source: tags/Mars-V0.9.3/mhcalib/MHCalibrationHiLoCam.cc

Last change on this file was 7095, checked in by tbretz, 20 years ago
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1
2/* ======================================================================== *\
3!
4! *
5! * This file is part of MARS, the MAGIC Analysis and Reconstruction
6! * Software. It is distributed to you in the hope that it can be a useful
7! * and timesaving tool in analysing Data of imaging Cerenkov telescopes.
8! * It is distributed WITHOUT ANY WARRANTY.
9! *
10! * Permission to use, copy, modify and distribute this software and its
11! * documentation for any purpose is hereby granted without fee,
12! * provided that the above copyright notice appear in all copies and
13! * that both that copyright notice and this permission notice appear
14! * in supporting documentation. It is provided "as is" without express
15! * or implied warranty.
16! *
17!
18!
19! Author(s): Markus Gaug 02/2004 <mailto:markus@ifae.es>
20!
21! Copyright: MAGIC Software Development, 2000-2004
22!
23!
24\* ======================================================================== */
25/////////////////////////////////////////////////////////////////////////////
26//
27// MHCalibrationHiLoCam
28//
29// Fills the extracted high-gain low-gain charge ratios of MArrivalTimeCam into
30// the MHCalibrationPix-classes MHCalibrationPix for every:
31//
32// - Pixel, stored in the TObjArray's MHCalibrationCam::fHiGainArray
33// or MHCalibrationCam::fHiGainArray, respectively, depending if
34// MArrivalTimePix::IsLoGainUsed() is set.
35//
36// - Average pixel per AREA index (e.g. inner and outer for the MAGIC camera),
37// stored in the TObjArray's MHCalibrationCam::fAverageHiGainAreas and
38// MHCalibrationCam::fAverageHiGainAreas
39//
40// - Average pixel per camera SECTOR (e.g. sectors 1-6 for the MAGIC camera),
41// stored in the TObjArray's MHCalibrationCam::fAverageHiGainSectors
42// and MHCalibrationCam::fAverageHiGainSectors
43//
44// The histograms are fitted to a Gaussian, mean and sigma with its errors
45// and the fit probability are extracted. If none of these values are NaN's and
46// if the probability is bigger than MHGausEvents::fProbLimit (default: 0.5%),
47// the fit is declared valid.
48// Otherwise, the fit is repeated within ranges of the previous mean
49// +- MHCalibrationPix::fPickupLimit (default: 5) sigma (see MHCalibrationPix::RepeatFit())
50// In case this does not make the fit valid, the histogram means and RMS's are
51// taken directly (see MHCalibrationPix::BypassFit()) and the following flags are set:
52// - MBadPixelsPix::SetUncalibrated( MBadPixelsPix::kHiLoNotFitted ) and
53// - MBadPixelsPix::SetUnsuitable( MBadPixelsPix::kUnreliableRun )
54//
55// Outliers of more than MHCalibrationPix::fPickupLimit (default: 5) sigmas
56// from the mean are counted as Pickup events (stored in MHCalibrationPix::fPickup)
57//
58// The class also fills arrays with the signal vs. event number, creates a fourier
59// spectrum (see MHGausEvents::CreateFourierSpectrum()) and investigates if the
60// projected fourier components follow an exponential distribution.
61// In case that the probability of the exponential fit is less than
62// MHGausEvents::fProbLimit (default: 0.5%), the following flags are set:
63// - MBadPixelsPix::SetUncalibrated( MBadPixelsPix::kHiLoOscillating ) and
64// - MBadPixelsPix::SetUnsuitable( MBadPixelsPix::kUnreliableRun )
65//
66// This same procedure is performed for the average pixels.
67//
68// The following results are written into MCalibrationHiLoCam:
69//
70// - MCalibrationPix::SetMean()
71// - MCalibrationPix::SetMeanErr()
72// - MCalibrationPix::SetSigma()
73// - MCalibrationPix::SetSigmaErr()
74// - MCalibrationPix::SetProb()
75// - MCalibrationPix::SetNumPickup()
76//
77// For all averaged areas, the fitted sigma is multiplied with the square root of
78// the number involved pixels in order to be able to compare it to the average of
79// sigmas in the camera.
80//
81/////////////////////////////////////////////////////////////////////////////
82#include "MHCalibrationHiLoCam.h"
83#include "MHCalibrationPix.h"
84
85#include "MLog.h"
86#include "MLogManip.h"
87
88#include "MParList.h"
89
90#include "MCalibrationHiLoCam.h"
91#include "MCalibrationCam.h"
92#include "MCalibrationPix.h"
93
94#include "MExtractedSignalCam.h"
95#include "MExtractedSignalPix.h"
96#include "MArrivalTimeCam.h"
97#include "MArrivalTimePix.h"
98
99#include "MGeomCam.h"
100#include "MGeomPix.h"
101
102#include "MBadPixelsIntensityCam.h"
103#include "MBadPixelsCam.h"
104#include "MBadPixelsPix.h"
105
106#include <TOrdCollection.h>
107#include <TPad.h>
108#include <TVirtualPad.h>
109#include <TCanvas.h>
110#include <TStyle.h>
111#include <TF1.h>
112#include <TLine.h>
113#include <TLatex.h>
114#include <TLegend.h>
115#include <TGraph.h>
116
117ClassImp(MHCalibrationHiLoCam);
118
119using namespace std;
120
121const Int_t MHCalibrationHiLoCam::fgNbins = 175;
122const Axis_t MHCalibrationHiLoCam::fgFirst = -5.1;
123const Axis_t MHCalibrationHiLoCam::fgLast = 29.9;
124const Float_t MHCalibrationHiLoCam::fgProbLimit = 0.;
125const TString MHCalibrationHiLoCam::gsHistName = "HiLo";
126const TString MHCalibrationHiLoCam::gsHistTitle = "HiGain vs. LoGain";
127const TString MHCalibrationHiLoCam::gsHistXTitle = "Amplification Ratio [1]";
128const TString MHCalibrationHiLoCam::gsHistYTitle = "Nr. events";
129
130// --------------------------------------------------------------------------
131//
132// Default Constructor.
133//
134// Sets:
135// - fNbins to fgNbins
136// - fFirst to fgFirst
137// - fLast to fgLast
138//
139// - fHistName to gsHistName
140// - fHistTitle to gsHistTitle
141// - fHistXTitle to gsHistXTitle
142// - fHistYTitle to gsHistYTitle
143//
144// - fLowerLimt to fgLowerLim
145// - fUpperLimt to fgUpperLim
146//
147MHCalibrationHiLoCam::MHCalibrationHiLoCam(const char *name, const char *title)
148 : fArrTimes(NULL)
149{
150
151 fName = name ? name : "MHCalibrationHiLoCam";
152 fTitle = title ? title : "Histogram class for the high-gain vs. low-gain amplification ratio calibration";
153
154 SetNbins(fgNbins);
155 SetFirst(fgFirst);
156 SetLast (fgLast );
157
158 SetProbLimit(fgProbLimit);
159
160 SetHistName (gsHistName .Data());
161 SetHistTitle (gsHistTitle .Data());
162 SetHistXTitle(gsHistXTitle.Data());
163 SetHistYTitle(gsHistYTitle.Data());
164
165 SetOscillations(kFALSE);
166}
167
168// --------------------------------------------------------------------------
169//
170// Creates new MHCalibrationHiLoCam only with the averaged areas:
171// the rest has to be retrieved directly, e.g. via:
172// MHCalibrationHiLoCam *cam = MParList::FindObject("MHCalibrationHiLoCam");
173// - cam->GetAverageSector(5).DrawClone();
174// - (*cam)[100].DrawClone()
175//
176TObject *MHCalibrationHiLoCam::Clone(const char *) const
177{
178
179 MHCalibrationHiLoCam *cam = new MHCalibrationHiLoCam();
180
181 //
182 // Copy the data members
183 //
184 cam->fColor = fColor;
185 cam->fRunNumbers = fRunNumbers;
186 cam->fPulserFrequency = fPulserFrequency;
187 cam->fFlags = fFlags;
188 cam->fNbins = fNbins;
189 cam->fFirst = fFirst;
190 cam->fLast = fLast;
191
192 //
193 // Copy the MArrays
194 //
195 cam->fAverageAreaRelSigma = fAverageAreaRelSigma;
196 cam->fAverageAreaRelSigmaVar = fAverageAreaRelSigmaVar;
197 cam->fAverageAreaSat = fAverageAreaSat;
198 cam->fAverageAreaSigma = fAverageAreaSigma;
199 cam->fAverageAreaSigmaVar = fAverageAreaSigmaVar;
200 cam->fAverageAreaNum = fAverageAreaNum;
201 cam->fAverageSectorNum = fAverageSectorNum;
202
203 if (!IsAverageing())
204 return cam;
205
206 const Int_t navhi = fAverageHiGainAreas->GetSize();
207 const Int_t navlo = fAverageLoGainAreas->GetSize();
208
209 for (int i=0; i<navhi; i++)
210 cam->fAverageHiGainAreas->AddAt(GetAverageHiGainArea(i).Clone(),i);
211
212 for (int i=0; i<navlo; i++)
213 cam->fAverageLoGainAreas->AddAt(GetAverageLoGainArea(i).Clone(),i);
214
215 return cam;
216}
217
218// --------------------------------------------------------------------------
219//
220// Gets or creates the pointers to:
221// - MCalibrationHiLoCam
222//
223// Searches pointer to:
224// - MExtractedSignalCam
225// - MArrivalTimeCam
226//
227// Calls:
228// - MHCalibrationCam::InitHiGainArrays()
229// - MHCalibrationCam::InitLoGainArrays()
230//
231// Sets:
232// - fSumarea to nareas
233// - fSumsector to nareas
234// - fNumarea to nareas
235// - fNumsector to nareas
236//
237Bool_t MHCalibrationHiLoCam::ReInitHists(MParList *pList)
238{
239
240 fCam = (MCalibrationCam*)pList->FindObject(AddSerialNumber("MCalibrationHiLoCam"));
241 if (!fCam)
242 {
243 fCam = (MCalibrationCam*)pList->FindCreateObj(AddSerialNumber("MCalibrationHiLoCam"));
244 if (!fCam)
245 return kFALSE;
246 fCam->Init(*fGeom);
247 }
248
249 MExtractedSignalCam *signal = (MExtractedSignalCam*)pList->FindObject("MExtractedSignalCam");
250 if (!signal)
251 {
252 *fLog << err << "MExtractedSignalCam not found... abort." << endl;
253 return kFALSE;
254 }
255
256 fArrTimes = (MArrivalTimeCam*)pList->FindObject("MArrivalTimeCam");
257 if (!fArrTimes)
258 {
259 *fLog << warn << "MArrivalTimeCam not found... cannot calibrated arrival times between "
260 <<"high and low-gain" << endl;
261 SetLoGain(kFALSE);
262 }
263
264 const Int_t npixels = fGeom->GetNumPixels();
265 const Int_t nsectors = fGeom->GetNumSectors();
266 const Int_t nareas = fGeom->GetNumAreas();
267
268 InitHiGainArrays(npixels,nareas,nsectors);
269 InitLoGainArrays(npixels,nareas,nsectors);
270
271 fSumareahi .Set(nareas);
272 fSumsectorhi.Set(nsectors);
273 fNumareahi .Set(nareas);
274 fNumsectorhi.Set(nsectors);
275 if (IsLoGain())
276 {
277 fSumarealo .Set(nareas);
278 fSumsectorlo.Set(nsectors);
279 fNumarealo .Set(nareas);
280 fNumsectorlo.Set(nsectors);
281 }
282 return kTRUE;
283}
284
285// -------------------------------------------------------------------------------
286//
287// Retrieves pointer to MExtractedSignalCam:
288//
289// Retrieves from MGeomCam:
290// - number of pixels
291// - number of pixel areas
292// - number of sectors
293//
294// Fills histograms (MHGausEvents::FillHistAndArray()) with:
295// - MExtractedSignalPix::GetExtractedSignalHiGain(pixid) / MExtractedSignalPix::GetExtractedSignalLoGain;
296// if the high-gain signal does not show high-gain saturation, but the low-gain
297// has been extracted.
298// - MArrivalTimePix::GetArrivalTimeHiGain(pixid) / MArrivalTimePix::GetArrivalTimeLoGain;
299// if the high-gain signal does not show high-gain saturation, but the low-gain
300// has been extracted.
301//
302Bool_t MHCalibrationHiLoCam::FillHists(const MParContainer *par, const Stat_t w)
303{
304
305 MExtractedSignalCam *signal = (MExtractedSignalCam*)par;
306 if (!signal)
307 {
308 gLog << err << "No argument in MExtractedSignal::Fill... abort." << endl;
309 return kFALSE;
310 }
311
312 const Int_t npixels = fGeom->GetNumPixels();
313 const Int_t nareas = fGeom->GetNumAreas();
314 const Int_t nsectors = fGeom->GetNumSectors();
315
316 fSumareahi .Reset();
317 fSumsectorhi.Reset();
318 fNumareahi .Reset();
319 fNumsectorhi.Reset();
320 fSumarealo .Reset();
321 fSumsectorlo.Reset();
322 fNumarealo .Reset();
323 fNumsectorlo.Reset();
324
325 for (Int_t i=0; i<npixels; i++)
326 {
327 const MExtractedSignalPix &pix = (*signal)[i];
328 const Int_t aidx = (*fGeom)[i].GetAidx();
329 const Int_t sector = (*fGeom)[i].GetSector();
330
331 const Float_t siglo = pix.GetExtractedSignalLoGain();
332
333 //
334 // Skip all pixels with:
335 // - Saturated high-gain
336 // - Not extracted low-gain
337 // (see MExtractTimeAndCharge::fLoGainSwitch for setting the criteria)
338 //
339 if (siglo < 0.5 || pix.GetNumHiGainSaturated() > 0)
340 continue;
341
342 const Float_t sighi = pix.GetExtractedSignalHiGain();
343 const Float_t ratio = sighi / siglo;
344
345 MHCalibrationPix &histhi = (*this)[i];
346
347 histhi.FillHist(ratio);
348 fSumareahi [aidx] += ratio;
349 fNumareahi [aidx] ++;
350 fSumsectorhi[sector] += ratio;
351 fNumsectorhi[sector] ++;
352
353 if (IsLoGain())
354 {
355 const MArrivalTimePix &tix = (*fArrTimes)[i];
356 MHCalibrationPix &histlo = (*this)(i);
357
358 const Float_t diff = tix.GetArrivalTimeLoGain() - tix.GetArrivalTimeHiGain();
359
360 histlo.FillHist(diff);
361 fSumarealo [aidx] += diff;
362 fNumarealo [aidx] ++;
363 fSumsectorlo[sector] += diff;
364 fNumsectorlo[sector] ++;
365 }
366 }
367
368 if (!IsAverageing())
369 return kTRUE;
370
371 for (Int_t j=0; j<nareas; j++)
372 {
373 MHCalibrationPix &histhi = GetAverageHiGainArea(j);
374 if (IsOscillations())
375 histhi.FillHistAndArray(fNumareahi[j] == 0 ? 0. : fSumareahi[j]/fNumareahi[j]);
376 else
377 histhi.FillHist(fNumareahi[j] == 0 ? 0. : fSumareahi[j]/fNumareahi[j]);
378
379 if (IsLoGain())
380 {
381 MHCalibrationPix &histlo = GetAverageLoGainArea(j);
382 if (IsOscillations())
383 histlo.FillHistAndArray(fNumarealo[j] == 0 ? 0. : fSumarealo[j]/fNumarealo[j]);
384 else
385 histlo.FillHist(fNumarealo[j] == 0 ? 0. : fSumarealo[j]/fNumarealo[j]);
386 }
387 }
388
389 for (Int_t j=0; j<nsectors; j++)
390 {
391 MHCalibrationPix &hist = GetAverageHiGainSector(j);
392 if (IsOscillations())
393 hist.FillHistAndArray(fNumsectorhi[j] == 0 ? 0. : fSumsectorhi[j]/fNumsectorhi[j]);
394 else
395 hist.FillHist(fNumsectorhi[j] == 0 ? 0. : fSumsectorhi[j]/fNumsectorhi[j]);
396
397 if (IsLoGain())
398 {
399 MHCalibrationPix &histlo = GetAverageLoGainSector(j);
400 if (IsOscillations())
401 histlo.FillHistAndArray(fNumsectorlo[j] == 0 ? 0. : fSumsectorlo[j]/fNumsectorlo[j]);
402 else
403 histlo.FillHist(fNumsectorlo[j] == 0 ? 0. : fSumsectorlo[j]/fNumsectorlo[j]);
404 }
405 }
406
407 return kTRUE;
408}
409
410// --------------------------------------------------------------------------
411//
412// Calls:
413// - MHCalibrationCam::FitHiGainArrays() with flags:
414// MBadPixelsPix::kHiLoNotFitted and MBadPixelsPix::kHiLoOscillating
415// - MHCalibrationCam::FitLoGainArrays() with flags:
416// MBadPixelsPix::kHiLoNotFitted and MBadPixelsPix::kHiLoOscillating
417//
418Bool_t MHCalibrationHiLoCam::FinalizeHists()
419{
420
421 *fLog << endl;
422
423 MCalibrationCam *hilocam = fCam;
424 MBadPixelsCam *badcam = fIntensBad ? fIntensBad->GetCam() : fBadPixels;
425
426 const Int_t nareas = fAverageHiGainAreas->GetSize();
427 const Int_t nsectors = fAverageHiGainSectors->GetSize();
428
429 for (Int_t i=0; i<fHiGainArray->GetSize(); i++)
430 {
431
432 MHCalibrationPix &hist = (*this)[i];
433
434 if (hist.IsExcluded())
435 continue;
436
437 CheckOverflow(hist);
438 }
439
440 //
441 // Check histogram overflow
442 //
443 if (IsAverageing())
444 {
445 for (Int_t j=0; j<nareas; j++)
446 CheckOverflow(GetAverageHiGainArea(j));
447
448 for (Int_t j=0; j<fAverageHiGainSectors->GetSize(); j++)
449 CheckOverflow(GetAverageHiGainSector(j));
450 }
451
452
453 FitHiGainArrays(*hilocam,*badcam,
454 MBadPixelsPix::kHiLoNotFitted,
455 MBadPixelsPix::kHiLoOscillating);
456
457 if (!IsLoGain())
458 return kTRUE;
459
460 for (Int_t i=0; i<fLoGainArray->GetSize(); i++)
461 {
462
463 MHCalibrationPix &hist = (*this)(i);
464
465 if (hist.IsExcluded())
466 continue;
467
468 CheckOverflow(hist);
469 }
470
471 if (IsAverageing())
472 {
473 for (Int_t j=0; j<nareas; j++)
474 CheckOverflow(GetAverageLoGainArea(j));
475
476 for (Int_t j=0; j<nsectors; j++)
477 CheckOverflow(GetAverageLoGainSector(j));
478 }
479
480 FitLoGainArrays(*hilocam,*badcam,
481 MBadPixelsPix::kHiLoNotFitted,
482 MBadPixelsPix::kHiLoOscillating);
483
484 return kTRUE;
485}
486
487// --------------------------------------------------------------------------
488//
489// Sets all pixels to MBadPixelsPix::kUnreliableRun, if following flags are set:
490// - MBadPixelsPix::kHiLoNotFitted
491// - MBadPixelsPix::kHiLoOscillating
492//
493void MHCalibrationHiLoCam::FinalizeBadPixels()
494{
495
496 MBadPixelsCam *badcam = fIntensBad ? fIntensBad->GetCam() : fBadPixels;
497
498 for (Int_t i=0; i<badcam->GetSize(); i++)
499 {
500 MBadPixelsPix &bad = (*badcam)[i];
501
502 if (bad.IsUncalibrated( MBadPixelsPix::kHiLoNotFitted ))
503 bad.SetUnsuitable( MBadPixelsPix::kUnreliableRun );
504
505 if (bad.IsUncalibrated( MBadPixelsPix::kHiLoOscillating))
506 bad.SetUnsuitable( MBadPixelsPix::kUnreliableRun );
507
508 }
509}
510
511// --------------------------------------------------------------------------
512//
513// The types are as follows:
514//
515// Fitted values:
516// ==============
517//
518// 0: Fitted Mean High-Gain Low-Gain Charge Ratio in FADC slices (MHGausEvents::GetMean()
519// 1: Error Mean High-Gain Low-Gain Charge Ratio in FADC slices (MHGausEvents::GetMeanErr()
520// 2: Sigma fitted High-Gain Low-Gain Charge Ratio in FADC slices (MHGausEvents::GetSigma()
521// 3: Error Sigma High-Gain Low-Gain Charge Ratio in FADC slices (MHGausEvents::GetSigmaErr()
522//
523// Useful variables derived from the fit results:
524// =============================================
525//
526// 4: Returned probability of Gauss fit (calls: MHGausEvents::GetProb())
527//
528// Localized defects:
529// ==================
530//
531// 5: Gaus fit not OK (calls: MHGausEvents::IsGausFitOK())
532// 6: Fourier spectrum not OK (calls: MHGausEvents::IsFourierSpectrumOK())
533//
534Bool_t MHCalibrationHiLoCam::GetPixelContent(Double_t &val, Int_t idx, const MGeomCam &cam, Int_t type) const
535{
536
537 if (fHiGainArray->GetSize() <= idx)
538 return kFALSE;
539
540 const MHCalibrationPix &pixhi = (*this)[idx];
541 const MHCalibrationPix &pixlo = (*this)(idx);
542
543 switch (type)
544 {
545 case 0:
546 val = pixhi.GetMean();
547 break;
548 case 1:
549 val = pixhi.GetMeanErr();
550 break;
551 case 2:
552 val = pixhi.GetSigma();
553 break;
554 case 3:
555 val = pixhi.GetSigmaErr();
556 break;
557 case 4:
558 val = pixhi.GetProb();
559 break;
560 case 5:
561 if (!pixhi.IsGausFitOK())
562 val = 1.;
563 break;
564 case 6:
565 if (!pixhi.IsFourierSpectrumOK())
566 val = 1.;
567 break;
568 case 7:
569 if (!IsLoGain())
570 break;
571 val = pixlo.GetMean();
572 break;
573 case 8:
574 if (!IsLoGain())
575 break;
576 val = pixlo.GetMeanErr();
577 break;
578 case 9:
579 if (!IsLoGain())
580 break;
581 val = pixlo.GetSigma();
582 break;
583 case 10:
584 if (!IsLoGain())
585 break;
586 val = pixlo.GetSigmaErr();
587 break;
588 case 11:
589 if (!IsLoGain())
590 break;
591 val = pixlo.GetProb();
592 break;
593 case 12:
594 if (!IsLoGain())
595 break;
596 if (!pixlo.IsGausFitOK())
597 val = 1.;
598 break;
599 case 13:
600 if (!IsLoGain())
601 break;
602 if (!pixlo.IsFourierSpectrumOK())
603 val = 1.;
604 break;
605 default:
606 return kFALSE;
607 }
608 return kTRUE;
609}
610
611// --------------------------------------------------------------------------
612//
613// Calls MHCalibrationPix::DrawClone() for pixel idx
614//
615void MHCalibrationHiLoCam::DrawPixelContent(Int_t idx) const
616{
617 (*this)[idx].DrawClone();
618}
619
620void MHCalibrationHiLoCam::CheckOverflow( MHCalibrationPix &pix )
621{
622
623 if (pix.IsExcluded())
624 return;
625
626 TH1F *hist = pix.GetHGausHist();
627
628 Stat_t overflow = hist->GetBinContent(hist->GetNbinsX()+1);
629 if (overflow > fOverflowLimit*hist->GetEntries())
630 {
631 *fLog << warn << "Hist-overflow " << overflow
632 << " times in " << pix.GetName() << endl;
633 }
634
635 overflow = hist->GetBinContent(0);
636 if (overflow > fOverflowLimit*hist->GetEntries())
637 {
638 *fLog << warn << "Hist-underflow " << overflow
639 << " times in " << pix.GetName() << endl;
640 }
641}
642
643// -----------------------------------------------------------------------------
644//
645// Default draw:
646//
647// Displays the averaged areas, both amplification ratio as time difference
648//
649void MHCalibrationHiLoCam::Draw(const Option_t *opt)
650{
651
652 if (!IsAverageing())
653 return;
654
655 const Int_t nareas = fAverageHiGainAreas->GetSize();
656 if (nareas == 0)
657 return;
658
659 TVirtualPad *pad = gPad ? gPad : MH::MakeDefCanvas(this);
660 pad->SetBorderMode(0);
661
662 pad->Divide(IsLoGain() ? 2 : 1,nareas);
663
664 for (Int_t i=0; i<nareas;i++)
665 {
666
667 pad->cd(IsLoGain() ? 2*(i+1)-1 : i+1);
668
669 GetAverageHiGainArea(i).Draw(opt);
670
671 if (IsLoGain())
672 {
673 pad->cd(2*(i+1));
674
675 TH1F *hist = GetAverageLoGainArea(i).GetHGausHist();
676 hist->SetXTitle("Extracted Time Difference [FADC sl.]");
677 GetAverageLoGainArea(i).Draw(opt);
678 }
679 }
680}
681
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