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 **************************************************************************/
17 ///////////////////////////////////////////////////////////////////////////////
19 // This class creates and fills monitor histograms for HLT Hough transform //
21 ///////////////////////////////////////////////////////////////////////////////
24 #include "AliMonitorHLTHough.h"
25 #include "AliMonitorHisto.h"
26 #include "AliMonitorTrend.h"
27 #include "AliTPCParam.h"
31 #include <AliL3MemHandler.h>
32 #include <AliL3TrackArray.h>
33 #include <AliL3HoughTrack.h>
36 //_____________________________________________________________________________
37 AliMonitorHLTHough::AliMonitorHLTHough(AliTPCParam* param)
39 // create a HLT monitor object with the given parameters
44 //_____________________________________________________________________________
45 AliMonitorHLTHough::AliMonitorHLTHough(const AliMonitorHLTHough& monitor) :
48 Fatal("AliMonitorHLTHough", "copy constructor not implemented");
51 //_____________________________________________________________________________
52 AliMonitorHLTHough& AliMonitorHLTHough::operator = (const AliMonitorHLTHough&
55 Fatal("operator =", "assignment operator not implemented");
60 //_____________________________________________________________________________
61 void AliMonitorHLTHough::CreateHistos(TFolder* folder)
63 // create the HLT Hough transform monitor histograms
65 fFolder = folder->AddFolder("HLTHOUGH", "HLTHOUGH");
67 fNTracks = CreateTrend("NTracks", "number of tracks per event",
70 fTrackPt = CreateHisto1("TrackPt", "pt distribution of tracks",
71 90, 0, 3, "p_{t} [GeV/c]", "#Delta N/N",
72 AliMonitorHisto::kNormNone);
74 fTrackEta = CreateHisto1("TrackEta", "eta distribution of tracks",
75 100, -2, 2, "#eta", "#Delta N/N",
76 AliMonitorHisto::kNormEntries);
78 fTrackPhi = CreateHisto1("TrackPhi", "phi distribution of tracks",
79 120, 0, 360, "#phi [#circ]", "#Delta N/N",
80 AliMonitorHisto::kNormEntries);
82 fTrackEtaVsPhi = CreateHisto2("TrackEtaVsPhi", "#phi vs #eta",
83 20, -1, 1, 25, 0, 360,
84 "#eta", "#phi", "#Delta N/N",
85 AliMonitorHisto::kNormNone);
87 fPtEtaVsPhi = CreateHisto2("PtEtaVsPhi", "#phi vs #eta",
88 20, -1, 1, 25, 0, 360,
89 "#eta", "#phi", "#Delta N/N",
90 AliMonitorHisto::kNormNone);
95 //_____________________________________________________________________________
96 void AliMonitorHLTHough::FillHistos(AliRunLoader* /*runLoader*/,
97 AliRawReader* /*rawReader*/)
99 // fill the HLT Hough transform monitor histograms
102 Warning("FillHistos", "the code was compiled without HLT support");
105 AliL3MemHandler memHandler[36];
106 Int_t nHoughTracks = 0;
107 for (Int_t iSector = 0; iSector < fParam->GetNInnerSector(); iSector++) {
109 sprintf(fileName, "hlt/tracks_ho_%d.raw", iSector);
110 if (!memHandler[iSector].SetBinaryInput(fileName)) {
111 Warning("FillHistos", "could not open file hlt/tracks.raw");
114 AliL3TrackArray* tracks = new AliL3TrackArray;
115 memHandler[iSector].Binary2TrackArray(tracks);
117 nHoughTracks += tracks->GetNTracks();
118 for (Int_t iTrack = 0; iTrack < tracks->GetNTracks(); iTrack++) {
119 AliL3HoughTrack *track = (AliL3HoughTrack*)tracks->GetCheckedTrack(iTrack);
122 track->CalculateHelix();
123 track->Rotate(iSector);
125 fTrackPt->Fill(track->GetPt());
126 fTrackEta->Fill(track->GetPseudoRapidity());
127 fTrackPhi->Fill(track->GetPsi() * TMath::RadToDeg());
128 if(track->GetPt()>3.) {
129 fTrackEtaVsPhi->Fill(track->GetPseudoRapidity(),track->GetPsi() * TMath::RadToDeg());
130 fPtEtaVsPhi->Fill(track->GetPseudoRapidity(),track->GetPsi() * TMath::RadToDeg(),track->GetPt());
133 fNTracks->Fill(nHoughTracks);
136 memHandler[iSector].CloseBinaryInput();