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1 //-*- Mode: C++ -*-
2
3 // ** USED macros :
4 // ***************************************************
5 // - hlt_alieve_init.C
6 // - VizDB_scan.C
7 // - geom_gentle_hlt.C
8 // - geom_gentle_muon.C
9 // ***************************************************
10
11 #include "unistd.h"
12 #include <TEvePointSet.h>
13 #include "EveBase/AliEveEventManager.h"
14 #include <AliCluster.h>
15 #include <TPC/AliTPCClustersRow.h>
16
17 class TEveProjectionManager;
18 class TEveGeoShape;
19 class TEveUtil;
20 class AliEveMacroExecutor;
21 class TEveScene;
22 class TEveElement;
23 class TEveText;
24 class AliHLTTriggerDecision;
25 class TEvePointSet;
26
27 // -----------------------------------------------------------------
28 // --                       Geometry / Scenes                     --
29 // -----------------------------------------------------------------
30
31 TEveProjectionManager *gRPhiMgr = 0;
32 TEveProjectionManager *gRhoZMgr = 0;
33
34 // -----------------------------------------------------------------
35 // --                Geometry / Scenes Parameters                 --
36 // -----------------------------------------------------------------
37
38 // -- Parameters to show different geometries
39 Bool_t gShowMUON     = kTRUE;
40 Bool_t gShowMUONRPhi = kFALSE;
41 Bool_t gShowMUONRhoZ = kTRUE;
42
43 // -----------------------------------------------------------------
44 // --                         Members                            --
45 // -----------------------------------------------------------------
46
47 // -- Timer for automatic event loop
48 TTimer                                    eventTimer;
49
50 // -- HOMERManager
51 AliEveHOMERManager*                       gHomerManager    = 0;
52
53 // -- Cluster members
54 TEvePointSet*                             gPHOSClusters    = 0;
55 TEvePointSet*                             gTPCClusters     = 0;
56 TEvePointSet*                             gSPDClusters     = 0;
57
58 // -- Tracks members
59 TEveTrackList*                            gTPCTrack        = 0;
60
61 // -----------------------------------------------------------------
62 // --                          Methods                            --
63 // -----------------------------------------------------------------
64
65 Int_t initializeEveViewer( Bool_t showExtraGeo );
66
67 Int_t nextEvent();
68
69 Int_t processPHOSClusters( AliHLTHOMERBlockDesc* block);
70
71 Int_t processEsdTracks( AliHLTHOMERBlockDesc* block, TEveTrackList* cont );
72
73 Int_t processHLTRDLST( AliHLTHOMERBlockDesc* block );
74
75 Int_t processROOTTOBJ( AliHLTHOMERBlockDesc* block );
76
77 Int_t processTPCClusters (AliHLTHOMERBlockDesc * block, TEvePointSet cont );
78
79 // #################################################################
80 // #################################################################
81 // #################################################################
82
83 // -----------------------------------------------------------------
84 void onlineDisplay(Bool_t showMuonGeo=kFALSE) {
85   
86   // -- Loading Geometry
87   // ---------------------
88   Int_t run = 67179;
89   AliCDBManager::Instance()->SetDefaultStorage("local://$ALICE_ROOT/OCDB");
90   AliCDBManager::Instance()->SetRun(run);
91   AliGeomManager::LoadGeometry();
92
93   // -- Create new hM object
94   // -------------------------
95   gHomerManager = new AliEveHOMERManager();
96   gHomerManager->SetRetryCount(50,5);
97
98   Int_t iResult = gHomerManager->Initialize();
99   if (iResult) { 
100     printf("Error Initializing AliHLTHOMERManager, quitting");
101     return; 
102   }
103
104   // -- Add hM to EveTree
105   // ----------------------
106   gEve->AddToListTree(gHomerManager, kTRUE);
107
108   // -- Create SourceList
109   // ----------------------
110   iResult = gHomerManager->CreateEveSourcesListLoop();
111   if (iResult) {
112     printf ("Couldn't find active services. returning\n");
113     return;
114   } 
115
116   // -- Initialize pointsets and add macros
117   // ----------------------------------------
118   TEveUtil::LoadMacro("hlt_alieve_init.C");
119   hlt_alieve_init(".", -1);
120
121   // -- Initialize Eve
122   // -------------------
123   initializeEveViewer( showMuonGeo );
124
125   // -- Finalize Eve
126   // -----------------
127   gSystem->ProcessEvents();
128   gEve->Redraw3D(kTRUE);
129 }
130
131 // -----------------------------------------------------------------
132 Int_t initializeEveViewer( Bool_t showMuonGeo ) {
133   
134   //==============================================================================
135   // Geometry, scenes, projections and viewers
136   //==============================================================================
137
138   TEveGeoShape *geomGentle     = 0;
139   TEveGeoShape *geomGentleRPhi = 0;
140   TEveGeoShape *geomGentleRhoZ = 0;
141   TEveGeoShape *geomGentleTRD  = 0;
142   TEveGeoShape *geomGentleMUON = 0;
143
144   // -- Disable extra geometry
145   // ---------------------------
146   if ( ! showMuonGeo ) {
147     gShowMUON = gShowMUONRPhi = gShowMUONRhoZ = kFALSE;
148   }
149   
150   // -- Load Geometry
151   // ------------------
152   TEveUtil::LoadMacro("geom_gentle_hlt.C");
153   geomGentle = geom_gentle_hlt();
154   geomGentleRPhi = geom_gentle_rphi(); geomGentleRPhi->IncDenyDestroy();
155   geomGentleRhoZ = geom_gentle_rhoz(); geomGentleRhoZ->IncDenyDestroy();
156   geomGentleTRD  = geom_gentle_trd();
157   
158   if (gShowMUON) {
159     TEveUtil::LoadMacro("geom_gentle_muon.C");
160     geomGentleMUON = geom_gentle_muon(kFALSE);
161   }
162
163   // -- Scenes
164   // -----------
165
166   TEveScene *rPhiGeomScene  = gEve->SpawnNewScene("RPhi Geometry",
167                                 "Scene holding projected geometry for the RPhi view.");
168   TEveScene *rhoZGeomScene  = gEve->SpawnNewScene("RhoZ Geometry",
169                                 "Scene holding projected geometry for the RhoZ view.");
170   TEveScene *rPhiEventScene = gEve->SpawnNewScene("RPhi Event Data",
171                                 "Scene holding projected geometry for the RPhi view.");
172   TEveScene *rhoZEventScene = gEve->SpawnNewScene("RhoZ Event Data",
173                                 "Scene holding projected geometry for the RhoZ view.");
174
175   // -- Projection managers
176   // ------------------------
177
178   // -- R-Phi Projection
179   gRPhiMgr = new TEveProjectionManager();
180   gRPhiMgr->SetProjection(TEveProjection::kPT_RPhi);
181   gEve->AddToListTree(gRPhiMgr, kFALSE);
182   {
183     TEveProjectionAxes* a = new TEveProjectionAxes(gRPhiMgr);
184     a->SetMainColor(kWhite);
185     a->SetTitle("R-Phi");
186     a->SetTitleSize(0.05);
187     a->SetTitleFont(102);
188     a->SetLabelSize(0.025);
189     a->SetLabelFont(102);
190     rPhiGeomScene->AddElement(a);
191   }
192
193   gRPhiMgr->SetCurrentDepth(-10);
194   gRPhiMgr->ImportElements(geomGentleRPhi, rPhiGeomScene);
195   gRPhiMgr->SetCurrentDepth(0);
196   gRPhiMgr->ImportElements(geomGentleTRD, rPhiGeomScene);
197   if (gShowMUONRPhi) gRPhiMgr->ImportElements(geomGentleMUON, rPhiGeomScene);
198
199   // -- Rho-Z Projection
200   gRhoZMgr = new TEveProjectionManager();
201   gRhoZMgr->SetProjection(TEveProjection::kPT_RhoZ);
202   gEve->AddToListTree(gRhoZMgr, kFALSE);
203   {
204     TEveProjectionAxes* a = new TEveProjectionAxes(gRhoZMgr);
205     a->SetMainColor(kWhite);
206     a->SetTitle("Rho-Z");
207     a->SetTitleSize(0.05);
208     a->SetTitleFont(102);
209     a->SetLabelSize(0.025);
210     a->SetLabelFont(102);
211     rhoZGeomScene->AddElement(a);
212   }
213   gRhoZMgr->SetCurrentDepth(-10);
214   gRhoZMgr->ImportElements(geomGentleRhoZ, rhoZGeomScene);
215   gRhoZMgr->SetCurrentDepth(0);
216   gRhoZMgr->ImportElements(geomGentleTRD, rhoZGeomScene);
217   if (gShowMUONRhoZ) gRhoZMgr->ImportElements(geomGentleMUON, rhoZGeomScene);
218
219   // -- Viewers
220   // ------------
221   TEveBrowser *browser = gEve->GetBrowser();
222   browser->ShowCloseTab(kFALSE);
223
224   TEveViewer *threeDView  = 0;
225   TEveViewer *rPhiView = 0;
226   TEveViewer *rhoZView = 0;
227   
228   TEveWindowSlot *slot = TEveWindow::CreateWindowInTab(browser->GetTabRight());
229   TEveWindowPack *pack = slot->MakePack();
230   pack->SetElementName("Multi View");
231   pack->SetHorizontal();
232   pack->SetShowTitleBar(kFALSE);
233   pack->NewSlot()->MakeCurrent();
234   threeDView = gEve->SpawnNewViewer("3D View", "");
235   threeDView->AddScene(gEve->GetGlobalScene());
236   threeDView->AddScene(gEve->GetEventScene());
237     
238   pack = pack->NewSlot()->MakePack();
239   pack->SetShowTitleBar(kFALSE);
240   pack->NewSlot()->MakeCurrent();
241   rPhiView = gEve->SpawnNewViewer("RPhi View", "");
242   rPhiView->GetGLViewer()->SetCurrentCamera(TGLViewer::kCameraOrthoXOY);
243   rPhiView->AddScene(rPhiGeomScene);
244   rPhiView->AddScene(rPhiEventScene);
245
246   pack->NewSlot()->MakeCurrent();
247   rhoZView = gEve->SpawnNewViewer("RhoZ View", "");
248   rhoZView->GetGLViewer()->SetCurrentCamera(TGLViewer::kCameraOrthoXOY);
249   rhoZView->AddScene(rhoZGeomScene);
250   rhoZView->AddScene(rhoZEventScene);
251
252   TEveViewerList *viewerlist = new TEveViewerList();
253   viewerlist->AddElement(gEve->GetDefaultViewer());
254
255   viewerlist->AddElement(threeDView);
256   viewerlist->AddElement(rhoZView);
257   viewerlist->AddElement(rPhiView);
258   viewerlist->AddElement(threeDView);
259   viewerlist->SwitchColorSet();
260
261   //==============================================================================
262   // Macros / QA histograms
263   //==============================================================================
264
265   // -- Registration of per-event macros
266   // -------------------------------------
267
268   AliEveMacroExecutor *exec    = new AliEveMacroExecutor();
269 #if 0
270   exec->AddMacro(new AliEveMacro(AliEveMacro::kRunLoader, "SIM Track",   "kine_tracks.C", "kine_tracks", "", kFALSE));
271
272   exec->AddMacro(new AliEveMacro(AliEveMacro::kRunLoader, "SIM Hit ITS", "its_hits.C",    "its_hits",    "", kFALSE));
273   exec->AddMacro(new AliEveMacro(AliEveMacro::kRunLoader, "SIM Hit TPC", "tpc_hits.C",    "tpc_hits",    "", kFALSE));
274   exec->AddMacro(new AliEveMacro(AliEveMacro::kRunLoader, "SIM Hit T0",  "t0_hits.C",     "t0_hits",     "", kFALSE));
275   exec->AddMacro(new AliEveMacro(AliEveMacro::kRunLoader, "SIM Hit FMD", "fmd_hits.C",    "fmd_hits",    "", kFALSE));
276
277   exec->AddMacro(new AliEveMacro(AliEveMacro::kRunLoader, "DIG FMD",     "fmd_digits.C",  "fmd_digits",  "", kFALSE));
278
279   exec->AddMacro(new AliEveMacro(AliEveMacro::kRawReader, "RAW TPC",     "tpc_raw.C",     "tpc_raw",     "", kFALSE));
280   exec->AddMacro(new AliEveMacro(AliEveMacro::kRawReader, "RAW T0",      "t0_raw.C",      "t0_raw",      "", kFALSE));
281   exec->AddMacro(new AliEveMacro(AliEveMacro::kRawReader, "RAW FMD",     "fmd_raw.C",     "fmd_raw",     "", kFALSE));
282   exec->AddMacro(new AliEveMacro(AliEveMacro::kRawReader, "RAW VZERO",   "vzero_raw.C",   "vzero_raw",   "", kFALSE));
283   exec->AddMacro(new AliEveMacro(AliEveMacro::kRawReader, "RAW ACORDE",  "acorde_raw.C",  "acorde_raw",  "", kFALSE));
284
285   exec->AddMacro(new AliEveMacro(AliEveMacro::kESD, "REC PVTX",         "primary_vertex.C", "primary_vertex",             "",                kTRUE));
286   exec->AddMacro(new AliEveMacro(AliEveMacro::kESD, "REC PVTX Ellipse", "primary_vertex.C", "primary_vertex_ellipse",     "",                kTRUE));
287   exec->AddMacro(new AliEveMacro(AliEveMacro::kESD, "REC PVTX Box",     "primary_vertex.C", "primary_vertex_box",         "kFALSE, 3, 3, 3", kFALSE));
288   exec->AddMacro(new AliEveMacro(AliEveMacro::kESD, "REC PVTX",         "primary_vertex.C", "primary_vertex_spd",         "",                kTRUE));
289   exec->AddMacro(new AliEveMacro(AliEveMacro::kESD, "REC PVTX Ellipse", "primary_vertex.C", "primary_vertex_ellipse_spd", "",                kTRUE));
290   exec->AddMacro(new AliEveMacro(AliEveMacro::kESD, "REC PVTX Box",     "primary_vertex.C", "primary_vertex_box_spd",     "kFALSE, 3, 3, 3", kFALSE));
291   exec->AddMacro(new AliEveMacro(AliEveMacro::kESD, "REC PVTX",         "primary_vertex.C", "primary_vertex_tpc",         "",                kFALSE));
292   exec->AddMacro(new AliEveMacro(AliEveMacro::kESD, "REC PVTX Ellipse", "primary_vertex.C", "primary_vertex_ellipse_tpc", "",                kFALSE));
293   exec->AddMacro(new AliEveMacro(AliEveMacro::kESD, "REC PVTX Box",     "primary_vertex.C", "primary_vertex_box_tpc",     "kFALSE, 3, 3, 3", kFALSE));
294 #endif
295   exec->AddMacro(new AliEveMacro(AliEveMacro::kESD, "REC V0",   "esd_V0_points.C",       "esd_V0_points_onfly"));
296   exec->AddMacro(new AliEveMacro(AliEveMacro::kESD, "REC V0",   "esd_V0_points.C",       "esd_V0_points_offline"));
297   exec->AddMacro(new AliEveMacro(AliEveMacro::kESD, "REC V0",   "esd_V0.C",              "esd_V0"));
298   exec->AddMacro(new AliEveMacro(AliEveMacro::kESD, "REC CSCD", "esd_cascade_points.C",  "esd_cascade_points"));
299   exec->AddMacro(new AliEveMacro(AliEveMacro::kESD, "REC CSCD", "esd_cascade.C",         "esd_cascade"));
300   exec->AddMacro(new AliEveMacro(AliEveMacro::kESD, "REC KINK", "esd_kink_points.C",     "esd_kink_points"));
301   exec->AddMacro(new AliEveMacro(AliEveMacro::kESD, "REC KINK", "esd_kink.C",            "esd_kink"));
302
303   exec->AddMacro(new AliEveMacro(AliEveMacro::kESD, "REC Track", "esd_tracks.C", "esd_tracks",             "", kFALSE));
304   exec->AddMacro(new AliEveMacro(AliEveMacro::kESD, "REC Track", "esd_tracks.C", "esd_tracks_MI",          "", kFALSE));
305   exec->AddMacro(new AliEveMacro(AliEveMacro::kESD, "REC Track", "esd_tracks.C", "esd_tracks_by_category", "", kTRUE));
306
307   exec->AddMacro(new AliEveMacro(AliEveMacro::kESD, "REC Tracklet", "esd_spd_tracklets.C", "esd_spd_tracklets", "", kFALSE));
308
309   exec->AddMacro(new AliEveMacro(AliEveMacro::kESD, "REC ZDC",      "esd_zdc.C", "esd_zdc", "", kFALSE));
310 #if 0
311   exec->AddMacro(new AliEveMacro(AliEveMacro::kRunLoader, "REC Clus",     "clusters.C+",     "clusters", "", kFALSE));
312   exec->AddMacro(new AliEveMacro(AliEveMacro::kRunLoader, "REC Clus ITS", "its_clusters.C+", "its_clusters"));
313   exec->AddMacro(new AliEveMacro(AliEveMacro::kRunLoader, "REC Clus TPC", "tpc_clusters.C+", "tpc_clusters"));
314   exec->AddMacro(new AliEveMacro(AliEveMacro::kRunLoader, "REC Clus TRD", "trd_clusters.C+", "trd_clusters"));
315   exec->AddMacro(new AliEveMacro(AliEveMacro::kRunLoader, "REC Clus TOF", "tof_clusters.C+", "tof_clusters"));
316
317   exec->AddMacro(new AliEveMacro(AliEveMacro::kRunLoader, "REC Clus TPC", "vplot_tpc.C+",    "vplot_tpc", "", kFALSE));
318
319   exec->AddMacro(new AliEveMacro(AliEveMacro::kAOD, "ANA HF",   "aod_HF.C",   "aod_HF",   "", kFALSE));
320   exec->AddMacro(new AliEveMacro(AliEveMacro::kAOD, "ANA Jets", "jetplane.C", "jetplane", "", kFALSE));
321
322   // -- QA Viewer
323   // --------------
324
325   slot = TEveWindow::CreateWindowInTab(browser->GetTabRight());
326   slot->StartEmbedding();
327   new AliQAHistViewer(gClient->GetRoot(), 600, 400, kTRUE);
328   slot->StopEmbedding("QA histograms");
329
330 #endif
331
332   //==============================================================================
333   // Additional GUI components
334   //==============================================================================
335   
336   slot = TEveWindow::CreateWindowInTab(browser->GetTabRight());
337   TEveWindowTab *store_tab = slot->MakeTab();
338   store_tab->SetElementNameTitle("WindowStore",
339                                  "Undocked windows whose previous container is not known\n"
340                                  "are placed here when the main-frame is closed.");
341   gEve->GetWindowManager()->SetDefaultContainer(store_tab);
342   
343   return 0;
344 }
345
346 // -----------------------------------------------------------------
347 Int_t nextEvent() {
348
349   Int_t iResult = 0;
350
351   gStyle->SetPalette(1, 0);
352   gEve->DisableRedraw();
353
354   // -- Get Next Event from HOMER
355   // ------------------------------
356   if ( ( iResult = gHomerManager->NextEvent()) ){
357     return iResult;
358   }
359
360   // -- Reset
361   // ----------
362   if ( gTPCClusters ) gTPCClusters->Reset();
363   if ( gPHOSClusters ) gPHOSClusters->Reset();
364   if ( gTPCTrack )    gTPCTrack->DestroyElements();
365
366   if (gHomerManager->GetBlockList()->IsEmpty() ) {
367     printf ("No Blocks in list ... ");
368     return;
369   }
370
371   TIter next(gHomerManager->GetBlockList());
372   AliHLTHOMERBlockDesc* block = 0;
373
374   // -- Iterate over blocks in the block list
375   // ------------------------------------------
376   while ((block = (AliHLTHOMERBlockDesc*)next())) {
377     
378     printf( "------------------- xxxxxxxxxxxxxxx ----------------------\n");
379     printf( "Detector           : %s\n", block->GetDetector().Data() );
380     printf( "Datatype           : %s\n", block->GetDataType().Data() );
381     if (block->IsTObject() )
382       printf( "Is TObject of class: %s\n", block->GetClassName().Data() );
383     printf( "------------------- xxxxxxxxxxxxxxx ----------------------\n");
384
385     // -- CHECK SOURCE
386     // -----------------------------------------------------
387     
388     // ++ HLT BLOCK
389     // +++++++++++++++++++++++++++++++++++++++++++++++++++++++
390     if ( ! block->GetDetector().CompareTo("HLT") ) {
391
392       // -- ESDTREE
393       if ( ! block->GetDataType().CompareTo("ALIESDV0") ) {
394         cout << "ALIESDV0 ------- ALIESDV0 ------ ALIESDV0" << endl;
395
396         if(!gTPCTrack){
397           gTPCTrack = new TEveTrackList("ESD Tracks");
398           gTPCTrack->SetMainColor(6);
399           gEve->AddElement(gTPCTrack);
400         }
401
402         iResult = processEsdTracks(block, gTPCTrack);
403       }
404
405       // -- Process ROOTObj
406       else if ( ! block->GetDataType().CompareTo("ROOTTOBJ") ) {
407         processROOTTOBJ( block );
408       } 
409
410       // -- Process HLT RDLST
411       else if ( ! block->GetDataType().CompareTo("HLTRDLST") ) {
412         processHLTRDLST( block );
413       } 
414     } // if ( ! block->GetDetector().CompareTo("HLT") ) {
415
416     // ++ TPC BLOCK
417     // +++++++++++++++++++++++++++++++++++++++++++++++++++++++
418     else if ( ! block->GetDetector().CompareTo("TPC") ) {
419       
420       // -- ESDTREE
421       if ( ! block->GetDataType().CompareTo("ALIESDV0") ) {
422
423       }
424     } // else if ( ! block->GetDetector().CompareTo("HLT") ) {
425
426     // ++ ITS - SPD  BLOCK
427     // +++++++++++++++++++++++++++++++++++++++++++++++++++++++
428     else if ( ! block->GetDetector().CompareTo("ISPD") ){
429       if ( block->GetDataType().CompareTo("CLUSTERS") == 0 ) {
430         //processISPDClusters( block );
431       } 
432     } // else if ( ! block->GetDetector().CompareTo("ISPD") ){
433
434   } // while ((block = (AliHLTHOMERBlockDesc*)next())) {
435
436   if ( gTPCClusters ) gTPCClusters->ResetBBox();
437   if ( gPHOSClusters ) gPHOSClusters->ResetBBox();
438   if ( gSPDClusters ) gSPDClusters->ResetBBox();
439   if ( gTPCTrack ) gTPCTrack->ElementChanged();
440
441   
442 #if 0
443   TTimeStamp ts(esd->GetTimeStamp());
444   TString win_title("Eve Main Window -- Timestamp: ");
445   win_title += ts.AsString("s");
446   win_title += "; Event # in ESD file: ";
447   win_title += esd->GetEventNumberInFile();
448   gEve->GetBrowser()->SetWindowName(win_title);
449 #endif
450
451   // -- Set Projections
452   // --------------------------------------------
453   TEveElement* top = gEve->GetCurrentEvent();
454
455   // XXX Primary vertex ... to be retrieved from the ESD
456   Double_t x[3] = { 0, 0, 0 };
457
458   if (gRPhiMgr && top) {
459     gRPhiMgr->DestroyElements();
460     gRPhiMgr->SetCenter(x[0], x[1], x[2]);
461     gRPhiMgr->ImportElements(geomGentleRPhi);
462     gRPhiMgr->ImportElements(top);
463   }
464   if (gRhoZMgr && top) {
465     gRhoZMgr->DestroyElements();
466     gRhoZMgr->SetCenter(x[0], x[1], x[2]);
467     gRhoZMgr->ImportElements(geomGentleRhoZ);
468     gRhoZMgr->ImportElements(geomMuon);
469     gRhoZMgr->ImportElements(top);
470   }
471   // --------------------------------------------
472
473   gEve->Redraw3D(0,1); // (0, 1)
474   gEve->EnableRedraw(); 
475   
476   return iResult;
477 }
478
479 // -----------------------------------------------------------------
480 void loopEvent() {
481   eventTimer.SetCommand("nextEvent()");
482   eventTimer.Start(6000);
483 }
484
485 // -----------------------------------------------------------------
486 void stopLoopEvent() {
487   eventTimer.Stop();
488 }
489
490 // -----------------------------------------------------------------
491 Int_t processHLTRDLST(AliHLTHOMERBlockDesc* block) {
492
493   return 0;
494 }
495
496 // -----------------------------------------------------------------
497 Int_t processISPDClusters(AliHLTHOMERBlockDesc* block) {
498   cout<<"ISPD dump:"<<endl;
499   TObject ob = block->GetTObject();
500   ob.Dump();
501
502   return 0;
503 }
504
505 // -----------------------------------------------------------------
506 Int_t processROOTTOBJ(AliHLTHOMERBlockDesc* block) {
507   
508   // -- AliHLTGlobalTriggerDecision
509   if ( ! block->GetClassName().CompareTo("AliHLTGlobalTriggerDecision") ) {
510
511     AliHLTGlobalTriggerDecision *trig = dynamic_cast<AliHLTGlobalTriggerDecision*> block->GetTObject();
512     trig->Print(); 
513
514     TEveText* tt = new TEveText("Trigger: Class is known ;-) ");
515     gEve->AddElement(tt);
516
517   }
518   else {
519     printf(" Unknown root object %s",block->GetClassName().Data() );
520   }
521
522   return 0;
523 }
524
525 // -----------------------------------------------------------------
526 Int_t processEsdTracks( AliHLTHOMERBlockDesc* block, TEveTrackList* cont ) {
527
528   AliESDEvent* esd = (AliESDEvent *) (block->GetTObject());
529   esd->GetStdContent();
530
531   esd_track_propagator_setup(cont->GetPropagator(),0.1*esd->GetMagneticField(), 520);
532
533   printf( "Number of ESD Tracks : %d \n", esd->GetNumberOfTracks());
534
535   for (Int_t iter = 0; iter < esd->GetNumberOfTracks(); ++iter) {
536     AliEveTrack* track = esd_make_track(esd->GetTrack(iter), cont);
537     cont->AddElement(track);
538   }
539   
540   cont->SetTitle(Form("N=%d", esd->GetNumberOfTracks()) );
541   cont->MakeTracks();
542
543   return 0;
544 }
545
546
547 // Int_t tpc_clusters(TEveElement* cont=0, Float_t maxR=270)
548 // {
549
550
551 //   AliTPCClustersRow *clrow = new AliTPCClustersRow();
552 //   clrow->SetClass("AliTPCclusterMI");
553 //   clrow->SetArray(kMaxCl);
554 //   cTree->SetBranchAddress("Segment", &clrow);
555
556 //   tTPCClusters->SetOwnIds(kTRUE);
557
558
559 //   Float_t maxRsqr = maxR*maxR;
560 //   Int_t nentr=(Int_t)cTree->GetEntries();
561 //   for (Int_t i=0; i<nentr; i++)
562 //   {
563 //     if (!cTree->GetEvent(i)) continue;
564
565 //     TClonesArray *cl = clrow->GetArray();
566 //     Int_t ncl = cl->GetEntriesFast();
567
568 //     while (ncl--)
569 //     {
570 //       AliCluster *c = (AliCluster*) cl->UncheckedAt(ncl);
571 //       Float_t g[3]; //global coordinates
572 //       c->GetGlobalXYZ(g);
573 //       if (g[0]*g[0]+g[1]*g[1] < maxRsqr)
574 //       {
575 //      clusters->SetNextPoint(g[0], g[1], g[2]);
576 //      AliCluster *atp = new AliCluster(*c);
577 //      clusters->SetPointId(atp);
578 //       }
579 //     }
580 //     cl->Clear();
581 //   }
582
583 //   delete clrow;
584
585 //   if (clusters->Size() == 0 && gEve->GetKeepEmptyCont() == kFALSE)
586 //   {
587 //     Warning("tpc_clusters.C", "No TPC clusters");
588 //     delete clusters;
589 //     return 1;
590 //   }
591
592 //   char form[1000];
593 //   sprintf(form,"TPC Clusters");
594 //   gTPCClusters->SetName(form);
595
596 //   char tip[1000];
597 //   sprintf(tip,"N=%d", gTPCClusters->Size());
598 //   gTPCClusters->SetTitle(tip);
599
600 //   const TString viz_tag("TPC Clusters");
601 //   gTPCClusters->ApplyVizTag(viz_tag, "Clusters");
602
603 //   return 0;
604 // }
605
606
607
608  Int_t processTPCClusters(AliHLTHOMERBlockDesc* block, TEvePointSet *  cont) {
609   Int_t iResult = 0;
610   
611   Int_t   slice = block->GetSubDetector().Atoi();
612   Int_t   patch = block->GetSubSubDetector().Atoi();
613   Float_t phi   = ( slice + 0.5 ) * TMath::Pi() / 9.0;  
614   Float_t cos   = TMath::Cos( phi );
615   Float_t sin   = TMath::Sin( phi );
616     
617   AliHLTTPCClusterData *cd = (AliHLTTPCClusterData*) block->GetData();
618   UChar_t *data            = (UChar_t*) cd->fSpacePoints;
619
620   if ( cd->fSpacePointCnt == 0 ) {
621     printf ("No Clusters found in sector %d patch %d.\n", slice, patch );
622     iResult = -1;
623   } 
624   else {
625     
626     for (Int_t ii = 0; ii < cd->fSpacePointCnt; ++ii, data += sizeof(AliHLTTPCSpacePointData)) {
627       AliHLTTPCSpacePointData *sp = (AliHLTTPCSpacePointData *) data;
628       
629       cont->SetNextPoint(cos*sp->fX - sin*sp->fY, sin*sp->fX + cos*sp->fY, sp->fZ);
630     }
631   }
632   
633   return iResult;
634 }
635