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Commit | Line | Data |
---|---|---|
6a680ee5 | 1 | // $Id$ |
2 | ||
3 | Reve::PointSet* | |
4 | t0_hits(const char *varexp = "T0.fX:T0.fY:T0.fZ", | |
5 | const char *selection = "") | |
6 | { | |
7 | // Extracts T0 hits. | |
8 | ||
9 | ||
10 | AliRunLoader* rl = Alieve::Event::AssertRunLoader(); | |
11 | rl->LoadHits("T0"); | |
12 | ||
13 | TTree* ht = rl->GetTreeH("T0", false); | |
14 | ||
15 | Int_t nTracks = ht->GetEntries(); | |
16 | // printf("Found %d tracks. \n",nTracks); | |
17 | for (Int_t it = 0; it < nTracks; it++) { | |
18 | ||
19 | TClonesArray *hits = 0; | |
20 | ht->SetBranchAddress("T0",&hits); | |
21 | ||
22 | ht->GetEvent(it); | |
23 | Int_t nHits = hits->GetEntriesFast(); | |
24 | // printf("Found %d hits in track %d. \n",nHits,it); | |
25 | ||
26 | } | |
27 | Reve::PointSet* points = new Reve::PointSet(Form("T0 Hits '%s'", selection)); | |
28 | points->SetSourceCS(TPointSelectorConsumer::TVT_XYZ); | |
29 | ||
30 | TPointSelector ps(ht, points, varexp, selection); | |
31 | ps.Select(); | |
32 | ||
33 | points->SetTitle(Form("N=%d", points->Size())); | |
34 | points->SetMarkerSize(.5); | |
35 | points->SetMarkerColor((Color_t)3); | |
36 | ||
37 | gReve->AddRenderElement(points); | |
38 | gReve->Redraw3D(); | |
39 | ||
40 | return points; | |
41 | } |