+// $Id$
+// Main authors: Matevz Tadel & Alja Mrak-Tadel: 2006, 2007
+
+/**************************************************************************
+ * Copyright(c) 1998-2008, ALICE Experiment at CERN, all rights reserved. *
+ * See http://aliceinfo.cern.ch/Offline/AliRoot/License.html for *
+ * full copyright notice. *
+ **************************************************************************/
+
// Import tracks from kinematics-tree / particle-stack.
// Preliminary/minimal solution.
-Reve::TrackList* kine_tracks(Double_t min_pt=0.5, Double_t max_pt=100)
+#include "TParticlePDG.h"
+
+TEveTrackList*
+kine_tracks(Double_t min_pt = 0, Double_t min_p = 0,
+ Bool_t pdg_col = kTRUE, Bool_t recurse = kTRUE,
+ Bool_t use_track_refs = kTRUE)
{
- AliRunLoader* rl = Alieve::Event::AssertRunLoader();
+ AliRunLoader* rl = AliEveEventManager::AssertRunLoader();
rl->LoadKinematics();
AliStack* stack = rl->Stack();
if (!stack) {
return 0;
}
- Reve::TrackList* cont = new Reve::TrackList("Kine Tracks");
- cont->SetMainColor(Color_t(6));
- Reve::TrackRnrStyle* rnrStyle = cont->GetRnrStyle();
- rnrStyle->fColor = 8;
- // !!! Watch the '-', apparently different sign convention then for ESD.
- rnrStyle->SetMagField( - gAlice->Field()->SolenoidField() );
+ gEve->DisableRedraw();
- gReve->AddRenderElement(cont);
+ TEveTrackList* cont = new TEveTrackList("Kine Tracks");
+ cont->SetMainColor(3);
+ TEveTrackPropagator* rnrStyle = cont->GetPropagator();
+ // !!! Watch the '-', apparently different sign convention then for ESD.
+ rnrStyle->SetMagField( -0.1*gAlice->Field()->SolenoidField() );
+ gEve->AddElement(cont);
Int_t count = 0;
- Int_t N = stack->GetNtrack();
- for (Int_t i=0; i<N; ++i) {
- TParticle* p = stack->Particle(i);
- Double_t pT = p->Pt();
- if (pT<min_pt || pT>max_pt) continue;
-
- ++count;
- Reve::Track* track = new Reve::Track(p, i, rnrStyle);
- track->SetName(Form("%s [%d]", p->GetName(), i));
- gReve->AddRenderElement(cont, track);
- }
-
- const Text_t* tooltip = Form("pT ~ (%.2lf, %.2lf), N=%d", min_pt, max_pt, count);
+ Int_t N = stack->GetNtrack();
+ for (Int_t i=0; i<N; ++i)
+ {
+ if (stack->IsPhysicalPrimary(i))
+ {
+ TParticle* p = stack->Particle(i);
+ if (p->Pt() < min_pt && p->P() < min_p) continue;
+
+ ++count;
+ TEveTrack* track = new TEveTrack(p, i, rnrStyle);
+
+ //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
+ AliEveKineTools kt;
+ kt.SetDaughterPathMarks(cont, stack, recurse);
+ if (use_track_refs && rl->LoadTrackRefs() == 0)
+ {
+ kt.SetTrackReferences(cont, rl->TreeTR(), recurse);
+ rnrStyle->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->UpdateItems();
- cont->MakeTracks();
- cont->MakeMarkers();
- gReve->Redraw3D();
+ cont->MakeTracks(recurse);
+ gEve->EnableRedraw();
+ gEve->Redraw3D();
+
+ return cont;
+}
+
+void kine_daughters(TEveTrack* parent, AliStack* stack,
+ Double_t min_pt, Double_t min_p,
+ Bool_t pdg_col, Bool_t recurse)
+{
+ TParticle *p = stack->Particle(parent->GetLabel());
+ if (p->GetNDaughters() > 0)
+ {
+ TEveTrackPropagator* rs = parent->GetPropagator();
+ for (int d=p->GetFirstDaughter(); d>0 && d<=p->GetLastDaughter(); ++d)
+ {
+ TParticle* dp = stack->Particle(d);
+ if (dp->Pt() < min_pt && dp->P() < min_p) continue;
+
+ TEveTrack* dtrack = new TEveTrack(dp, d, rs);
+ char form[1000];
+ sprintf(form,"%s [%d]", dp->GetName(), d);
+ dtrack->SetName(form);
+ dtrack->SetStdTitle();
+ set_track_color(dtrack, pdg_col);
+
+ gEve->AddElement(dtrack, parent);
+
+ if (recurse)
+ kine_daughters(dtrack, stack, min_pt, min_p, pdg_col, recurse);
+ }
+ }
+}
+
+Color_t set_track_color(TEveTrack* t, Bool_t pdg_col)
+{
+ if (pdg_col)
+ t->SetMainColor(get_pdg_color(t->GetPdg()));
+ else
+ t->SetMainColor(30);
+}
+
+Color_t get_pdg_color(Int_t pdg)
+{
+ // PDG color indices
+ static const Color_t DefCol = 30;
+ static const Color_t ECol = 5;
+ static const Color_t MuCol = 6;
+ static const Color_t GammaCol = 7;
+ static const Color_t MesCol1 = 3;
+ static const Color_t MesCol2 = 38;
+ static const Color_t BarCol = 10;
+
+ Int_t pdga = TMath::Abs(pdg);
+ Color_t col = DefCol;
+ // elementary particles
+ if (pdga < 100) {
+ switch (pdga) {
+ case 11:
+ col = ECol; break;
+ case 12:
+ col = MuCol; break;
+ case 22:
+ col = GammaCol; break;
+ }
+ }
+ // mesons and barions
+ else if (pdga < 100000) {
+ Int_t i = pdga;
+ Int_t i0 = i%10; i /= 10;
+ Int_t i1 = i%10; i /= 10;
+ Int_t i2 = i%10; i /= 10;
+ Int_t i3 = i%10; i /= 10;
+ Int_t i4 = i%10;
+ //printf("pdg(%d) quark indices (%d,%d,%d,%d,%d) \n",pdg, i4,i3,i2, i1, i0);
+ // meson
+ if ((i3 == 0) && ( i4 < 2)){
+ col = MesCol1; // quarks: i1,i2 (spin = i0)
+ if(i1 == 3 || i2 == 3)
+ col = MesCol2;
+ } // barion
+ else if ( i2 >= i1 && i3 >= i2 ) {
+ col = BarCol; // quarks: i1,i2, i3 (spin = i0))
+ }
+ }
+
+ return col;
+}
+
+/******************************************************************************/
+
+TEveElement*
+kine_track(Int_t label,
+ Bool_t import_mother = kTRUE, Bool_t import_daughters = kTRUE,
+ Bool_t pdg_col = kTRUE, Bool_t recurse = kTRUE,
+ TEveElement* cont = 0)
+
+{
+ // 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;
+ }
+
+ AliRunLoader* rl = AliEveEventManager::AssertRunLoader();
+ rl->LoadKinematics();
+ AliStack* stack = rl->Stack();
+ 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()))
+ {
+ TEveTrack* toptrack = 0;
+ TEveTrackList* tracklist = 0;
+ TEveTrackPropagator* rs = 0;
+
+ if (cont == 0)
+ {
+ TEveTrackList* tlist = new TEveTrackList
+ (Form("Kinematics of %d", label, p->GetNDaughters()));
+ cont = tlist;
+
+ TEveTrackPropagator* rnrStyle = tlist->GetPropagator();
+ // !!! Watch the '-', apparently different sign convention then for ESD.
+ rnrStyle->SetMagField( -0.1*gAlice->Field()->SolenoidField() );
+ char tooltip[1000];
+ sprintf(tooltip,"Ndaughters=%d", p->GetNDaughters());
+ tlist->SetTitle(tooltip);
+ rnrStyle->fMaxOrbs = 2;
+ rnrStyle->SetEditPathMarks(kTRUE);
+
+ gEve->AddElement(cont);
+ rs = tlist->GetPropagator();
+ }
+ else
+ {
+ // check if container is TEveTrackList or TEveTrack (has rnr-style)
+ TEveTrack* t = dynamic_cast<TEveTrack*>(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)
+ {
+ TEveTrack* track = new TEveTrack(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);
+ TEveTrack* track = new TEveTrack(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;
}
+
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