#ifndef ALIDPARAM_H
#define ALIDPARAM_H
/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

/* $Id$ */

////////////////////////////////////////////////
//  Manager class for detector parameters          //
////////////////////////////////////////////////



// rootcint problems befor including AliDetectorParam.h you must include TObject.h

#include <TNamed.h>
class AliDetectorParam : public TNamed {
public:
  AliDetectorParam(){;}
  virtual Int_t GetNSegmentsTotal() const {return 0;} //get total nuber of segments
  virtual Bool_t Get1DIndex(Int_t *index, const Int_t * arrindex) {return kFALSE;} 
  //transform multidimensional index to one dimesional
  virtual Bool_t GetNDIndex(const Int_t * index1, Int_t * arrIndex) {return kFALSE;}
  //trasnform one dimesional index to multidimesional
  virtual Float_t GetPrimaryLoss(Float_t *x, Int_t *index, Float_t *angle){return 0;}
  virtual Float_t GetTotalLoss(Float_t *x, Int_t *index, Float_t *angle){return 0;}
  virtual void GetClusterSize(Float_t *x, Int_t *index, Float_t *angle, Int_t mode, Float_t *sigma){;}
  virtual void GetSpaceResolution(Float_t *x, Int_t *index, Float_t *angle, Float_t amplitude, Int_t mode, 
				  Float_t *sigma){;}
  virtual Float_t * GetAnglesAccMomentum(Float_t *x, Int_t * index, Float_t* momentum, Float_t *angle); 

  void  SetBField(Float_t b){fBField=b;} //set magnetic field intensity  
  void  SetNPrimLoss(Float_t loss) {fNPrimLoss = loss;}
  void  SetNTotalLoss(Float_t loss) {fNTotalLoss = loss;}
  Float_t GetBFiled() {return fBField;}
  Float_t GetNPrimLoss() {return fNPrimLoss;}
  Float_t GetNTotalLoss() {return fNTotalLoss;}
protected:
  Float_t fBField;  //intensity of magnetic field
  Float_t fNPrimLoss; //number of produced primary  electrons  per cm
  Float_t fNTotalLoss; //total  number of produced  electrons  per cm

  ClassDef(AliDetectorParam,1)  //parameter  object for set:TPC
};




#endif  //ALIDPARAM_H