[u/mrichter/AliRoot.git] / STEER / STEERBase / AliTRDPIDParams.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.                  *
**************************************************************************/
//
// Container for TRD Threshold parameters stored in the OADB
//
// Author: Markus Fasel <M.Fasel@gsi.de>
//
#include <TList.h>
#include <TMath.h>
#include <TSortedList.h>

#include "AliLog.h"

#include "AliTRDPIDParams.h"

ClassImp(AliTRDPIDParams)
//ClassImp(AliTRDPIDParams::AliTRDPIDThresholds)
//ClassImp(AliTRDPIDParams::AliTRDPIDCentrality)

const Double_t AliTRDPIDParams::kVerySmall = 1e-5;

//____________________________________________________________
AliTRDPIDParams::AliTRDPIDParams():
  TNamed(),
  fEntries(NULL)
{
  //
  // Dummy constructor
  //
}

//____________________________________________________________
AliTRDPIDParams::AliTRDPIDParams(const char *name) :
  TNamed(name, ""),
  fEntries(NULL)
{
  //
  // Default constructor
  //
  fEntries = new TList;
}

//____________________________________________________________
AliTRDPIDParams::AliTRDPIDParams(const AliTRDPIDParams &ref):
TNamed(ref),
fEntries(NULL)
{
    //
    // Copy constructor
    //

    fEntries=(TList*)ref.fEntries->Clone();
}

//____________________________________________________________
AliTRDPIDParams::~AliTRDPIDParams(){
  //
  // Destructor
  //
  delete fEntries;
}

//____________________________________________________________
void AliTRDPIDParams::AddCentralityClass(Double_t minCentrality, Double_t maxCentrality){
  // 
  // Add new centrality class
  //
  
  // check whether centrality class already exists
  AliTRDPIDCentrality *checklow = FindCentrality(minCentrality + 0.01),
                      *checkhigh = FindCentrality(maxCentrality - 0.01);

  if(!checklow && ! checkhigh)
    fEntries->Add(new AliTRDPIDCentrality(minCentrality, maxCentrality));
}

//____________________________________________________________ 
AliTRDPIDParams::AliTRDPIDCentrality *AliTRDPIDParams::FindCentrality(Double_t val) const {
  //
  // Find centrality bin
  //
  TIter centralities(fEntries);
  AliTRDPIDCentrality *obj(NULL), *tmp(NULL);
  while((obj = dynamic_cast<AliTRDPIDCentrality *>(centralities()))){
    if(val >= obj->GetMinCentrality() && val <= obj->GetMaxCentrality()){
      tmp = obj;
      break;
    }
  }
  return tmp;
}

//____________________________________________________________
Bool_t AliTRDPIDParams::GetThresholdParameters(Int_t ntracklets, Double_t efficiency, Double_t *params, Double_t centrality) const{
  //
  // Retrieve params
  // Use IsEqual definition
  //
  AliTRDPIDCentrality *cent = FindCentrality(centrality);
  if(!cent){
    AliDebug(1, "Centrality class not available");
    return kFALSE;
  }
  cent->GetThresholdParameters(ntracklets, efficiency, params);
  return kTRUE;
}

//____________________________________________________________
void AliTRDPIDParams::SetThresholdParameters(Int_t ntracklets, Double_t effMin, Double_t effMax, Double_t *params, Double_t centrality){
  //
  // Set new threshold parameters
  //
  AliTRDPIDCentrality *cent = FindCentrality(centrality);
  if(cent) cent->SetThresholdParameters(ntracklets, effMin, effMax, params);
  else AliDebug(1, "Centrality class not available");
}

//____________________________________________________________
void AliTRDPIDParams::Print(Option_t *) const {
  TIter centIter(fEntries);
  AliTRDPIDCentrality *cent;
  while((cent = dynamic_cast<AliTRDPIDCentrality *>(centIter()))) cent->Print(NULL);
}

//____________________________________________________________
AliTRDPIDParams::AliTRDPIDThresholds::AliTRDPIDThresholds():
  TObject(),
  fNTracklets(0)
{
   // 
   // Default constructor
   //
   memset(fParams, 0, sizeof(Double_t) * 4);
   memset(fEfficiency, 0, sizeof(Double_t) * 2);
}

//____________________________________________________________
AliTRDPIDParams::AliTRDPIDThresholds::AliTRDPIDThresholds(Int_t nTracklets, Double_t effMin, Double_t effMax, Double_t *params) :
  TObject(),
  fNTracklets(nTracklets)
{
  //
  // Default Constructor 
  //
  fEfficiency[0] = effMin;
  fEfficiency[1] = effMax;  
  if(params) memcpy(fParams, params, sizeof(Double_t) * 4);
  else memset(fParams, 0, sizeof(Double_t) * 4);
}

//____________________________________________________________
AliTRDPIDParams::AliTRDPIDThresholds::AliTRDPIDThresholds(Int_t nTracklets, Double_t eff, Double_t *params) :
  TObject(),
  fNTracklets(nTracklets)
{
  //
  // Constructor used to find object in sorted list
  //
  fEfficiency[0] = fEfficiency[1] = eff;  
  if(params) memcpy(fParams, params, sizeof(Double_t) * 4);
  else memset(fParams, 0, sizeof(Double_t) * 4);
}

//____________________________________________________________
AliTRDPIDParams::AliTRDPIDThresholds::AliTRDPIDThresholds(const AliTRDPIDThresholds &ref) :
  TObject(ref),
  fNTracklets(ref.fNTracklets)
{
  //
  // Copy constructor
  //
  memcpy(fParams, ref.fParams, sizeof(Double_t) * 4);
  memcpy(fEfficiency, ref.fEfficiency, sizeof(Double_t) * 2);
}

//____________________________________________________________
AliTRDPIDParams::AliTRDPIDThresholds &AliTRDPIDParams::AliTRDPIDThresholds::operator=(const AliTRDPIDThresholds &ref){
  //
  // Assignment operator
  //
  if(&ref == this) return *this;

  TObject::operator=(ref);

  fNTracklets = ref.fNTracklets;
  memcpy(fEfficiency, ref.fEfficiency, sizeof(Double_t) * 2);
  memcpy(fParams, ref.fParams, sizeof(Double_t) * 4);
  return *this;
}
        
//____________________________________________________________
Int_t AliTRDPIDParams::AliTRDPIDThresholds::Compare(const TObject *ref) const{
  //
  // Compares two objects
  // Order:
  //   First compare number of tracklets, if they are equal compare electron efficiency
  //
  const AliTRDPIDThresholds *refObj = static_cast<const AliTRDPIDThresholds *>(ref);
  if(fNTracklets < refObj->GetNTracklets()) return -1;
  else if(fNTracklets > refObj->GetNTracklets()) return 1;
  else{
    if(fEfficiency[1] < refObj->GetElectronEfficiency(0)) return -1;
    else if(fEfficiency[0] > refObj->GetElectronEfficiency(1)) return 1;
    else return 0;
  }
}

//____________________________________________________________
Bool_t AliTRDPIDParams::AliTRDPIDThresholds::IsEqual(const TObject *ref) const {
  //
  // Check for equality 
  // Tracklets and Efficiency are used
  //
  const AliTRDPIDThresholds *refObj = dynamic_cast<const AliTRDPIDThresholds *>(ref);
  if(!refObj) return kFALSE;
  Bool_t eqNTracklets = fNTracklets == refObj->GetNTracklets();
  Bool_t eqEff = kFALSE;
  Bool_t hasRange = TMath::Abs(fEfficiency[1] - fEfficiency[0]) > kVerySmall;
  Bool_t hasRangeRef = TMath::Abs(refObj->GetElectronEfficiency(1) - refObj->GetElectronEfficiency(0)) > kVerySmall;
  if(hasRange && hasRangeRef){
    // Both have ranges, check if they match
    eqEff = TMath::Abs(fEfficiency[0] - refObj->GetElectronEfficiency(0)) < kVerySmall && TMath::Abs(fEfficiency[1] - refObj->GetElectronEfficiency(1)) < kVerySmall;
  } else if(hasRange){
    // this object has ranges, check if the efficiency of ref is inside the range
    eqEff = refObj->GetElectronEfficiency(0) >= fEfficiency[0] && refObj->GetElectronEfficiency(0) < fEfficiency[1];
  } else {
    // ref has ranges, check if this is in range
    eqEff = fEfficiency[0] >= refObj->GetElectronEfficiency(0) && fEfficiency[0] < refObj->GetElectronEfficiency(1);
  }
  
  return  eqNTracklets && eqEff;
}

//____________________________________________________________
AliTRDPIDParams::AliTRDPIDCentrality::AliTRDPIDCentrality():
  fEntries(NULL),
  fMinCentrality(-1.),
  fMaxCentrality(-1.)
{
  //
  // Dummy constructor
  //
}

//____________________________________________________________
AliTRDPIDParams::AliTRDPIDCentrality::AliTRDPIDCentrality(Double_t minCentrality, Double_t maxCentrality):
  fEntries(NULL),
  fMinCentrality(minCentrality),
  fMaxCentrality(maxCentrality)
{
  //
  // Default constructor
  //
  fEntries = new TSortedList;
  fEntries->SetOwner();
}

//____________________________________________________________
AliTRDPIDParams::AliTRDPIDCentrality::AliTRDPIDCentrality(const AliTRDPIDParams::AliTRDPIDCentrality &ref):
TObject(),
fEntries(NULL),
  fMinCentrality(ref.fMinCentrality),
  fMaxCentrality(ref.fMaxCentrality)
{
  //
  // Copy constructor
  //
  fEntries = new TSortedList;
  // Coply entries to the new list
  TIter entries(ref.fEntries);
  TObject *o;
  while((o = entries())) fEntries->Add(o);
}

//____________________________________________________________
AliTRDPIDParams::AliTRDPIDCentrality &AliTRDPIDParams::AliTRDPIDCentrality::operator=(const AliTRDPIDCentrality &ref){
  //
  // Assignment operator
  //
  if(&ref != this){
    if(fEntries) delete fEntries;
    fEntries = new TSortedList;
    TIter entries(ref.fEntries);
    TObject *o;
    while((o = entries())) fEntries->Add(o);
    fMinCentrality = ref.fMinCentrality;
    fMaxCentrality = ref.fMaxCentrality;
  }
  return *this;
}

//____________________________________________________________
AliTRDPIDParams::AliTRDPIDCentrality::~AliTRDPIDCentrality(){
  //
  // Destructor
  //
  if(fEntries) delete fEntries;
}

//____________________________________________________________
Bool_t AliTRDPIDParams::AliTRDPIDCentrality::GetThresholdParameters(Int_t ntracklets, Double_t efficiency, Double_t *params) const{
  // 
  // Get the threshold parameters
  //
  AliTRDPIDThresholds test(ntracklets, efficiency);
  TObject *result = fEntries->FindObject(&test);
  if(!result){ 
    AliDebug(1, Form("No threshold params found for %d tracklets and an electron efficiency of %f", ntracklets, efficiency));
    return kFALSE;
  }
  AliTRDPIDThresholds *parResult = static_cast<AliTRDPIDThresholds *>(result);
  AliDebug(1, Form("Threshold params found: NTracklets %d, Electron Efficiency %f", parResult->GetNTracklets(), parResult->GetElectronEfficiency()));
  memcpy(params, parResult->GetThresholdParams(), sizeof(Double_t) * 4);
  return kTRUE;
}

//____________________________________________________________
void AliTRDPIDParams::AliTRDPIDCentrality::SetThresholdParameters(Int_t ntracklets, Double_t effMin, Double_t effMax, Double_t *params){
  // 
  // Store new Params in the Object
  //
  if(effMin > effMax){
    AliError("Min. efficiency has to be >= max. efficiency");
    return;
  }
  AliDebug(1, Form("Save Parameters for %d tracklets at and electron efficiency of [%f|%f]", ntracklets, effMin, effMax));
  fEntries->Add(new AliTRDPIDThresholds(ntracklets, effMin, effMax, params));
}

//____________________________________________________________
void AliTRDPIDParams::AliTRDPIDCentrality::Print(Option_t *) const {
  printf("Min. Centrality: %f, Max. Centrality: %f\n", fMinCentrality, fMaxCentrality);
  printf("Available thresholds:\n");
  printf("_________________________________________\n");
  TIter objects(fEntries);
  AliTRDPIDThresholds *par;
  while((par = dynamic_cast<AliTRDPIDThresholds *>(objects()))){
    printf("Number of tracklets %d, Electron efficiency %f\n", par->GetNTracklets(), 0.5*(par->GetElectronEfficiency(0)+par->GetElectronEfficiency(1)));
  }
}
Commit	Line	Data
ce487a7f	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	// Container for TRD Threshold parameters stored in the OADB
	17	//
	18	// Author: Markus Fasel <M.Fasel@gsi.de>
	19	//
bd58d4b9	20	#include <TList.h>
ce487a7f	21	#include <TMath.h>
	22	#include <TSortedList.h>
	23
	24	#include "AliLog.h"
	25
	26	#include "AliTRDPIDParams.h"
	27
	28	ClassImp(AliTRDPIDParams)
bd58d4b9	29	//ClassImp(AliTRDPIDParams::AliTRDPIDThresholds)
bd58d4b9	30	//ClassImp(AliTRDPIDParams::AliTRDPIDCentrality)
ce487a7f	31
	32	const Double_t AliTRDPIDParams::kVerySmall = 1e-5;
	33
	34	//____________________________________________________________
	35	AliTRDPIDParams::AliTRDPIDParams():
	36	TNamed(),
	37	fEntries(NULL)
	38	{
	39	//
	40	// Dummy constructor
	41	//
	42	}
	43
	44	//____________________________________________________________
	45	AliTRDPIDParams::AliTRDPIDParams(const char *name) :
	46	TNamed(name, ""),
	47	fEntries(NULL)
	48	{
	49	//
	50	// Default constructor
	51	//
bd58d4b9	52	fEntries = new TList;
ce487a7f	53	}
ce487a7f	54
db0e2c5f	55	//____________________________________________________________
	56	AliTRDPIDParams::AliTRDPIDParams(const AliTRDPIDParams &ref):
	57	TNamed(ref),
	58	fEntries(NULL)
	59	{
	60	//
	61	// Copy constructor
	62	//
	63
bd58d4b9	64	fEntries=(TList*)ref.fEntries->Clone();
db0e2c5f	65	}
db0e2c5f	66
ce487a7f	67	//____________________________________________________________
	68	AliTRDPIDParams::~AliTRDPIDParams(){
	69	//
	70	// Destructor
	71	//
	72	delete fEntries;
	73	}
	74
	75	//____________________________________________________________
bd58d4b9	76	void AliTRDPIDParams::AddCentralityClass(Double_t minCentrality, Double_t maxCentrality){
	77	//
	78	// Add new centrality class
	79	//
	80
	81	// check whether centrality class already exists
	82	AliTRDPIDCentrality *checklow = FindCentrality(minCentrality + 0.01),
	83	*checkhigh = FindCentrality(maxCentrality - 0.01);
	84
	85	if(!checklow && ! checkhigh)
	86	fEntries->Add(new AliTRDPIDCentrality(minCentrality, maxCentrality));
	87	}
	88
	89	//____________________________________________________________
	90	AliTRDPIDParams::AliTRDPIDCentrality *AliTRDPIDParams::FindCentrality(Double_t val) const {
	91	//
	92	// Find centrality bin
	93	//
	94	TIter centralities(fEntries);
	95	AliTRDPIDCentrality obj(NULL), tmp(NULL);
	96	while((obj = dynamic_cast<AliTRDPIDCentrality *>(centralities()))){
	97	if(val >= obj->GetMinCentrality() && val <= obj->GetMaxCentrality()){
	98	tmp = obj;
	99	break;
	100	}
	101	}
	102	return tmp;
	103	}
	104
	105	//____________________________________________________________
	106	Bool_t AliTRDPIDParams::GetThresholdParameters(Int_t ntracklets, Double_t efficiency, Double_t *params, Double_t centrality) const{
ce487a7f	107	//
	108	// Retrieve params
	109	// Use IsEqual definition
	110	//
bd58d4b9	111	AliTRDPIDCentrality *cent = FindCentrality(centrality);
	112	if(!cent){
	113	AliDebug(1, "Centrality class not available");
ce487a7f	114	return kFALSE;
ce487a7f	115	}
bd58d4b9	116	cent->GetThresholdParameters(ntracklets, efficiency, params);
ce487a7f	117	return kTRUE;
	118	}
	119
	120	//____________________________________________________________
bd58d4b9	121	void AliTRDPIDParams::SetThresholdParameters(Int_t ntracklets, Double_t effMin, Double_t effMax, Double_t *params, Double_t centrality){
ce487a7f	122	//
bd58d4b9	123	// Set new threshold parameters
	124	//
	125	AliTRDPIDCentrality *cent = FindCentrality(centrality);
	126	if(cent) cent->SetThresholdParameters(ntracklets, effMin, effMax, params);
	127	else AliDebug(1, "Centrality class not available");
ce487a7f	128	}
	129
	130	//____________________________________________________________
	131	void AliTRDPIDParams::Print(Option_t *) const {
bd58d4b9	132	TIter centIter(fEntries);
	133	AliTRDPIDCentrality *cent;
	134	while((cent = dynamic_cast<AliTRDPIDCentrality *>(centIter()))) cent->Print(NULL);
ce487a7f	135	}
	136
	137	//____________________________________________________________
	138	AliTRDPIDParams::AliTRDPIDThresholds::AliTRDPIDThresholds():
	139	TObject(),
	140	fNTracklets(0)
	141	{
	142	//
	143	// Default constructor
	144	//
	145	memset(fParams, 0, sizeof(Double_t) * 4);
	146	memset(fEfficiency, 0, sizeof(Double_t) * 2);
	147	}
	148
	149	//____________________________________________________________
	150	AliTRDPIDParams::AliTRDPIDThresholds::AliTRDPIDThresholds(Int_t nTracklets, Double_t effMin, Double_t effMax, Double_t *params) :
	151	TObject(),
	152	fNTracklets(nTracklets)
	153	{
	154	//
	155	// Default Constructor
	156	//
	157	fEfficiency[0] = effMin;
	158	fEfficiency[1] = effMax;
	159	if(params) memcpy(fParams, params, sizeof(Double_t) * 4);
	160	else memset(fParams, 0, sizeof(Double_t) * 4);
	161	}
	162
	163	//____________________________________________________________
	164	AliTRDPIDParams::AliTRDPIDThresholds::AliTRDPIDThresholds(Int_t nTracklets, Double_t eff, Double_t *params) :
	165	TObject(),
	166	fNTracklets(nTracklets)
	167	{
	168	//
	169	// Constructor used to find object in sorted list
	170	//
	171	fEfficiency[0] = fEfficiency[1] = eff;
	172	if(params) memcpy(fParams, params, sizeof(Double_t) * 4);
	173	else memset(fParams, 0, sizeof(Double_t) * 4);
	174	}
	175
	176	//____________________________________________________________
	177	AliTRDPIDParams::AliTRDPIDThresholds::AliTRDPIDThresholds(const AliTRDPIDThresholds &ref) :
	178	TObject(ref),
	179	fNTracklets(ref.fNTracklets)
	180	{
	181	//
	182	// Copy constructor
	183	//
	184	memcpy(fParams, ref.fParams, sizeof(Double_t) * 4);
	185	memcpy(fEfficiency, ref.fEfficiency, sizeof(Double_t) * 2);
	186	}
	187
	188	//____________________________________________________________
	189	AliTRDPIDParams::AliTRDPIDThresholds &AliTRDPIDParams::AliTRDPIDThresholds::operator=(const AliTRDPIDThresholds &ref){
	190	//
	191	// Assignment operator
	192	//
e99fb5c9	193	if(&ref == this) return *this;
e99fb5c9	194
ce487a7f	195	TObject::operator=(ref);
	196
	197	fNTracklets = ref.fNTracklets;
	198	memcpy(fEfficiency, ref.fEfficiency, sizeof(Double_t) * 2);
	199	memcpy(fParams, ref.fParams, sizeof(Double_t) * 4);
	200	return *this;
	201	}
	202
	203	//____________________________________________________________
	204	Int_t AliTRDPIDParams::AliTRDPIDThresholds::Compare(const TObject *ref) const{
	205	//
	206	// Compares two objects
	207	// Order:
	208	// First compare number of tracklets, if they are equal compare electron efficiency
	209	//
	210	const AliTRDPIDThresholds refObj = static_cast<const AliTRDPIDThresholds >(ref);
	211	if(fNTracklets < refObj->GetNTracklets()) return -1;
	212	else if(fNTracklets > refObj->GetNTracklets()) return 1;
	213	else{
	214	if(fEfficiency[1] < refObj->GetElectronEfficiency(0)) return -1;
	215	else if(fEfficiency[0] > refObj->GetElectronEfficiency(1)) return 1;
	216	else return 0;
	217	}
	218	}
	219
	220	//____________________________________________________________
	221	Bool_t AliTRDPIDParams::AliTRDPIDThresholds::IsEqual(const TObject *ref) const {
	222	//
	223	// Check for equality
	224	// Tracklets and Efficiency are used
	225	//
	226	const AliTRDPIDThresholds refObj = dynamic_cast<const AliTRDPIDThresholds >(ref);
	227	if(!refObj) return kFALSE;
	228	Bool_t eqNTracklets = fNTracklets == refObj->GetNTracklets();
	229	Bool_t eqEff = kFALSE;
	230	Bool_t hasRange = TMath::Abs(fEfficiency[1] - fEfficiency[0]) > kVerySmall;
	231	Bool_t hasRangeRef = TMath::Abs(refObj->GetElectronEfficiency(1) - refObj->GetElectronEfficiency(0)) > kVerySmall;
	232	if(hasRange && hasRangeRef){
	233	// Both have ranges, check if they match
	234	eqEff = TMath::Abs(fEfficiency[0] - refObj->GetElectronEfficiency(0)) < kVerySmall && TMath::Abs(fEfficiency[1] - refObj->GetElectronEfficiency(1)) < kVerySmall;
	235	} else if(hasRange){
	236	// this object has ranges, check if the efficiency of ref is inside the range
	237	eqEff = refObj->GetElectronEfficiency(0) >= fEfficiency[0] && refObj->GetElectronEfficiency(0) < fEfficiency[1];
	238	} else {
	239	// ref has ranges, check if this is in range
	240	eqEff = fEfficiency[0] >= refObj->GetElectronEfficiency(0) && fEfficiency[0] < refObj->GetElectronEfficiency(1);
	241	}
	242
	243	return eqNTracklets && eqEff;
	244	}
bd58d4b9	245
	246	//____________________________________________________________
	247	AliTRDPIDParams::AliTRDPIDCentrality::AliTRDPIDCentrality():
	248	fEntries(NULL),
	249	fMinCentrality(-1.),
	250	fMaxCentrality(-1.)
	251	{
	252	//
	253	// Dummy constructor
	254	//
	255	}
	256
	257	//____________________________________________________________
	258	AliTRDPIDParams::AliTRDPIDCentrality::AliTRDPIDCentrality(Double_t minCentrality, Double_t maxCentrality):
	259	fEntries(NULL),
	260	fMinCentrality(minCentrality),
	261	fMaxCentrality(maxCentrality)
	262	{
	263	//
	264	// Default constructor
	265	//
	266	fEntries = new TSortedList;
	267	fEntries->SetOwner();
	268	}
	269
	270	//____________________________________________________________
	271	AliTRDPIDParams::AliTRDPIDCentrality::AliTRDPIDCentrality(const AliTRDPIDParams::AliTRDPIDCentrality &ref):
	272	TObject(),
	273	fEntries(NULL),
	274	fMinCentrality(ref.fMinCentrality),
	275	fMaxCentrality(ref.fMaxCentrality)
	276	{
	277	//
	278	// Copy constructor
	279	//
	280	fEntries = new TSortedList;
	281	// Coply entries to the new list
	282	TIter entries(ref.fEntries);
	283	TObject *o;
	284	while((o = entries())) fEntries->Add(o);
	285	}
	286
	287	//____________________________________________________________
	288	AliTRDPIDParams::AliTRDPIDCentrality &AliTRDPIDParams::AliTRDPIDCentrality::operator=(const AliTRDPIDCentrality &ref){
	289	//
	290	// Assignment operator
	291	//
	292	if(&ref != this){
	293	if(fEntries) delete fEntries;
	294	fEntries = new TSortedList;
	295	TIter entries(ref.fEntries);
	296	TObject *o;
	297	while((o = entries())) fEntries->Add(o);
	298	fMinCentrality = ref.fMinCentrality;
	299	fMaxCentrality = ref.fMaxCentrality;
	300	}
	301	return *this;
	302	}
	303
	304	//____________________________________________________________
	305	AliTRDPIDParams::AliTRDPIDCentrality::~AliTRDPIDCentrality(){
	306	//
	307	// Destructor
	308	//
309	if(fEntries) delete fEntries;
310	}
311
312	//____________________________________________________________
313	Bool_t AliTRDPIDParams::AliTRDPIDCentrality::GetThresholdParameters(Int_t ntracklets, Double_t efficiency, Double_t *params) const{
314	//
315	// Get the threshold parameters
316	//
317	AliTRDPIDThresholds test(ntracklets, efficiency);
318	TObject *result = fEntries->FindObject(&test);
319	if(!result){
320	AliDebug(1, Form("No threshold params found for %d tracklets and an electron efficiency of %f", ntracklets, efficiency));
321	return kFALSE;
322	}
323	AliTRDPIDThresholds parResult = static_cast<AliTRDPIDThresholds >(result);
324	AliDebug(1, Form("Threshold params found: NTracklets %d, Electron Efficiency %f", parResult->GetNTracklets(), parResult->GetElectronEfficiency()));
325	memcpy(params, parResult->GetThresholdParams(), sizeof(Double_t) * 4);
326	return kTRUE;
327	}
328
329	//____________________________________________________________
330	void AliTRDPIDParams::AliTRDPIDCentrality::SetThresholdParameters(Int_t ntracklets, Double_t effMin, Double_t effMax, Double_t *params){
331	//
332	// Store new Params in the Object
333	//
334	if(effMin > effMax){
335	AliError("Min. efficiency has to be >= max. efficiency");
336	return;
337	}
338	AliDebug(1, Form("Save Parameters for %d tracklets at and electron efficiency of [%f\|%f]", ntracklets, effMin, effMax));
339	fEntries->Add(new AliTRDPIDThresholds(ntracklets, effMin, effMax, params));
340	}
341
342	//____________________________________________________________
343	void AliTRDPIDParams::AliTRDPIDCentrality::Print(Option_t *) const {
344	printf("Min. Centrality: %f, Max. Centrality: %f\n", fMinCentrality, fMaxCentrality);
345	printf("Available thresholds:\n");
346	printf("_________________________________________\n");
347	TIter objects(fEntries);
348	AliTRDPIDThresholds *par;
349	while((par = dynamic_cast<AliTRDPIDThresholds *>(objects()))){
350	printf("Number of tracklets %d, Electron efficiency %f\n", par->GetNTracklets(), 0.5*(par->GetElectronEfficiency(0)+par->GetElectronEfficiency(1)));
351	}
352	}
353