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Last change on this file since 5657 was 5307, checked in by tbretz, 20 years ago
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1	/* ======================================================================== *\
2	!
3	! *
4	! * This file is part of MARS, the MAGIC Analysis and Reconstruction
5	! * Software. It is distributed to you in the hope that it can be a useful
6	! * and timesaving tool in analysing Data of imaging Cerenkov telescopes.
7	! * It is distributed WITHOUT ANY WARRANTY.
8	! *
9	! * Permission to use, copy, modify and distribute this software and its
10	! * documentation for any purpose is hereby granted without fee,
11	! * provided that the above copyright notice appear in all copies and
12	! * that both that copyright notice and this permission notice appear
13	! * in supporting documentation. It is provided "as is" without express
14	! * or implied warranty.
15	! *
16	!
17	!
18	! Author(s): Thomas Bretz, 10/2001 <mailto:tbretz@astro.uni-wuerzburg.de>
19	!
20	! Copyright: MAGIC Software Development, 2000-2003
21	!
22	!
23	\* ======================================================================== */
24	#include "MEventDisplay.h"
25
26	//
27	// C-lib
28	//
29	#include <stdlib.h> // atoi
30
31	//
32	// root
33	//
34	#include <TFile.h> // TFile
35	#include <TTree.h> // TTree
36	#include <TList.h> // TList::Add
37	#include <TStyle.h> // gStyle->SetOptStat
38	#include <TCanvas.h> // TCanvas::cd
39	#include <TSystem.h> // TSystem::BaseName
40
41	//
42	// root GUI
43	//
44	#include <TGLabel.h> // TGLabel
45	#include <TGButton.h> // TGPictureButton
46	#include <TG3DLine.h> // TGHorizontal3DLine
47	#include <TGTextEntry.h> // TGTextEntry
48	#include <TGButtonGroup.h> // TGVButtonGroup
49	#include <TRootEmbeddedCanvas.h> // TRootEmbeddedCanvas
50
51	//
52	// General
53	//
54	#include "MGList.h" // MGList
55
56	#include "MLog.h"
57	#include "MLogManip.h"
58
59	#include "MParList.h" // MParList::AddToList
60	#include "MEvtLoop.h" // MEvtLoop::GetParList
61	#include "MTaskList.h" // MTaskList::AddToList
62
63	//
64	// Tasks
65	//
66	#include "MReadMarsFile.h" // MReadMarsFile
67	#include "MGeomApply.h" // MGeomApply
68	#include "MFDataMember.h" // MFDataMember
69	#include "MMcPedestalCopy.h" // MMcPedestalCopy
70	#include "MMcPedestalNSBAdd.h" // MMcPedestalNSBAdd
71
72	#include "MCerPhotAnal2.h" // MCerPhotAnal2
73	#include "MImgCleanStd.h" // MImgCleanStd
74	#include "MHillasCalc.h" // MHillasCalc
75	//#include "MHillasSrcCalc.h" // MHillasSrcCalc
76	//#include "MBlindPixelCalc.h" // MBlindPixelCalc
77	#include "MArrivalTimeCalc.h" // MArrivalTimeCalc
78	#include "MFillH.h" // MFillH
79	#include "MExtractSignal.h" // MExtractsignal
80	#include "MMcCalibrationUpdate.h" // MMcCalibrationUpdate
81	#include "MCalibrate.h" // MCalibrate
82	#include "MMcTriggerLvl2Calc.h" // MMcTriggerLvl2Calc
83
84	//
85	// Container
86	//
87	#include "MHillas.h" // MHillas::Print(const MGeomCam&)
88	#include "MHillasExt.h" // MHillasExt::Print(const MGeomCam&)
89	#include "MHillasSrc.h" // MHillasSrc::Print(const MGeomCam&)
90	#include "MImagePar.h" // MImagePar::Print(const MGeomCam&)
91	#include "MNewImagePar.h" // MNewImagePar::Print(const MGeomCam&)
92	#include "MHEvent.h" // MHEvent
93	#include "MHCamera.h" // MHCamera
94	#include "MRawEvtData.h" // MRawEvtData
95	#include "MArrivalTimeCam.h" // MArrivalTimeCam
96	#include "MBadPixelsCam.h" // MBadPixelsCam
97	#include "MPedPhotCam.h" // MPedPhotCam
98	#include "MCalibrationChargeCam.h" // MCalibrationChargeCam
99	#include "MMcTriggerLvl2.h" // MMcTriggerLvl2
100
101	using namespace std;
102
103	ClassImp(MEventDisplay);
104
105	// --------------------------------------------------------------------------
106	//
107	// Constructor.
108	//
109	MEventDisplay::MEventDisplay(const char fname, const char pname, const char *cname) : MStatusDisplay(), fEvtLoop(0)
110	{
111	//
112	// Setup Task list for hillas calculation
113	//
114	SetupTaskList("Events", fname, pname, cname);
115
116	//
117	// Add MEventDisplay GUI elements to the display
118	//
119	AddUserFrame(fname);
120
121	//
122	// Show new part of the window, resize to correct aspect ratio
123	//
124	// FIXME: This should be done by MStatusDisplay automatically
125	Resize(GetWidth(), GetHeight() + fUserFrame->GetDefaultHeight());
126	SetWindowName("Event Display");
127	MapSubwindows();
128
129	//
130	// Readin first event and display it
131	//
132	if (fEvtLoop)
133	ReadFirstEvent();
134
135	SetNoContextMenu(kFALSE);
136	}
137
138	// --------------------------------------------------------------------------
139	//
140	// Destructor: PostProcess eventloop, delete eventloop with all containers
141	//
142	MEventDisplay::~MEventDisplay()
143	{
144	if (fEvtLoop)
145	{
146	fEvtLoop->PostProcess();
147	delete fEvtLoop;
148	}
149	}
150
151	Int_t MEventDisplay::GetFileType(const char tree, const char fname) const
152	{
153	TFile f(fname, "READ");
154	TTree t = (TTree)f.Get(tree);
155	if (!t)
156	return -1;
157
158	if (t->FindBranch("MCerPhotEvt."))
159	return 1;
160
161	if (t->FindBranch("MRawEvtData."))
162	return 2;
163
164	return -2;
165	}
166
167	// --------------------------------------------------------------------------
168	//
169	// Setup Task and parameter list for hillas calculation,
170	// preprocess tasks and read in first event (process)
171	//
172	void MEventDisplay::SetupTaskList(const char tname, const char fname,
173	const char pname, const char cname)
174	{
175	MCalibrationChargeCam *ccam=0;
176	MPedPhotCam *pcam=0;
177
178	MBadPixelsCam *badpix = new MBadPixelsCam;
179
180	const Int_t type = GetFileType(tname, fname);
181	switch (type)
182	{
183	case 1: gLog << all << "Calibrated Data File detected..." << endl; break;
184	case 2: gLog << all << "Raw Data File detected..." << endl; break;
185	case -2: gLog << err << "File type unknown... abort." << endl; return;
186	case -1: gLog << err << "Tree " << tname << " not found... abort." << endl; return;
187	}
188
189	if (type==2)
190	{
191	TFile file(pname, "READ");
192	if (!file.IsZombie())
193	pcam = new MPedPhotCam;
194	if (pcam)
195	{
196	if (pcam->Read()<=0)
197	{
198	delete pcam;
199	pcam = NULL;
200	}
201
202	if (file.FindKey("MBadPixelsCam"))
203	{
204	MBadPixelsCam bad;
205	if (bad.Read()>0)
206	badpix->Merge(bad);
207	}
208	}
209	file.Close();
210	file.Open(cname, "READ");
211	if (!file.IsZombie())
212	ccam = new MCalibrationChargeCam;
213	if (ccam)
214	{
215	if (ccam->Read()<=0)
216	{
217	delete ccam;
218	ccam = NULL;
219	}
220
221	if (file.FindKey("MBadPixelsCam"))
222	{
223	MBadPixelsCam bad;
224	if (bad.Read()>0)
225	badpix->Merge(bad);
226	}
227	}
228	file.Close();
229	}
230
231	//
232	// Setup an empty job, with a reader task only.
233	// All tasks and parameter containers are deleted automatically
234	// (via SetOwner())
235	//
236	MTaskList *tlist = new MTaskList;
237	tlist->SetOwner();
238
239	MReadMarsFile *read = new MReadMarsFile(tname, fname);
240	read->DisableAutoScheme();
241	tlist->AddToList(read);
242
243	MGeomApply *apl = new MGeomApply;
244	tlist->AddToList(apl);
245
246	MParList *plist = new MParList;
247	plist->SetOwner();
248	plist->AddToList(tlist);
249	plist->AddToList(badpix);
250	if (pcam)
251	plist->AddToList(pcam);
252	if (ccam)
253	plist->AddToList(ccam);
254
255	//MArrivalTime *atime = new MArrivalTime;
256	//plist->AddToList(atime);
257
258	MHEvent *evt01 = new MHEvent(MHEvent::kEvtSignalRaw);
259	MHEvent *evt02 = new MHEvent(MHEvent::kEvtSignalRaw);
260	MHEvent *evt03 = new MHEvent(MHEvent::kEvtPedestal);
261	MHEvent *evt04 = new MHEvent(MHEvent::kEvtPedestalRMS);
262	MHEvent *evt06a= new MHEvent(MHEvent::kEvtCleaningData);
263	MHEvent *evt06b= new MHEvent(MHEvent::kEvtCleaningLevels);
264	MHEvent *evt07 = new MHEvent(MHEvent::kEvtIdxMax);
265	MHEvent *evt08 = new MHEvent(MHEvent::kEvtArrTime);
266	MHEvent *evt09 = new MHEvent(MHEvent::kEvtTrigPix);
267	MHEvent *evt10 = new MHEvent(MHEvent::kEvtIslandIndex);
268
269	evt01->SetName("Signal");
270	evt02->SetName("Cleaned");
271	evt03->SetName("Pedestal");
272	evt04->SetName("PedRMS");
273	evt06a->SetName("CleanData");
274	evt06b->SetName("CleanLevels");
275	evt07->SetName("Max Slice Idx");
276	evt08->SetName("Arrival Time");
277	evt09->SetName("Trigger");
278	evt10->SetName("Islands");
279
280	// This makes sure, that the containers are deleted...
281	plist->AddToList(evt01);
282	plist->AddToList(evt02);
283	plist->AddToList(evt03);
284	plist->AddToList(evt04);
285	plist->AddToList(evt06a);
286	plist->AddToList(evt06b);
287	plist->AddToList(evt07);
288	plist->AddToList(evt08);
289	plist->AddToList(evt09);
290	plist->AddToList(evt10);
291
292	MCerPhotAnal2 *nanal = new MCerPhotAnal2;
293	MFillH *fill01 = new MFillH(evt01, "MCerPhotEvt", "MFillH01");
294	MImgCleanStd *clean = new MImgCleanStd;
295	MFillH *fill02 = new MFillH(evt02, "MCerPhotEvt", "MFillH02");
296	MFillH *fill03 = new MFillH(evt03, "MPedPhotCam", "MFillH03");
297	MFillH *fill04 = new MFillH(evt04, "MPedPhotCam", "MFillH04");
298	MFillH *fill06a= new MFillH(evt06a, "MCameraData", "MFillH06a");
299	MFillH *fill06b= new MFillH(evt06b, "MCameraData", "MFillH06b");
300	//MBlindPixelCalc *blind = new MBlindPixelCalc;
301	MHillasCalc *hcalc = new MHillasCalc;
302	MMcTriggerLvl2Calc *trcal = new MMcTriggerLvl2Calc;
303	MFillH *fill09 = new MFillH(evt09, "MMcTriggerLvl2", "MFillH09");
304	MFillH *fill10 = new MFillH(evt10, "MCerPhotEvt", "MFillH10");
305
306	// If no pedestal or no calibration file is availble
307	if (type==2)
308	{
309	if (!pcam \|\| !ccam)
310	{
311	MFilter *f1=new MFDataMember("MRawRunHeader.fRunType", '>', 255.5);
312	MFilter *f2=new MFDataMember("MRawRunHeader.fRunType", '<', 255.5);
313	f1->SetName("MFMonteCarlo");
314	f2->SetName("MFRealData");
315
316	MMcPedestalCopy *pcopy = new MMcPedestalCopy;
317	MMcPedestalNSBAdd *pdnsb = new MMcPedestalNSBAdd;
318
319	MExtractSignal* extra = new MExtractSignal();
320	extra->SetRange(0, 14, 0, 14);
321	extra->SetSaturationLimit(240);
322
323	MMcCalibrationUpdate* mcupd = new MMcCalibrationUpdate;
324	mcupd->SetOuterPixelsGainScaling(kFALSE);
325
326	MCalibrate* mccal = new MCalibrate;
327	mccal->SetCalibrationMode(MCalibrate::kFfactor);
328
329	// MC
330	extra->SetFilter(f1);
331	mcupd->SetFilter(f1);
332	mccal->SetFilter(f1);
333	trcal->SetFilter(f1);
334	//fill09->SetFilter(f1);
335
336	// Data
337	nanal->SetFilter(f2);
338
339	// TaskList
340	tlist->AddToList(f1);
341	tlist->AddToList(f2);
342	tlist->AddToList(pcopy);
343	tlist->AddToList(pdnsb);
344
345	tlist->AddToList(extra);
346	tlist->AddToList(mcupd);
347	tlist->AddToList(mccal);
348
349
350	tlist->AddToList(nanal);
351	}
352	else
353	{
354	MCalibrate* calib = new MCalibrate;
355	tlist->AddToList(calib);
356	}
357	}
358
359	tlist->AddToList(fill01);
360	tlist->AddToList(clean);
361	tlist->AddToList(fill02);
362	tlist->AddToList(fill03);
363	tlist->AddToList(fill04);
364	tlist->AddToList(fill06a);
365	tlist->AddToList(fill06b);
366	//tlist->AddToList(blind);
367	tlist->AddToList(fill10);
368	tlist->AddToList(hcalc);
369	if ((!pcam \|\| !ccam) && type==2)
370	{
371	MArrivalTimeCalc *tcalc = new MArrivalTimeCalc;
372	MFillH *fill07 = new MFillH(evt07, "MRawEvtData", "MFillH7");
373	MFillH *fill08 = new MFillH(evt08, "MArrivalTimeCam", "MFillH8");
374	tlist->AddToList(tcalc);
375	tlist->AddToList(fill07);
376	tlist->AddToList(fill08);
377
378	tlist->AddToList(trcal);
379	tlist->AddToList(fill09);
380	}
381	if (type==1)
382	{
383	MFillH *fill08 = new MFillH(evt08, "MArrivalTime", "MFillH8");
384	tlist->AddToList(fill08);
385	}
386
387	//
388	// Now distribute Display to all tasks
389	//
390	fEvtLoop = new MEvtLoop(Form("Mars %s", gSystem->BaseName(fname)));
391	fEvtLoop->SetOwner();
392	fEvtLoop->SetParList(plist);
393	fEvtLoop->SetDisplay(this);
394	fEvtLoop->ReadEnv("mars.rc");
395
396	}
397
398	// --------------------------------------------------------------------------
399	//
400	// Add the top part of the frame: This is filename and treename display
401	//
402	void MEventDisplay::AddTopFramePart1(TGCompositeFrame *frame,
403	const char *filename,
404	const char *treename)
405	{
406	//
407	// --- the top1 part of the window ---
408	//
409	TGHorizontalFrame *top1 = new TGHorizontalFrame(frame, 1, 1);
410	fList->Add(top1);
411
412	//
413	// create gui elements
414	//
415	TGLabel *file = new TGLabel(top1, new TGString(Form("%s#%s", filename, treename)));
416	fList->Add(file);
417
418	//
419	// layout and add gui elements in/to frame
420	//
421	TGLayoutHints *laystd = new TGLayoutHints(kLHintsCenterX, 5, 5);
422	fList->Add(laystd);
423
424	top1->AddFrame(file, laystd);
425
426	//
427	// --- the top1 part of the window ---
428	//
429	TGHorizontalFrame *top2 = new TGHorizontalFrame(frame, 1, 1);
430	fList->Add(top2);
431
432	//
433	// layout and add frames
434	//
435	TGLayoutHints *laytop1 = new TGLayoutHints(kLHintsCenterX, 5, 5, 5);
436	fList->Add(laytop1);
437	frame->AddFrame(top1, laytop1);
438	frame->AddFrame(top2, laytop1);
439	}
440
441	// --------------------------------------------------------------------------
442	//
443	// Add the second part of the top frame: This are the event number controls
444	//
445	void MEventDisplay::AddTopFramePart2(TGCompositeFrame *frame)
446	{
447	//
448	// --- the top2 part of the window ---
449	//
450	TGHorizontalFrame *top2 = new TGHorizontalFrame(frame, 1, 1);
451	fList->Add(top2);
452
453	//
454	// Create the gui elements
455	//
456	TGTextButton *prevevt = new TGTextButton(top2, " << ", kEvtPrev);
457	prevevt->Associate(this);
458
459	TGLabel *evtnr = new TGLabel(top2, new TGString("Event:"));
460
461	TGTextEntry *entry=new TGTextEntry(top2, new TGTextBuffer(100), kEvtNumber);
462	entry->Resize(60, entry->GetDefaultHeight());
463	entry->Associate(this);
464
465	fNumOfEvts = new TGLabel(top2, "of .");
466
467	TGTextButton *nextevt = new TGTextButton (top2, " >> ", kEvtNext);
468	nextevt->Associate(this);
469
470	//
471	// Add gui elements to 'atotodel'
472	//
473	fList->Add(prevevt);
474	fList->Add(evtnr);
475	fList->Add(entry);
476	fList->Add(fNumOfEvts);
477	fList->Add(nextevt);
478
479	//
480	// add the gui elements to the frame
481	//
482	TGLayoutHints *laystd = new TGLayoutHints(kLHintsLeft\|kLHintsCenterY, 5, 5);
483	fList->Add(laystd);
484
485	top2->AddFrame(prevevt, laystd);
486	top2->AddFrame(evtnr, laystd);
487	top2->AddFrame(entry, laystd);
488	top2->AddFrame(fNumOfEvts, laystd);
489	top2->AddFrame(nextevt, laystd);
490
491	TGLayoutHints *laystd2 = new TGLayoutHints(kLHintsCenterX, 5, 5, 5, 5);
492	fList->Add(laystd2);
493	frame->AddFrame(top2, laystd2);
494
495	//
496	// Add trailing line...
497	//
498	TGHorizontal3DLine *line = new TGHorizontal3DLine(frame);
499	TGLayoutHints *layline = new TGLayoutHints(kLHintsExpandX);
500	fList->Add(line);
501	fList->Add(layline);
502	frame->AddFrame(line, layline);
503	}
504
505	// --------------------------------------------------------------------------
506	//
507	// Add the user frame part of the display
508	//
509	void MEventDisplay::AddUserFrame(const char* filename)
510	{
511	fUserFrame->ChangeOptions(kHorizontalFrame);
512
513	TGCompositeFrame *vf1 = new TGVerticalFrame(fUserFrame, 1, 1);
514	TGCompositeFrame *vf2 = new TGVerticalFrame(fUserFrame, 1, 1);
515
516	AddTopFramePart1(vf1, filename, "Events");
517	AddTopFramePart2(vf1);
518
519	// create root embedded canvas and add it to the tab
520	TRootEmbeddedCanvas ec = new TRootEmbeddedCanvas("Slices", vf2, vf1->GetDefaultHeight()3/2, vf1->GetDefaultHeight(), 0);
521	vf2->AddFrame(ec);
522	fList->Add(ec);
523
524	// set background and border mode of the canvas
525	fCanvas = ec->GetCanvas();
526	fCanvas->SetBorderMode(0);
527	gROOT->GetListOfCanvases()->Add(fCanvas);
528	//fCanvas->SetBorderSize(1);
529	//fCanvas->SetBit(kNoContextMenu);
530	//fCanvas->SetFillColor(16);
531
532	TGLayoutHints *lay = new TGLayoutHints(kLHintsExpandX);
533	fUserFrame->AddFrame(vf1, lay);
534	fUserFrame->AddFrame(vf2);
535	}
536
537	// --------------------------------------------------------------------------
538	//
539	// Checks if the event number is valid, and if so reads the new event
540	// and updates the display
541	//
542	void MEventDisplay::ReadinEvent(Int_t dir)
543	{
544	MParList plist = (MParList) fEvtLoop->GetParList();
545	MTaskList tlist = (MTaskList) fEvtLoop->GetTaskList();
546	MGeomCam geom = (MGeomCam) plist->FindObject("MGeomCam");
547	MRawEvtData raw = (MRawEvtData)plist->FindObject("MRawEvtData");
548
549	//
550	// Read first event.
551	//
552	MReadTree reader = (MReadTree)fEvtLoop->FindTask("MRead");
553
554	const Int_t num = reader->GetNumEntry();
555
556	do
557	{
558	if (dir<0 && !reader->DecEventNum())
559	{
560	reader->SetEventNum(num);
561	return;
562	}
563	if (dir>0 && !reader->IncEventNum())
564	{
565	reader->SetEventNum(num);
566	return;
567	}
568
569	if (!tlist->Process())
570	return;
571
572	reader->DecEventNum();
573
574	} while (raw && raw->GetNumPixels()<1 && dir!=0);
575
576	//
577	// Cleare the 'FADC canvas'
578	//
579	fCanvas->Clear();
580	fCanvas->Modified();
581	fCanvas->Update();
582
583	//
584	// Print parameters
585	//
586	((MHillas) plist->FindObject("MHillas"))->Print(geom);
587	((MHillasExt) plist->FindObject("MHillasExt"))->Print(geom);
588	((MHillasSrc) plist->FindObject("MHillasSrc"))->Print(geom);
589	plist->FindObject("MImagePar")->Print();
590	((MNewImagePar)plist->FindObject("MNewImagePar"))->Print(geom);
591
592	//
593	// UpdateDisplay
594	//
595	gStyle->SetOptStat(1101);
596	Update();
597
598	TGTextEntry entry = (TGTextEntry)fList->FindWidget(kEvtNumber);
599	entry->SetText(Form("%d", reader->GetNumEntry()+1));
600	}
601
602	// --------------------------------------------------------------------------
603	//
604	// Read first event to get display booted
605	//
606	void MEventDisplay::ReadFirstEvent()
607	{
608	if (!fEvtLoop->PreProcess())
609	return;
610
611	UnLock();
612
613	//
614	// Get parlist
615	//
616	MParList plist = (MParList)fEvtLoop->GetParList();
617
618	//
619	// Add Geometry tab
620	//
621	AddGeometryTabs();
622
623	//
624	// Now read event...
625	//
626	ReadinEvent();
627
628	MReadTree reader = (MReadTree)fEvtLoop->FindTask("MRead");
629	TGString *txt = new TGString(Form("of %d", reader->GetEntries()));
630	fNumOfEvts->SetText(txt);
631
632	//
633	// Draw ellipse on top of all pads
634	//
635	TObject *hillas1 = plist->FindObject("MHillas");
636	TObject *hillas2 = plist->FindObject("MHillasSrc");
637	for (int i=1; i<7;i++)
638	{
639	TCanvas *c = GetCanvas(i);
640	c->GetPad(1)->cd(1);
641	hillas1->Draw();
642	hillas2->Draw();
643	}
644	}
645
646	// --------------------------------------------------------------------------
647	//
648	// Adds the geometry tab
649	//
650	void MEventDisplay::AddGeometryTabs()
651	{
652	MGeomCam geom = (MGeomCam)fEvtLoop->GetParList()->FindObject("MGeomCam");
653	if (!geom)
654	return;
655
656	TCanvas &c1=AddTab("Geometry");
657
658	MHCamera cam = new MHCamera(geom);
659	cam->SetBit(TH1::kNoStats\|MHCamera::kNoLegend\|kCanDelete);
660	cam->Draw("pixelindex");
661
662	c1.Modified();
663	c1.Update();
664
665	TCanvas &c2=AddTab("Sectors");
666
667	cam = new MHCamera(*geom);
668	cam->SetBit(TH1::kNoStats\|MHCamera::kNoLegend\|kCanDelete);
669	cam->Draw("sectorindex");
670
671	c2.Modified();
672	c2.Update();
673	}
674
675	// --------------------------------------------------------------------------
676	//
677	// ProcessMessage(Long_t msg, Long_t parm1, Long_t parm2)
678	//
679	// Processes information from all GUI items.
680	// Selecting an item usually generates an event with 4 parameters.
681	// The first two are packed into msg (first and second bytes).
682	// The other two are parm1 and parm2.
683	//
684	Bool_t MEventDisplay::ProcessMessage(Long_t msg, Long_t mp1, Long_t mp2)
685	{
686	switch (GET_MSG(msg))
687	{
688	case kC_TEXTENTRY:
689	switch(GET_SUBMSG(msg))
690	{
691	case kTE_ENTER:
692	switch(GET_SUBMSG(msg))
693	{
694	case kTE_ENTER:
695	{
696	TGTextEntry entry = (TGTextEntry)fList->FindWidget(kEvtNumber);
697	MReadTree reader = (MReadTree)fEvtLoop->FindTask("MRead");
698	if (reader->SetEventNum(atoi(entry->GetText())-1))
699	ReadinEvent();
700	}
701	return kTRUE;
702	}
703	return kTRUE;
704	}
705	break;
706
707	case kC_COMMAND:
708	switch (GET_SUBMSG(msg))
709	{
710	case kCM_TAB:
711	{
712	//
713	// Set name for 'FADC canvas'. The name is the anchor for MHCamera.
714	// and clear the canvas
715	TCanvas *c = GetCanvas(mp1);
716	if (!c)
717	break;
718	MHEvent o = (MHEvent)fEvtLoop->GetParList()->FindObject(c->GetName());
719	if (!o)
720	break;
721	fCanvas->SetName(Form("%p;%p;PixelContent", o->GetHist(), c->GetPad(1)->GetPad(1)));
722	}
723	break;
724
725	case kCM_BUTTON:
726	switch (mp1)
727	{
728	case kEvtPrev:
729	ReadinEvent(-1);
730	return kTRUE;
731
732	case kEvtNext:
733	ReadinEvent(+1);
734	return kTRUE;
735	}
736	return kTRUE;
737	}
738	break;
739	}
740
741	return MStatusDisplay::ProcessMessage(msg, mp1, mp2);
742	}

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