Пример #1
0
TEveTrackList*
kine_tracks(Double_t min_pt,  Double_t min_p,
	    Bool_t   pdg_col, Bool_t   recurse,
	    Bool_t   use_track_refs)
{
  IlcRunLoader* rl =  IlcEveEventManager::AssertRunLoader();
  rl->LoadKinematics();
  IlcStack* stack = rl->Stack();
  if (!stack)
  {
    Error("kine_tracks", "can not get kinematics.");
    return 0;
  }

  gEve->DisableRedraw();

  TEveTrackList* cont = new TEveTrackList("Kine Tracks");
  cont->SetMainColor(3);
  TEveTrackPropagator* trkProp = cont->GetPropagator();

  kine_track_propagator_setup(trkProp);

  gEve->AddElement(cont);
  Int_t count = 0;
  Int_t Np = stack->GetNprimary();
  for (Int_t i = 0; i < Np; ++i)
  {
    TParticle* p = stack->Particle(i);
    if (p->GetStatusCode() <= 1)
    {
      if (p->Pt() < min_pt && p->P() < min_p) continue;

      ++count;
      IlcEveTrack* track = new IlcEveTrack(p, i, trkProp);

      //PH The line below is replaced waiting for a fix in Root
      //PH which permits to use variable siza arguments in CINT
      //PH on some platforms (alphalinuxgcc, solariscc5, etc.)
      //PH    track->SetName(Form("%s [%d]", p->GetName(), i));
      char form[1000];
      sprintf(form,"%s [%d]", p->GetName(), i);
      track->SetName(form);
      track->SetStdTitle();
      Int_t ml = p->GetMother(0);
      if (ml != -1)
      {
        track->SetTitle(Form("%s\nMother label=%d\nMother Pdg=%d",
                             track->GetElementTitle(),
                             ml, stack->Particle(ml)->GetPdgCode()));
      }
      set_track_color(track, pdg_col);

      gEve->AddElement(track, cont);

      if (recurse)
	kine_daughters(track, stack, min_pt, min_p, pdg_col, recurse);
    }
  }

  // set path marks
  IlcEveKineTools kt;
  kt.SetDaughterPathMarks(cont, stack, recurse);
  if (use_track_refs && rl->LoadTrackRefs() == 0)
  {
    kt.SetTrackReferences(cont, rl->TreeTR(), recurse);
    trkProp->SetEditPathMarks(kTRUE);
  }
  kt.SortPathMarks(cont, recurse);

  //PH  const Text_t* tooltip = Form("min pT=%.2lf, min P=%.2lf), N=%d", min_pt, min_p, count);
  char tooltip[1000];
  sprintf(tooltip,"min pT=%.2lf, min P=%.2lf), N=%d", min_pt, min_p, count);
  cont->SetTitle(tooltip); // Not broadcasted automatically ...

  cont->MakeTracks(recurse);
  gEve->EnableRedraw();
  gEve->Redraw3D();

  return cont;
}
Пример #2
0
TEveElement*
kine_track(Int_t  label,
	   Bool_t import_mother, Bool_t import_daughters,
	   Bool_t pdg_col,       Bool_t recurse,
           TEveElement* cont)
{
  // Create mother and daughters tracks with given label.
  // mother     -> particle with label
  // daughters  -> daughters of label

  if (label < 0) {
    Warning("kine_track", "label not set.");
    return 0;
  }

  IlcRunLoader* rl =  IlcEveEventManager::AssertRunLoader();
  rl->LoadKinematics();
  IlcStack* stack = rl->Stack();
  if (!stack)
  {
     Warning("kine_track", "can not get kinematics.");
    return 0;
  }
  if (label >= stack->GetNtrack())
  {
    Warning("kine_track", "label out of range.");
    return 0;
  }

  TParticle* p = stack->Particle(label);

  if (import_mother || (import_daughters && p->GetNDaughters()))
  {
    TEveTrackPropagator* rs = 0;

    if (cont == 0)
    {
      TEveTrackList* tlist = new TEveTrackList
	(Form("Kinematics of %d %d", label, p->GetNDaughters()));
      cont = tlist;

      TEveTrackPropagator* trkProp = tlist->GetPropagator();

      kine_track_propagator_setup(trkProp);

      char tooltip[1000];
      sprintf(tooltip,"Ndaughters=%d", p->GetNDaughters());
      tlist->SetTitle(tooltip);
      trkProp->SetMaxOrbs(2);
      trkProp->SetEditPathMarks(kTRUE);

      gEve->AddElement(cont);
      rs = tlist->GetPropagator();
    }
    else
    {
      // check if container is TEveTrackList or IlcEveTrack (has rnr-style)
      IlcEveTrack* t = dynamic_cast<IlcEveTrack*>(cont);
      if (t) {
	rs = t->GetPropagator();
      } else {
        TEveTrackList* l = dynamic_cast<TEveTrackList*>(cont);
        if (l)
	  rs = l->GetPropagator();
        else
	  Error("kine_tracks.C", "TrackRenderStyle not set.");
      }
    }

    if (import_mother)
    {
      IlcEveTrack* track = new IlcEveTrack(p, label, rs);
      char form[1000];
      sprintf(form,"%s [%d]", p->GetName(), label);
      track->SetName(form);
      track->SetStdTitle();
      set_track_color(track, pdg_col);

      track->MakeTrack();
      gEve->AddElement(track, cont);
      cont = track;
    }

    if (import_daughters && p->GetNDaughters())
    {
      for (int d=p->GetFirstDaughter(); d>0 && d<=p->GetLastDaughter(); ++d)
      {
	TParticle* dp = stack->Particle(d);
	IlcEveTrack* track = new IlcEveTrack(dp, d, rs);
	char form[1000];
	sprintf(form,"%s [%d]", dp->GetName(), d);
	track->SetName(form);
	track->SetStdTitle();
	set_track_color(track, pdg_col);

        track->MakeTrack();
	gEve->AddElement(track, cont);

	if (recurse)
	  kine_daughters(track, stack, 0, 0, pdg_col, recurse);
      }
    }
  }

  gEve->Redraw3D();
  return cont;
}