#include "AliHBTFunction.h"
-//____________________
-//////////////////////////////////////////////////////////////////////
-//
+
+/* $Id: */
+
+//--------------------------------------------------------------------
//AliHBTFunction
//Author: Piotr Krzysztof Skowronski
//Piotr.Skowronski@cern.ch
-/*Base classes for HBT functions
-
+//Base classes for HBT functions
+/*
OnePairFctn Function TwoPairFctn
| \ \ / | \ /|\
| \ \ / | \ / | \
| / \ \| | \ / \ | \ \
| / \ /\ | \ / \ | \ |
| / \ / \ | \ / \ | \ |
- | / \ / \ | \ / \ | \ |
+ | / \ / \ | \ / \ | \ |
| / \/ \ | \/ \ | \ |
OnePair1D OnePair2D OnePair3D TwoPair1D TwoPair2D TwoPair3D
-
four particle functions are intendent to be resolution functions:
it is mecessary to have simulated particle pair corresponding to given
recontructed track pair in order to calculate function simualted value
and recontructed value, to be further histogrammed
-
*/
-///////////////////////////////////////////////////////////////////////
+//---------------------------------------------------------------------
#include <TH2.h>
#include <TH3.h>
ClassImp( AliHBTFunction )
-AliHBTFunction::AliHBTFunction()
+AliHBTFunction::AliHBTFunction():
+ fPairCut(new AliHBTEmptyPairCut()), //dummy cut
+ fWriteNumAndDen(kFALSE)
{
//Default constructor
- fPairCut = new AliHBTEmptyPairCut(); //dummy cut
}
/******************************************************************/
-AliHBTFunction::AliHBTFunction(const char* name,const char* title):TNamed(name,title)
+
+AliHBTFunction::AliHBTFunction(const char* name,const char* title):
+ TNamed(name,title),
+ fPairCut(new AliHBTEmptyPairCut()), //dummy cut
+ fWriteNumAndDen(kFALSE)
+{
+//Constructor
+}
+/******************************************************************/
+
+AliHBTFunction::AliHBTFunction(const AliHBTFunction & source):
+ TNamed(source),
+ fPairCut((AliHBTPairCut*)source.fPairCut->Clone()),
+ fWriteNumAndDen(source.fWriteNumAndDen)
{
- fPairCut = new AliHBTEmptyPairCut(); //dummy cut
+// Copy constructor needed by the coding conventions
}
/******************************************************************/
AliHBTFunction::~AliHBTFunction()
{
//destructor
+ if (AliHBTParticle::GetDebug() > 1)
+ {
+ Info("~AliHBTFunction","Deleting %s",GetName());
+ }
delete fPairCut;
}
/******************************************************************/
+AliHBTFunction & AliHBTFunction::operator= (const AliHBTFunction & source)
+{
+ // Assignment needed by the coding conventions
+ delete fPairCut;
+ fPairCut = (AliHBTPairCut*)source.fPairCut->Clone();
+ return * this;
+}
-void AliHBTFunction::Write()
+void AliHBTFunction::WriteFunction()
{
//writes result of the function to file
- if (GetNumerator()) GetNumerator()->Write();
- if (GetDenominator()) GetDenominator()->Write();
+ if (AliHBTParticle::GetDebug()) Info("AliHBTFunction","%s",GetName());
+ if (fWriteNumAndDen)
+ {
+ if (AliHBTParticle::GetDebug()) Info("AliHBTFunction","Writing Num & Den");
+ if (GetNumerator()) GetNumerator()->Write();
+ if (GetDenominator()) GetDenominator()->Write();
+ if (AliHBTParticle::GetDebug()) Info("AliHBTFunction","Writing Num & Den Done");
+ }
+ if (AliHBTParticle::GetDebug()) Info("AliHBTFunction","Getting Result");
TH1* res = GetResult();
- if (res) res->Write();
+ if (AliHBTParticle::GetDebug()) Info("AliHBTFunction","Getting Result Done");
+
+ if (res)
+ {
+ if (AliHBTParticle::GetDebug()) Info("AliHBTFunction","Writing Result");
+ res->Write();
+ if (AliHBTParticle::GetDebug()) Info("AliHBTFunction","Writing Result Done");
+ }
}
/******************************************************************/
{
//returns ratio of numerator and denominator
//
- if (gDebug>0) Info("GetRatio","Norm. Factor is %f for %s",normfactor,GetName());
+ if (AliHBTParticle::GetDebug()>0) Info("GetRatio","Norm. Factor is %f for %s",normfactor,GetName());
if (normfactor == 0.0)
{
}
TString str = fName + " ratio";
TH1 *result = (TH1*)GetNumerator()->Clone(str.Data());
+ result->SetDirectory(0x0);
result->SetTitle(str.Data());
}
/******************************************************************/
-void AliHBTFunction::Init()
+void AliHBTFunction::InitFunction()
{
//Iniotializes fctn.: Resets histograms
//In case histograms are not created in ctor, builds with default parameters
+ if (AliHBTParticle::GetDebug()>1) Info("InitFunction","%s",GetName());
if ( !(GetNumerator()&&GetDenominator()) ) BuildHistos();
GetNumerator()->Reset();
GetDenominator()->Reset();
+
+ GetNumerator()->SetDirectory(0x0);
+ GetDenominator()->SetDirectory(0x0);
+ if (AliHBTParticle::GetDebug()>1) Info("InitFunction","Done");
+}
+/******************************************************************/
+/******************************************************************/
+/******************************************************************/
+ClassImp(AliHBTCorrelFunction)
+//____________________________________________
+//////////////////////////////////////////////
+//
+// class AliHBTCorrelFunction
+//
+// Base class for correlation fuctions, that is which returns ratio.
+// Stores pointer the created ratio histogram and deletes it when function is deleted
+// created in order to evoid memory leak
+//
+////////////////////////////////////////////////////////
+AliHBTCorrelFunction& AliHBTCorrelFunction::operator=(const AliHBTCorrelFunction& in)
+{
+ //assigment operator
+ if (&in == this) return *this;
+ delete fRatio;
+ fRatio=(in.fRatio)?(TH1*)in.fRatio->Clone():0x0;
+ fRatio->SetDirectory(0x0);
+ return *this;
}
/******************************************************************/
}
/******************************************************************/
+AliHBTFunction1D::AliHBTFunction1D(const AliHBTFunction1D& source):
+ AliHBTFunction(source)
+{
+// Copy constructor needed by the coding conventions byt not used
+ Fatal("AliHBTFunction1D(const AliHBTFunction1D&)","Cpy ctor not usable.");
+}
+/******************************************************************/
+
+AliHBTFunction1D& AliHBTFunction1D::operator= (const AliHBTFunction1D & /*source*/)
+{
+// Assignment needed by the coding conventions byt not used
+ Fatal("Assignment operator","not implemented");
+ return * this;
+ }
+/******************************************************************/
+
AliHBTFunction1D::~AliHBTFunction1D()
{
//destructor
//Calculates the factor that should be used to scale
//quatience of num and den to 1 at tail
- if (gDebug>0) Info("Scale","Enetered Scale()");
+ if (AliHBTParticle::GetDebug()>0) Info("Scale","Enetered Scale()");
if(!num)
{
Error("Scale","No numerator");
if(fNBinsToScale < 1)
{
- return 0.0;
Error("Scale","Number of bins for scaling is smaller thnan 1");
+ return 0.0;
}
UInt_t nbins = num->GetNbinsX();
if (fNBinsToScale > nbins)
Error("Scale","Number of bins for scaling is bigger thnan number of bins in histograms");
return 0.0;
}
- if (gDebug>0) Info("Scale","No errors detected");
+ if (AliHBTParticle::GetDebug()>0) Info("Scale","No errors detected");
- Double_t ratio;
- Double_t sum = 0;
- Int_t n = 0;
+ Double_t densum = 0.0;
+ Double_t numsum = 0.0;
Int_t offset = nbins - fNBinsToScale - 1;
{
if ( num->GetBinContent(i) > 0.0 )
{
- ratio = den->GetBinContent(i)/num->GetBinContent(i);
- sum += ratio;
- n++;
+ densum = fDenominator->GetBinContent(i);
+ numsum = fNumerator->GetBinContent(i);
}
}
- if(gDebug > 0) Info("Scale","sum=%f fNBinsToScale=%d n=%d",sum,fNBinsToScale,n);
+ if(AliHBTParticle::GetDebug() > 0)
+ Info("Scale","numsum=%f densum=%f fNBinsToScaleX=%d",numsum,densum,fNBinsToScale);
- if (n == 0) return 0.0;
- Double_t ret = sum/((Double_t)n);
+ if (numsum == 0) return 0.0;
+ Double_t ret = densum/numsum;
- if(gDebug > 0) Info("Scale","returning %f",ret);
+ if(AliHBTParticle::GetDebug() > 0) Info("Scale","returning %f",ret);
return ret;
}
// //
///////////////////////////////////////////////////////
-ClassImp( AliHBTFunction1D )
+ClassImp( AliHBTFunction2D )
const Int_t AliHBTFunction2D::fgkDefaultNBinsX = 200;//default number of Bins in X axis in histograms
const Float_t AliHBTFunction2D::fgkDefaultMinX = 0.0;//Default min value of X axis in histograms
BuildHistos(nXbins,maxXval,minXval,nYbins,maxYval,minYval);
}
/******************************************************************/
+AliHBTFunction2D::AliHBTFunction2D(const AliHBTFunction2D & source):
+ AliHBTFunction(source)
+{
+// Copy constructor needed by the coding conventions byt not used
+ Fatal("AliHBTFunction2D(const AliHBTFunction2D&)","Cpy ctor not usable.");
+}
+/******************************************************************/
+
+AliHBTFunction2D& AliHBTFunction2D::operator= (const AliHBTFunction2D& /*source*/) {
+// Assignment needed by the coding conventions byt not used
+ Fatal("Assignment operator","not implemented");
+ return * this;
+}
+/******************************************************************/
AliHBTFunction2D::~AliHBTFunction2D()
{
+//dtor
delete fNumerator;
delete fDenominator;
}
void AliHBTFunction2D::BuildHistos(Int_t nxbins, Float_t xmax, Float_t xmin,
Int_t nybins, Float_t ymax, Float_t ymin)
{
+//Builds numerator and denominator histograms (2d-case)
TString numstr = fName + " Numerator"; //title and name of the
//numerator histogram
TString denstr = fName + " Denominator";//title and name of the
Double_t AliHBTFunction2D::Scale()
{
- if (gDebug>0) Info("Scale","Enetered Scale()");
+// Calculates the factor that should be used to scale
+// quatience of fNumerator and fDenominator to 1 at
+// given region
+ if (AliHBTParticle::GetDebug()>0) Info("Scale","Enetered Scale()");
if(!fNumerator)
{
Error("Scale","No numerator");
if( (fNBinsToScaleX < 1) || (fNBinsToScaleY < 1) )
{
- return 0.0;
Error("Scale","Number of bins for scaling is smaller thnan 1");
+ return 0.0;
}
UInt_t nbinsX = fNumerator->GetNbinsX();
if (fNBinsToScaleX > nbinsX)
return 0.0;
}
- if (gDebug>0) Info("Scale","No errors detected");
+ if (AliHBTParticle::GetDebug()>0) Info("Scale","No errors detected");
Int_t offsetX = nbinsX - fNBinsToScaleX - 1; //bin that we start loop over bins in axis X
Int_t offsetY = nbinsY - fNBinsToScaleY - 1; //bin that we start loop over bins in axis X
- Double_t ratio;
- Double_t sum = 0;
- Int_t n = 0;
+ Double_t densum = 0.0;
+ Double_t numsum = 0.0;
for (UInt_t j = offsetY; j< nbinsY; j++)
for (UInt_t i = offsetX; i< nbinsX; i++)
{
if ( fNumerator->GetBinContent(i,j) > 0.0 )
{
- ratio = fDenominator->GetBinContent(i,j)/fNumerator->GetBinContent(i,j);
- sum += ratio;
- n++;
+ densum = fDenominator->GetBinContent(i,j);
+ numsum = fNumerator->GetBinContent(i,j);
}
}
- if(gDebug > 0) Info("Scale","sum=%f fNBinsToScaleX=%d fNBinsToScaleY=%d n=%d",sum,fNBinsToScaleX,fNBinsToScaleY,n);
+ if(AliHBTParticle::GetDebug() > 0)
+ Info("Scale","numsum=%f densum=%f fNBinsToScaleX=%d fNBinsToScaleY=%d",numsum,densum,fNBinsToScaleX,fNBinsToScaleY);
- if (n == 0) return 0.0;
- Double_t ret = sum/((Double_t)n);
+ if (numsum == 0) return 0.0;
+ Double_t ret = densum/numsum;
- if(gDebug > 0) Info("Scale","returning %f",ret);
+ if(AliHBTParticle::GetDebug() > 0) Info("Scale","returning %f",ret);
return ret;
}
}
/******************************************************************/
+AliHBTFunction3D::AliHBTFunction3D(const AliHBTFunction3D& source):
+ AliHBTFunction(source)
+{
+// Copy constructor needed by the coding conventions byt not used
+ Fatal("AliHBTFunction3D(const AliHBTFunction3D&)","Cpy ctor not usable.");
+}
+/******************************************************************/
+
+AliHBTFunction3D& AliHBTFunction3D::operator= (const AliHBTFunction3D & /*source*/)
+{
+// Assignment needed by the coding conventions byt not used
+ Fatal("Assignment operator","not implemented");
+ return * this;
+ }
+/******************************************************************/
+
AliHBTFunction3D::~AliHBTFunction3D()
{
Int_t nybins, Float_t ymax, Float_t ymin,
Int_t nzbins, Float_t zmax, Float_t zmin)
{
+ //Builds numerator and denominator histograms (3d-case)
TString numstr = fName + " Numerator"; //title and name of the
//numerator histogram
TString denstr = fName + " Denominator";//title and name of the
//denominator histogram
- fNumerator = new TH3D(numstr.Data(),numstr.Data(),
- nxbins,xmin,xmin,nybins,ymin,ymin,nzbins,zmin,zmin);
+ fNumerator = new TH3F(numstr.Data(),numstr.Data(),
+ nxbins,xmin,xmax,nybins,ymin,ymax,nzbins,zmin,zmax);
- fDenominator = new TH3D(denstr.Data(),denstr.Data(),
- nxbins,xmin,xmin,nybins,ymin,ymin,nzbins,zmin,zmin);
+ fDenominator = new TH3F(denstr.Data(),denstr.Data(),
+ nxbins,xmin,xmax,nybins,ymin,ymax,nzbins,zmin,zmax);
fNumerator->Sumw2();
fDenominator->Sumw2();
Double_t AliHBTFunction3D::Scale()
{
- if (gDebug>0) Info("Scale","Enetered Scale()");
+ // Calculates the factor that should be used to scale
+ // quatience of fNumerator and fDenominator to 1 at
+ // given volume
+ if (AliHBTParticle::GetDebug()>0) Info("Scale","Enetered Scale()");
if(!fNumerator)
{
Error("Scale","No numerator");
if( (fNBinsToScaleX < 1) || (fNBinsToScaleY < 1) || (fNBinsToScaleZ < 1))
{
- return 0.0;
Error("Scale","Number of bins for scaling is smaller thnan 1");
+ return 0.0;
}
UInt_t nbinsX = fNumerator->GetNbinsX();
if (fNBinsToScaleX > nbinsX)
return 0.0;
}
- if (gDebug>0) Info("Scale","No errors detected");
+ if (AliHBTParticle::GetDebug()>0) Info("Scale","No errors detected");
Int_t offsetX = nbinsX - fNBinsToScaleX - 1; //bin that we start loop over bins in axis X
Int_t offsetY = nbinsY - fNBinsToScaleY - 1; //bin that we start loop over bins in axis Y
Int_t offsetZ = nbinsZ - fNBinsToScaleZ - 1; //bin that we start loop over bins in axis Z
- Double_t ratio;
- Double_t sum = 0;
- Int_t n = 0;
+ Double_t densum = 0.0;
+ Double_t numsum = 0.0;
for (UInt_t k = offsetZ; k<nbinsZ; k++)
for (UInt_t j = offsetY; j<nbinsY; j++)
{
if ( fNumerator->GetBinContent(i,j,k) > 0.0 )
{
- ratio = fDenominator->GetBinContent(i,j,k)/fNumerator->GetBinContent(i,j,k);
- sum += ratio;
- n++;
+
+ densum = fDenominator->GetBinContent(i,j,k);
+ numsum = fNumerator->GetBinContent(i,j,k);
}
}
- if(gDebug > 0)
- Info("Scale","sum=%f fNBinsToScaleX=%d fNBinsToScaleY=%d fNBinsToScaleZ=%d n=%d",
- sum,fNBinsToScaleX,fNBinsToScaleY,fNBinsToScaleZ,n);
+ if(AliHBTParticle::GetDebug() > 0)
+ Info("Scale","numsum=%f densum=%f fNBinsToScaleX=%d fNBinsToScaleY=%d fNBinsToScaleZ=%d",
+ numsum,densum,fNBinsToScaleX,fNBinsToScaleY,fNBinsToScaleZ);
- if (n == 0) return 0.0;
- Double_t ret = sum/((Double_t)n);
+ if (numsum == 0) return 0.0;
+ Double_t ret = densum/numsum;
- if(gDebug > 0) Info("Scale","returning %f",ret);
+ if(AliHBTParticle::GetDebug() > 0) Info("Scale","returning %f",ret);
return ret;
}
/******************************************************************/
AliHBTOnePairFctn1D::AliHBTOnePairFctn1D(Int_t nbins, Float_t maxXval, Float_t minXval):
AliHBTFunction1D(nbins,maxXval,minXval)
{
+ //constructor
}
/******************************************************************/
AliHBTOnePairFctn1D::AliHBTOnePairFctn1D(const Char_t *name, const Char_t *title):
AliHBTFunction1D(name,title)
{
+
}
/******************************************************************/
Int_t nbins, Float_t maxXval, Float_t minXval):
AliHBTFunction1D(name,title,nbins,maxXval,minXval)
{
+ //constructor
}
/******************************************************************/
void AliHBTOnePairFctn1D::ProcessSameEventParticles(AliHBTPair* pair)
{
- //Fills the numerator
+ //Fills the numerator using pair from the same event
pair = CheckPair(pair);
if(pair) fNumerator->Fill(GetValue(pair));
}
/******************************************************************/
void AliHBTOnePairFctn1D::ProcessDiffEventParticles(AliHBTPair* pair)
{
- //fills denumerator
+ //Fills the denumerator using mixed pairs
pair = CheckPair(pair);
if(pair) fDenominator->Fill(GetValue(pair));
}
AliHBTOnePairFctn2D::AliHBTOnePairFctn2D(const Char_t *name, const Char_t *title):
AliHBTFunction2D(name,title)
{
+ //constructor
}
/******************************************************************/
Int_t nYbins, Double_t maxYval, Double_t minYval):
AliHBTFunction2D(nXbins, maxXval, minXval, nYbins, maxYval, minYval)
{
+ //constructor
}
/******************************************************************/
Int_t nYbins, Double_t maxYval, Double_t minYval):
AliHBTFunction2D(name,title, nXbins, maxXval, minXval, nYbins, maxYval, minYval)
{
+ //constructor
}
/******************************************************************/
void AliHBTOnePairFctn2D::ProcessSameEventParticles(AliHBTPair* pair)
{
+ // Fills the numerator using pairs from the same event
pair = CheckPair(pair);
if(pair)
{
void AliHBTOnePairFctn2D::ProcessDiffEventParticles(AliHBTPair* pair)
{
+ // Fills the denumerator using mixed pairs
pair = CheckPair(pair);
if(pair)
{
AliHBTOnePairFctn3D::AliHBTOnePairFctn3D(const Char_t *name, const Char_t *title):
AliHBTFunction3D(name,title)
{
+ //constructor
}
/******************************************************************/
Int_t nZbins, Double_t maxZval, Double_t minZval):
AliHBTFunction3D(nXbins, maxXval, minXval, nYbins, maxYval, minYval, nZbins, maxZval, minZval)
{
+ //constructor
}
/******************************************************************/
Int_t nZbins, Double_t maxZval, Double_t minZval):
AliHBTFunction3D(name,title,nXbins, maxXval, minXval, nYbins, maxYval, minYval, nZbins, maxZval, minZval)
{
+ //constructor
}
/******************************************************************/
AliHBTTwoPairFctn1D::AliHBTTwoPairFctn1D(Int_t nbins, Float_t maxXval, Float_t minXval):
AliHBTFunction1D(nbins,maxXval,minXval)
{
+ //constructor
}
/******************************************************************/
AliHBTTwoPairFctn1D::AliHBTTwoPairFctn1D(const Char_t *name, const Char_t *title):
AliHBTFunction1D(name,title)
{
+ //constructor
}
/******************************************************************/
Int_t nbins, Float_t maxXval, Float_t minXval):
AliHBTFunction1D(name,title,nbins,maxXval,minXval)
{
+ //constructor
}
/******************************************************************/
void AliHBTTwoPairFctn1D::ProcessSameEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair)
{
+ // Fills the numerator using pairs from the same event
partpair = CheckPair(partpair);
- if( partpair )
- {
- Double_t x = GetValue(trackpair,partpair);
- fNumerator->Fill(x);
- }
+ if( partpair == 0x0) return;
+
+ if (partpair->GetSwapedPair() == 0x0)//it means that Check pair returned swapped pair
+ trackpair = trackpair->GetSwapedPair();//so the track pair must be swapped as well
+
+ Double_t x = GetValue(trackpair,partpair);
+ fNumerator->Fill(x);
}
/******************************************************************/
void AliHBTTwoPairFctn1D::ProcessDiffEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair)
{
+ // Fills the denumerator usin mixed pairs
partpair = CheckPair(partpair);
- if( partpair )
- {
- Double_t x = GetValue(trackpair,partpair);
- fDenominator->Fill(x);
- }
+ if( partpair == 0x0) return;
+
+ if (partpair->GetSwapedPair() == 0x0)//it means that Check pair returned swapped pair
+ trackpair = trackpair->GetSwapedPair();//so the track pair must be swapped as well
+
+ Double_t x = GetValue(trackpair,partpair);
+ fDenominator->Fill(x);
}
/******************************************************************/
/******************************************************************/
AliHBTTwoPairFctn2D::AliHBTTwoPairFctn2D(const Char_t *name, const Char_t *title):
AliHBTFunction2D(name,title)
{
+ //constructor
}
/******************************************************************/
Int_t nYbins, Double_t maxYval, Double_t minYval):
AliHBTFunction2D(nXbins, maxXval, minXval, nYbins, maxYval, minYval)
{
+ //constructor
}
/******************************************************************/
Int_t nYbins, Double_t maxYval, Double_t minYval):
AliHBTFunction2D(name,title,nXbins, maxXval, minXval, nYbins, maxYval, minYval)
{
+ //constructor
}
/******************************************************************/
{
//processes pair of particles coming from a same events (real pair)
partpair = CheckPair(partpair); //check cuts
- if( partpair )
- {
- Double_t x,y;
- GetValues(trackpair,partpair,x,y);
- fNumerator->Fill(x,y);
- }
+ if (partpair == 0x0) return;
+
+ if (partpair->GetSwapedPair() == 0x0)//it means that Check pair returned swapped pair
+ trackpair = trackpair->GetSwapedPair();//so the track pair must be swapped as well
+
+ Double_t x,y;
+ GetValues(trackpair,partpair,x,y);
+ fNumerator->Fill(x,y);
}
/******************************************************************/
{
//processes pair of particles coming from a different events (mixed pair)
partpair = CheckPair(partpair);
- if( partpair )
- {
- Double_t x,y;
- GetValues(trackpair,partpair,x,y);
- fDenominator->Fill(x,y);
- }
+ if (partpair == 0x0) return;
+
+ if (partpair->GetSwapedPair() == 0x0)//it means that Check pair returned swapped pair
+ trackpair = trackpair->GetSwapedPair();//so the track pair must be swapped as well
+
+ Double_t x,y;
+ GetValues(trackpair,partpair,x,y);
+ fDenominator->Fill(x,y);
}
/******************************************************************/
AliHBTTwoPairFctn3D::AliHBTTwoPairFctn3D(const Char_t *name, const Char_t *title):
AliHBTFunction3D(name,title)
{
+ //constructor
}
/******************************************************************/
Int_t nZbins, Double_t maxZval, Double_t minZval):
AliHBTFunction3D(nXbins, maxXval, minXval, nYbins, maxYval, minYval, nZbins, maxZval, minZval)
{
+ //constructor
}
/******************************************************************/
Int_t nZbins, Double_t maxZval, Double_t minZval):
AliHBTFunction3D(name,title,nXbins, maxXval, minXval, nYbins, maxYval, minYval, nZbins, maxZval, minZval)
{
+ //constructor
}
/******************************************************************/
void AliHBTTwoPairFctn3D::ProcessSameEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair)
{
+ // Fills th numerator using pairs from the same event
partpair = CheckPair(partpair);
- if( partpair )
- {
- Double_t x,y,z;
- GetValues(trackpair,partpair,x,y,z);
- fNumerator->Fill(x,y,z);
- }
+ if( partpair == 0x0) return;
+
+ if (partpair->GetSwapedPair() == 0x0)//it means that CheckPair returned swapped pair
+ trackpair = trackpair->GetSwapedPair();//so the track pair must be swapped as well
+
+ Double_t x,y,z;
+ GetValues(trackpair,partpair,x,y,z);
+ fNumerator->Fill(x,y,z);
+
}
/******************************************************************/
void AliHBTTwoPairFctn3D::ProcessDiffEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair)
{
+ // Fills the denumerator using mixed pairs
partpair = CheckPair(partpair);
- if( partpair )
- {
- Double_t x,y,z;
- GetValues(trackpair,partpair,x,y,z);
- fDenominator->Fill(x,y,z);
- }
-
+ if( partpair == 0x0) return;
+
+ if (partpair->GetSwapedPair() == 0x0)//it means that CheckPair returned swapped pair
+ trackpair = trackpair->GetSwapedPair();//so the track pair must be swapped as well
+
+ Double_t x,y,z;
+ GetValues(trackpair,partpair,x,y,z);
+ fDenominator->Fill(x,y,z);
}
-
/******************************************************************/
/******************************************************************/
/******************************************************************/