+/**************************************************************************
+ * 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. *
+ **************************************************************************/
+
+/* $Id$ */
+
/////////////////////////////////////////////////////////////////////////
//Steering Class for PID in the ITS //
//The PID is based on the likelihood of all the four ITS' layers, //
// Origin: Elena Bruna bruna@to.infn.it, Massimo Masera masera@to.infn.it//
/////////////////////////////////////////////////////////////////////////
+#include <TClonesArray.h>
+#include <TMath.h>
+
#include "AliITSSteerPid.h"
ClassImp(AliITSSteerPid)
//______________________________________________________________
- AliITSSteerPid::AliITSSteerPid(){
+AliITSSteerPid::AliITSSteerPid():
+fClonarr2(0),
+fVect2(0),
+fVect2lay1(0),
+fVect2lay2(0),
+fVect2lay3(0),
+fVect2lay4(0),
+fFitTree(0),
+fItem(0),
+fPCenter(0),
+fPWidth(0)
+{
// default constructor
- fClonarr2=0;
- fVect2=0;
- fItem=0;
- fFitTree=0;
-}
+ }
//______________________________________________________________
AliITSSteerPid::~AliITSSteerPid(){
// destructor
}
//______________________________________________________________________
-AliITSSteerPid::AliITSSteerPid(const AliITSSteerPid &ob) :TObject(ob) {
+AliITSSteerPid::AliITSSteerPid(const AliITSSteerPid &ob) :TObject(ob),
+fClonarr2(ob.fClonarr2),
+fVect2(ob.fVect2),
+fVect2lay1(ob.fVect2lay1),
+fVect2lay2(ob.fVect2lay2),
+fVect2lay3(ob.fVect2lay3),
+fVect2lay4(ob.fVect2lay4),
+fFitTree(ob.fFitTree),
+fItem(ob.fItem),
+fPCenter(ob.fPCenter),
+fPWidth(ob.fPWidth) {
// Copy constructor
- // Copies are not allowed. The method is protected to avoid misuse.
- Error("AliITSSteerPid","Copy constructor not allowed\n");
}
//______________________________________________________________________
-AliITSSteerPid& AliITSSteerPid::operator=(const AliITSSteerPid& /* ob */){
+AliITSSteerPid& AliITSSteerPid::operator=(const AliITSSteerPid& ob){
// Assignment operator
- // Assignment is not allowed. The method is protected to avoid misuse.
- Error("= operator","Assignment operator not allowed\n");
+ this->~AliITSSteerPid();
+ new(this) AliITSSteerPid(ob);
return *this;
}
//______________________________________________________________
void AliITSSteerPid::InitLayer(TString fileITS,TString fileFitPar){
// it opens the files useful for the PID
- printf("££££ InitLayer.....\n");
- TFile *fClonarr2=new TFile (fileITS,"r");
+ fClonarr2=new TFile (fileITS,"r");
fVect2=(TClonesArray*)fClonarr2->Get("vectfitits_0");//truncated mean
fVect2lay1=(TClonesArray*)fClonarr2->Get("vectfitits_1");//lay 1
fVect2lay2=(TClonesArray*)fClonarr2->Get("vectfitits_2");//lay 2
TFile *fFitPar=new TFile (fileFitPar);
fFitTree=(TTree*)fFitPar->Get("tree");
- printf("££££ InitLayer.....DONE \n");
}
//______________________________________________________________
//______________________________________________________________
void AliITSSteerPid::GetParFitLayer(Int_t nolay,Float_t mom,Double_t *parp,Double_t *park,Double_t *parpi){
- //it gives the parameters of the convoluted functions (WL, MP, WG) for protons, kaons and pions for a given momentum and ITS layer
+ //it gives the parameters of the convoluted functions (WL, MP, WG) for
+ //protons, kaons and pions for a given momentum and ITS layer
Double_t parfit0pro[3]={0,0,0};
Double_t parfit1pro[3]={0,0,0};
}//______________________________________________________________
void AliITSSteerPid::GetLangausProPars(Float_t mom,Double_t *parfit0,Double_t *parfit1,Double_t *parfit3,Double_t *par){
- //It finds the parameters of the convoluted Landau-Gaussian response function for protons (Width Landau, Most Probable, Width Gaussian)
+ //It finds the parameters of the convoluted Landau-Gaussian response
+ //function for protons (Width Landau, Most Probable, Width Gaussian)
par[0]=parfit0[0]+parfit0[1]/mom;
par[1]=parfit1[0]/(mom*mom)+parfit1[1]/(mom*mom)*TMath::Log(mom*mom)+parfit1[2];
par[2]=parfit3[0]/(mom*mom)+parfit3[1]/(mom*mom)*TMath::Log(mom*mom)+parfit3[2];
}
//______________________________________________________________
void AliITSSteerPid::GetLangausKaoPars(Float_t mom,Double_t *parfit0,Double_t *parfit1,Double_t *parfit3,Double_t *par){
- // It finds the parameters of the convoluted Landau-Gaussian response function for kaons (Width Landau, Most Probable, Width Gaussian)
+ // It finds the parameters of the convoluted Landau-Gaussian response
+ //function for kaons (Width Landau, Most Probable, Width Gaussian)
par[0]=parfit0[0]+parfit0[1]/(mom*mom);
par[1]=parfit1[0]/(mom*mom)+parfit1[1]/(mom*mom)*TMath::Log(mom*mom)+parfit1[2];
//______________________________________________________________
void AliITSSteerPid::GetLangausPiPars(Float_t mom,Double_t *parfit0,Double_t *parfit1,Double_t *parfit3,Double_t *par){
- //It finds the parameters of the convoluted Landau-Gaussian response function for pions (Width Landau, Most Probable, Width Gaussian)
+ //It finds the parameters of the convoluted Landau-Gaussian response
+ //function for pions (Width Landau, Most Probable, Width Gaussian)
par[0]=parfit0[0]/(mom*mom)+parfit0[1]/(mom*mom)*TMath::Log(mom*mom)+parfit0[2];
par[1]=parfit1[0]/(mom)+parfit1[1]/(mom)*TMath::Log(mom*mom)+parfit1[2];
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff