MONITOR/AliMonitorHLTHough.cxx

   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
  17 ///////////////////////////////////////////////////////////////////////////////
  18 //                                                                           //
  19 // This class creates and fills monitor histograms for HLT Hough transform   //
  20 //                                                                           //
  21 ///////////////////////////////////////////////////////////////////////////////
  22
  23
  24 #include "AliMonitorHLTHough.h"
  25 #include "AliMonitorHisto.h"
  26 #include "AliMonitorTrend.h"
  27 #include "AliTPCParam.h"
  28 #include <TFolder.h>
  29 #ifdef ALI_HLT
  30 #include <stdlib.h>
  31 #include <AliL3MemHandler.h>
  32 #include <AliL3TrackArray.h>
  33 #include <AliL3HoughTrack.h>
  34 #endif
  35
  36 //_____________________________________________________________________________
  37 AliMonitorHLTHough::AliMonitorHLTHough(AliTPCParam* param)
  38 {
  39 // create a HLT monitor object with the given parameters
  40
  41   fParam = param;
  42 }
  43
  44 //_____________________________________________________________________________
  45 AliMonitorHLTHough::AliMonitorHLTHough(const AliMonitorHLTHough& monitor) :
  46   AliMonitor(monitor)
  47 {
  48   Fatal("AliMonitorHLTHough", "copy constructor not implemented");
  49 }
  50
  51 //_____________________________________________________________________________
  52 AliMonitorHLTHough& AliMonitorHLTHough::operator = (const AliMonitorHLTHough&
  53                                                     /*monitor*/)
  54 {
  55   Fatal("operator =", "assignment operator not implemented");
  56   return *this;
  57 }
  58
  59 //_____________________________________________________________________________
  60 AliMonitorHLTHough::~AliMonitorHLTHough()
  61 {
  62 }
  63
  64
  65 //_____________________________________________________________________________
  66 void AliMonitorHLTHough::CreateHistos(TFolder* folder)
  67 {
  68 // create the HLT Hough transform monitor histograms
  69
  70   fFolder = folder->AddFolder("HLTHOUGH", "HLTHOUGH");
  71
  72   fNTracks = CreateTrend("NTracks", "number of tracks per event",
  73                          "N_{tracks}");
  74
  75   fTrackPt = CreateHisto1("TrackPt", "pt distribution of tracks",
  76                           90, 0, 3, "p_{t} [GeV/c]", "#Delta N/N",
  77                           AliMonitorHisto::kNormNone);
  78
  79   fTrackEta = CreateHisto1("TrackEta", "eta distribution of tracks",
  80                            100, -2, 2, "#eta", "#Delta N/N",
  81                            AliMonitorHisto::kNormEntries);
  82
  83   fTrackPhi = CreateHisto1("TrackPhi", "phi distribution of tracks",
  84                            120, 0, 360, "#phi [#circ]", "#Delta N/N",
  85                            AliMonitorHisto::kNormEntries);
  86
  87   fTrackEtaVsPhi = CreateHisto2("TrackEtaVsPhi", "#phi vs #eta",
  88                                20, -1, 1, 25, 0, 360,
  89                                "#eta", "#phi", "#Delta N/N",
  90                                AliMonitorHisto::kNormNone);
  91
  92   fPtEtaVsPhi = CreateHisto2("PtEtaVsPhi", "#phi vs #eta",
  93                                20, -1, 1, 25, 0, 360,
  94                                "#eta", "#phi", "#Delta N/N",
  95                                AliMonitorHisto::kNormNone);
  96
  97 }
  98
  99
 100 //_____________________________________________________________________________
 101 void AliMonitorHLTHough::FillHistos(AliRunLoader* /*runLoader*/,
 102                                     AliRawReader* /*rawReader*/)
 103 {
 104 // fill the HLT Hough transform monitor histograms
 105
 106 #ifndef ALI_HLT
 107   Warning("FillHistos", "the code was compiled without HLT support");
 108
 109 #else
 110   AliL3MemHandler memHandler[36];
 111   Int_t nHoughTracks = 0;
 112   for (Int_t iSector = 0; iSector < fParam->GetNInnerSector(); iSector++) {
 113     char fileName[256];
 114     sprintf(fileName, "hlt/tracks_ho_%d.raw", iSector);
 115     if (!memHandler[iSector].SetBinaryInput(fileName)) {
 116       Warning("FillHistos", "could not open file hlt/tracks.raw");
 117       return;
 118     }
 119     AliL3TrackArray* tracks = new AliL3TrackArray;
 120     memHandler[iSector].Binary2TrackArray(tracks);
 121
 122     nHoughTracks += tracks->GetNTracks();
 123     for (Int_t iTrack = 0; iTrack < tracks->GetNTracks(); iTrack++) {
 124       AliL3HoughTrack *track = (AliL3HoughTrack*)tracks->GetCheckedTrack(iTrack);
 125       if(!track) continue;
 126
 127       track->CalculateHelix();
 128       track->Rotate(iSector);
 129
 130       fTrackPt->Fill(track->GetPt());
 131       fTrackEta->Fill(track->GetPseudoRapidity());
 132       fTrackPhi->Fill(track->GetPsi() * TMath::RadToDeg());
 133       if(track->GetPt()>3.) {
 134         fTrackEtaVsPhi->Fill(track->GetPseudoRapidity(),track->GetPsi() * TMath::RadToDeg());
 135         fPtEtaVsPhi->Fill(track->GetPseudoRapidity(),track->GetPsi() * TMath::RadToDeg(),track->GetPt());
 136       }
 137     }
 138     fNTracks->Fill(nHoughTracks);
 139
 140     delete tracks;
 141     memHandler[iSector].CloseBinaryInput();
 142   }
 143 #endif
 144 }