[u/mrichter/AliRoot.git] / STEER / AliESDZDC.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.                  *
 **************************************************************************/


//-------------------------------------------------------------------------
//                      Implementation of   Class AliESDZDC
//   This is a class that summarizes the ZDC data
//   for the ESD   
//   Origin: Christian Klein-Boesing, CERN, Christian.Klein-Boesing@cern.ch 
//-------------------------------------------------------------------------


#include "AliESDZDC.h"

ClassImp(AliESDZDC)

Float_t funCParCentr(const Int_t n) {return 1.8936-0.7126/(n + 0.7179);}

//______________________________________________________________________________
AliESDZDC::AliESDZDC() :
  TObject(),
  fZDCN1Energy(0),
  fZDCP1Energy(0),
  fZDCN2Energy(0),
  fZDCP2Energy(0),
  fZDCEMEnergy(0),
  fZDCEMEnergy1(0),
  fZDCParticipants(0)
{
  for(Int_t i=0; i<5; i++){
    fZN1TowerEnergy[i] = fZN2TowerEnergy[i] = 0.;
    fZP1TowerEnergy[i] = fZP2TowerEnergy[i] = 0.;
    fZN1TowerEnergyLR[i] = fZN2TowerEnergyLR[i] = 0.;
    fZP1TowerEnergyLR[i] = fZP2TowerEnergyLR[i] = 0.;
  }
  for(Int_t i=0; i<2; i++){
    fZNACentrCoord[i] = fZNCCentrCoord[i] = 0.;
  }
}

AliESDZDC::AliESDZDC(const AliESDZDC& zdc) :
  TObject(zdc),
  fZDCN1Energy(zdc.fZDCN1Energy),
  fZDCP1Energy(zdc.fZDCP1Energy),
  fZDCN2Energy(zdc.fZDCN2Energy),
  fZDCP2Energy(zdc.fZDCP2Energy),
  fZDCEMEnergy(zdc.fZDCEMEnergy),
  fZDCEMEnergy1(zdc.fZDCEMEnergy1),
  fZDCParticipants(zdc.fZDCParticipants)
{
  // copy constructor
  for(Int_t i=0; i<5; i++){
     fZN1TowerEnergy[i] = zdc.fZN1TowerEnergy[i];
     fZN2TowerEnergy[i] = zdc.fZN2TowerEnergy[i];
     fZP1TowerEnergy[i] = zdc.fZP1TowerEnergy[i];
     fZP2TowerEnergy[i] = zdc.fZP2TowerEnergy[i];
     fZN1TowerEnergyLR[i] = zdc.fZN1TowerEnergyLR[i];
     fZN2TowerEnergyLR[i] = zdc.fZN2TowerEnergyLR[i];
     fZP1TowerEnergyLR[i] = zdc.fZP1TowerEnergyLR[i];
     fZP2TowerEnergyLR[i] = zdc.fZP2TowerEnergyLR[i];
  }
  for(Int_t i=0; i<2; i++){
    fZNACentrCoord[i] = zdc.fZNACentrCoord[i];
    fZNCCentrCoord[i] = zdc.fZNCCentrCoord[i];
  }
}

AliESDZDC& AliESDZDC::operator=(const AliESDZDC&zdc)
{
  // assigment operator
  if(this!=&zdc) {
    TObject::operator=(zdc);
    fZDCN1Energy = zdc.fZDCN1Energy;
    fZDCP1Energy = zdc.fZDCP1Energy;
    fZDCN2Energy = zdc.fZDCN2Energy;
    fZDCP2Energy = zdc.fZDCP2Energy;
    fZDCParticipants = zdc.fZDCParticipants;
    fZDCEMEnergy = zdc.fZDCEMEnergy;
    fZDCEMEnergy1 = zdc.fZDCEMEnergy1;
    for(Int_t i=0; i<5; i++){
       fZN1TowerEnergy[i] = zdc.fZN1TowerEnergy[i];
       fZN2TowerEnergy[i] = zdc.fZN2TowerEnergy[i];
       fZP1TowerEnergy[i] = zdc.fZP1TowerEnergy[i];
       fZP2TowerEnergy[i] = zdc.fZP2TowerEnergy[i];
       fZN1TowerEnergyLR[i] = zdc.fZN1TowerEnergyLR[i];
       fZN2TowerEnergyLR[i] = zdc.fZN2TowerEnergyLR[i];
       fZP1TowerEnergyLR[i] = zdc.fZP1TowerEnergyLR[i];
       fZP2TowerEnergyLR[i] = zdc.fZP2TowerEnergyLR[i];
    }
    for(Int_t i=0; i<2; i++){
         fZNACentrCoord[i] = zdc.fZNACentrCoord[i];
         fZNCCentrCoord[i] = zdc.fZNCCentrCoord[i];
    }
  } 
  return *this;
}

void AliESDZDC::Copy(TObject &obj) const {
  
  // this overwrites the virtual TOBject::Copy()
  // to allow run time copying without casting
  // in AliESDEvent

  if(this==&obj)return;
  AliESDZDC *robj = dynamic_cast<AliESDZDC*>(&obj);
  if(!robj)return; // not an AliESDZDC
  *robj = *this;

}


//______________________________________________________________________________
void AliESDZDC::Reset()
{
  // reset all data members
  fZDCN1Energy=0;
  fZDCP1Energy=0;
  fZDCN2Energy=0;
  fZDCP2Energy=0;
  fZDCParticipants=0;  
  fZDCEMEnergy=0;
  fZDCEMEnergy1=0;
  for(Int_t i=0; i<5; i++){
    fZN1TowerEnergy[i] = fZN2TowerEnergy[i] = 0.;
    fZP1TowerEnergy[i] = fZP2TowerEnergy[i] = 0.;
    fZN1TowerEnergyLR[i] = fZN2TowerEnergyLR[i] = 0.;
    fZP1TowerEnergyLR[i] = fZP2TowerEnergyLR[i] = 0.;
  }
  for(Int_t i=0; i<2; i++){
       fZNACentrCoord[i] = fZNCCentrCoord[i] = 0.;
  }
}

//______________________________________________________________________________
void AliESDZDC::Print(const Option_t *) const
{
  //  Print ESD for the ZDC
  printf("\n \t ZN1Energy = %f TeV, ZP1Energy = %f TeV, ZN2Energy = %f TeV,"
  " ZP2Energy = %f, Nparticipants = %d\n",
  fZDCN1Energy,fZDCP1Energy,fZDCN2Energy,fZDCP2Energy,fZDCParticipants);
}

//______________________________________________________________________________
Double32_t * AliESDZDC::GetZNCCentroid(Int_t NspecnC) 
{
  // Provide coordinates of centroid over ZN (side C) front face
  Float_t x[4] = {-1.75, 1.75, -1.75, 1.75};
  Float_t y[4] = {-1.75, -1.72, 1.75, 1.75};
  Float_t NumX=0., NumY=0., Den=0.;
  Float_t alpha=0.395, w;
  for(Int_t i=1; i<5; i++){
    w = TMath::Power(fZN1TowerEnergy[i], alpha);
    NumX += x[i]*w;
    NumY += y[i]*w;
    Den += w;
  }
  if(Den!=0){
    fZNCCentrCoord[0] = funCParCentr(NspecnC)*NumX/Den;
    fZNCCentrCoord[1] = funCParCentr(NspecnC)*NumY/Den;
  }
  return fZNCCentrCoord;
}

//______________________________________________________________________________
Double32_t * AliESDZDC::GetZNACentroid(Int_t NspecnA) 
{
  // Provide coordinates of centroid over ZN (side A) front face
  Float_t x[4] = {-1.75, 1.75, -1.75, 1.75};
  Float_t y[4] = {-1.75, -1.72, 1.75, 1.75};
  Float_t NumX=0., NumY=0., Den=0.;
  Float_t alpha=0.395, w;
  for(Int_t i=1; i<5; i++){
    w = TMath::Power(fZN2TowerEnergy[i], alpha);
    NumX += x[i]*w;
    NumY += y[i]*w;
    Den += w;
  }
  //
  if(Den!=0){
    fZNACentrCoord[0] = funCParCentr(NspecnA)*NumX/Den;
    fZNACentrCoord[1] = funCParCentr(NspecnA)*NumY/Den;
  }
  return fZNACentrCoord;
}
Commit	Line	Data
d5ebf00e	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
	17	//-------------------------------------------------------------------------
	18	// Implementation of Class AliESDZDC
	19	// This is a class that summarizes the ZDC data
	20	// for the ESD
	21	// Origin: Christian Klein-Boesing, CERN, Christian.Klein-Boesing@cern.ch
	22	//-------------------------------------------------------------------------
	23
	24
	25
	26	#include "AliESDZDC.h"
	27
	28	ClassImp(AliESDZDC)
	29
89291556	30	Float_t funCParCentr(const Int_t n) {return 1.8936-0.7126/(n + 0.7179);}
d1d3e36b	31
d5ebf00e	32	//______________________________________________________________________________
	33	AliESDZDC::AliESDZDC() :
	34	TObject(),
	35	fZDCN1Energy(0),
	36	fZDCP1Energy(0),
	37	fZDCN2Energy(0),
	38	fZDCP2Energy(0),
f6536de8	39	fZDCEMEnergy(0),
f6536de8	40	fZDCEMEnergy1(0),
d5ebf00e	41	fZDCParticipants(0)
d5ebf00e	42	{
89291556	43	for(Int_t i=0; i<5; i++){
a85132e7	44	fZN1TowerEnergy[i] = fZN2TowerEnergy[i] = 0.;
	45	fZP1TowerEnergy[i] = fZP2TowerEnergy[i] = 0.;
	46	fZN1TowerEnergyLR[i] = fZN2TowerEnergyLR[i] = 0.;
	47	fZP1TowerEnergyLR[i] = fZP2TowerEnergyLR[i] = 0.;
	48	}
89291556	49	for(Int_t i=0; i<2; i++){
	50	fZNACentrCoord[i] = fZNCCentrCoord[i] = 0.;
	51	}
d5ebf00e	52	}
	53
	54	AliESDZDC::AliESDZDC(const AliESDZDC& zdc) :
	55	TObject(zdc),
	56	fZDCN1Energy(zdc.fZDCN1Energy),
	57	fZDCP1Energy(zdc.fZDCP1Energy),
	58	fZDCN2Energy(zdc.fZDCN2Energy),
	59	fZDCP2Energy(zdc.fZDCP2Energy),
f6536de8	60	fZDCEMEnergy(zdc.fZDCEMEnergy),
f6536de8	61	fZDCEMEnergy1(zdc.fZDCEMEnergy1),
d5ebf00e	62	fZDCParticipants(zdc.fZDCParticipants)
	63	{
	64	// copy constructor
89291556	65	for(Int_t i=0; i<5; i++){
a85132e7	66	fZN1TowerEnergy[i] = zdc.fZN1TowerEnergy[i];
	67	fZN2TowerEnergy[i] = zdc.fZN2TowerEnergy[i];
	68	fZP1TowerEnergy[i] = zdc.fZP1TowerEnergy[i];
	69	fZP2TowerEnergy[i] = zdc.fZP2TowerEnergy[i];
	70	fZN1TowerEnergyLR[i] = zdc.fZN1TowerEnergyLR[i];
	71	fZN2TowerEnergyLR[i] = zdc.fZN2TowerEnergyLR[i];
	72	fZP1TowerEnergyLR[i] = zdc.fZP1TowerEnergyLR[i];
	73	fZP2TowerEnergyLR[i] = zdc.fZP2TowerEnergyLR[i];
	74	}
89291556	75	for(Int_t i=0; i<2; i++){
	76	fZNACentrCoord[i] = zdc.fZNACentrCoord[i];
	77	fZNCCentrCoord[i] = zdc.fZNCCentrCoord[i];
	78	}
d5ebf00e	79	}
	80
	81	AliESDZDC& AliESDZDC::operator=(const AliESDZDC&zdc)
	82	{
	83	// assigment operator
	84	if(this!=&zdc) {
	85	TObject::operator=(zdc);
	86	fZDCN1Energy = zdc.fZDCN1Energy;
	87	fZDCP1Energy = zdc.fZDCP1Energy;
	88	fZDCN2Energy = zdc.fZDCN2Energy;
	89	fZDCP2Energy = zdc.fZDCP2Energy;
d5ebf00e	90	fZDCParticipants = zdc.fZDCParticipants;
f6536de8	91	fZDCEMEnergy = zdc.fZDCEMEnergy;
f6536de8	92	fZDCEMEnergy1 = zdc.fZDCEMEnergy1;
a85132e7	93	for(Int_t i=0; i<5; i++){
7b4458a2	94	fZN1TowerEnergy[i] = zdc.fZN1TowerEnergy[i];
7b4458a2	95	fZN2TowerEnergy[i] = zdc.fZN2TowerEnergy[i];
a85132e7	96	fZP1TowerEnergy[i] = zdc.fZP1TowerEnergy[i];
	97	fZP2TowerEnergy[i] = zdc.fZP2TowerEnergy[i];
	98	fZN1TowerEnergyLR[i] = zdc.fZN1TowerEnergyLR[i];
	99	fZN2TowerEnergyLR[i] = zdc.fZN2TowerEnergyLR[i];
	100	fZP1TowerEnergyLR[i] = zdc.fZP1TowerEnergyLR[i];
	101	fZP2TowerEnergyLR[i] = zdc.fZP2TowerEnergyLR[i];
7b4458a2	102	}
89291556	103	for(Int_t i=0; i<2; i++){
	104	fZNACentrCoord[i] = zdc.fZNACentrCoord[i];
	105	fZNCCentrCoord[i] = zdc.fZNCCentrCoord[i];
	106	}
d5ebf00e	107	}
	108	return *this;
	109	}
	110
732a24fe	111	void AliESDZDC::Copy(TObject &obj) const {
	112
	113	// this overwrites the virtual TOBject::Copy()
	114	// to allow run time copying without casting
	115	// in AliESDEvent
	116
	117	if(this==&obj)return;
	118	AliESDZDC robj = dynamic_cast<AliESDZDC>(&obj);
	119	if(!robj)return; // not an AliESDZDC
	120	robj = this;
	121
	122	}
	123
d5ebf00e	124
	125	//______________________________________________________________________________
	126	void AliESDZDC::Reset()
	127	{
	128	// reset all data members
	129	fZDCN1Energy=0;
	130	fZDCP1Energy=0;
	131	fZDCN2Energy=0;
	132	fZDCP2Energy=0;
7b4458a2	133	fZDCParticipants=0;
f6536de8	134	fZDCEMEnergy=0;
f6536de8	135	fZDCEMEnergy1=0;
89291556	136	for(Int_t i=0; i<5; i++){
a85132e7	137	fZN1TowerEnergy[i] = fZN2TowerEnergy[i] = 0.;
	138	fZP1TowerEnergy[i] = fZP2TowerEnergy[i] = 0.;
	139	fZN1TowerEnergyLR[i] = fZN2TowerEnergyLR[i] = 0.;
	140	fZP1TowerEnergyLR[i] = fZP2TowerEnergyLR[i] = 0.;
	141	}
89291556	142	for(Int_t i=0; i<2; i++){
	143	fZNACentrCoord[i] = fZNCCentrCoord[i] = 0.;
	144	}
d5ebf00e	145	}
	146
	147	//______________________________________________________________________________
	148	void AliESDZDC::Print(const Option_t *) const
	149	{
a85132e7	150	// Print ESD for the ZDC
	151	printf("\n \t ZN1Energy = %f TeV, ZP1Energy = %f TeV, ZN2Energy = %f TeV,"
	152	" ZP2Energy = %f, Nparticipants = %d\n",
	153	fZDCN1Energy,fZDCP1Energy,fZDCN2Energy,fZDCP2Energy,fZDCParticipants);
d5ebf00e	154	}
d5ebf00e	155
d1d3e36b	156	//______________________________________________________________________________
89291556	157	Double32_t * AliESDZDC::GetZNCCentroid(Int_t NspecnC)
d1d3e36b	158	{
d1d3e36b	159	// Provide coordinates of centroid over ZN (side C) front face
d1d3e36b	160	Float_t x[4] = {-1.75, 1.75, -1.75, 1.75};
	161	Float_t y[4] = {-1.75, -1.72, 1.75, 1.75};
	162	Float_t NumX=0., NumY=0., Den=0.;
	163	Float_t alpha=0.395, w;
	164	for(Int_t i=1; i<5; i++){
	165	w = TMath::Power(fZN1TowerEnergy[i], alpha);
	166	NumX += x[i]*w;
	167	NumY += y[i]*w;
	168	Den += w;
	169	}
	170	if(Den!=0){
89291556	171	fZNCCentrCoord[0] = funCParCentr(NspecnC)*NumX/Den;
89291556	172	fZNCCentrCoord[1] = funCParCentr(NspecnC)*NumY/Den;
d1d3e36b	173	}
89291556	174	return fZNCCentrCoord;
d1d3e36b	175	}
7b4458a2	176
d1d3e36b	177	//______________________________________________________________________________
89291556	178	Double32_t * AliESDZDC::GetZNACentroid(Int_t NspecnA)
d1d3e36b	179	{
d1d3e36b	180	// Provide coordinates of centroid over ZN (side A) front face
d1d3e36b	181	Float_t x[4] = {-1.75, 1.75, -1.75, 1.75};
	182	Float_t y[4] = {-1.75, -1.72, 1.75, 1.75};
	183	Float_t NumX=0., NumY=0., Den=0.;
	184	Float_t alpha=0.395, w;
	185	for(Int_t i=1; i<5; i++){
	186	w = TMath::Power(fZN2TowerEnergy[i], alpha);
	187	NumX += x[i]*w;
	188	NumY += y[i]*w;
	189	Den += w;
	190	}
ce099621	191	//
ce099621	192	if(Den!=0){
89291556	193	fZNACentrCoord[0] = funCParCentr(NspecnA)*NumX/Den;
89291556	194	fZNACentrCoord[1] = funCParCentr(NspecnA)*NumY/Den;
ce099621	195	}
89291556	196	return fZNACentrCoord;
d1d3e36b	197	}