//--------------------------------------------------------------------------
// File and Version Information:
//
// Description:
//	Class PndEmcClusterMoments.
//
// Environment:
//	Software developed for the BaBar Detector at the SLAC B-Factory.
//
// Author List:
//	Stephen J. Gowdy	Originator
//	Phil Strother   	Originator
//
// Copyright Information:
//	Copyright (C) 1998	University of Edinburgh
//
// Dima Melnichuk, adaption for pandaroot
//------------------------------------------------------------------------
#pragma once
#ifndef PNDEMCCLUSTERMOMENTS_H
#define PNDEMCCLUSTERMOMENTS_H

#include "PndEmcAbsClusterProperty.h"
#include "TObject.h"
#include <iostream>

class TVector3;
class PndEmcTwoCoordIndex;
class PndEmcDigi;


class PndEmcClusterMoments: public PndEmcAbsClusterProperty
{

public:

  // Constructors
  PndEmcClusterMoments(const PndEmcCluster &cluster, const TClonesArray *digiArray);
  PndEmcClusterMoments( const PndEmcClusterMoments & );

  // Destructor
  virtual ~PndEmcClusterMoments();

	// Selectors (const)
	
	// Second moment of energy about centroid 
	virtual double SecondMoment() const;
	virtual double SecondMomentTP() const;
	// First moment wght energy and theta
	virtual double Theta1() const;
	// First moment wght energy and phi
	virtual double Phi1() const;
	// Second moment wght energy and theta
	virtual double Theta2() const;
	// Second moment wght energy and phi
	virtual double Phi2() const;
	// First moment wrt major axis
	virtual double Major1() const;
	// Second moment wrt major axis
	virtual double Major2() const;
	// First moment wrt minor axis
	virtual double Minor1() const;
	// Second moment wrt minor axis
	virtual double Minor2() const;
	// First moment of energy about centre
	virtual TVector3 Centre1() const;
	// Second moment of energy about centre
	virtual TVector3 Centre2() const;
	
	// Printing
	virtual void Print(const Option_t* opt ="") const;


private:

	PndEmcClusterMoments();
	PndEmcClusterMoments& operator=(const PndEmcClusterMoments& other);
	
	ClassDef(PndEmcClusterMoments,1)
};

#endif // PNDEMCCLUSTERMOMENTS_H