// $Id$ // 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. * **************************************************************************/ TEvePointSet* tpc_hits(const char *varexp = "TPC2.fArray.fR:TPC2.fArray.fFi:TPC2.fArray.fZ", const char *selection = "TPC2.fArray.fR>80", TEveElement *cont = 0) { // Extracts 'major' TPC hits (not the compressed ones). // This gives ~2.5% of all hits. AliRunLoader* rl = AliEveEventManager::AssertRunLoader(); rl->LoadHits("TPC"); TTree* ht = rl->GetTreeH("TPC", false); //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 TEvePointSet* points = new TEvePointSet(Form("TPC Hits '%s'", selection)); char form[1000]; sprintf(form,"TPC Hits '%s'", selection); TEvePointSet* points = new TEvePointSet(form); points->SetSourceCS(TEvePointSelectorConsumer::kTVT_RPhiZ); TEvePointSelector ps(ht, points, varexp, selection); ps.Select(); if (points->Size() == 0 && gEve->GetKeepEmptyCont() == kFALSE) { Warning("tpc_hits", Form("No hits match '%s'", selection)); delete points; return 0; } //PH points->SetTitle(Form("N=%d", points->Size())); sprintf(form,"N=%d", points->Size()); points->SetTitle(form); points->SetMarkerSize(.5); points->SetMarkerColor(3); gEve->AddElement(points, cont); gEve->Redraw3D(); return points; }