein@cern.ch) //
22 ////////////////////////////////////////////////////////////////////////////
24 /* $Id: AliTRDtrackGTU.cxx 27566 2008-07-24 15:31:08Z cblume $ */
27 #include "TObjArray.h"
30 #include "AliTRDgtuParam.h"
31 #include "AliTRDtrackGTU.h"
32 #include "AliTRDtrackletGTU.h"
33 #include "AliESDTrdTrack.h"
35 ClassImp(AliTRDtrackGTU)
37 AliTRDtrackGTU::AliTRDtrackGTU() :
53 fTracklets = new TClonesArray("AliTRDtrackletGTU", 6);
54 for (Int_t iTracklet = 0; iTracklet < 6; iTracklet++)
55 new ((*fTracklets)[iTracklet]) AliTRDtrackletGTU();
56 // fTracklets->BypassStreamer(kFALSE);
59 AliTRDtrackGTU::~AliTRDtrackGTU()
65 void AliTRDtrackGTU::AddTracklet(AliTRDtrackletGTU *tracklet, Int_t layer)
67 if ( (fTrackletMask & (1 << layer)) != 0 ) {
68 AliError(Form("Only one tracklet per layer (%i) possible! Mask: 0x%02x", layer, fTrackletMask));
72 new ((*fTracklets)[layer]) AliTRDtrackletGTU(*tracklet);
74 fTrackletMask |= (1 << layer);
77 AliTRDtrackletGTU* AliTRDtrackGTU::GetTracklet(Int_t layer)
79 return ((AliTRDtrackletGTU*) (*fTracklets)[layer]);
82 Int_t AliTRDtrackGTU::GetNTracklets() const
87 Bool_t AliTRDtrackGTU::IsTrackletInLayer(Int_t layer) const
89 if ( (GetTrackletMask() & (1 << layer)) != 0)
95 void AliTRDtrackGTU::SetFitParams(Float_t a, Float_t b, Float_t c)
102 Int_t AliTRDtrackGTU::GetZSubChannel()
104 if (fZSubChannel < 0) {
105 for (Int_t layer = 0; layer < AliTRDgtuParam::GetNLayers(); layer++)
107 if (IsTrackletInLayer(layer))
108 fZSubChannel = ((AliTRDtrackletGTU*) (*fTracklets)[layer])->GetSubChannel(GetZChannel());
114 Int_t AliTRDtrackGTU::GetYapprox()
116 for (Int_t layer = 0; layer < AliTRDgtuParam::GetNLayers(); layer++)
118 if (IsTrackletInLayer(layer))
119 return ((AliTRDtrackletGTU*) (*fTracklets)[layer])->GetYProj();
124 AliESDTrdTrack* AliTRDtrackGTU::CreateTrdTrack() const
126 AliESDTrdTrack *trk = new AliESDTrdTrack();
127 trk->SetPt(1./128. * fPt);
129 trk->SetDetector(fSector * 30 + fStack * 6);