Local tracking

From: Djamel Ouerdane (ouerdane@nbi.dk)
Date: Thu Sep 07 2000 - 17:57:26 EDT

  • Next message: videbaek: "Re: Local tracking"

    Hi again,
    
    I have updated brat once again after Flemming's changes and now I get some
    sequences after digitization.
    
    But I still get no local tracks after the reconstruction step.
    Here is the piece of code I use (Peter's procedure):
    
      // Local tracking 
    
      BrModuleContainer *c = new BrModuleContainer("c","container");
    
      Char_t *name[2] = { "T1", "T2"};
      for( Int_t i = 0; i < 2; i++ ) {
        BrTrackFollowFinderModule *tracker
          = new BrTrackFollowFinderModule(name[i], "TPC Tracker");
        tracker->SetAddCluster(kTRUE);
        tracker->GetClusterFinder()->SetMaxPixelCutoff(10.0);
        // Set tracking method
        BrTrackFollowFinder *trackDummy =
          (BrTrackFollowFinder*)tracker->GetTrackFinder();
        trackDummy->SetTrackingMethod(1);
        trackDummy->SetSearchWidthX(0.2);
        trackDummy->SetSearchWidthY(0.1);
        c->AddModule(tracker);
      }
    
    and then, in the event loop:
    
      c->Event(event, event);
    
    
    I put a debug level in trackDummy (BrTrackFollowFinder) and noticed that
    some local tracks do exist but it seems that they are not added to the
    track tables (apparently) so that they remain empty in the event node.
    
    Need some help there too...
    
    Thanks
    Djam
    



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