source: trunk/MagicSoft/Mars/mmain/MEventDisplay.cc@ 6856

Last change on this file since 6856 was 6856, 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 "MSignalCalc.h" // MPedestalCalc
73#include "MTaskEnv.h" // MTaskEnv
74#include "MExtractTimeAndChargeDigitalFilter.h"
75#include "MImgCleanStd.h" // MImgCleanStd
76#include "MHillasCalc.h" // MHillasCalc
77#include "MCalibrationRelTimeCalc.h" // MHillasSrcCalc
78#include "MPrint.h" //
79#include "MBadPixelsCalc.h" // MBadPixelsCalc
80#include "MBadPixelsTreat.h" // MBadPixelsTreat
81#include "MFillH.h" // MFillH
82#include "MExtractSignal.h" // MExtractsignal
83#include "MMcCalibrationUpdate.h" // MMcCalibrationUpdate
84#include "MCalibrateData.h" // MCalibrateData
85#include "MMcTriggerLvl2Calc.h" // MMcTriggerLvl2Calc
86
87//
88// Container
89//
90#include "MHillas.h" // MHillas::Print(const MGeomCam&)
91#include "MHillasExt.h" // MHillasExt::Print(const MGeomCam&)
92#include "MHillasSrc.h" // MHillasSrc::Print(const MGeomCam&)
93#include "MImagePar.h" // MImagePar::Print(const MGeomCam&)
94#include "MNewImagePar.h" // MNewImagePar::Print(const MGeomCam&)
95#include "MHEvent.h" // MHEvent
96#include "MHCamera.h" // MHCamera
97#include "MRawEvtData.h" // MRawEvtData
98#include "MArrivalTimeCam.h" // MArrivalTimeCam
99#include "MBadPixelsCam.h" // MBadPixelsCam
100#include "MPedPhotCam.h" // MPedPhotCam
101#include "MCalibrationChargeCam.h" // MCalibrationChargeCam
102#include "MMcTriggerLvl2.h" // MMcTriggerLvl2
103
104using namespace std;
105
106ClassImp(MEventDisplay);
107
108// --------------------------------------------------------------------------
109//
110// Constructor.
111//
112MEventDisplay::MEventDisplay(const char *fname) : MStatusDisplay(), fEvtLoop(0)
113{
114 //
115 // Setup Task list for hillas calculation
116 //
117 SetupTaskList("Events", fname);
118
119 //
120 // Add MEventDisplay GUI elements to the display
121 //
122 AddUserFrame(fname);
123
124 //
125 // Show new part of the window, resize to correct aspect ratio
126 //
127 // FIXME: This should be done by MStatusDisplay automatically
128 Resize(GetWidth(), GetHeight() + fUserFrame->GetDefaultHeight());
129 SetWindowName("Event Display");
130 MapSubwindows();
131
132 //
133 // Readin first event and display it
134 //
135 if (fEvtLoop)
136 ReadFirstEvent();
137
138 SetNoContextMenu(kFALSE);
139}
140
141// --------------------------------------------------------------------------
142//
143// Destructor: PostProcess eventloop, delete eventloop with all containers
144//
145MEventDisplay::~MEventDisplay()
146{
147 if (fEvtLoop)
148 {
149 fEvtLoop->PostProcess();
150 delete fEvtLoop;
151 }
152}
153
154Int_t MEventDisplay::GetFileType(const char *tree, const char *fname) const
155{
156 TFile f(fname, "READ");
157 TTree *t = (TTree*)f.Get(tree);
158 if (!t)
159 return -1;
160
161 if (t->FindBranch("MSignalCam."))
162 return 1;
163
164 if (t->FindBranch("MRawEvtData."))
165 return 2;
166
167 return -2;
168}
169
170// --------------------------------------------------------------------------
171//
172// Setup Task and parameter list for hillas calculation,
173// preprocess tasks and read in first event (process)
174//
175void MEventDisplay::SetupTaskList(const char *tname, const char *fname)
176{
177// MCalibrationChargeCam *ccam=0;
178// MPedPhotCam *pcam=0;
179
180 MBadPixelsCam *badpix = new MBadPixelsCam;
181
182 const Int_t type = GetFileType(tname, fname);
183 switch (type)
184 {
185 case 1: gLog << all << "Calibrated Data File detected..." << endl; break;
186 case 2: gLog << all << "Raw Data File detected..." << endl; break;
187 case -2: gLog << err << "File type unknown... abort." << endl; return;
188 case -1: gLog << err << "Tree " << tname << " not found... abort." << endl; return;
189 }
190
191 //
192 // Setup an empty job, with a reader task only.
193 // All tasks and parameter containers are deleted automatically
194 // (via SetOwner())
195 //
196 MTaskList *tlist = new MTaskList;
197 tlist->SetOwner();
198
199 MReadMarsFile *read = new MReadMarsFile(tname, fname);
200 read->DisableAutoScheme();
201 tlist->AddToList(read);
202
203 MGeomApply *apl = new MGeomApply;
204 tlist->AddToList(apl);
205
206 MParList *plist = new MParList;
207 plist->SetOwner();
208 plist->AddToList(tlist);
209 plist->AddToList(badpix);
210
211 //MArrivalTime *atime = new MArrivalTime;
212 //plist->AddToList(atime);
213
214 MHEvent *evt01 = new MHEvent(MHEvent::kEvtSignalRaw);
215 MHEvent *evt02 = new MHEvent(MHEvent::kEvtSignalRaw);
216 MHEvent *evt03 = new MHEvent(type==1?MHEvent::kEvtPedPhot:MHEvent::kEvtPedestal);
217 MHEvent *evt04 = new MHEvent(type==1?MHEvent::kEvtPedPhotRMS:MHEvent::kEvtPedestalRMS);
218 MHEvent *evt06a= new MHEvent(MHEvent::kEvtCleaningData);
219 MHEvent *evt06b= new MHEvent(MHEvent::kEvtCleaningLevels);
220 MHEvent *evt07 = new MHEvent(MHEvent::kEvtIdxMax);
221 MHEvent *evt08 = new MHEvent(MHEvent::kEvtArrTime);
222 MHEvent *evt09 = new MHEvent(MHEvent::kEvtTrigPix);
223 MHEvent *evt10 = new MHEvent(MHEvent::kEvtIslandIndex);
224
225 evt01->SetName("Signal");
226 evt02->SetName("Cleaned");
227 evt03->SetName("Pedestal");
228 evt04->SetName("PedRMS");
229 evt06a->SetName("CleanData");
230 evt06b->SetName("CleanLevels");
231 evt07->SetName("Max Slice Idx");
232 evt08->SetName("Arrival Time");
233 evt09->SetName("Trigger");
234 evt10->SetName("Islands");
235
236 // This makes sure, that the containers are deleted...
237 plist->AddToList(evt01);
238 plist->AddToList(evt02);
239 plist->AddToList(evt03);
240 plist->AddToList(evt04);
241 plist->AddToList(evt06a);
242 plist->AddToList(evt06b);
243 plist->AddToList(evt07);
244 plist->AddToList(evt08);
245 plist->AddToList(evt09);
246 plist->AddToList(evt10);
247
248 MExtractTimeAndChargeDigitalFilter *digf = new MExtractTimeAndChargeDigitalFilter;
249 digf->ReadWeightsFile("msignal/MC_weights.dat");
250
251 MTaskEnv *taskenv1=new MTaskEnv("ExtractSignal");
252 taskenv1->SetDefault(digf);
253 taskenv1->SetOwner();
254
255 MSignalCalc *nanal = new MSignalCalc;
256 MFillH *fill01 = new MFillH(evt01, "MSignalCam", "MFillH01");
257 MImgCleanStd *clean = new MImgCleanStd;
258 MFillH *fill02 = new MFillH(evt02, "MSignalCam", "MFillH02");
259 MFillH *fill03 = new MFillH(evt03, type==1?"MPedPhotFundamental":"MPedestalCam", "MFillH03");
260 MFillH *fill04 = new MFillH(evt04, type==1?"MPedPhotFromExtractorRndm":"MPedestalCam", "MFillH04");
261 MFillH *fill06a= new MFillH(evt06a, "MCameraData", "MFillH06a");
262 MFillH *fill06b= new MFillH(evt06b, "MCameraData", "MFillH06b");
263 MHillasCalc *hcalc = new MHillasCalc;
264 MMcTriggerLvl2Calc *trcal = new MMcTriggerLvl2Calc;
265 MFillH *fill09 = new MFillH(evt09, "MMcTriggerLvl2", "MFillH09");
266 MFillH *fill10 = new MFillH(evt10, "MSignalCam", "MFillH10");
267
268 MBadPixelsCalc *bcalc = new MBadPixelsCalc;
269 MBadPixelsTreat *btreat = new MBadPixelsTreat;
270 btreat->SetProcessTimes(kFALSE);
271 if (type==1)
272 {
273 bcalc->SetNamePedPhotCam("MPedPhotFromExtractor");
274 btreat->AddNamePedPhotCam("MPedPhotFromExtractorRndm");
275 clean->SetNamePedPhotCam("MPedPhotFromExtractorRndm");
276 }
277
278 // If no pedestal or no calibration file is availble
279 if (type==2)
280 {
281 MFilter *f1=new MFDataMember("MRawRunHeader.fRunType", '>', 255.5);
282 f1->SetName("MFMonteCarlo");
283
284 MMcPedestalCopy *pcopy = new MMcPedestalCopy;
285 MMcPedestalNSBAdd *pdnsb = new MMcPedestalNSBAdd;
286
287 MMcCalibrationUpdate* mcupd = new MMcCalibrationUpdate;
288 mcupd->SetOuterPixelsGainScaling(kFALSE);
289
290 MCalibrateData* calib = new MCalibrateData;
291 calib->SetCalibrationMode(MCalibrateData::kFlatCharge);
292 calib->SetPedestalFlag(MCalibrateData::kEvent);
293
294 //MCalibrationRelTimeCalc *tcalc = new MCalibrationRelTimeCalc;
295
296 // MC
297 mcupd->SetFilter(f1);
298 trcal->SetFilter(f1);
299
300 // TaskList
301 tlist->AddToList(f1);
302 tlist->AddToList(pcopy);
303 tlist->AddToList(pdnsb);
304
305 tlist->AddToList(nanal); // Calculated MPedPhotCam
306 tlist->AddToList(taskenv1); // Calculates MExtractedSignalCam, MArrivalTimeCam
307 tlist->AddToList(mcupd);
308 tlist->AddToList(calib); // MExtractedSignalCam --> MSignalCam
309
310 tlist->AddToList(bcalc); // Produce MBadPixelsCam
311 tlist->AddToList(btreat); // Treat MBadPixelsCam
312 }
313
314 tlist->AddToList(fill01);
315 tlist->AddToList(clean);
316 tlist->AddToList(fill02);
317 tlist->AddToList(fill03);
318 tlist->AddToList(fill04);
319 tlist->AddToList(fill06a);
320 tlist->AddToList(fill06b);
321 tlist->AddToList(fill10);
322 if (type==2)
323 {
324 MFillH *fill07 = new MFillH(evt07, "MRawEvtData", "MFillH7");
325 MFillH *fill08 = new MFillH(evt08, "MArrivalTimeCam", "MFillH8");
326 tlist->AddToList(fill07);
327 tlist->AddToList(fill08);
328
329 tlist->AddToList(trcal);
330 tlist->AddToList(fill09);
331 }
332 if (type==1)
333 {
334 MFillH *fill08 = new MFillH(evt08, "MSignalCam", "MFillH8");
335 tlist->AddToList(fill08);
336 }
337 tlist->AddToList(hcalc);
338
339 //
340 // Now distribute Display to all tasks
341 //
342 fEvtLoop = new MEvtLoop(Form("Mars %s", gSystem->BaseName(fname)));
343 fEvtLoop->SetOwner();
344 fEvtLoop->SetParList(plist);
345 fEvtLoop->SetDisplay(this);
346 fEvtLoop->ReadEnv("mars.rc");
347
348}
349
350// --------------------------------------------------------------------------
351//
352// Add the top part of the frame: This is filename and treename display
353//
354void MEventDisplay::AddTopFramePart1(TGCompositeFrame *frame,
355 const char *filename,
356 const char *treename)
357{
358 //
359 // --- the top1 part of the window ---
360 //
361 TGHorizontalFrame *top1 = new TGHorizontalFrame(frame, 1, 1);
362 fList->Add(top1);
363
364 //
365 // create gui elements
366 //
367 TGLabel *file = new TGLabel(top1, new TGString(Form("%s#%s", filename, treename)));
368 fList->Add(file);
369
370 //
371 // layout and add gui elements in/to frame
372 //
373 TGLayoutHints *laystd = new TGLayoutHints(kLHintsCenterX, 5, 5);
374 fList->Add(laystd);
375
376 top1->AddFrame(file, laystd);
377
378 //
379 // --- the top1 part of the window ---
380 //
381 TGHorizontalFrame *top2 = new TGHorizontalFrame(frame, 1, 1);
382 fList->Add(top2);
383
384 //
385 // layout and add frames
386 //
387 TGLayoutHints *laytop1 = new TGLayoutHints(kLHintsCenterX, 5, 5, 5);
388 fList->Add(laytop1);
389 frame->AddFrame(top1, laytop1);
390 frame->AddFrame(top2, laytop1);
391}
392
393// --------------------------------------------------------------------------
394//
395// Add the second part of the top frame: This are the event number controls
396//
397void MEventDisplay::AddTopFramePart2(TGCompositeFrame *frame)
398{
399 //
400 // --- the top2 part of the window ---
401 //
402 TGHorizontalFrame *top2 = new TGHorizontalFrame(frame, 1, 1);
403 fList->Add(top2);
404
405 //
406 // Create the gui elements
407 //
408 TGTextButton *prevevt = new TGTextButton(top2, " << ", kEvtPrev);
409 prevevt->Associate(this);
410
411 TGLabel *evtnr = new TGLabel(top2, new TGString("Event:"));
412
413 TGTextEntry *entry=new TGTextEntry(top2, new TGTextBuffer(100), kEvtNumber);
414 entry->Resize(60, entry->GetDefaultHeight());
415 entry->Associate(this);
416
417 fNumOfEvts = new TGLabel(top2, "of .");
418
419 TGTextButton *nextevt = new TGTextButton (top2, " >> ", kEvtNext);
420 nextevt->Associate(this);
421
422 //
423 // Add gui elements to 'atotodel'
424 //
425 fList->Add(prevevt);
426 fList->Add(evtnr);
427 fList->Add(entry);
428 fList->Add(fNumOfEvts);
429 fList->Add(nextevt);
430
431 //
432 // add the gui elements to the frame
433 //
434 TGLayoutHints *laystd = new TGLayoutHints(kLHintsLeft|kLHintsCenterY, 5, 5);
435 fList->Add(laystd);
436
437 top2->AddFrame(prevevt, laystd);
438 top2->AddFrame(evtnr, laystd);
439 top2->AddFrame(entry, laystd);
440 top2->AddFrame(fNumOfEvts, laystd);
441 top2->AddFrame(nextevt, laystd);
442
443 TGLayoutHints *laystd2 = new TGLayoutHints(kLHintsCenterX, 5, 5, 5, 5);
444 fList->Add(laystd2);
445 frame->AddFrame(top2, laystd2);
446
447 //
448 // Add trailing line...
449 //
450 TGHorizontal3DLine *line = new TGHorizontal3DLine(frame);
451 TGLayoutHints *layline = new TGLayoutHints(kLHintsExpandX);
452 fList->Add(line);
453 fList->Add(layline);
454 frame->AddFrame(line, layline);
455}
456
457// --------------------------------------------------------------------------
458//
459// Add the user frame part of the display
460//
461void MEventDisplay::AddUserFrame(const char* filename)
462{
463 fUserFrame->ChangeOptions(kHorizontalFrame);
464
465 TGCompositeFrame *vf1 = new TGVerticalFrame(fUserFrame, 1, 1);
466 TGCompositeFrame *vf2 = new TGVerticalFrame(fUserFrame, 1, 1);
467
468 AddTopFramePart1(vf1, filename, "Events");
469 AddTopFramePart2(vf1);
470
471 // create root embedded canvas and add it to the tab
472 TRootEmbeddedCanvas *ec = new TRootEmbeddedCanvas("Slices", vf2, vf1->GetDefaultHeight()*3/2, vf1->GetDefaultHeight(), 0);
473 vf2->AddFrame(ec);
474 fList->Add(ec);
475
476 // set background and border mode of the canvas
477 fCanvas = ec->GetCanvas();
478 fCanvas->SetBorderMode(0);
479 gROOT->GetListOfCanvases()->Add(fCanvas);
480 //fCanvas->SetBorderSize(1);
481 //fCanvas->SetBit(kNoContextMenu);
482 //fCanvas->SetFillColor(16);
483
484 TGLayoutHints *lay = new TGLayoutHints(kLHintsExpandX);
485 fUserFrame->AddFrame(vf1, lay);
486 fUserFrame->AddFrame(vf2);
487}
488
489// --------------------------------------------------------------------------
490//
491// Checks if the event number is valid, and if so reads the new event
492// and updates the display
493//
494void MEventDisplay::ReadinEvent(Int_t dir)
495{
496 MParList *plist = (MParList*) fEvtLoop->GetParList();
497 MTaskList *tlist = (MTaskList*) fEvtLoop->GetTaskList();
498 MGeomCam *geom = (MGeomCam*) plist->FindObject("MGeomCam");
499 MRawEvtData *raw = (MRawEvtData*)plist->FindObject("MRawEvtData");
500
501 //
502 // Read first event.
503 //
504 MReadTree *reader = (MReadTree*)fEvtLoop->FindTask("MRead");
505
506 const Int_t num = reader->GetNumEntry();
507
508 do
509 {
510 if (dir<0 && !reader->DecEventNum())
511 {
512 reader->SetEventNum(num);
513 return;
514 }
515 if (dir>0 && !reader->IncEventNum())
516 {
517 reader->SetEventNum(num);
518 return;
519 }
520
521 const Int_t rc = tlist->Process();
522 if (rc==kFALSE || rc==kERROR)
523 return;
524
525 reader->DecEventNum();
526
527 } while (raw && raw->GetNumPixels()<1 && dir!=0);
528
529 //
530 // Cleare the 'FADC canvas'
531 //
532 fCanvas->Clear();
533 fCanvas->Modified();
534 fCanvas->Update();
535
536 //
537 // Print parameters
538 //
539 ((MHillas*) plist->FindObject("MHillas"))->Print(*geom);
540 ((MHillasExt*) plist->FindObject("MHillasExt"))->Print(*geom);
541 ((MHillasSrc*) plist->FindObject("MHillasSrc"))->Print(*geom);
542 plist->FindObject("MImagePar")->Print();
543 ((MNewImagePar*)plist->FindObject("MNewImagePar"))->Print(*geom);
544
545 //
546 // UpdateDisplay
547 //
548 gStyle->SetOptStat(1101);
549 Update();
550
551 TGTextEntry *entry = (TGTextEntry*)fList->FindWidget(kEvtNumber);
552 entry->SetText(Form("%d", reader->GetNumEntry()+1));
553}
554
555// --------------------------------------------------------------------------
556//
557// Read first event to get display booted
558//
559void MEventDisplay::ReadFirstEvent()
560{
561 const Int_t rc = fEvtLoop->PreProcess();
562 if (rc==kFALSE || rc==kERROR)
563 return;
564
565 UnLock();
566
567 //
568 // Get parlist
569 //
570 MParList *plist = (MParList*)fEvtLoop->GetParList();
571
572 //
573 // Add Geometry tab
574 //
575 AddGeometryTabs();
576
577 //
578 // Now read event...
579 //
580 ReadinEvent();
581
582 MReadTree *reader = (MReadTree*)fEvtLoop->FindTask("MRead");
583 TGString *txt = new TGString(Form("of %d", reader->GetEntries()));
584 fNumOfEvts->SetText(txt);
585
586 //
587 // Draw ellipse on top of all pads
588 //
589 TObject *hillas1 = plist->FindObject("MHillas");
590 TObject *hillas2 = plist->FindObject("MHillasSrc");
591 for (int i=1; i<7;i++)
592 {
593 TCanvas *c = GetCanvas(i);
594 c->GetPad(1)->cd(1);
595 hillas1->Draw();
596 hillas2->Draw();
597 }
598}
599
600// --------------------------------------------------------------------------
601//
602// Adds the geometry tab
603//
604void MEventDisplay::AddGeometryTabs()
605{
606 MGeomCam *geom = (MGeomCam*)fEvtLoop->GetParList()->FindObject("MGeomCam");
607 if (!geom)
608 return;
609
610 TCanvas &c1=AddTab("Geometry");
611
612 MHCamera *cam = new MHCamera(*geom);
613 cam->SetBit(TH1::kNoStats|MHCamera::kNoLegend|kCanDelete);
614 cam->Draw("pixelindex");
615
616 c1.Modified();
617 c1.Update();
618
619 TCanvas &c2=AddTab("Sectors");
620
621 cam = new MHCamera(*geom);
622 cam->SetBit(TH1::kNoStats|MHCamera::kNoLegend|kCanDelete);
623 cam->Draw("sectorindex");
624
625 c2.Modified();
626 c2.Update();
627}
628
629// --------------------------------------------------------------------------
630//
631// ProcessMessage(Long_t msg, Long_t parm1, Long_t parm2)
632//
633// Processes information from all GUI items.
634// Selecting an item usually generates an event with 4 parameters.
635// The first two are packed into msg (first and second bytes).
636// The other two are parm1 and parm2.
637//
638Bool_t MEventDisplay::ProcessMessage(Long_t msg, Long_t mp1, Long_t mp2)
639{
640 switch (GET_MSG(msg))
641 {
642 case kC_TEXTENTRY:
643 switch(GET_SUBMSG(msg))
644 {
645 case kTE_ENTER:
646 switch(GET_SUBMSG(msg))
647 {
648 case kTE_ENTER:
649 {
650 TGTextEntry *entry = (TGTextEntry*)fList->FindWidget(kEvtNumber);
651 MReadTree *reader = (MReadTree*)fEvtLoop->FindTask("MRead");
652 if (reader->SetEventNum(atoi(entry->GetText())-1))
653 ReadinEvent();
654 }
655 return kTRUE;
656 }
657 return kTRUE;
658 }
659 break;
660
661 case kC_COMMAND:
662 switch (GET_SUBMSG(msg))
663 {
664 case kCM_TAB:
665 {
666 //
667 // Set name for 'FADC canvas'. The name is the anchor for MHCamera.
668 // and clear the canvas
669 TCanvas *c = GetCanvas(mp1);
670 if (!c)
671 break;
672 MHEvent *o = (MHEvent*)fEvtLoop->GetParList()->FindObject(c->GetName());
673 if (!o)
674 break;
675 fCanvas->SetName(Form("%p;%p;PixelContent", o->GetHist(), c->GetPad(1)->GetPad(1)));
676 }
677 break;
678
679 case kCM_BUTTON:
680 switch (mp1)
681 {
682 case kEvtPrev:
683 ReadinEvent(-1);
684 return kTRUE;
685
686 case kEvtNext:
687 ReadinEvent(+1);
688 return kTRUE;
689 }
690 return kTRUE;
691 }
692 break;
693 }
694
695 return MStatusDisplay::ProcessMessage(msg, mp1, mp2);
696}
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