TPC/AliTPCFindTracks.C

   1 /****************************************************************************
   2  *           Origin: I.Belikov, CERN, Jouri.Belikov@cern.ch                 *
   3  ****************************************************************************/
   4
   5 #ifndef __CINT__
   6   #include <iostream.h>
   7   #include "AliTPCParam.h"
   8   #include "AliTPCtracker.h"
   9
  10   #include "TFile.h"
  11   #include "TStopwatch.h"
  12 #endif
  13
  14 Int_t AliTPCFindTracks(Int_t eventn=1) {
  15
  16 AliKalmanTrack::SetConvConst(1000/0.299792458/gAlice->Field()->SolenoidField());
  17    cerr<<"Looking for tracks...\n";
  18
  19    TFile *out=TFile::Open("AliTPCtracks.root","new");
  20    if (!out->IsOpen()) {cerr<<"Delete old AliTPCtracks.root !\n"; return 1;}
  21
  22    TFile *in=TFile::Open("AliTPCclusters.root");
  23    if (!in->IsOpen()) {cerr<<"Can't open AliTPCclusters.root !\n"; return 2;}
  24
  25    AliTPCParam *par=(AliTPCParam*)in->Get("75x40_100x60_150x60");
  26    if (!par) {cerr<<"Can't get TPC parameters !\n"; return 3;}
  27
  28    TStopwatch timer;
  29
  30    Int_t rc=0;
  31    for (Int_t i=0;i<eventn;i++){
  32      printf("Processing event %d\n",i);
  33      AliTPCtracker *tracker = new AliTPCtracker(par,i);
  34      //Double_t xyz[]={0.,0.,0.}; tracker->SetVertex(xyz); //primary vertex
  35      rc=tracker->Clusters2Tracks(0,out);
  36      delete tracker;
  37    }
  38    timer.Stop(); timer.Print();
  39
  40    delete par; //Thanks to Mariana Bondila
  41
  42    in->Close();
  43    out->Close();
  44
  45    return rc;
  46 }