[u/mrichter/AliRoot.git] / PHOS / AliPHOSPulseGenerator.cxx

/**************************************************************************
 * Copyright(c) 2007, ALICE Experiment at CERN, All rights reserved.      *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

/* $Id$ */

// The class which simulates the pulse shape from the PHOS FEE shaper,
// make sampled amplitudes, digitize them.
// Use case:
//   AliPHOSPulseGenerator *pulse = new AliPHOSPulseGenerator(energy,time);
//   Int_t *adcHG = new Int_t[pulse->GetRawFormatTimeBins()];
//   Int_t *adcLG= new Int_t[pulse->GetRawFormatTimeBins()];
//   pulse->AddNoise(1.);
//   pulse->MakeSamples();
//   pulse->GetSamples(adcHG, adcHG) ; 
//   pulse->Print();
//   pulse->Draw();
//
// Author: Yuri Kharlov, after Yves Schutz and Per Thomas Hille

// --- ROOT system ---

#include <TCanvas.h> 
#include <TF1.h> 
#include <TGraph.h> 
#include <TH1F.h> 
#include <TMath.h> 
#include <TRandom.h>

// --- AliRoot header files ---
#include "AliLog.h"
#include "AliPHOSPulseGenerator.h"

// --- Standard library ---
#include <cmath>
#include <iostream>

using std::cout;
using std::endl; 

ClassImp(AliPHOSPulseGenerator) 

Int_t    AliPHOSPulseGenerator::fgOrder       = 2 ;        // order of the Gamma function
Double_t AliPHOSPulseGenerator::fgTimePeak    = 2.1E-6 ;   // tau=2.1 micro seconds
Double_t AliPHOSPulseGenerator::fgTimeTrigger = 100E-9 ;   // one tick 100 ns

//-----------------------------------------------------------------------------
AliPHOSPulseGenerator::AliPHOSPulseGenerator(Double_t a, Double_t t0)
  : TObject(), fAmplitude(a), fTZero(t0), fHG2LGratio(16.), fDataHG(0), fDataLG(0), fDigitize(kTRUE)
{
  // Contruct a pulsegenrator object and initializes all necessary parameters
  // @param a digit amplitude in GeV
  // @param t0 time delay in nanoseconds of signal relative the first sample. 
  // This value should be between 0 and Ts, where Ts is the sample interval

  fDataHG = new Double_t[fkTimeBins];
  fDataLG = new Double_t[fkTimeBins];
  Reset();
}

//-----------------------------------------------------------------------------
AliPHOSPulseGenerator::AliPHOSPulseGenerator(const AliPHOSPulseGenerator & pulse)
  : TObject(), fAmplitude(pulse.fAmplitude), fTZero(pulse.fTZero),fHG2LGratio(pulse.fHG2LGratio),
  fDataHG(0), fDataLG(0), fDigitize(kTRUE)
{
  fDataHG = new Double_t[pulse.fkTimeBins];
  fDataLG = new Double_t[pulse.fkTimeBins];
  for (Int_t i=0; i<pulse.fkTimeBins; i++) {
    fDataHG[i] = pulse.fDataHG[i];
    fDataLG[i] = pulse.fDataHG[i];
  }
}

//-----------------------------------------------------------------------------
AliPHOSPulseGenerator::~AliPHOSPulseGenerator()
{
  // Destructor: delete arrays of samples

  delete [] fDataHG;
  fDataHG=0;
  delete [] fDataLG;
  fDataLG=0;
}

//-----------------------------------------------------------------------------
void AliPHOSPulseGenerator::Reset()
{
  // Reset all sample amplitudes to 0

  for (Int_t i=0; i<fkTimeBins; i++) {
    fDataHG[i] = 0.;
    fDataLG[i] = 0.;
  }
}

//-----------------------------------------------------------------------------
void AliPHOSPulseGenerator::AddBaseline(Double_t baselineLevel)
{
  // Adds a baseline offset to the signal
  // @param baselineLevel The basline level to add
  for (Int_t i=0; i<fkTimeBins; i++) {
    fDataHG[i] += baselineLevel;
    fDataLG[i] += baselineLevel;
  }
  // Digitize floating point amplitudes to integers
  if (fDigitize) Digitize();
}

//-----------------------------------------------------------------------------
void AliPHOSPulseGenerator::AddNoise(Double_t sigma)
{
  // Adds Gaussian uncorrelated to the sample array
  // @param sigma the noise amplitude in entities of ADC levels  
  
  for (Int_t i=0; i<fkTimeBins; i++) {
    fDataHG[i] = gRandom->Gaus(0., sigma) ; 
    fDataLG[i] = gRandom->Gaus(0., sigma) ; 
  }
}

//-----------------------------------------------------------------------------
void AliPHOSPulseGenerator::AddNoise(Double_t * /* sigma */, Double_t /* cutoff */)
{
  //Adds correlated Gaussian noise with cutof frequency "cutoff"
  // @param sigma noise amplitude in entities of ADC levels
  // @param -30DB cutoff frequency of the noise in entities of sampling frequency

  AliError("not implemented yet");
}

//-----------------------------------------------------------------------------
void AliPHOSPulseGenerator::AddPretriggerSamples(Int_t nPresamples)
{
  // Adds pretrigger samples to the sample arrays and replace them
  // with concatinated and truncated arrays

  Double_t *tmpDataHG = new Double_t[fkTimeBins];
  Double_t *tmpDataLG = new Double_t[fkTimeBins];
  Int_t i;
  for (i=0; i<fkTimeBins; i++) {
    tmpDataHG[i] = fDataHG[i];
    tmpDataLG[i] = fDataLG[i];
  }
  for (i=0; i<fkTimeBins; i++) {
    if (i<nPresamples) {
      fDataHG[i] = 0.;
      fDataLG[i] = 0.;
    }
    else {
      fDataHG[i] = tmpDataHG[i-nPresamples];
      fDataLG[i] = tmpDataLG[i-nPresamples];
    }
  }
  delete [] tmpDataHG;
  delete [] tmpDataLG;
}

//-----------------------------------------------------------------------------
void AliPHOSPulseGenerator::Digitize()
{
  // Emulates ADC: rounds up to nearest integer value all amplitudes
  for (Int_t i=0; i<fkTimeBins; i++) {
    fDataHG[i] = TMath::Ceil(fDataHG[i]);
    fDataLG[i] = TMath::Ceil(fDataLG[i]);
  }
}

//-----------------------------------------------------------------------------
Double_t AliPHOSPulseGenerator::RawResponseFunction(Double_t *x, Double_t *par) 
{
  // Shape of the electronics raw reponse:
  // It is a semi-gaussian, 2nd order Gamma function of the general form
  // v(t) = A *(t/tp)**n * exp(-n * t/tp-n) with 
  // tp : peaking time  fgTimePeak
  // n  : order of the function
  
  Double_t signal ;
  Double_t xx = x[0] - ( fgTimeTrigger + par[1] ) ; 

  if (xx < 0 || xx > GetRawFormatTimeMax()) 
    signal = 0. ;  
  else {
    signal =  par[0] * TMath::Power(xx/fgTimePeak, fgOrder) * TMath::Exp(-fgOrder*(xx/fgTimePeak-1.)) ; //normalized to par[2] at maximum
  }
  return signal ;  
}

//__________________________________________________________________
Bool_t AliPHOSPulseGenerator::MakeSamples()
{
  // for a start time fTZero and an amplitude fAmplitude given by digit, 
  // calculates the raw sampled response AliPHOSPulseGenerator::RawResponseFunction

  const Int_t kRawSignalOverflow = 0x3FF ; // decimal 1023
  Bool_t lowGain = kFALSE ; 

  TF1 signalF("signal", RawResponseFunction, 0, GetRawFormatTimeMax(), 4);

  for (Int_t iTime = 0; iTime < GetRawFormatTimeBins(); iTime++) {
    signalF.SetParameter(0, fAmplitude) ; 
    signalF.SetParameter(1, fTZero) ; 
    Double_t time = iTime * GetRawFormatTimeMax() / GetRawFormatTimeBins() ;
    Double_t signal = signalF.Eval(time) ;     
    fDataHG[iTime] += signal;
    if ( static_cast<Int_t>(fDataHG[iTime]+0.5) > kRawSignalOverflow ){  // larger than 10 bits 
      fDataHG[iTime] = kRawSignalOverflow ;
      lowGain = kTRUE ; 
    }

    Double_t aLGamp = fAmplitude/fHG2LGratio ;
    signalF.SetParameter(0, aLGamp) ;
    signal = signalF.Eval(time) ;  
    fDataLG[iTime] += signal;
    if ( static_cast<Int_t>(fDataLG[iTime]+0.5) > kRawSignalOverflow)  // larger than 10 bits 
      fDataLG[iTime] = kRawSignalOverflow ;
  }
  // Digitize floating point amplitudes to integers
  if (fDigitize) Digitize();
  return lowGain ; 
}

//__________________________________________________________________
void AliPHOSPulseGenerator::GetSamples(Int_t *adcHG, Int_t *adcLG) const
{
  // Return integer sample arrays adcHG and adcLG
  for (Int_t iTime = 0; iTime < GetRawFormatTimeBins(); iTime++) {
    adcHG[iTime] = static_cast<Int_t>(fDataHG[iTime]) ;
    adcLG[iTime] = static_cast<Int_t>(fDataLG[iTime]) ;
  }
}

//__________________________________________________________________
void AliPHOSPulseGenerator::Print(Option_t*) const
{
  // Prints sampled amplitudes to stdout
  Int_t i;
  cout << "High gain: ";
  for (i=0; i<fkTimeBins; i++)
    cout << (Int_t)fDataHG[i] << " ";
  cout << endl;

  cout << "Low  gain: ";
  for (i=0; i<fkTimeBins; i++)
    cout << (Int_t)fDataLG[i] << " ";
  cout << endl;
}

//__________________________________________________________________
void AliPHOSPulseGenerator::Draw(Option_t* opt)
{
  // Draw graphs with high and low gain samples
  // Option_t* opt="all": draw both HG and LG in one canvas
  //               "HG" : draw HG only
  //               "LG" : draw LG only

  Double_t *time = new Double_t[fkTimeBins];
  for (Int_t iTime = 0; iTime < GetRawFormatTimeBins(); iTime++) {
    time[iTime] = iTime * GetRawFormatTimeMax() / GetRawFormatTimeBins() ;
  }
  Int_t nPoints = fkTimeBins;
  TGraph *graphHG = new TGraph(nPoints,time,fDataHG);
  TGraph *graphLG = new TGraph(nPoints,time,fDataLG);
  graphHG->SetMarkerStyle(20);
  graphLG->SetMarkerStyle(20);
  graphHG->SetMarkerSize(0.4);
  graphLG->SetMarkerSize(0.4);
  graphHG->SetTitle("High gain samples");
  graphLG->SetTitle("Low gain samples");

  TCanvas *c1 = new TCanvas("c1","Raw ALTRO samples",10,10,700,500);
  c1->SetFillColor(0);

  if (strstr(opt,"all")){
    c1->Divide(2,1);
    c1->cd(1);
    gPad->SetLeftMargin(0.15);
  }
  if (strstr(opt,"LG") == 0){
    graphHG->Draw("AP");
    graphHG->GetHistogram()->SetTitleOffset(1.0,"Y");
    graphHG->GetHistogram()->SetXTitle("time, sec");
    graphHG->GetHistogram()->SetYTitle("Amplitude, ADC counts");
  }
  if (strstr(opt,"all")){
    c1->cd(2);
    gPad->SetLeftMargin(0.15);
  }
  if (strstr(opt,"HG") == 0){
    graphLG->Draw("AP");
    graphLG->GetHistogram()->SetTitleOffset(1.0,"Y");
    graphLG->GetHistogram()->SetXTitle("time, sec");
    graphLG->GetHistogram()->SetYTitle("Amplitude, ADC counts");
  }
  c1->Update();
}
Commit	Line	Data
	1	/**************************************************************************
	2	* Copyright(c) 2007, ALICE Experiment at CERN, All rights reserved. *
	3	* *
	4	* Author: The ALICE Off-line Project. *
	5	* Contributors are mentioned in the code where appropriate. *
	6	* *
	7	* Permission to use, copy, modify and distribute this software and its *
	8	* documentation strictly for non-commercial purposes is hereby granted *
	9	* without fee, provided that the above copyright notice appears in all *
	10	* copies and that both the copyright notice and this permission notice *
	11	* appear in the supporting documentation. The authors make no claims *
	12	* about the suitability of this software for any purpose. It is *
	13	* provided "as is" without express or implied warranty. *
	14	**************************************************************************/
	15
	16	/* $Id$ */
	17
	18	// The class which simulates the pulse shape from the PHOS FEE shaper,
	19	// make sampled amplitudes, digitize them.
	20	// Use case:
	21	// AliPHOSPulseGenerator *pulse = new AliPHOSPulseGenerator(energy,time);
	22	// Int_t *adcHG = new Int_t[pulse->GetRawFormatTimeBins()];
	23	// Int_t *adcLG= new Int_t[pulse->GetRawFormatTimeBins()];
	24	// pulse->AddNoise(1.);
	25	// pulse->MakeSamples();
	26	// pulse->GetSamples(adcHG, adcHG) ;
	27	// pulse->Print();
	28	// pulse->Draw();
	29	//
	30	// Author: Yuri Kharlov, after Yves Schutz and Per Thomas Hille
	31
	32	// --- ROOT system ---
	33
	34	#include <TCanvas.h>
	35	#include <TF1.h>
	36	#include <TGraph.h>
	37	#include <TH1F.h>
	38	#include <TMath.h>
	39	#include <TRandom.h>
	40
	41	// --- AliRoot header files ---
	42	#include "AliLog.h"
	43	#include "AliPHOSPulseGenerator.h"
	44
	45	// --- Standard library ---
	46	#include <cmath>
	47	#include <iostream>
	48
	49	using std::cout;
	50	using std::endl;
	51
	52	ClassImp(AliPHOSPulseGenerator)
	53
	54	Int_t AliPHOSPulseGenerator::fgOrder = 2 ; // order of the Gamma function
	55	Double_t AliPHOSPulseGenerator::fgTimePeak = 2.1E-6 ; // tau=2.1 micro seconds
	56	Double_t AliPHOSPulseGenerator::fgTimeTrigger = 100E-9 ; // one tick 100 ns
	57
	58	//-----------------------------------------------------------------------------
	59	AliPHOSPulseGenerator::AliPHOSPulseGenerator(Double_t a, Double_t t0)
	60	: TObject(), fAmplitude(a), fTZero(t0), fHG2LGratio(16.), fDataHG(0), fDataLG(0), fDigitize(kTRUE)
	61	{
	62	// Contruct a pulsegenrator object and initializes all necessary parameters
	63	// @param a digit amplitude in GeV
	64	// @param t0 time delay in nanoseconds of signal relative the first sample.
	65	// This value should be between 0 and Ts, where Ts is the sample interval
	66
	67	fDataHG = new Double_t[fkTimeBins];
	68	fDataLG = new Double_t[fkTimeBins];
	69	Reset();
	70	}
	71
	72	//-----------------------------------------------------------------------------
	73	AliPHOSPulseGenerator::AliPHOSPulseGenerator(const AliPHOSPulseGenerator & pulse)
	74	: TObject(), fAmplitude(pulse.fAmplitude), fTZero(pulse.fTZero),fHG2LGratio(pulse.fHG2LGratio),
	75	fDataHG(0), fDataLG(0), fDigitize(kTRUE)
	76	{
	77	fDataHG = new Double_t[pulse.fkTimeBins];
	78	fDataLG = new Double_t[pulse.fkTimeBins];
	79	for (Int_t i=0; i<pulse.fkTimeBins; i++) {
	80	fDataHG[i] = pulse.fDataHG[i];
	81	fDataLG[i] = pulse.fDataHG[i];
	82	}
	83	}
	84
	85	//-----------------------------------------------------------------------------
	86	AliPHOSPulseGenerator::~AliPHOSPulseGenerator()
	87	{
	88	// Destructor: delete arrays of samples
	89
	90	delete [] fDataHG;
	91	fDataHG=0;
	92	delete [] fDataLG;
	93	fDataLG=0;
	94	}
	95
	96	//-----------------------------------------------------------------------------
	97	void AliPHOSPulseGenerator::Reset()
	98	{
	99	// Reset all sample amplitudes to 0
	100
	101	for (Int_t i=0; i<fkTimeBins; i++) {
	102	fDataHG[i] = 0.;
	103	fDataLG[i] = 0.;
	104	}
	105	}
	106
	107	//-----------------------------------------------------------------------------
	108	void AliPHOSPulseGenerator::AddBaseline(Double_t baselineLevel)
	109	{
	110	// Adds a baseline offset to the signal
	111	// @param baselineLevel The basline level to add
	112	for (Int_t i=0; i<fkTimeBins; i++) {
	113	fDataHG[i] += baselineLevel;
	114	fDataLG[i] += baselineLevel;
	115	}
	116	// Digitize floating point amplitudes to integers
	117	if (fDigitize) Digitize();
	118	}
	119
	120	//-----------------------------------------------------------------------------
	121	void AliPHOSPulseGenerator::AddNoise(Double_t sigma)
	122	{
	123	// Adds Gaussian uncorrelated to the sample array
	124	// @param sigma the noise amplitude in entities of ADC levels
	125
	126	for (Int_t i=0; i<fkTimeBins; i++) {
	127	fDataHG[i] = gRandom->Gaus(0., sigma) ;
	128	fDataLG[i] = gRandom->Gaus(0., sigma) ;
	129	}
	130	}
	131
	132	//-----------------------------------------------------------------------------
	133	void AliPHOSPulseGenerator::AddNoise(Double_t * /* sigma /, Double_t / cutoff */)
	134	{
	135	//Adds correlated Gaussian noise with cutof frequency "cutoff"
	136	// @param sigma noise amplitude in entities of ADC levels
	137	// @param -30DB cutoff frequency of the noise in entities of sampling frequency
	138
	139	AliError("not implemented yet");
	140	}
	141
	142	//-----------------------------------------------------------------------------
	143	void AliPHOSPulseGenerator::AddPretriggerSamples(Int_t nPresamples)
	144	{
	145	// Adds pretrigger samples to the sample arrays and replace them
	146	// with concatinated and truncated arrays
	147
	148	Double_t *tmpDataHG = new Double_t[fkTimeBins];
	149	Double_t *tmpDataLG = new Double_t[fkTimeBins];
	150	Int_t i;
	151	for (i=0; i<fkTimeBins; i++) {
	152	tmpDataHG[i] = fDataHG[i];
	153	tmpDataLG[i] = fDataLG[i];
	154	}
	155	for (i=0; i<fkTimeBins; i++) {
	156	if (i<nPresamples) {
	157	fDataHG[i] = 0.;
	158	fDataLG[i] = 0.;
	159	}
	160	else {
	161	fDataHG[i] = tmpDataHG[i-nPresamples];
	162	fDataLG[i] = tmpDataLG[i-nPresamples];
	163	}
	164	}
	165	delete [] tmpDataHG;
	166	delete [] tmpDataLG;
	167	}
	168
	169	//-----------------------------------------------------------------------------
	170	void AliPHOSPulseGenerator::Digitize()
	171	{
	172	// Emulates ADC: rounds up to nearest integer value all amplitudes
	173	for (Int_t i=0; i<fkTimeBins; i++) {
	174	fDataHG[i] = TMath::Ceil(fDataHG[i]);
	175	fDataLG[i] = TMath::Ceil(fDataLG[i]);
	176	}
	177	}
	178
	179	//-----------------------------------------------------------------------------
	180	Double_t AliPHOSPulseGenerator::RawResponseFunction(Double_t x, Double_t par)
	181	{
	182	// Shape of the electronics raw reponse:
	183	// It is a semi-gaussian, 2nd order Gamma function of the general form
	184	// v(t) = A (t/tp)n exp(-n * t/tp-n) with
	185	// tp : peaking time fgTimePeak
	186	// n : order of the function
	187
	188	Double_t signal ;
	189	Double_t xx = x[0] - ( fgTimeTrigger + par[1] ) ;
	190
	191	if (xx < 0 \|\| xx > GetRawFormatTimeMax())
	192	signal = 0. ;
	193	else {
	194	signal = par[0] * TMath::Power(xx/fgTimePeak, fgOrder) * TMath::Exp(-fgOrder*(xx/fgTimePeak-1.)) ; //normalized to par[2] at maximum
	195	}
	196	return signal ;
	197	}
	198
	199	//__________________________________________________________________
	200	Bool_t AliPHOSPulseGenerator::MakeSamples()
	201	{
	202	// for a start time fTZero and an amplitude fAmplitude given by digit,
	203	// calculates the raw sampled response AliPHOSPulseGenerator::RawResponseFunction
	204
	205	const Int_t kRawSignalOverflow = 0x3FF ; // decimal 1023
	206	Bool_t lowGain = kFALSE ;
	207
	208	TF1 signalF("signal", RawResponseFunction, 0, GetRawFormatTimeMax(), 4);
	209
	210	for (Int_t iTime = 0; iTime < GetRawFormatTimeBins(); iTime++) {
	211	signalF.SetParameter(0, fAmplitude) ;
	212	signalF.SetParameter(1, fTZero) ;
	213	Double_t time = iTime * GetRawFormatTimeMax() / GetRawFormatTimeBins() ;
	214	Double_t signal = signalF.Eval(time) ;
	215	fDataHG[iTime] += signal;
	216	if ( static_cast<Int_t>(fDataHG[iTime]+0.5) > kRawSignalOverflow ){ // larger than 10 bits
	217	fDataHG[iTime] = kRawSignalOverflow ;
	218	lowGain = kTRUE ;
	219	}
	220
	221	Double_t aLGamp = fAmplitude/fHG2LGratio ;
	222	signalF.SetParameter(0, aLGamp) ;
	223	signal = signalF.Eval(time) ;
	224	fDataLG[iTime] += signal;
	225	if ( static_cast<Int_t>(fDataLG[iTime]+0.5) > kRawSignalOverflow) // larger than 10 bits
	226	fDataLG[iTime] = kRawSignalOverflow ;
	227	}
	228	// Digitize floating point amplitudes to integers
	229	if (fDigitize) Digitize();
	230	return lowGain ;
	231	}
	232
	233	//__________________________________________________________________
	234	void AliPHOSPulseGenerator::GetSamples(Int_t adcHG, Int_t adcLG) const
	235	{
	236	// Return integer sample arrays adcHG and adcLG
	237	for (Int_t iTime = 0; iTime < GetRawFormatTimeBins(); iTime++) {
	238	adcHG[iTime] = static_cast<Int_t>(fDataHG[iTime]) ;
	239	adcLG[iTime] = static_cast<Int_t>(fDataLG[iTime]) ;
	240	}
	241	}
	242
	243	//__________________________________________________________________
	244	void AliPHOSPulseGenerator::Print(Option_t*) const
	245	{
	246	// Prints sampled amplitudes to stdout
	247	Int_t i;
	248	cout << "High gain: ";
	249	for (i=0; i<fkTimeBins; i++)
	250	cout << (Int_t)fDataHG[i] << " ";
	251	cout << endl;
	252
	253	cout << "Low gain: ";
	254	for (i=0; i<fkTimeBins; i++)
	255	cout << (Int_t)fDataLG[i] << " ";
	256	cout << endl;
	257	}
	258
	259	//__________________________________________________________________
	260	void AliPHOSPulseGenerator::Draw(Option_t* opt)
	261	{
	262	// Draw graphs with high and low gain samples
	263	// Option_t* opt="all": draw both HG and LG in one canvas
	264	// "HG" : draw HG only
	265	// "LG" : draw LG only
	266
	267	Double_t *time = new Double_t[fkTimeBins];
	268	for (Int_t iTime = 0; iTime < GetRawFormatTimeBins(); iTime++) {
	269	time[iTime] = iTime * GetRawFormatTimeMax() / GetRawFormatTimeBins() ;
	270	}
	271	Int_t nPoints = fkTimeBins;
	272	TGraph *graphHG = new TGraph(nPoints,time,fDataHG);
	273	TGraph *graphLG = new TGraph(nPoints,time,fDataLG);
	274	graphHG->SetMarkerStyle(20);
	275	graphLG->SetMarkerStyle(20);
	276	graphHG->SetMarkerSize(0.4);
	277	graphLG->SetMarkerSize(0.4);
	278	graphHG->SetTitle("High gain samples");
	279	graphLG->SetTitle("Low gain samples");
	280
	281	TCanvas *c1 = new TCanvas("c1","Raw ALTRO samples",10,10,700,500);
	282	c1->SetFillColor(0);
	283
	284	if (strstr(opt,"all")){
	285	c1->Divide(2,1);
	286	c1->cd(1);
	287	gPad->SetLeftMargin(0.15);
	288	}
	289	if (strstr(opt,"LG") == 0){
	290	graphHG->Draw("AP");
	291	graphHG->GetHistogram()->SetTitleOffset(1.0,"Y");
	292	graphHG->GetHistogram()->SetXTitle("time, sec");
	293	graphHG->GetHistogram()->SetYTitle("Amplitude, ADC counts");
	294	}
	295	if (strstr(opt,"all")){
	296	c1->cd(2);
	297	gPad->SetLeftMargin(0.15);
	298	}
	299	if (strstr(opt,"HG") == 0){
	300	graphLG->Draw("AP");
	301	graphLG->GetHistogram()->SetTitleOffset(1.0,"Y");
	302	graphLG->GetHistogram()->SetXTitle("time, sec");
	303	graphLG->GetHistogram()->SetYTitle("Amplitude, ADC counts");
	304	}
	305	c1->Update();
	306	}
	307