+/**************************************************************************
+ * 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. *
+ **************************************************************************/
+
+/* $Id$ */
+
#include "AliHBTFunction.h"
-/******************************************************************/
+#include "AliLog.h"
+
+
+//--------------------------------------------------------------------
+//AliHBTFunction
+//Author: Piotr Krzysztof Skowronski
+//Piotr.Skowronski@cern.ch
+//Base classes for HBT functions
/*
-Piotr Krzysztof Skowronski
-Piotr.Skowronski@cern.ch
-Base classes for HBT functions
-
- function
- / \
- / \
- / \
- / \
- / \
- / \
- / \
- two part four part
- / | \ / | \
- / | \ / | \
- 1D 2D 3D 1D 2D 3D
+ OnePairFctn Function TwoPairFctn
+ | \ \ / | \ /|\
+ | \ \ / | \ / | \
+ | \ \ 1D 2D 3D / | \
+ | \ \ / \ |\ | \________________/__ | \
+ | \ \/ \ | \__|_____________ / \| \
+ | \ \ \_|____|__ \ / | \
+ | \ / \___ | | \ \/ |\ \
+ | / \ | | \ /\ | \ \
+ | / \ \| | \ / \ | \ \
+ | / \ /\ | \ / \ | \ |
+ | / \ / \ | \ / \ | \ |
+ | / \ / \ | \ / \ | \ |
+ | / \/ \ | \/ \ | \ |
+ 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
-
+ and recontructed value, to be further histogrammed
*/
+//---------------------------------------------------------------------
+
+#include <TH2.h>
+#include <TH3.h>
+
/******************************************************************/
/******************************************************************/
ClassImp( AliHBTFunction )
-AliHBTFunction::AliHBTFunction()
+AliHBTFunction::AliHBTFunction():
+ fPairCut(new AliAODPairEmptyCut()), //dummy cut
+ fWriteNumAndDen(kFALSE),
+ fAbs(kFALSE)
{
-
- fPairCut = new AliHBTEmptyPairCut(); //dummy cut
+//Default constructor
}
+/******************************************************************/
-void AliHBTFunction::
-Write()
- {
- if (GetNumerator()) GetNumerator()->Write();
- if (GetDenominator()) GetDenominator()->Write();
+AliHBTFunction::AliHBTFunction(const char* name,const char* title):
+ TNamed(name,title),
+ fPairCut(new AliAODPairEmptyCut()), //dummy cut
+ fWriteNumAndDen(kFALSE),
+ fAbs(kFALSE)
+{
+//Constructor
+}
+/******************************************************************/
+
+AliHBTFunction::AliHBTFunction(const AliHBTFunction & source):
+ TNamed(source),
+ fPairCut((AliAODPairCut*)source.fPairCut->Clone()),
+ fWriteNumAndDen(source.fWriteNumAndDen),
+ fAbs(source.fAbs)
+{
+// Copy constructor needed by the coding conventions
+}
+/******************************************************************/
+
+AliHBTFunction::~AliHBTFunction()
+{
+//destructor
+ AliDebug(1,"Deleting");
+ delete fPairCut;
+}
+/******************************************************************/
+AliHBTFunction & AliHBTFunction::operator= (const AliHBTFunction & source)
+{
+ // Assignment needed by the coding conventions
+ delete fPairCut;
+ fPairCut = (AliAODPairCut*)source.fPairCut->Clone();
+ fAbs = source.fAbs;
+ return * this;
+}
+
+Int_t AliHBTFunction::WriteFunction()
+{
+//writes result of the function to file
+ Int_t retval =0;
+ AliDebug(1,"Entering");
+ if (fWriteNumAndDen)
+ {
+ AliDebug(1,"Writing Num & Den");
+ if (GetNumerator()) GetNumerator()->Write();
+ if (GetDenominator()) GetDenominator()->Write();
+ AliDebug(1,"Writing Num & Den Done");
+ }
+ AliDebug(1,"Getting Result");
TH1* res = GetResult();
- if (res) GetResult()->Write();
- }
+ AliDebug(1,"Getting Result Done");
+
+ if (res)
+ {
+ AliDebug(1,"Writing Result");
+ retval = res->Write();
+ AliDebug(1,"Writing Result Done");
+ }
+ return retval;
+}
/******************************************************************/
-TH1* AliHBTFunction::
-GetRatio(Double_t normfactor)
+TH1* AliHBTFunction::GetRatio(Double_t normfactor)
{
+ //returns ratio of numerator and denominator
+ //
+ AliDebug(1,Form("Norm. Factor is %f for %s",normfactor,GetName()));
+
+ if (normfactor == 0.0)
+ {
+ AliError("Scaling Factor is 0. Null poiner returned");
+ return 0x0;
+ }
TString str = fName + " ratio";
TH1 *result = (TH1*)GetNumerator()->Clone(str.Data());
+ result->SetDirectory(0x0);
result->SetTitle(str.Data());
- result->Sumw2();
result->Divide(GetNumerator(),GetDenominator(),normfactor);
}
/******************************************************************/
-void AliHBTFunction::SetPairCut(AliHBTPairCut* cut)
+void AliHBTFunction::SetPairCut(AliAODPairCut* cut)
{
//Sets new Pair Cut. Old one is deleted
//Note that it is created new object instead of simple pointer set
if(!cut)
{
- Error("AliHBTFunction::SetPairCut","argument is NULL");
+ AliError("argument is NULL");
return;
}
delete fPairCut;
- fPairCut = (AliHBTPairCut*)cut->Clone();
+ fPairCut = (AliAODPairCut*)cut->Clone();
}
/******************************************************************/
-void AliHBTFunction::
-Rename(const Char_t * name)
+void AliHBTFunction::Rename(const Char_t * name)
{
//renames the function and histograms
SetName(name);
}
-void AliHBTFunction::
-Rename(const Char_t * name, const Char_t * title)
+void AliHBTFunction::Rename(const Char_t * name, const Char_t * title)
{
//renames and retitle the function and histograms
}
+/******************************************************************/
+
+void AliHBTFunction::InitFunction()
+{
+//Iniotializes fctn.: Resets histograms
+//In case histograms are not created in ctor, builds with default parameters
+ AliDebug(1,"Entering");
+ if ( !(GetNumerator()&&GetDenominator()) ) BuildHistos();
+ GetNumerator()->Reset();
+ GetDenominator()->Reset();
+
+ GetNumerator()->SetDirectory(0x0);
+ GetDenominator()->SetDirectory(0x0);
+ AliDebug(1,"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;
+}
/******************************************************************/
/******************************************************************/
/******************************************************************/
-ClassImp( AliHBTTwoPartFctn )
+ClassImp( AliHBTOnePairFctn )
/******************************************************************/
/******************************************************************/
/******************************************************************/
-ClassImp( AliHBTFourPartFctn)
+ClassImp( AliHBTTwoPairFctn)
/******************************************************************/
/******************************************************************/
/******************************************************************/
-ClassImp( AliHBTTwoPartFctn1D )
+ClassImp( AliHBTFunction1D )
-AliHBTTwoPartFctn1D::
-AliHBTTwoPartFctn1D(Int_t nbins, Double_t maxXval, Double_t minXval)
- {
+const Int_t AliHBTFunction1D::fgkDefaultNBins = 100;
+const Float_t AliHBTFunction1D::fgkDefaultMin = 0.0;
+const Float_t AliHBTFunction1D::fgkDefaultMax = 0.15;
+const UInt_t AliHBTFunction1D::fgkDefaultNBinsToScale = 30;
+
+
+AliHBTFunction1D::AliHBTFunction1D():
+ fNumerator(0x0),
+ fDenominator(0x0),
+ fNBinsToScale(fgkDefaultNBinsToScale)
+{//default constructor
+}
+/******************************************************************/
+
+AliHBTFunction1D::AliHBTFunction1D(Int_t nbins, Float_t maxXval, Float_t minXval):
+ fNumerator(0x0),
+ fDenominator(0x0),
+ fNBinsToScale(fgkDefaultNBinsToScale)
+{
//Constructor of Two Part One Dimentional Function
// nbins: number of bins in histograms - default 100
// maxXval and minXval: range of histgram(s) default 0 - 0.15 (GeV)
+ BuildHistos(nbins,maxXval,minXval);
+}
+/******************************************************************/
+AliHBTFunction1D::AliHBTFunction1D(const Char_t *name, const Char_t *title):
+ AliHBTFunction(name,title),
+ fNumerator(0x0),
+ fDenominator(0x0),
+ fNBinsToScale(fgkDefaultNBinsToScale)
+{//constructor
+}
+/******************************************************************/
+AliHBTFunction1D::AliHBTFunction1D(const Char_t *name, const Char_t *title,
+ Int_t nbins, Float_t maxXval, Float_t minXval):
+ AliHBTFunction(name,title),
+ fNumerator(0x0),
+ fDenominator(0x0),
+ fNBinsToScale(fgkDefaultNBinsToScale)
+{
+//constructor
+ BuildHistos(nbins,maxXval,minXval);
+}
+/******************************************************************/
+
+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
+ delete fNumerator;
+ delete fDenominator;
+}
+/******************************************************************/
+void AliHBTFunction1D::BuildHistos()
+{
+//builds histograms with default settings
+ BuildHistos(fgkDefaultNBins,fgkDefaultMax,fgkDefaultMin);
+}
+
+/******************************************************************/
+
+void AliHBTFunction1D::BuildHistos(Int_t nbins, Float_t max, Float_t min)
+{
+//builds numarator and denominator hitograms
+ TString numstr = fName + " Numerator"; //title and name of the
+ //numerator histogram
+ TString denstr = fName + " Denominator";//title and name of the
+ //denominator histogram
+ fNumerator = new TH1D(numstr.Data(),numstr.Data(),nbins,min,max);
+ fDenominator = new TH1D(denstr.Data(),denstr.Data(),nbins,min,max);
+
+ fNumerator->Sumw2();
+ fDenominator->Sumw2();
+}
+/******************************************************************/
+
+Double_t AliHBTFunction1D::Scale()
+{
+ //Calculates the factor that should be used to scale
+ //quatience of fNumerator and fDenominator to 1 at tail
+ return Scale(fNumerator,fDenominator);
+}
+/******************************************************************/
+
+Double_t AliHBTFunction1D::Scale(TH1D* num,TH1D* den)
+{
+ //Calculates the factor that should be used to scale
+ //quatience of num and den to 1 at tail
-
- TString numstr = fName + " Numerator"; //title and name of the
+ AliDebug(1,"Entered");
+ if(!num)
+ {
+ AliError("No numerator");
+ return 0.0;
+ }
+ if(!den)
+ {
+ AliError("No denominator");
+ return 0.0;
+ }
+
+ if(fNBinsToScale < 1)
+ {
+ AliError("Number of bins for scaling is smaller than 1");
+ return 0.0;
+ }
+ UInt_t nbins = num->GetNbinsX();
+ if (fNBinsToScale > nbins)
+ {
+ AliError("Number of bins for scaling is bigger thnan number of bins in histograms");
+ return 0.0;
+ }
+ AliDebug(1,"No errors detected");
+
+ Double_t densum = 0.0;
+ Double_t numsum = 0.0;
+
+ Int_t offset = nbins - fNBinsToScale - 1;
+
+ for (UInt_t i = offset; i< nbins; i++)
+ {
+ if ( num->GetBinContent(i) > 0.0 )
+ {
+ densum += den->GetBinContent(i);
+ numsum += num->GetBinContent(i);
+ }
+ }
+
+ AliDebug(1,Form("numsum=%f densum=%f fNBinsToScaleX=%d",numsum,densum,fNBinsToScale));
+
+ if (numsum == 0) return 0.0;
+ Double_t ret = densum/numsum;
+
+ AliDebug(1,Form("returning %f",ret));
+ return ret;
+}
+
+/******************************************************************/
+/******************************************************************/
+/******************************************************************/
+
+//____________________
+///////////////////////////////////////////////////////
+// //
+// AliHBTFunction2D //
+// //
+// Base Calss for 2-dimensinal Functions //
+// //
+// Piotr.Skowronski@cern.ch //
+// http://aliweb.cern.ch/people/skowron/analyzer //
+// //
+///////////////////////////////////////////////////////
+
+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
+const Float_t AliHBTFunction2D::fgkDefaultMaxX = 1.5;//Default max value of X axis inhistograms
+
+const Int_t AliHBTFunction2D::fgkDefaultNBinsY = 200;//default number of Bins in histograms
+const Float_t AliHBTFunction2D::fgkDefaultMinY = -0.15;//Default min value of histograms
+const Float_t AliHBTFunction2D::fgkDefaultMaxY = 0.15;//Default max value of histograms
+
+const UInt_t AliHBTFunction2D::fgkDefaultNBinsToScaleX = 30;//Default number of X bins used for scaling to tale
+const UInt_t AliHBTFunction2D::fgkDefaultNBinsToScaleY = 30;//Default number of bins used for scaling to tale
+
+/******************************************************************/
+AliHBTFunction2D::AliHBTFunction2D():
+ fNumerator(0x0),
+ fDenominator(0x0),
+ fNBinsToScaleX(fgkDefaultNBinsToScaleX),
+ fNBinsToScaleY(fgkDefaultNBinsToScaleY)
+{//default constructor
+}
+/******************************************************************/
+AliHBTFunction2D::AliHBTFunction2D(const Char_t *name, const Char_t *title):
+ AliHBTFunction(name,title),
+ fNumerator(0x0),
+ fDenominator(0x0),
+ fNBinsToScaleX(fgkDefaultNBinsToScaleX),
+ fNBinsToScaleY(fgkDefaultNBinsToScaleY)
+{//constructor
+}
+/******************************************************************/
+
+AliHBTFunction2D::AliHBTFunction2D(Int_t nXbins, Double_t maxXval, Double_t minXval,
+ Int_t nYbins, Double_t maxYval, Double_t minYval):
+ fNumerator(0x0),
+ fDenominator(0x0),
+ fNBinsToScaleX(fgkDefaultNBinsToScaleX),
+ fNBinsToScaleY(fgkDefaultNBinsToScaleY)
+{
+ BuildHistos(nXbins,maxXval,minXval,nYbins,maxYval,minYval);
+}
+/******************************************************************/
+
+AliHBTFunction2D::AliHBTFunction2D(const Char_t *name, const Char_t *title,
+ Int_t nXbins, Double_t maxXval, Double_t minXval,
+ Int_t nYbins, Double_t maxYval, Double_t minYval):
+ AliHBTFunction(name,title),
+ fNumerator(0x0),
+ fDenominator(0x0),
+ fNBinsToScaleX(fgkDefaultNBinsToScaleX),
+ fNBinsToScaleY(fgkDefaultNBinsToScaleY)
+{
+ 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()
+{
+//Creates default histograms
+ BuildHistos(fgkDefaultNBinsX,fgkDefaultMaxX,fgkDefaultMinX,
+ fgkDefaultNBinsY,fgkDefaultMaxY,fgkDefaultMinY);
+}
+/******************************************************************/
+
+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
+ TString denstr = fName + " Denominator";//title and name of the
//denominator histogram
- fNumerator = new TH1D(numstr.Data(),numstr.Data(),nbins,minXval,maxXval);
- fDenominator = new TH1D(denstr.Data(),denstr.Data(),nbins,minXval,maxXval);
-
- fNumerator->Sumw2();
- fDenominator->Sumw2();
+ fNumerator = new TH2D(numstr.Data(),numstr.Data(),
+ nxbins,xmin,xmax,nybins,ymin,ymax);
+
+ fDenominator = new TH2D(denstr.Data(),denstr.Data(),
+ nxbins,xmin,xmax,nybins,ymin,ymax);
+
+ fNumerator->Sumw2();
+ fDenominator->Sumw2();
+}
+/******************************************************************/
+
+void AliHBTFunction2D::SetNumberOfBinsToScale(UInt_t xn, UInt_t yn)
+{
+//defines area used for scaling factor calculation
+ fNBinsToScaleX = xn;
+ fNBinsToScaleY = yn;
+}
+/******************************************************************/
+
+Double_t AliHBTFunction2D::Scale()
+{
+// Calculates the factor that should be used to scale
+// quatience of fNumerator and fDenominator to 1 at
+// given region
+ AliDebug(1,"Entered");
+ if(!fNumerator)
+ {
+ AliError("No numerator");
+ return 0.0;
+ }
+ if(!fDenominator)
+ {
+ AliError("No denominator");
+ return 0.0;
+ }
+
+ if( (fNBinsToScaleX < 1) || (fNBinsToScaleY < 1) )
+ {
+ AliError("Number of bins for scaling is smaller thnan 1");
+ return 0.0;
+ }
+ UInt_t nbinsX = fNumerator->GetNbinsX();
+ if (fNBinsToScaleX > nbinsX)
+ {
+ AliError("Number of X bins for scaling is bigger thnan number of bins in histograms");
+ return 0.0;
+ }
- }
+ UInt_t nbinsY = fNumerator->GetNbinsX();
+ if (fNBinsToScaleY > nbinsY)
+ {
+ AliError("Number of Y bins for scaling is bigger thnan number of bins in histograms");
+ return 0.0;
+ }
+
+ AliDebug(1,"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 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 )
+ {
+ densum += fDenominator->GetBinContent(i,j);
+ numsum += fNumerator->GetBinContent(i,j);
+ }
+ }
+
+ AliDebug(1,Form("numsum=%f densum=%f fNBinsToScaleX=%d fNBinsToScaleY=%d",
+ numsum,densum,fNBinsToScaleX,fNBinsToScaleY));
+
+ if (numsum == 0) return 0.0;
+ Double_t ret = densum/numsum;
+
+ AliDebug(1,Form("returning %f",ret));
+ return ret;
+}
+
/******************************************************************/
-AliHBTTwoPartFctn1D::~AliHBTTwoPartFctn1D()
+/******************************************************************/
+/******************************************************************/
+
+//____________________
+///////////////////////////////////////////////////////
+// //
+// AliHBTFunction3D //
+// //
+// Base Calss for 3-dimensinal Functions //
+// //
+// Piotr.Skowronski@cern.ch //
+// http://aliweb.cern.ch/people/skowron/analyzer //
+// //
+///////////////////////////////////////////////////////
+
+ClassImp( AliHBTFunction3D)
+
+const Int_t AliHBTFunction3D::fgkDefaultNBinsX = 200;//default number of Bins in X axis in histograms
+const Float_t AliHBTFunction3D::fgkDefaultMinX = 0.0;//Default min value of X axis in histograms
+const Float_t AliHBTFunction3D::fgkDefaultMaxX = 1.5;//Default max value of X axis inhistograms
+
+const Int_t AliHBTFunction3D::fgkDefaultNBinsY = 200;//default number of Bins in histograms
+const Float_t AliHBTFunction3D::fgkDefaultMinY = -0.15;//Default min value of histograms
+const Float_t AliHBTFunction3D::fgkDefaultMaxY = 0.15;//Default max value of histograms
+
+const Int_t AliHBTFunction3D::fgkDefaultNBinsZ = 200;//default number of Bins in histograms
+const Float_t AliHBTFunction3D::fgkDefaultMinZ = -0.15;//Default min value of histograms
+const Float_t AliHBTFunction3D::fgkDefaultMaxZ = 0.15;//Default max value of histograms
+
+const UInt_t AliHBTFunction3D::fgkDefaultNBinsToScaleX = 30;//Default number of X bins used for scaling to tale
+const UInt_t AliHBTFunction3D::fgkDefaultNBinsToScaleY = 30;//Default number of bins used for scaling to tale
+const UInt_t AliHBTFunction3D::fgkDefaultNBinsToScaleZ = 30;//Default number of bins used for scaling to tale
+
+AliHBTFunction3D::AliHBTFunction3D():
+ fNumerator(0x0),
+ fDenominator(0x0),
+ fNBinsToScaleX(fgkDefaultNBinsToScaleX),
+ fNBinsToScaleY(fgkDefaultNBinsToScaleY),
+ fNBinsToScaleZ(fgkDefaultNBinsToScaleZ)
{
- delete fNumerator;
- delete fDenominator;
+ //constructor
}
/******************************************************************/
+
+AliHBTFunction3D::AliHBTFunction3D(const Char_t *name, const Char_t *title):
+ AliHBTFunction(name,title),
+ fNumerator(0x0),
+ fDenominator(0x0),
+ fNBinsToScaleX(fgkDefaultNBinsToScaleX),
+ fNBinsToScaleY(fgkDefaultNBinsToScaleY),
+ fNBinsToScaleZ(fgkDefaultNBinsToScaleZ)
+{
+ //constructor
+}
+/******************************************************************/
+
+AliHBTFunction3D::AliHBTFunction3D(Int_t nXbins, Double_t maxXval, Double_t minXval,
+ Int_t nYbins, Double_t maxYval, Double_t minYval,
+ Int_t nZbins, Double_t maxZval, Double_t minZval):
+ fNumerator(0x0),
+ fDenominator(0x0),
+ fNBinsToScaleX(fgkDefaultNBinsToScaleX),
+ fNBinsToScaleY(fgkDefaultNBinsToScaleY),
+ fNBinsToScaleZ(fgkDefaultNBinsToScaleZ)
+{
+ //constructor
+ BuildHistos( nXbins,maxXval,minXval,nYbins,maxYval,minYval,nZbins,maxZval,minZval);
+}
+/******************************************************************/
+
+AliHBTFunction3D::AliHBTFunction3D(const Char_t *name, const Char_t *title,
+ Int_t nXbins, Double_t maxXval, Double_t minXval,
+ Int_t nYbins, Double_t maxYval, Double_t minYval,
+ Int_t nZbins, Double_t maxZval, Double_t minZval):
+ AliHBTFunction(name,title),
+ fNumerator(0x0),
+ fDenominator(0x0),
+ fNBinsToScaleX(fgkDefaultNBinsToScaleX),
+ fNBinsToScaleY(fgkDefaultNBinsToScaleY),
+ fNBinsToScaleZ(fgkDefaultNBinsToScaleZ)
+{
+ //constructor
+ BuildHistos( nXbins,maxXval,minXval,nYbins,maxYval,minYval,nZbins,maxZval,minZval);
+}
/******************************************************************/
+
+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;
+ }
/******************************************************************/
-ClassImp( AliHBTTwoPartFctn2D )
-AliHBTTwoPartFctn2D::
-AliHBTTwoPartFctn2D(Int_t nXbins, Double_t maxXval, Double_t minXval ,
- Int_t nYbins, Double_t maxYval, Double_t minYval)
+AliHBTFunction3D::~AliHBTFunction3D()
+{
+ delete fNumerator;
+ delete fDenominator;
+}
+/******************************************************************/
+
+void AliHBTFunction3D::BuildHistos()
+{
+//Creates default histograms
+ BuildHistos(fgkDefaultNBinsX,fgkDefaultMaxX,fgkDefaultMinX,
+ fgkDefaultNBinsY,fgkDefaultMaxY,fgkDefaultMinY,
+ fgkDefaultNBinsZ,fgkDefaultMaxZ,fgkDefaultMinZ);
+}
+/******************************************************************/
+void AliHBTFunction3D::BuildHistos(Int_t nxbins, Float_t xmax, Float_t xmin,
+ 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)
+
+ AliDebug(1,"Entered");
+
+ if (fNumerator )
+ {
+ delete fNumerator;
+ fNumerator = 0x0;
+ }
+
+ if (fDenominator )
+ {
+ delete fDenominator;
+ fDenominator = 0x0;
+ }
+
TString numstr = fName + " Numerator"; //title and name of the
//numerator histogram
TString denstr = fName + " Denominator";//title and name of the
//denominator histogram
- fNumerator = new TH2D(numstr.Data(),numstr.Data(),
- nXbins,minXval,maxXval,
- nYbins,minYval,maxYval);
+ fNumerator = new TH3F(numstr.Data(),numstr.Data(),
+ nxbins,xmin,xmax,nybins,ymin,ymax,nzbins,zmin,zmax);
- fDenominator = new TH2D(denstr.Data(),denstr.Data(),
- nXbins,minXval,maxXval,
- nYbins,minYval,maxYval);
+ fDenominator = new TH3F(denstr.Data(),denstr.Data(),
+ nxbins,xmin,xmax,nybins,ymin,ymax,nzbins,zmin,zmax);
fNumerator->Sumw2();
fDenominator->Sumw2();
+}
-}
-AliHBTTwoPartFctn2D::~AliHBTTwoPartFctn2D()
+/******************************************************************/
+
+Double_t AliHBTFunction3D::Scale()
{
- delete fNumerator;
- delete fDenominator;
+ // Calculates the factor that should be used to scale
+ // quatience of fNumerator and fDenominator to 1 at
+ // given volume
+ AliDebug(1,"Entered");
+ if(!fNumerator)
+ {
+ AliError("No numerator");
+ return 0.0;
+ }
+ if(!fDenominator)
+ {
+ AliError("No denominator");
+ return 0.0;
+ }
+
+ if( (fNBinsToScaleX < 1) || (fNBinsToScaleY < 1) || (fNBinsToScaleZ < 1))
+ {
+ AliError("Number of bins for scaling is smaller thnan 1");
+ return 0.0;
+ }
+ UInt_t nbinsX = fNumerator->GetNbinsX();
+ if (fNBinsToScaleX > nbinsX)
+ {
+ AliError("Number of X bins for scaling is bigger thnan number of bins in histograms");
+ return 0.0;
+ }
+
+ UInt_t nbinsY = fNumerator->GetNbinsX();
+ if (fNBinsToScaleY > nbinsY)
+ {
+ AliError("Number of Y bins for scaling is bigger thnan number of bins in histograms");
+ return 0.0;
+ }
+
+ UInt_t nbinsZ = fNumerator->GetNbinsZ();
+ if (fNBinsToScaleZ > nbinsZ)
+ {
+ AliError("Number of Z bins for scaling is bigger thnan number of bins in histograms");
+ return 0.0;
+ }
+
+ AliDebug(1,"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 densum = 0.0;
+ Double_t numsum = 0.0;
+
+ for (UInt_t k = offsetZ; k<nbinsZ; k++)
+ for (UInt_t j = offsetY; j<nbinsY; j++)
+ for (UInt_t i = offsetX; i<nbinsX; i++)
+ {
+ if ( fNumerator->GetBinContent(i,j,k) > 0.0 )
+ {
+
+ densum += fDenominator->GetBinContent(i,j,k);
+ numsum += fNumerator->GetBinContent(i,j,k);
+ }
+ }
+
+ AliDebug(1,Form("numsum=%f densum=%f fNBinsToScaleX=%d fNBinsToScaleY=%d fNBinsToScaleZ=%d",
+ numsum,densum,fNBinsToScaleX,fNBinsToScaleY,fNBinsToScaleZ));
+
+ if (numsum == 0) return 0.0;
+ Double_t ret = densum/numsum;
+
+ AliDebug(1,Form("returning %f",ret));
+ return ret;
+}
+/******************************************************************/
+
+void AliHBTFunction3D::SetNumberOfBinsToScale(UInt_t xn, UInt_t yn,UInt_t zn)
+{
+//sets up the volume to be used for scaling to tail
+ fNBinsToScaleX = xn;
+ fNBinsToScaleY = yn;
+ fNBinsToScaleZ = zn;
}
-void AliHBTTwoPartFctn2D::ProcessSameEventParticles(AliHBTPair* pair)
+
+/******************************************************************/
+/******************************************************************/
+/******************************************************************/
+/******************************************************************/
+/******************************************************************/
+/******************************************************************/
+/******************************************************************/
+/******************************************************************/
+/******************************************************************/
+
+//____________________
+///////////////////////////////////////////////////////
+// //
+// AliHBTOnePairFctn1D //
+// //
+// Base Calss for 1-dimensinal Functions that need //
+// one pair to fill function //
+// //
+// Piotr.Skowronski@cern.ch //
+// http://aliweb.cern.ch/people/skowron/analyzer //
+// //
+///////////////////////////////////////////////////////
+
+ClassImp( AliHBTOnePairFctn1D )
+/******************************************************************/
+
+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)
+{
+
+}
+/******************************************************************/
+
+AliHBTOnePairFctn1D::AliHBTOnePairFctn1D(const Char_t *name, const Char_t *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 using pair from the same event
+ pair = CheckPair(pair);
+ if(pair) fNumerator->Fill(GetValue(pair));
+}
+/******************************************************************/
+void AliHBTOnePairFctn1D::ProcessDiffEventParticles(AliHBTPair* pair)
+ {
+ //Fills the denumerator using mixed pairs
+ pair = CheckPair(pair);
+ if(pair) fDenominator->Fill(GetValue(pair));
+ }
+
+/******************************************************************/
+/******************************************************************/
+/******************************************************************/
+
+//____________________
+///////////////////////////////////////////////////////
+// //
+// AliHBTOnePairFctn2D //
+// //
+// Base Calss for 2-dimensinal Functions that need //
+// one pair to fill function //
+// //
+// Piotr.Skowronski@cern.ch //
+// http://aliweb.cern.ch/people/skowron/analyzer //
+// //
+///////////////////////////////////////////////////////
+
+ClassImp( AliHBTOnePairFctn2D )
+/******************************************************************/
+
+AliHBTOnePairFctn2D::AliHBTOnePairFctn2D(const Char_t *name, const Char_t *title):
+ AliHBTFunction2D(name,title)
+{
+ //constructor
+}
+/******************************************************************/
+
+AliHBTOnePairFctn2D::AliHBTOnePairFctn2D(Int_t nXbins, Double_t maxXval, Double_t minXval,
+ Int_t nYbins, Double_t maxYval, Double_t minYval):
+ AliHBTFunction2D(nXbins, maxXval, minXval, nYbins, maxYval, minYval)
+{
+ //constructor
+}
+/******************************************************************/
+
+AliHBTOnePairFctn2D::AliHBTOnePairFctn2D(const Char_t *name, const Char_t *title,
+ Int_t nXbins, Double_t maxXval, Double_t minXval,
+ 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)
{
Double_t x,y;
GetValues(pair,x,y);
- fNumerator->Fill(y,x);
+ fNumerator->Fill(x,y);
}
}
+/******************************************************************/
-void AliHBTTwoPartFctn2D::ProcessDiffEventParticles(AliHBTPair* pair)
+void AliHBTOnePairFctn2D::ProcessDiffEventParticles(AliHBTPair* pair)
{
+ // Fills the denumerator using mixed pairs
pair = CheckPair(pair);
if(pair)
{
Double_t x,y;
GetValues(pair,x,y);
- fDenominator->Fill(y,x);
+ fDenominator->Fill(x,y);
}
+}
+/******************************************************************/
+/******************************************************************/
+/******************************************************************/
+/******************************************************************/
+//____________________
+///////////////////////////////////////////////////////
+// //
+// AliHBTOnePairFctn3D //
+// //
+// Base Calss for 3-dimensinal Functions that need //
+// one pair to fill function //
+// //
+// Piotr.Skowronski@cern.ch //
+// http://aliweb.cern.ch/people/skowron/analyzer //
+// //
+///////////////////////////////////////////////////////
+ClassImp( AliHBTOnePairFctn3D)
+
+/******************************************************************/
+AliHBTOnePairFctn3D::AliHBTOnePairFctn3D(const Char_t *name, const Char_t *title):
+ AliHBTFunction3D(name,title)
+{
+ //constructor
}
+/******************************************************************/
+AliHBTOnePairFctn3D::AliHBTOnePairFctn3D(Int_t nXbins, Double_t maxXval, Double_t minXval,
+ Int_t nYbins, Double_t maxYval, Double_t minYval,
+ Int_t nZbins, Double_t maxZval, Double_t minZval):
+ AliHBTFunction3D(nXbins, maxXval, minXval, nYbins, maxYval, minYval, nZbins, maxZval, minZval)
+{
+ //constructor
+}
+/******************************************************************/
+
+AliHBTOnePairFctn3D::AliHBTOnePairFctn3D(const Char_t *name, const Char_t *title,
+ Int_t nXbins, Double_t maxXval, Double_t minXval,
+ Int_t nYbins, Double_t maxYval, Double_t minYval,
+ Int_t nZbins, Double_t maxZval, Double_t minZval):
+ AliHBTFunction3D(name,title,nXbins, maxXval, minXval, nYbins, maxYval, minYval, nZbins, maxZval, minZval)
+{
+ //constructor
+}
+/******************************************************************/
+
+void AliHBTOnePairFctn3D::ProcessSameEventParticles(AliHBTPair* pair)
+{
+//Reacts on pair coming from same event (real pairs)
+//and fills numerator histogram
+ pair = CheckPair(pair);
+ if( pair )
+ {
+ Double_t x,y,z;
+ GetValues(pair,x,y,z);
+ fNumerator->Fill(x,y,z);
+ }
+}
+/******************************************************************/
+
+void AliHBTOnePairFctn3D::ProcessDiffEventParticles(AliHBTPair* pair)
+{
+//Reacts on pair coming from different events (mixed pairs)
+//and fills denominator histogram
+ pair = CheckPair(pair);
+ if( pair )
+ {
+ Double_t x,y,z;
+ GetValues(pair,x,y,z);
+ fDenominator->Fill(x,y,z);
+ }
+}
/******************************************************************/
/******************************************************************/
/******************************************************************/
-ClassImp( AliHBTTwoPartFctn3D)
+//____________________
+///////////////////////////////////////////////////////
+// //
+// AliHBTTwoPairFctn1D //
+// //
+// Base Calss for 1-dimensinal Functions that need //
+// two pair (simulated and reconstructed) //
+// to fill function //
+// //
+// Piotr.Skowronski@cern.ch //
+// http://aliweb.cern.ch/people/skowron/analyzer //
+// //
+///////////////////////////////////////////////////////
+ClassImp(AliHBTTwoPairFctn1D)
+/******************************************************************/
-AliHBTTwoPartFctn3D::
-AliHBTTwoPartFctn3D(Int_t nXbins, Double_t maxXval, Double_t minXval,
- Int_t nYbins, Double_t maxYval, Double_t minYval,
- Int_t nZbins, Double_t maxZval, Double_t minZval)
+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)
{
- 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,minXval,maxXval,
- nYbins,minYval,maxYval,
- nZbins,minZval,maxZval);
-
- fDenominator = new TH3D(denstr.Data(),denstr.Data(),
- nXbins,minXval,maxXval,
- nYbins,minYval,maxYval,
- nZbins,minZval,maxZval);
-
- fNumerator->Sumw2();
- fDenominator->Sumw2();
+ //constructor
+}
+/******************************************************************/
-}
+AliHBTTwoPairFctn1D::AliHBTTwoPairFctn1D(const Char_t *name, const Char_t *title,
+ 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
+ trackpair = CheckPair(trackpair);
+ if( trackpair == 0x0) return;
+
+ Double_t x = GetValue(trackpair,partpair);
+ fNumerator->Fill(x);
+}
+/******************************************************************/
+void AliHBTTwoPairFctn1D::ProcessDiffEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair)
+{
+ // Fills the denumerator usin mixed pairs
+ trackpair = CheckPair(trackpair);
+ if( trackpair == 0x0) return;
+
+ Double_t x = GetValue(trackpair,partpair);
+ fDenominator->Fill(x);
+}
+/******************************************************************/
+/******************************************************************/
+/******************************************************************/
-AliHBTTwoPartFctn3D::~AliHBTTwoPartFctn3D()
+//____________________
+///////////////////////////////////////////////////////
+// //
+// AliHBTTwoPairFctn2D //
+// //
+// Base Calss for 2-dimensinal Functions that need //
+// two pair (simulated and reconstructed) //
+// to fill function //
+// //
+// Piotr.Skowronski@cern.ch //
+// http://aliweb.cern.ch/people/skowron/analyzer //
+// //
+///////////////////////////////////////////////////////
+
+ClassImp(AliHBTTwoPairFctn2D)
+
+/******************************************************************/
+
+AliHBTTwoPairFctn2D::AliHBTTwoPairFctn2D(const Char_t *name, const Char_t *title):
+ AliHBTFunction2D(name,title)
{
- delete fNumerator;
- delete fDenominator;
+ //constructor
}
+/******************************************************************/
+
+AliHBTTwoPairFctn2D::AliHBTTwoPairFctn2D(Int_t nXbins, Double_t maxXval, Double_t minXval,
+ Int_t nYbins, Double_t maxYval, Double_t minYval):
+ AliHBTFunction2D(nXbins, maxXval, minXval, nYbins, maxYval, minYval)
+{
+ //constructor
+}
+/******************************************************************/
+
+AliHBTTwoPairFctn2D::AliHBTTwoPairFctn2D(const Char_t *name, const Char_t *title,
+ Int_t nXbins, Double_t maxXval, Double_t minXval,
+ Int_t nYbins, Double_t maxYval, Double_t minYval):
+ AliHBTFunction2D(name,title,nXbins, maxXval, minXval, nYbins, maxYval, minYval)
+{
+ //constructor
+}
+/******************************************************************/
+
+void AliHBTTwoPairFctn2D::ProcessSameEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair)
+{
+//processes pair of particles coming from a same events (real pair)
+ trackpair = CheckPair(trackpair);
+ if( trackpair == 0x0) return;
+
+ Double_t x,y;
+ GetValues(trackpair,partpair,x,y);
+ fNumerator->Fill(x,y);
+}
+/******************************************************************/
+void AliHBTTwoPairFctn2D::ProcessDiffEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair)
+{
+//processes pair of particles coming from a different events (mixed pair)
+ trackpair = CheckPair(trackpair);
+ if( trackpair == 0x0) return;
+
+ Double_t x,y;
+ GetValues(trackpair,partpair,x,y);
+ fDenominator->Fill(x,y);
+}
/******************************************************************/
/******************************************************************/
/******************************************************************/
-ClassImp( AliHBTFourPartFctn2D)
+//____________________
+///////////////////////////////////////////////////////
+// //
+// AliHBTTwoPairFctn3D //
+// //
+// Base Calss for 3-dimensinal Functions that need //
+// two pair (simulated and reconstructed) //
+// to fill function //
+// //
+// Piotr.Skowronski@cern.ch //
+// http://aliweb.cern.ch/people/skowron/analyzer //
+// //
+///////////////////////////////////////////////////////
-AliHBTFourPartFctn2D::
-AliHBTFourPartFctn2D(Int_t nXbins, Double_t maxXval, Double_t minXval ,
- Int_t nYbins, Double_t maxYval, Double_t minYval)
+ClassImp(AliHBTTwoPairFctn3D)
+/******************************************************************/
+
+AliHBTTwoPairFctn3D::AliHBTTwoPairFctn3D(const Char_t *name, const Char_t *title):
+ AliHBTFunction3D(name,title)
{
- TString numstr = fName + " Numerator"; //title and name of the
- //numerator histogram
- TString denstr = fName + " Denominator";//title and name of the
- //denominator histogram
-
- fNumerator = new TH2D(numstr.Data(),numstr.Data(),
- nXbins,minXval,maxXval,
- nYbins,minYval,maxYval);
-
- fDenominator = new TH2D(denstr.Data(),denstr.Data(),
- nXbins,minXval,maxXval,
- nYbins,minYval,maxYval);
-
- fNumerator->Sumw2();
- fDenominator->Sumw2();
+ //constructor
+}
+/******************************************************************/
-}
-AliHBTFourPartFctn2D::~AliHBTFourPartFctn2D()
+AliHBTTwoPairFctn3D::AliHBTTwoPairFctn3D(Int_t nXbins, Double_t maxXval, Double_t minXval,
+ Int_t nYbins, Double_t maxYval, Double_t minYval,
+ Int_t nZbins, Double_t maxZval, Double_t minZval):
+ AliHBTFunction3D(nXbins, maxXval, minXval, nYbins, maxYval, minYval, nZbins, maxZval, minZval)
{
- delete fNumerator;
- delete fDenominator;
+ //constructor
}
-void AliHBTFourPartFctn2D::
-ProcessSameEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair)
+/******************************************************************/
+
+AliHBTTwoPairFctn3D::AliHBTTwoPairFctn3D(const Char_t *name, const Char_t *title,
+ Int_t nXbins, Double_t maxXval, Double_t minXval,
+ Int_t nYbins, Double_t maxYval, Double_t minYval,
+ Int_t nZbins, Double_t maxZval, Double_t minZval):
+ AliHBTFunction3D(name,title,nXbins, maxXval, minXval, nYbins, maxYval, minYval, nZbins, maxZval, minZval)
{
- partpair = CheckPair(partpair);
- trackpair = CheckPair(trackpair);
- if( partpair && trackpair)
- {
- Double_t x,y;
- GetValues(trackpair,partpair,x,y);
- fNumerator->Fill(y,x);
- }
+ //constructor
}
+/******************************************************************/
-void AliHBTFourPartFctn2D::
-ProcessDiffEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair)
+void AliHBTTwoPairFctn3D::ProcessSameEventParticles(AliHBTPair* trackpair, AliHBTPair* partpair)
{
- partpair = CheckPair(partpair);
- trackpair = CheckPair(trackpair);
- if( partpair && trackpair)
- {
- Double_t x,y;
- GetValues(trackpair,partpair,x,y);
- fDenominator->Fill(y,x);
- }
+ // Fills th numerator using pairs from the same event
+ trackpair = CheckPair(trackpair);
+ if( trackpair == 0x0) return;
+
+ 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
+ trackpair = CheckPair(trackpair);
+ if( trackpair == 0x0) return;
+
+ Double_t x,y,z;
+ GetValues(trackpair,partpair,x,y,z);
+ fDenominator->Fill(x,y,z);
}
+/******************************************************************/
+/******************************************************************/
+/******************************************************************/
+
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff