[u/mrichter/AliRoot.git] / TOF / AliTOFSDigit.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.                  * 
 **************************************************************************/

/* $Id$ */

//_________________________________________________________________________//
//                                                                         //
//  TOF sdigit: member variables                                           //
//  fSector  : TOF sector                                                  //
//  fPlate   : TOF plate                                                   //
//  fStrip   : strips number                                               //
//  fPadx    : pad number along x                                          //
//  fPadz    : pad number along z                                          //
//  fTdc     : TArrayI of TDC values                                       //
//  fAdc     : TArrayI of ADC values                                       //
//                                                                         //
//  Getters, setters and member functions  defined here                    //
//                                                                         //
// -- Authors: F. Pierella, A. Seganti, D. Vicinanza                       //
//_________________________________________________________________________//

#include "AliTOFGeometry.h"
#include "AliTOFSDigit.h"

ClassImp(AliTOFSDigit)

////////////////////////////////////////////////////////////////////////
AliTOFSDigit::AliTOFSDigit():
  fSector(-1),
  fPlate(-1),
  fStrip(-1),
  fPadx(-1),
  fPadz(-1),
  fNDigits(0),
  fTdc(0x0),
  fAdc(0x0),
  fTracks(0x0)
{
  //
  // default ctor
  //
}

////////////////////////////////////////////////////////////////////////
AliTOFSDigit::AliTOFSDigit(Int_t tracknum, Int_t *vol,Int_t *digit):
  TObject(),
  fSector(-1),
  fPlate(-1),
  fStrip(-1),
  fPadx(-1),
  fPadz(-1),
  fNDigits(0),
  fTdc(0x0),
  fAdc(0x0),
  fTracks(0x0)
{
  //
  // Constructor of digit object
  //

  fSector = vol[0];
  fPlate  = vol[1];
  fStrip  = vol[2];
  fPadx   = vol[3];
  fPadz   = vol[4];
  fNDigits = 1;
  fTdc = new TArrayI(fNDigits);
  (*fTdc)[0] = digit[0];
  fAdc = new TArrayI(fNDigits);
  (*fAdc)[0] = digit[1];
  fTracks = new TArrayI(kMAXDIGITS*fNDigits);
  (*fTracks)[0] = tracknum;
  for (Int_t i = 1; i <kMAXDIGITS*fNDigits; i++) {
    (*fTracks)[i] = -1;
  }
}

////////////////////////////////////////////////////////////////////////
AliTOFSDigit::AliTOFSDigit(const AliTOFSDigit & digit):
  TObject(digit),
  fSector(digit.fSector),
  fPlate(digit.fPlate),
  fStrip(digit.fStrip),
  fPadx(digit.fPadx),
  fPadz(digit.fPadz),
  fNDigits(digit.fNDigits),
  fTdc(0x0),
  fAdc(0x0),
  fTracks(0x0)
{
  // 
  // copy ctor for AliTOFSDigit object
  //
  fTdc = new TArrayI(*digit.fTdc);  
  fAdc = new TArrayI(*digit.fAdc);
  fTracks = new TArrayI(*digit.fTracks);
}

////////////////////////////////////////////////////////////////////////
AliTOFSDigit& AliTOFSDigit::operator=(const AliTOFSDigit & digit)
{
  // 
  // copy ctor for AliTOFSDigit object
  //

  if (this == &digit)
    return *this;

  TObject::operator=(digit);
  fSector = digit.fSector;
  fPlate  = digit.fPlate;
  fStrip  = digit.fStrip;
  fPadx   = digit.fPadx;
  fPadz   = digit.fPadz;
  fNDigits = digit.fNDigits;
  fTdc = digit.fTdc;
  fAdc = digit.fAdc;
  fTracks = digit.fTracks;
  return *this;

}

////////////////////////////////////////////////////////////////////////
AliTOFSDigit::AliTOFSDigit(Int_t sector, Int_t plate, Int_t strip, Int_t padx,
			   Int_t padz, Int_t tdc, Int_t adc):
  fSector(sector),
  fPlate(plate),
  fStrip(strip),
  fPadx(padx),
  fPadz(padz),
  fNDigits(1),
  fTdc(0x0),
  fAdc(0x0),
  fTracks(0x0)
{
  //
  // Constructor for sdigit
  //
  fTdc = new TArrayI(fNDigits);
  (*fTdc)[0] = tdc;   
  fAdc = new TArrayI(fNDigits);
  (*fAdc)[0] = adc;   
  // no tracks were specified, set them to -1
  fTracks = new TArrayI(kMAXDIGITS*fNDigits);
  for (Int_t i = 0; i <kMAXDIGITS*fNDigits; i++) {
    (*fTracks)[i] = -1;
  }
}

////////////////////////////////////////////////////////////////////////
void AliTOFSDigit::GetLocation(Int_t *Loc) const
{
  //
  // Get the coordinates of the digit
  // in terms of Sector - Plate - Strip - Pad
  //
  
  Loc[0]=fSector;
  Loc[1]=fPlate;
  Loc[2]=fStrip;
  Loc[3]=fPadx;
  Loc[4]=fPadz;
}

////////////////////////////////////////////////////////////////////////
void AliTOFSDigit::Update(Float_t tdcbin, Int_t tdc, Int_t adc, Int_t track)
{
  //
  // Add charge and track
  //
  
  Int_t sameTime = -1;
  Float_t tdcwindow = AliTOFGeometry::DeadTime()/tdcbin;
  for (Int_t i = 0; i < fNDigits; i++) {
    if (TMath::Abs(tdc-fTdc->At(i)) < tdcwindow) {
      sameTime = i;
      break;
    }
  }
  
  if (sameTime >= 0) { // another time measurement happens during the
		       // dead time of the hit pad => it corresponds
		       // to the same time measurement
    (*fAdc)[sameTime] += adc;

    // update track index array in case the current digit track index
    // is different from -1
    if (track!=-1) {

      //Find the first -1 value of the track index array and replace
      //it by the current digit track index
      for (Int_t iTrack=0; iTrack<kMAXDIGITS; iTrack++) {
	if (track==(*fTracks)[sameTime*kMAXDIGITS+iTrack]) break;
	if ((*fTracks)[sameTime*kMAXDIGITS+iTrack] == -1) {
	  (*fTracks)[sameTime*kMAXDIGITS+iTrack] = track;
	  break;
	}
	// write warning about many tracks going to this pad
	if (iTrack == kMAXDIGITS-1) {
	  printf("W-AliTOFSDigit::Update: Many different tracks in the same TOF pad (%2d %1d %2d %1d %2d)\n",
		 fSector,fPlate,fStrip,fPadz,fPadx);
	  //ToAliWarning(PrintPad());
	}
      }
    }

  } else { // they are two different time measurements

    // add new time slot
    fNDigits++;
    fTdc->Set(fNDigits);
    (*fTdc)[fNDigits-1] = tdc;
    fAdc->Set(fNDigits);
    (*fAdc)[fNDigits-1] = adc;
    fTracks->Set(fNDigits*kMAXDIGITS);
    (*fTracks)[(fNDigits-1)*kMAXDIGITS] = track;
    for (Int_t i = 1; i <kMAXDIGITS; i++)
      (*fTracks)[(fNDigits-1)*kMAXDIGITS+i] = -1;

  }
  
}

////////////////////////////////////////////////////////////////////////
void AliTOFSDigit::Update(AliTOFSDigit* sdig)
{

  //
  // Perform the sum with sdig
  //

  Float_t tdcbin = AliTOFGeometry::TdcBinWidth();// [ps] hardwired for the time being

  Int_t track = -1;
  Int_t adc = -1;
  Int_t tdc = -1;

  // start loop on all sdig locations
  Int_t nlocations = sdig->GetNDigits();
  for (Int_t j = 0; j < nlocations; j++) {
    tdc = (Int_t)sdig->GetTdc(j);
    adc = (Int_t)sdig->GetAdc(j);

    // getting here only the first track number
    //Int_t track = GetTrack(j,0);

    // getting here all the track numbers
    for (Int_t iTrack = 0; iTrack<kMAXDIGITS; iTrack++) {
      track = sdig->GetTrack(j,iTrack);
      Update(tdcbin, tdc, adc, track);
    } // end loop on tracks

  } // end loop on sdig locations


}

////////////////////////////////////////////////////////////////////////
AliTOFSDigit::~AliTOFSDigit()
{
  //
  // dtor
  //
  delete fTdc;
  delete fAdc;
  delete fTracks;
}

////////////////////////////////////////////////////////////////////////

Int_t AliTOFSDigit::GetTotPad() const
{
  //
  // Get the "total" index of the pad inside a Sector
  // starting from the digits data.
  //
  
  Int_t pad = AliTOFGeometry::NpadZ()*fPadx + fPadz;
  Int_t before=0;
  
  switch(fPlate){ 
  case 0:
    //before = 0;
    break;
  case 1:
    before = AliTOFGeometry::NStripC();
    break;
  case 2:
    before = AliTOFGeometry::NStripB() +   AliTOFGeometry::NStripC();
    break;
  case 3:
    before = AliTOFGeometry::NStripA() +   AliTOFGeometry::NStripB() + AliTOFGeometry::NStripC();
    break;
  case 4:
    before = AliTOFGeometry::NStripA() + 2*AliTOFGeometry::NStripB() + AliTOFGeometry::NStripC();
    break;
  }
  
  Int_t strip = fStrip + before;
  Int_t padTot = AliTOFGeometry::NpadXStrip()*strip + pad;
  return padTot;
}
Commit	Line	Data
	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
	18	//_________________________________________________________________________//
	19	// //
	20	// TOF sdigit: member variables //
	21	// fSector : TOF sector //
	22	// fPlate : TOF plate //
	23	// fStrip : strips number //
	24	// fPadx : pad number along x //
	25	// fPadz : pad number along z //
	26	// fTdc : TArrayI of TDC values //
	27	// fAdc : TArrayI of ADC values //
	28	// //
	29	// Getters, setters and member functions defined here //
	30	// //
	31	// -- Authors: F. Pierella, A. Seganti, D. Vicinanza //
	32	//_________________________________________________________________________//
	33
	34	#include "AliTOFGeometry.h"
	35	#include "AliTOFSDigit.h"
	36
	37	ClassImp(AliTOFSDigit)
	38
	39	////////////////////////////////////////////////////////////////////////
	40	AliTOFSDigit::AliTOFSDigit():
	41	fSector(-1),
	42	fPlate(-1),
	43	fStrip(-1),
	44	fPadx(-1),
	45	fPadz(-1),
	46	fNDigits(0),
	47	fTdc(0x0),
	48	fAdc(0x0),
	49	fTracks(0x0)
	50	{
	51	//
	52	// default ctor
	53	//
	54	}
	55
	56	////////////////////////////////////////////////////////////////////////
	57	AliTOFSDigit::AliTOFSDigit(Int_t tracknum, Int_t vol,Int_t digit):
	58	TObject(),
	59	fSector(-1),
	60	fPlate(-1),
	61	fStrip(-1),
	62	fPadx(-1),
	63	fPadz(-1),
	64	fNDigits(0),
	65	fTdc(0x0),
	66	fAdc(0x0),
	67	fTracks(0x0)
	68	{
	69	//
	70	// Constructor of digit object
	71	//
	72
	73	fSector = vol[0];
	74	fPlate = vol[1];
	75	fStrip = vol[2];
	76	fPadx = vol[3];
	77	fPadz = vol[4];
	78	fNDigits = 1;
	79	fTdc = new TArrayI(fNDigits);
	80	(*fTdc)[0] = digit[0];
	81	fAdc = new TArrayI(fNDigits);
	82	(*fAdc)[0] = digit[1];
	83	fTracks = new TArrayI(kMAXDIGITS*fNDigits);
	84	(*fTracks)[0] = tracknum;
	85	for (Int_t i = 1; i <kMAXDIGITS*fNDigits; i++) {
	86	(*fTracks)[i] = -1;
	87	}
	88	}
	89
	90	////////////////////////////////////////////////////////////////////////
	91	AliTOFSDigit::AliTOFSDigit(const AliTOFSDigit & digit):
	92	TObject(digit),
	93	fSector(digit.fSector),
	94	fPlate(digit.fPlate),
	95	fStrip(digit.fStrip),
	96	fPadx(digit.fPadx),
	97	fPadz(digit.fPadz),
	98	fNDigits(digit.fNDigits),
	99	fTdc(0x0),
	100	fAdc(0x0),
	101	fTracks(0x0)
	102	{
	103	//
	104	// copy ctor for AliTOFSDigit object
	105	//
	106	fTdc = new TArrayI(*digit.fTdc);
	107	fAdc = new TArrayI(*digit.fAdc);
	108	fTracks = new TArrayI(*digit.fTracks);
	109	}
	110
	111	////////////////////////////////////////////////////////////////////////
	112	AliTOFSDigit& AliTOFSDigit::operator=(const AliTOFSDigit & digit)
	113	{
	114	//
	115	// copy ctor for AliTOFSDigit object
	116	//
	117
	118	if (this == &digit)
	119	return *this;
	120
	121	TObject::operator=(digit);
	122	fSector = digit.fSector;
	123	fPlate = digit.fPlate;
	124	fStrip = digit.fStrip;
	125	fPadx = digit.fPadx;
	126	fPadz = digit.fPadz;
	127	fNDigits = digit.fNDigits;
	128	fTdc = digit.fTdc;
	129	fAdc = digit.fAdc;
	130	fTracks = digit.fTracks;
	131	return *this;
	132
	133	}
	134
	135	////////////////////////////////////////////////////////////////////////
	136	AliTOFSDigit::AliTOFSDigit(Int_t sector, Int_t plate, Int_t strip, Int_t padx,
	137	Int_t padz, Int_t tdc, Int_t adc):
	138	fSector(sector),
	139	fPlate(plate),
	140	fStrip(strip),
	141	fPadx(padx),
	142	fPadz(padz),
	143	fNDigits(1),
	144	fTdc(0x0),
	145	fAdc(0x0),
	146	fTracks(0x0)
	147	{
	148	//
	149	// Constructor for sdigit
	150	//
	151	fTdc = new TArrayI(fNDigits);
	152	(*fTdc)[0] = tdc;
	153	fAdc = new TArrayI(fNDigits);
	154	(*fAdc)[0] = adc;
	155	// no tracks were specified, set them to -1
	156	fTracks = new TArrayI(kMAXDIGITS*fNDigits);
	157	for (Int_t i = 0; i <kMAXDIGITS*fNDigits; i++) {
	158	(*fTracks)[i] = -1;
	159	}
	160	}
	161
	162	////////////////////////////////////////////////////////////////////////
	163	void AliTOFSDigit::GetLocation(Int_t *Loc) const
	164	{
	165	//
	166	// Get the coordinates of the digit
	167	// in terms of Sector - Plate - Strip - Pad
	168	//
	169
	170	Loc[0]=fSector;
	171	Loc[1]=fPlate;
	172	Loc[2]=fStrip;
	173	Loc[3]=fPadx;
	174	Loc[4]=fPadz;
	175	}
	176
	177	////////////////////////////////////////////////////////////////////////
	178	void AliTOFSDigit::Update(Float_t tdcbin, Int_t tdc, Int_t adc, Int_t track)
	179	{
	180	//
	181	// Add charge and track
	182	//
	183
	184	Int_t sameTime = -1;
	185	Float_t tdcwindow = AliTOFGeometry::DeadTime()/tdcbin;
	186	for (Int_t i = 0; i < fNDigits; i++) {
	187	if (TMath::Abs(tdc-fTdc->At(i)) < tdcwindow) {
	188	sameTime = i;
	189	break;
	190	}
	191	}
	192
	193	if (sameTime >= 0) { // another time measurement happens during the
	194	// dead time of the hit pad => it corresponds
	195	// to the same time measurement
	196	(*fAdc)[sameTime] += adc;
	197
	198	// update track index array in case the current digit track index
	199	// is different from -1
	200	if (track!=-1) {
	201
	202	//Find the first -1 value of the track index array and replace
	203	//it by the current digit track index
	204	for (Int_t iTrack=0; iTrack<kMAXDIGITS; iTrack++) {
	205	if (track==(fTracks)[sameTimekMAXDIGITS+iTrack]) break;
	206	if ((fTracks)[sameTimekMAXDIGITS+iTrack] == -1) {
	207	(fTracks)[sameTimekMAXDIGITS+iTrack] = track;
	208	break;
	209	}
	210	// write warning about many tracks going to this pad
	211	if (iTrack == kMAXDIGITS-1) {
	212	printf("W-AliTOFSDigit::Update: Many different tracks in the same TOF pad (%2d %1d %2d %1d %2d)\n",
	213	fSector,fPlate,fStrip,fPadz,fPadx);
	214	//ToAliWarning(PrintPad());
	215	}
	216	}
	217	}
	218
	219	} else { // they are two different time measurements
	220
	221	// add new time slot
	222	fNDigits++;
	223	fTdc->Set(fNDigits);
	224	(*fTdc)[fNDigits-1] = tdc;
	225	fAdc->Set(fNDigits);
	226	(*fAdc)[fNDigits-1] = adc;
	227	fTracks->Set(fNDigits*kMAXDIGITS);
	228	(fTracks)[(fNDigits-1)kMAXDIGITS] = track;
	229	for (Int_t i = 1; i <kMAXDIGITS; i++)
	230	(fTracks)[(fNDigits-1)kMAXDIGITS+i] = -1;
	231
	232	}
	233
	234	}
	235
	236	////////////////////////////////////////////////////////////////////////
	237	void AliTOFSDigit::Update(AliTOFSDigit* sdig)
	238	{
	239
	240	//
	241	// Perform the sum with sdig
	242	//
	243
	244	Float_t tdcbin = AliTOFGeometry::TdcBinWidth();// [ps] hardwired for the time being
	245
	246	Int_t track = -1;
	247	Int_t adc = -1;
	248	Int_t tdc = -1;
	249
	250	// start loop on all sdig locations
	251	Int_t nlocations = sdig->GetNDigits();
	252	for (Int_t j = 0; j < nlocations; j++) {
	253	tdc = (Int_t)sdig->GetTdc(j);
	254	adc = (Int_t)sdig->GetAdc(j);
	255
	256	// getting here only the first track number
	257	//Int_t track = GetTrack(j,0);
	258
	259	// getting here all the track numbers
	260	for (Int_t iTrack = 0; iTrack<kMAXDIGITS; iTrack++) {
	261	track = sdig->GetTrack(j,iTrack);
	262	Update(tdcbin, tdc, adc, track);
	263	} // end loop on tracks
	264
	265	} // end loop on sdig locations
	266
	267
	268	}
	269
	270	////////////////////////////////////////////////////////////////////////
	271	AliTOFSDigit::~AliTOFSDigit()
	272	{
	273	//
	274	// dtor
	275	//
	276	delete fTdc;
	277	delete fAdc;
	278	delete fTracks;
	279	}
	280
	281	////////////////////////////////////////////////////////////////////////
	282
	283	Int_t AliTOFSDigit::GetTotPad() const
	284	{
	285	//
	286	// Get the "total" index of the pad inside a Sector
	287	// starting from the digits data.
	288	//
	289
	290	Int_t pad = AliTOFGeometry::NpadZ()*fPadx + fPadz;
	291	Int_t before=0;
	292
	293	switch(fPlate){
	294	case 0:
	295	//before = 0;
	296	break;
	297	case 1:
	298	before = AliTOFGeometry::NStripC();
	299	break;
	300	case 2:
	301	before = AliTOFGeometry::NStripB() + AliTOFGeometry::NStripC();
	302	break;
	303	case 3:
	304	before = AliTOFGeometry::NStripA() + AliTOFGeometry::NStripB() + AliTOFGeometry::NStripC();
	305	break;
	306	case 4:
	307	before = AliTOFGeometry::NStripA() + 2*AliTOFGeometry::NStripB() + AliTOFGeometry::NStripC();
	308	break;
	309	}
	310
	311	Int_t strip = fStrip + before;
	312	Int_t padTot = AliTOFGeometry::NpadXStrip()*strip + pad;
	313	return padTot;
	314	}