#ifndef AliMFTConstants_H
#define AliMFTConstants_H

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

//====================================================================================================================================================
//
//      Constants for the Muon Forward Tracker
//
//      Contact author: antonio.uras@cern.ch
//
//====================================================================================================================================================

#include <TObject.h>

class AliMFTConstants : public TObject {

public:
  
  static const Int_t fNMaxPlanes = 20; 

  static const Int_t fNMaxDigitsPerCluster = 50;  ///< max number of digits per cluster
  static const Double_t fCutForAvailableDigits;   ///<
  static const Double_t fCutForAttachingDigits;   ///<

  static const Int_t fNMaxMCTracksPerCluster = 10;   ///< max number of MC tracks sharing the same MFT cluster
  static const Int_t fNMaxMCTracksPerDigit = 3;      ///< max number of MC tracks sharing the same MFT digit

  static const Double_t fElossPerElectron;

  // minimum radial distance of the MFT sensors. To be carefully coordinated with fActiveSuperposition
  static const Double_t fRadiusMin;  ///<
	 
  // superposition between the active elements tasselling the MFT planes, for having a full acceptance coverage even in case of 10 degrees inclined tracks
  static const Double_t fActiveSuperposition;  ///<
                                                
  static const Double_t fHeightActive;   ///< height of the active elements
  static const Double_t fHeightReadout;  ///< height of the readout elements attached to the active ones
	 
  // minimum border size between the end of the support plane and the sensors: fHeightReadout + 0.3
  static const Double_t fSupportExtMargin;  ///<

  static const Int_t fNMaxDetElemPerPlane = 1000;  ///<

  static const Double_t fRadLengthSi;    ///< expressed in cm

  static const Double_t fWidthChip;      ///< expressed in cm

  static const Double_t fPrecisionPointOfClosestApproach;  ///< precision (along z) for the research of the point of closest approach for a dimuon

protected:

  AliMFTConstants() : TObject() {}
  virtual ~AliMFTConstants(){}

  ClassDef(AliMFTConstants, 2)    // MFT global constants 

};
	
#endif