2 #include <TEveManager.h>
3 #include <TEvePointSet.h>
4 #include <EveBase/AliEveEventManager.h>
6 #include "AliRunLoader.h"
7 #include "AliCluster.h"
8 #include "AliTracker.h"
9 #include "AliReconstruction.h"
10 #include "AliESDEvent.h"
11 #include "AliESDtrack.h"
12 #include "AliESDfriend.h"
17 AliEveEventManager::AssertGeometry();
19 AliRunLoader *rl = AliEveEventManager::AssertRunLoader();
20 AliESDEvent *esd = AliEveEventManager::AssertESD();
21 AliESDfriend *esdfriend = AliEveEventManager::AssertESDfriend();
22 AliMagF *magfield = AliEveEventManager::AssertMagField();
24 AliTracker::SetFieldMap(magfield, kFALSE);
26 const char* detNames[] = { "ITS", "TPC", "TRD", "TOF", "HMPID" };
27 const Int_t detIds[] = { 0, 1, 2, 3, 5 };
28 const Int_t detN = sizeof(detNames)/sizeof(char*);
30 // Hack - AliReconstruction does wonders with gGeoManager.
31 TGeoManager* xxx = gGeoManager; gGeoManager = 0;
32 AliReconstruction* reco = new AliReconstruction;
35 // Hack for ITS - it requires RecoParams outside event-loop!
36 reco.SetRecoParam("ITS", AliITSRecoParam::GetLowFluxParam());
38 reco->ImportRunLoader(rl);
41 for (Int_t i = 0; i < detN; ++i) {
42 alldets += detNames[i];
45 reco->CreateTrackers(alldets);
48 TObjArray* clarr = new TObjArray();
50 // Load clusters, fill them into clarr.
52 for (Int_t i = 0; i < detN; ++i)
54 Int_t det = detIds[i];
55 rl->LoadRecPoints(detNames[i]);
57 TTree *cTree = rl->GetTreeR(detNames[i], false);
61 AliTracker* tracker = reco->GetTracker(det);
62 tracker->LoadClusters(cTree);
63 tracker->FillClusterArray(clarr);
66 // Loop over tracks and friends, tag used clusters.
68 for (Int_t n = 0; n < esd->GetNumberOfTracks(); ++n)
70 AliESDtrack* at = esd->GetTrack(n);
73 for (Int_t i = 0; i < detN; ++i)
75 Int_t det = detIds[i];
76 AliTracker* tracker = reco->GetTracker(det);
77 Int_t nclusters = at->GetClusters(det, idx);
79 for (Int_t c = 0; c < nclusters; )
81 Int_t index = idx[p++];
82 if (index < 0) continue;
84 AliCluster* cluster = tracker->GetCluster(index);
85 if (cluster) cluster->IncreaseClusterUsage();
86 //else printf("Zero cluster pointer for detector: %s\n",detNames[i]);
91 for (Int_t i = 0; i < detN; ++i)
92 rl->UnloadRecPoints(detNames[i]);
94 // Fill visualization structs
96 TEveElementList* list = new TEveElementList("Clusters");
97 gEve->AddElement(list);
99 TEvePointSet* shared = new TEvePointSet("Shared Clusters");
100 shared->SetMainColor(2);
101 shared->SetMarkerSize(0.4);
102 shared->SetMarkerStyle(2);
103 list->AddElement(shared);
105 TEvePointSet* used = new TEvePointSet("Single-used Clusters");
106 used->SetMainColor(3);
107 used->SetMarkerSize(0.4);
108 used->SetMarkerStyle(2);
109 list->AddElement(used);
111 TEvePointSet* nonused = new TEvePointSet("Not-used Clusters");
112 nonused->SetMainColor(4);
113 nonused->SetMarkerSize(0.4);
114 nonused->SetMarkerStyle(2);
115 list->AddElement(nonused);
117 // Loop over all clusters, fill appropriate container based
118 // on shared/used information.
120 Int_t ncl = clarr->GetEntriesFast();
121 for (Int_t i = 0; i < ncl; ++i)
123 AliCluster *cluster = (AliCluster*) clarr->UncheckedAt(i);
124 TEvePointSet *dest = 0;
125 if (cluster->IsClusterShared())
127 else if (cluster->IsClusterUsed())
132 Float_t g[3]; //global coordinates
133 cluster->GetGlobalXYZ(g);
134 dest->SetNextPoint(g[0], g[1], g[2]);
135 dest->SetPointId(cluster);
140 // ??? What to do with trackers ???
141 // I'd propose: have global reconstruction that owns them.
142 // AliEveEventManager::AssertAliReconstruction();
143 // do we have bit-field for detectors, like
144 // enum AliDetectors_e {
148 // kCentralTracking = kITS | kTPC | kTRD | kTOF,