[u/mrichter/AliRoot.git] / TRD / AliTRDSimParam.cxx

/**************************************************************************
 * Copyright(c) 1998-1999, 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.                  *
 **************************************************************************/

/* $Id$ */

////////////////////////////////////////////////////////////////////////////
//                                                                        //
// Class containing constant simulation parameters                        //
//                                                                        //
// Request an instance with AliTRDSimParam::Instance()                    //
// Then request the needed values                                         //
//                                                                        //
////////////////////////////////////////////////////////////////////////////

#include <TMath.h>

#include "AliRun.h"

#include "AliTRDSimParam.h"

ClassImp(AliTRDSimParam)

AliTRDSimParam *AliTRDSimParam::fgInstance   = 0;
Bool_t          AliTRDSimParam::fgTerminated = kFALSE;

//_ singleton implementation __________________________________________________
AliTRDSimParam* AliTRDSimParam::Instance()
{
  //
  // Singleton implementation
  // Returns an instance of this class, it is created if neccessary
  // 
  
  if (fgTerminated != kFALSE) {
    return 0;
  }

  if (fgInstance == 0) {
    fgInstance = new AliTRDSimParam();
  }  

  return fgInstance;

}

//_ singleton implementation __________________________________________________
void AliTRDSimParam::Terminate()
{
  //
  // Singleton implementation
  // Deletes the instance of this class and sets the terminated flag,
  // instances cannot be requested anymore
  // This function can be called several times.
  //
  
  fgTerminated = kTRUE;
  
  if (fgInstance != 0) {
    delete fgInstance;
    fgInstance = 0;
  }

}

//_____________________________________________________________________________
AliTRDSimParam::AliTRDSimParam()
  :TObject()
  ,fGasGain(0.0)
  ,fNoise(0.0)
  ,fChipGain(0.0)
  ,fADCoutRange(0.0)
  ,fADCinRange(0.0)
  ,fADCthreshold(0)
  ,fADCbaseline(0)
  ,fDiffusionOn(kFALSE)
  ,fElAttachOn(kFALSE)
  ,fElAttachProp(0.0)
  ,fTRFOn(kFALSE)
  ,fTRFsmp(0)
  ,fTRFbin(0)
  ,fTRFlo(0.0)
  ,fTRFhi(0.0)
  ,fTRFwid(0.0)
  ,fCTOn(kFALSE)
  ,fCTsmp(0)
  ,fAnodeWireOffset(0.0)
  ,fPadCoupling(0.0)
  ,fTimeCoupling(0.0)
  ,fTimeStructOn(kFALSE)
  ,fPRFOn(kFALSE)
{
  //
  // Default constructor
  //
  
  Init();

}

//_____________________________________________________________________________
void AliTRDSimParam::Init()
{
  // 
  // Default initializiation
  //
  
  // The default parameter for the digitization
  fGasGain         = 4000.0;
  fChipGain        =   12.4;
  fNoise           = 1000.0;
  fADCoutRange     = 1023.0;          // 10-bit ADC
  fADCinRange      = 2000.0;          // 2V input range
  fADCthreshold    =    1;
  fADCbaseline     =    0;

  // Diffusion on
  fDiffusionOn     = kTRUE;
  
  // Propability for electron attachment
  fElAttachOn      = kFALSE;
  fElAttachProp    = 0.0;

  // The time response function
  fTRFOn           = kTRUE;

  // The cross talk
  fCTOn            = kTRUE;

  // The pad coupling factor
  // Use 0.46, instead of the theroetical value 0.3, since it reproduces better 
  // the test beam data, even tough it is not understood why.
  fPadCoupling     = 0.46;

  // The time coupling factor (same number as for the TPC)
  fTimeCoupling    = 0.4;

  // Distance of first Anode wire from first pad edge
  fAnodeWireOffset = 0.25;

  // Use drift time maps
  fTimeStructOn    = kTRUE;
  
  // The pad response function
  fPRFOn           = kTRUE;

  ReInit();

}

//_____________________________________________________________________________
AliTRDSimParam::~AliTRDSimParam() 
{
  //
  // Destructor
  //
  
  if (fTRFsmp) {
    delete [] fTRFsmp;
    fTRFsmp = 0;
  }

  if (fCTsmp) {
    delete [] fCTsmp;
    fCTsmp  = 0;
  }

}

//_____________________________________________________________________________
AliTRDSimParam::AliTRDSimParam(const AliTRDSimParam &p)
  :TObject(p)
  ,fGasGain(p.fGasGain)
  ,fNoise(p.fNoise)
  ,fChipGain(p.fChipGain)
  ,fADCoutRange(p.fADCoutRange)
  ,fADCinRange(p.fADCinRange)
  ,fADCthreshold(p.fADCthreshold)
  ,fADCbaseline(p.fADCbaseline)
  ,fDiffusionOn(p.fDiffusionOn)
  ,fElAttachOn(p.fElAttachOn)
  ,fElAttachProp(p.fElAttachProp)
  ,fTRFOn(p.fTRFOn)
  ,fTRFsmp(0)
  ,fTRFbin(p.fTRFbin)
  ,fTRFlo(p.fTRFlo)
  ,fTRFhi(p.fTRFhi)
  ,fTRFwid(p.fTRFwid)
  ,fCTOn(p.fCTOn)
  ,fCTsmp(0)
  ,fAnodeWireOffset(p.fAnodeWireOffset)
  ,fPadCoupling(p.fPadCoupling)
  ,fTimeCoupling(p.fTimeCoupling)
  ,fTimeStructOn(p.fTimeStructOn)
  ,fPRFOn(p.fPRFOn)
{
  //
  // Copy constructor
  //

  Int_t iBin = 0;

  if (((AliTRDSimParam &) p).fTRFsmp) {
    delete [] ((AliTRDSimParam &) p).fTRFsmp;
  }
  ((AliTRDSimParam &) p).fTRFsmp = new Float_t[fTRFbin];
  for (iBin = 0; iBin < fTRFbin; iBin++) {
    ((AliTRDSimParam &) p).fTRFsmp[iBin] = fTRFsmp[iBin];
  }                                                                             

  if (((AliTRDSimParam &) p).fCTsmp) {
    delete [] ((AliTRDSimParam &) p).fCTsmp;
  }
  ((AliTRDSimParam &) p).fCTsmp  = new Float_t[fTRFbin];
  for (iBin = 0; iBin < fTRFbin; iBin++) {
    ((AliTRDSimParam &) p).fCTsmp[iBin] = fCTsmp[iBin];
  }                                                                             

}

//_____________________________________________________________________________
AliTRDSimParam &AliTRDSimParam::operator=(const AliTRDSimParam &p)
{
  //
  // Assignment operator
  //

  if (this != &p) ((AliTRDSimParam &) p).Copy(*this);

  return *this;

}

//_____________________________________________________________________________
void AliTRDSimParam::Copy(TObject &p) const
{
  //
  // Copy function
  //
  
  AliTRDSimParam* target = dynamic_cast<AliTRDSimParam*> (&p);
  if (!target) {
    return;
  }

  target->fGasGain            = fGasGain;
  target->fNoise              = fNoise;
  target->fChipGain           = fChipGain;  
  target->fADCoutRange        = fADCoutRange;
  target->fADCinRange         = fADCinRange;
  target->fADCthreshold       = fADCthreshold;
  target->fADCbaseline        = fADCbaseline; 
  target->fDiffusionOn        = fDiffusionOn; 
  target->fElAttachOn         = fElAttachOn;
  target->fElAttachProp       = fElAttachProp;
  target->fTRFOn              = fTRFOn;
  target->fTRFbin             = fTRFbin;
  target->fTRFlo              = fTRFlo;
  target->fTRFhi              = fTRFhi;
  target->fTRFwid             = fTRFwid;
  target->fCTOn               = fCTOn;
  target->fAnodeWireOffset    = fAnodeWireOffset;
  target->fPadCoupling        = fPadCoupling;
  target->fTimeCoupling       = fTimeCoupling;
  target->fPRFOn              = fPRFOn;

  if (target->fTRFsmp) {
    delete[] target->fTRFsmp;
  }
  target->fTRFsmp = new Float_t[fTRFbin];
  for (Int_t iBin = 0; iBin < fTRFbin; iBin++) {
    target->fTRFsmp[iBin] = fTRFsmp[iBin];
  }

  if (target->fCTsmp) {
    delete[] target->fCTsmp;
  }
  target->fCTsmp  = new Float_t[fTRFbin];
  for (Int_t iBin = 0; iBin < fTRFbin; iBin++) {
    target->fCTsmp[iBin]  = fCTsmp[iBin];
  }
  
}

//_____________________________________________________________________________
void AliTRDSimParam::ReInit()
{
  //
  // Reinitializes the parameter class after a change
  //

  // The range and the binwidth for the sampled TRF 
  fTRFbin = 200;
  // Start 0.2 mus before the signal
  fTRFlo  = -0.4;
  // End the maximum drift time after the signal 
  fTRFhi  =  3.58;
  fTRFwid = (fTRFhi - fTRFlo) / ((Float_t) fTRFbin);

  // Create the sampled TRF
  SampleTRF();

}

//_____________________________________________________________________________
void AliTRDSimParam::SampleTRF()
{
  //
  // Samples the new time response function.
  // From Antons measurements with Fe55 source, adjusted by C. Lippmann.
  // time bins are -0.4, -0.38, -0.36, ...., 3.54, 3.56, 3.58 microseconds
  //

  const Int_t kNpasa     = 200;  // kNpasa should be equal to fTRFbin!

  Float_t signal[kNpasa]={ 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000
			 , 0.0002, 0.0007, 0.0026, 0.0089, 0.0253, 0.0612, 0.1319
			 , 0.2416, 0.3913, 0.5609, 0.7295, 0.8662, 0.9581, 1.0000
			 , 0.9990, 0.9611, 0.8995, 0.8269, 0.7495, 0.6714, 0.5987
			 , 0.5334, 0.4756, 0.4249, 0.3811, 0.3433, 0.3110, 0.2837
			 , 0.2607, 0.2409, 0.2243, 0.2099, 0.1974, 0.1868, 0.1776
			 , 0.1695, 0.1627, 0.1566, 0.1509, 0.1457, 0.1407, 0.1362
			 , 0.1317, 0.1274, 0.1233, 0.1196, 0.1162, 0.1131, 0.1102
			 , 0.1075, 0.1051, 0.1026, 0.1004, 0.0979, 0.0956, 0.0934
			 , 0.0912, 0.0892, 0.0875, 0.0858, 0.0843, 0.0829, 0.0815
			 , 0.0799, 0.0786, 0.0772, 0.0757, 0.0741, 0.0729, 0.0718
			 , 0.0706, 0.0692, 0.0680, 0.0669, 0.0655, 0.0643, 0.0630
			 , 0.0618, 0.0607, 0.0596, 0.0587, 0.0576, 0.0568, 0.0558
			 , 0.0550, 0.0541, 0.0531, 0.0522, 0.0513, 0.0505, 0.0497
			 , 0.0490, 0.0484, 0.0474, 0.0465, 0.0457, 0.0449, 0.0441
			 , 0.0433, 0.0425, 0.0417, 0.0410, 0.0402, 0.0395, 0.0388
			 , 0.0381, 0.0374, 0.0368, 0.0361, 0.0354, 0.0348, 0.0342
			 , 0.0336, 0.0330, 0.0324, 0.0318, 0.0312, 0.0306, 0.0301
			 , 0.0296, 0.0290, 0.0285, 0.0280, 0.0275, 0.0270, 0.0265
			 , 0.0260, 0.0256, 0.0251, 0.0246, 0.0242, 0.0238, 0.0233
			 , 0.0229, 0.0225, 0.0221, 0.0217, 0.0213, 0.0209, 0.0206
			 , 0.0202, 0.0198, 0.0195, 0.0191, 0.0188, 0.0184, 0.0181
			 , 0.0178, 0.0175, 0.0171, 0.0168, 0.0165, 0.0162, 0.0159
			 , 0.0157, 0.0154, 0.0151, 0.0148, 0.0146, 0.0143, 0.0140
			 , 0.0138, 0.0135, 0.0133, 0.0131, 0.0128, 0.0126, 0.0124
			 , 0.0121, 0.0119, 0.0120, 0.0115, 0.0113, 0.0111, 0.0109
			 , 0.0107, 0.0105, 0.0103, 0.0101, 0.0100, 0.0098, 0.0096
			 , 0.0094, 0.0092, 0.0091, 0.0089, 0.0088, 0.0086, 0.0084
			 , 0.0083, 0.0081, 0.0080, 0.0078 };

  Float_t xtalk[kNpasa];

  // With undershoot, positive peak corresponds to ~3% of the main signal:
  for (Int_t ipasa = 3; ipasa < kNpasa; ipasa++) {
    xtalk[ipasa] = 0.2 * (signal[ipasa-2] - signal[ipasa-3]);
  }

  xtalk[0]  = 0.0;   
  xtalk[1]  = 0.0;  
  xtalk[2]  = 0.0;  

  signal[0] = 0.0;
  signal[1] = 0.0;
  signal[2] = 0.0;

  if (fTRFsmp) {
    delete [] fTRFsmp;
  }
  fTRFsmp = new Float_t[fTRFbin];

  if (fCTsmp)  {
    delete [] fCTsmp;
  }
  fCTsmp  = new Float_t[fTRFbin];

  for (Int_t iBin = 0; iBin < fTRFbin; iBin++) {
    fTRFsmp[iBin] = signal[iBin];
    fCTsmp[iBin]  = xtalk[iBin];
  }

}

//_____________________________________________________________________________
Double_t AliTRDSimParam::TimeResponse(Double_t time) const
{
  //
  // Applies the preamp shaper time response
  // (We assume a signal rise time of 0.2us = fTRFlo/2.
  //

  Int_t iBin = ((Int_t) ((time - fTRFlo/2.0) / fTRFwid)); 
  if ((iBin >=       0) && 
      (iBin <  fTRFbin)) {
    return fTRFsmp[iBin];
  }
  else {
    return 0.0;
  }    

}

//_____________________________________________________________________________
Double_t AliTRDSimParam::CrossTalk(Double_t time) const
{
  //
  // Applies the pad-pad capacitive cross talk
  //

  Int_t iBin = ((Int_t) ((time - fTRFlo) / fTRFwid)); 
  if ((iBin >=       0) && 
      (iBin <  fTRFbin)) {
    return fCTsmp[iBin];
  }
  else {
    return 0.0;
  }    

}
Commit	Line	Data
3551db50	1	/**************************************************************************
	2	* Copyright(c) 1998-1999, 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
4d18a639	18	////////////////////////////////////////////////////////////////////////////
	19	// //
	20	// Class containing constant simulation parameters //
	21	// //
	22	// Request an instance with AliTRDSimParam::Instance() //
	23	// Then request the needed values //
	24	// //
	25	////////////////////////////////////////////////////////////////////////////
3551db50	26
	27	#include <TMath.h>
	28
	29	#include "AliRun.h"
	30
	31	#include "AliTRDSimParam.h"
	32
	33	ClassImp(AliTRDSimParam)
	34
4d18a639	35	AliTRDSimParam *AliTRDSimParam::fgInstance = 0;
4d18a639	36	Bool_t AliTRDSimParam::fgTerminated = kFALSE;
3551db50	37
	38	//_ singleton implementation __________________________________________________
	39	AliTRDSimParam* AliTRDSimParam::Instance()
	40	{
	41	//
	42	// Singleton implementation
	43	// Returns an instance of this class, it is created if neccessary
	44	//
	45
4d18a639	46	if (fgTerminated != kFALSE) {
3551db50	47	return 0;
4d18a639	48	}
3551db50	49
4d18a639	50	if (fgInstance == 0) {
3551db50	51	fgInstance = new AliTRDSimParam();
4d18a639	52	}
4d18a639	53
3551db50	54	return fgInstance;
4d18a639	55
3551db50	56	}
3551db50	57
4d18a639	58	//_ singleton implementation __________________________________________________
3551db50	59	void AliTRDSimParam::Terminate()
	60	{
	61	//
	62	// Singleton implementation
4d18a639	63	// Deletes the instance of this class and sets the terminated flag,
4d18a639	64	// instances cannot be requested anymore
3551db50	65	// This function can be called several times.
	66	//
	67
	68	fgTerminated = kTRUE;
	69
4d18a639	70	if (fgInstance != 0) {
3551db50	71	delete fgInstance;
	72	fgInstance = 0;
	73	}
4d18a639	74
3551db50	75	}
	76
	77	//_____________________________________________________________________________
	78	AliTRDSimParam::AliTRDSimParam()
4d18a639	79	:TObject()
	80	,fGasGain(0.0)
	81	,fNoise(0.0)
	82	,fChipGain(0.0)
	83	,fADCoutRange(0.0)
	84	,fADCinRange(0.0)
	85	,fADCthreshold(0)
	86	,fADCbaseline(0)
	87	,fDiffusionOn(kFALSE)
	88	,fElAttachOn(kFALSE)
	89	,fElAttachProp(0.0)
	90	,fTRFOn(kFALSE)
	91	,fTRFsmp(0)
	92	,fTRFbin(0)
	93	,fTRFlo(0.0)
	94	,fTRFhi(0.0)
	95	,fTRFwid(0.0)
	96	,fCTOn(kFALSE)
	97	,fCTsmp(0)
	98	,fAnodeWireOffset(0.0)
	99	,fPadCoupling(0.0)
	100	,fTimeCoupling(0.0)
	101	,fTimeStructOn(kFALSE)
	102	,fPRFOn(kFALSE)
3551db50	103	{
3551db50	104	//
4d18a639	105	// Default constructor
3551db50	106	//
3551db50	107
3551db50	108	Init();
4d18a639	109
3551db50	110	}
	111
	112	//_____________________________________________________________________________
	113	void AliTRDSimParam::Init()
	114	{
	115	//
4d18a639	116	// Default initializiation
3551db50	117	//
	118
	119	// The default parameter for the digitization
4d18a639	120	fGasGain = 4000.0;
	121	fChipGain = 12.4;
	122	fNoise = 1000.0;
	123	fADCoutRange = 1023.0; // 10-bit ADC
	124	fADCinRange = 2000.0; // 2V input range
	125	fADCthreshold = 1;
	126	fADCbaseline = 0;
3551db50	127
3551db50	128	// Diffusion on
4d18a639	129	fDiffusionOn = kTRUE;
3551db50	130
3551db50	131	// Propability for electron attachment
4d18a639	132	fElAttachOn = kFALSE;
4d18a639	133	fElAttachProp = 0.0;
3551db50	134
3551db50	135	// The time response function
4d18a639	136	fTRFOn = kTRUE;
3551db50	137
3551db50	138	// The cross talk
4d18a639	139	fCTOn = kTRUE;
3551db50	140
3551db50	141	// The pad coupling factor
4d18a639	142	// Use 0.46, instead of the theroetical value 0.3, since it reproduces better
	143	// the test beam data, even tough it is not understood why.
	144	fPadCoupling = 0.46;
3551db50	145
3551db50	146	// The time coupling factor (same number as for the TPC)
4d18a639	147	fTimeCoupling = 0.4;
3551db50	148
	149	// Distance of first Anode wire from first pad edge
	150	fAnodeWireOffset = 0.25;
	151
	152	// Use drift time maps
4d18a639	153	fTimeStructOn = kTRUE;
3551db50	154
cc7cef99	155	// The pad response function
4d18a639	156	fPRFOn = kTRUE;
cc7cef99	157
3551db50	158	ReInit();
4d18a639	159
ab0a4106	160	}
3551db50	161
	162	//_____________________________________________________________________________
	163	AliTRDSimParam::~AliTRDSimParam()
	164	{
	165	//
4d18a639	166	// Destructor
3551db50	167	//
	168
	169	if (fTRFsmp) {
	170	delete [] fTRFsmp;
	171	fTRFsmp = 0;
	172	}
	173
	174	if (fCTsmp) {
	175	delete [] fCTsmp;
	176	fCTsmp = 0;
	177	}
4d18a639	178
ab0a4106	179	}
3551db50	180
3551db50	181	//_____________________________________________________________________________
4d18a639	182	AliTRDSimParam::AliTRDSimParam(const AliTRDSimParam &p)
	183	:TObject(p)
	184	,fGasGain(p.fGasGain)
	185	,fNoise(p.fNoise)
	186	,fChipGain(p.fChipGain)
	187	,fADCoutRange(p.fADCoutRange)
	188	,fADCinRange(p.fADCinRange)
	189	,fADCthreshold(p.fADCthreshold)
	190	,fADCbaseline(p.fADCbaseline)
	191	,fDiffusionOn(p.fDiffusionOn)
	192	,fElAttachOn(p.fElAttachOn)
	193	,fElAttachProp(p.fElAttachProp)
	194	,fTRFOn(p.fTRFOn)
	195	,fTRFsmp(0)
	196	,fTRFbin(p.fTRFbin)
	197	,fTRFlo(p.fTRFlo)
	198	,fTRFhi(p.fTRFhi)
	199	,fTRFwid(p.fTRFwid)
	200	,fCTOn(p.fCTOn)
	201	,fCTsmp(0)
	202	,fAnodeWireOffset(p.fAnodeWireOffset)
	203	,fPadCoupling(p.fPadCoupling)
	204	,fTimeCoupling(p.fTimeCoupling)
	205	,fTimeStructOn(p.fTimeStructOn)
	206	,fPRFOn(p.fPRFOn)
3551db50	207	{
3551db50	208	//
4d18a639	209	// Copy constructor
3551db50	210	//
3551db50	211
4d18a639	212	Int_t iBin = 0;
	213
	214	if (((AliTRDSimParam &) p).fTRFsmp) {
	215	delete [] ((AliTRDSimParam &) p).fTRFsmp;
	216	}
	217	((AliTRDSimParam &) p).fTRFsmp = new Float_t[fTRFbin];
	218	for (iBin = 0; iBin < fTRFbin; iBin++) {
	219	((AliTRDSimParam &) p).fTRFsmp[iBin] = fTRFsmp[iBin];
	220	}
	221
	222	if (((AliTRDSimParam &) p).fCTsmp) {
	223	delete [] ((AliTRDSimParam &) p).fCTsmp;
	224	}
	225	((AliTRDSimParam &) p).fCTsmp = new Float_t[fTRFbin];
	226	for (iBin = 0; iBin < fTRFbin; iBin++) {
	227	((AliTRDSimParam &) p).fCTsmp[iBin] = fCTsmp[iBin];
	228	}
3551db50	229
4d18a639	230	}
3551db50	231
	232	//_____________________________________________________________________________
	233	AliTRDSimParam &AliTRDSimParam::operator=(const AliTRDSimParam &p)
	234	{
	235	//
	236	// Assignment operator
	237	//
	238
	239	if (this != &p) ((AliTRDSimParam &) p).Copy(*this);
4d18a639	240
3551db50	241	return *this;
4d18a639	242
3551db50	243	}
	244
	245	//_____________________________________________________________________________
	246	void AliTRDSimParam::Copy(TObject &p) const
	247	{
	248	//
	249	// Copy function
	250	//
	251
	252	AliTRDSimParam* target = dynamic_cast<AliTRDSimParam*> (&p);
4d18a639	253	if (!target) {
3551db50	254	return;
4d18a639	255	}
3551db50	256
3551db50	257	target->fGasGain = fGasGain;
3551db50	258	target->fNoise = fNoise;
4d18a639	259	target->fChipGain = fChipGain;
3551db50	260	target->fADCoutRange = fADCoutRange;
	261	target->fADCinRange = fADCinRange;
	262	target->fADCthreshold = fADCthreshold;
	263	target->fADCbaseline = fADCbaseline;
3551db50	264	target->fDiffusionOn = fDiffusionOn;
3551db50	265	target->fElAttachOn = fElAttachOn;
3551db50	266	target->fElAttachProp = fElAttachProp;
3551db50	267	target->fTRFOn = fTRFOn;
3551db50	268	target->fTRFbin = fTRFbin;
	269	target->fTRFlo = fTRFlo;
	270	target->fTRFhi = fTRFhi;
	271	target->fTRFwid = fTRFwid;
3551db50	272	target->fCTOn = fCTOn;
4d18a639	273	target->fAnodeWireOffset = fAnodeWireOffset;
	274	target->fPadCoupling = fPadCoupling;
	275	target->fTimeCoupling = fTimeCoupling;
	276	target->fPRFOn = fPRFOn;
	277
	278	if (target->fTRFsmp) {
	279	delete[] target->fTRFsmp;
	280	}
	281	target->fTRFsmp = new Float_t[fTRFbin];
	282	for (Int_t iBin = 0; iBin < fTRFbin; iBin++) {
	283	target->fTRFsmp[iBin] = fTRFsmp[iBin];
	284	}
	285
	286	if (target->fCTsmp) {
3551db50	287	delete[] target->fCTsmp;
4d18a639	288	}
3551db50	289	target->fCTsmp = new Float_t[fTRFbin];
	290	for (Int_t iBin = 0; iBin < fTRFbin; iBin++) {
	291	target->fCTsmp[iBin] = fCTsmp[iBin];
	292	}
	293
3551db50	294	}
	295
	296	//_____________________________________________________________________________
	297	void AliTRDSimParam::ReInit()
	298	{
	299	//
	300	// Reinitializes the parameter class after a change
	301	//
	302
	303	// The range and the binwidth for the sampled TRF
915f999b	304	fTRFbin = 200;
3551db50	305	// Start 0.2 mus before the signal
915f999b	306	fTRFlo = -0.4;
3551db50	307	// End the maximum drift time after the signal
4d18a639	308	fTRFhi = 3.58;
3551db50	309	fTRFwid = (fTRFhi - fTRFlo) / ((Float_t) fTRFbin);
	310
	311	// Create the sampled TRF
	312	SampleTRF();
3551db50	313
4d18a639	314	}
915f999b	315
3551db50	316	//_____________________________________________________________________________
	317	void AliTRDSimParam::SampleTRF()
	318	{
	319	//
915f999b	320	// Samples the new time response function.
	321	// From Antons measurements with Fe55 source, adjusted by C. Lippmann.
	322	// time bins are -0.4, -0.38, -0.36, ...., 3.54, 3.56, 3.58 microseconds
3551db50	323	//
3551db50	324
915f999b	325	const Int_t kNpasa = 200; // kNpasa should be equal to fTRFbin!
915f999b	326
4d18a639	327	Float_t signal[kNpasa]={ 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000, 0.0000
	328	, 0.0002, 0.0007, 0.0026, 0.0089, 0.0253, 0.0612, 0.1319
	329	, 0.2416, 0.3913, 0.5609, 0.7295, 0.8662, 0.9581, 1.0000
	330	, 0.9990, 0.9611, 0.8995, 0.8269, 0.7495, 0.6714, 0.5987
	331	, 0.5334, 0.4756, 0.4249, 0.3811, 0.3433, 0.3110, 0.2837
	332	, 0.2607, 0.2409, 0.2243, 0.2099, 0.1974, 0.1868, 0.1776
	333	, 0.1695, 0.1627, 0.1566, 0.1509, 0.1457, 0.1407, 0.1362
	334	, 0.1317, 0.1274, 0.1233, 0.1196, 0.1162, 0.1131, 0.1102
	335	, 0.1075, 0.1051, 0.1026, 0.1004, 0.0979, 0.0956, 0.0934
	336	, 0.0912, 0.0892, 0.0875, 0.0858, 0.0843, 0.0829, 0.0815
	337	, 0.0799, 0.0786, 0.0772, 0.0757, 0.0741, 0.0729, 0.0718
	338	, 0.0706, 0.0692, 0.0680, 0.0669, 0.0655, 0.0643, 0.0630
	339	, 0.0618, 0.0607, 0.0596, 0.0587, 0.0576, 0.0568, 0.0558
	340	, 0.0550, 0.0541, 0.0531, 0.0522, 0.0513, 0.0505, 0.0497
	341	, 0.0490, 0.0484, 0.0474, 0.0465, 0.0457, 0.0449, 0.0441
	342	, 0.0433, 0.0425, 0.0417, 0.0410, 0.0402, 0.0395, 0.0388
	343	, 0.0381, 0.0374, 0.0368, 0.0361, 0.0354, 0.0348, 0.0342
	344	, 0.0336, 0.0330, 0.0324, 0.0318, 0.0312, 0.0306, 0.0301
	345	, 0.0296, 0.0290, 0.0285, 0.0280, 0.0275, 0.0270, 0.0265
	346	, 0.0260, 0.0256, 0.0251, 0.0246, 0.0242, 0.0238, 0.0233
	347	, 0.0229, 0.0225, 0.0221, 0.0217, 0.0213, 0.0209, 0.0206
	348	, 0.0202, 0.0198, 0.0195, 0.0191, 0.0188, 0.0184, 0.0181
	349	, 0.0178, 0.0175, 0.0171, 0.0168, 0.0165, 0.0162, 0.0159
	350	, 0.0157, 0.0154, 0.0151, 0.0148, 0.0146, 0.0143, 0.0140
	351	, 0.0138, 0.0135, 0.0133, 0.0131, 0.0128, 0.0126, 0.0124
	352	, 0.0121, 0.0119, 0.0120, 0.0115, 0.0113, 0.0111, 0.0109
	353	, 0.0107, 0.0105, 0.0103, 0.0101, 0.0100, 0.0098, 0.0096
	354	, 0.0094, 0.0092, 0.0091, 0.0089, 0.0088, 0.0086, 0.0084
	355	, 0.0083, 0.0081, 0.0080, 0.0078 };
915f999b	356
	357	Float_t xtalk[kNpasa];
	358
4d18a639	359	// With undershoot, positive peak corresponds to ~3% of the main signal:
915f999b	360	for (Int_t ipasa = 3; ipasa < kNpasa; ipasa++) {
4d18a639	361	xtalk[ipasa] = 0.2 * (signal[ipasa-2] - signal[ipasa-3]);
3551db50	362	}
3551db50	363
4d18a639	364	xtalk[0] = 0.0;
	365	xtalk[1] = 0.0;
	366	xtalk[2] = 0.0;
915f999b	367
4d18a639	368	signal[0] = 0.0;
	369	signal[1] = 0.0;
	370	signal[2] = 0.0;
	371
	372	if (fTRFsmp) {
	373	delete [] fTRFsmp;
	374	}
3551db50	375	fTRFsmp = new Float_t[fTRFbin];
4d18a639	376
	377	if (fCTsmp) {
	378	delete [] fCTsmp;
	379	}
3551db50	380	fCTsmp = new Float_t[fTRFbin];
3551db50	381
3551db50	382	for (Int_t iBin = 0; iBin < fTRFbin; iBin++) {
915f999b	383	fTRFsmp[iBin] = signal[iBin];
915f999b	384	fCTsmp[iBin] = xtalk[iBin];
3551db50	385	}
	386
	387	}
	388
	389	//_____________________________________________________________________________
	390	Double_t AliTRDSimParam::TimeResponse(Double_t time) const
	391	{
	392	//
	393	// Applies the preamp shaper time response
915f999b	394	// (We assume a signal rise time of 0.2us = fTRFlo/2.
3551db50	395	//
3551db50	396
4d18a639	397	Int_t iBin = ((Int_t) ((time - fTRFlo/2.0) / fTRFwid));
	398	if ((iBin >= 0) &&
	399	(iBin < fTRFbin)) {
3551db50	400	return fTRFsmp[iBin];
	401	}
	402	else {
	403	return 0.0;
	404	}
	405
	406	}
	407
	408	//_____________________________________________________________________________
	409	Double_t AliTRDSimParam::CrossTalk(Double_t time) const
	410	{
	411	//
	412	// Applies the pad-pad capacitive cross talk
	413	//
	414
	415	Int_t iBin = ((Int_t) ((time - fTRFlo) / fTRFwid));
4d18a639	416	if ((iBin >= 0) &&
4d18a639	417	(iBin < fTRFbin)) {
3551db50	418	return fCTsmp[iBin];
	419	}
	420	else {
	421	return 0.0;
	422	}
	423
	424	}