// @(#)root/html:$Name:  $:$Id: THtml.cxx,v 1.124 2006/11/24 16:01:02 $
// Author: Mathieu Benoit <mailto:mbenoit@umontreal.ca> 


//////////////////////////////////////////////////////////////////////////
// Source file : class CTDR_Field					//		        
// This class represent the CTDR_Field in the CZT detector. CTDR_Field 	//
// data are read from a ROOT  file and stored in a TTree.This class pass// 
// to the simulation the value of the CTDR_Field at a position x,y,z,	//
// on demand. This class is similar to the class Detecteur.		//		        
//////////////////////////////////////////////////////////////////////////

#ifndef CTDR_FIELD_H_DEF
#define CTDR_FIELD_H_DEF

#include "CTDR_Tree.h"
#include "TTree.h"
#include "TFile.h"
#include "TClass.h"


class CTDR_Field : public CTDR_Tree {

      private:
              TTree *TEx; // x component of the field data tree
	      TTree *TEy; // y component of the field data tree
	      TTree *TEz; // z component of the field data tree

              double Ex; // X field	 
	      double Ey; // Y field
	      double Ez; // Z field
              double x_Ex; // Variable where Tree's data are read
	      double y_Ex;
	      double z_Ex;
	      double x_Ey;
	      double y_Ey;
	      double z_Ey;
	      double x_Ez;
	      double y_Ez;
	      double z_Ez;
	      double E_Ex;
	      double E_Ey;
	      double E_Ez;
      public:
             CTDR_Field(TFile &Fichier,int NdivX,int NdivY, int NdivZ,double LX, double LY, double LZ);
             void SetChamp(double xx, double yy ,double zz);
             void Interpole(double x, double y , double z);
             double GetEx();
             double GetEy();
             double GetEz();
             double GetLz();
	     ClassDef(CTDR_Field,0) // The electric field
             };

#endif