Corrections to obey the coding conventions
[u/mrichter/AliRoot.git] / macros / ShowTrack.C
CommitLineData
fe4da5cc 1//***This macro shows a track pointed by its index in the kinematics data base.
2//***Use this macro only after starting a display.C macro !
3void ShowTrack(int idx) {
4 AliTPC *TPC=(AliTPC*)gAlice->GetDetector("TPC");
5 TClonesArray *points=TPC->Points();
6 int ntracks=points->GetEntriesFast();
7 AliPoints *trk=0;
8 for (int track=0;track<ntracks;track++) {
9 AliPoints *pm = (AliPoints*)points->UncheckedAt(track);
10 if (!pm) continue;
11 if (idx == pm->GetIndex()) {
12 pm->SetMarkerColor(2);
13 pm->SetMarkerStyle(22);
14 pm->Draw("same");
15 trk=pm;
16 break;
17 }
18 }
19 if (!trk) return;
20
21 TPad *pp=(TPad*)gROOT->FindObject("viewpad");
22 pp->Update();
23 pp->Modified();
24
25 TClonesArray *particles=gAlice->Particles();
26 GParticle *p = (GParticle*)particles->UncheckedAt(idx);
27 cout<<"Paritcle ID "<<p->GetKF()<<endl;
28 cout<<"Parent "<<p->GetParent()<<endl;
29 cout<<"First child "<<p->GetFirstChild()<<endl;
30 cout<<"Px,Py,Pz "<<p->GetPx()<<' '<<p->GetPy()<<' '<<p->GetPz()<<endl;
31
32 cerr<<"OK ? "; char c[100]; cin.getline(c,100);
33 if (tolower(c[0])!='y') return;
34
35 trk->SetMarkerColor(5);
36 trk->SetMarkerStyle(1);
37 trk->Draw("same");
38 pp->Update();
39 pp->Modified();
40}