2 // Main authors: Matevz Tadel & Alja Mrak-Tadel: 2006, 2007
4 /**************************************************************************
5 * Copyright(c) 1998-2008, ALICE Experiment at CERN, all rights reserved. *
6 * See http://aliceinfo.cern.ch/Offline/AliRoot/License.html for *
7 * full copyright notice. *
8 **************************************************************************/
10 #if !defined(__CINT__) || defined(__MAKECINT__)
12 #include <TEvePointSet.h>
13 #include <TEveElement.h>
14 #include <TEveManager.h>
15 #include <TEveTreeTools.h>
17 #include <AliRunLoader.h>
18 #include <AliEveEventManager.h>
21 void its_hits_layer_split(const char *varexp = "fX:fY:fZ:GetLayer()",
22 const char *selection = "")
24 // Extracts 'major' TPC hits (not the compressed ones).
25 // This gives ~2.5% of all hits.
27 printf("THIS SCRIPT DOES NOT WORK.\n"
28 "GetLayer() crashes when trying to load ITS geometry.\n"
29 "Needs to be fixed together with ITS experts.\n");
32 AliRunLoader* rl = AliEveEventManager::AssertRunLoader();
35 TTree* ht = rl->GetTreeH("ITS", false);
37 TEvePointSetArray* l = new TEvePointSetArray("ITS hits - Layer Slices", "");
39 l->SetMarkerStyle(2); // cross
43 l->InitBins("Layer", 6, 0.5, 6.5);
45 TEvePointSelector ps(ht, l, varexp, selection);