PndGeoDskFLG.h

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// -------------------------------------------------------------------------
// -----                     PndGeoDskFLG header file                     -----
// -----               Created 29/04/10  by Y. Liang                  -----
// -------------------------------------------------------------------------

#ifndef PNDGEODSKFLG_H
#define PNDGEODSKFLG_H

#include "FairGeoSet.h"
#include "TVector3.h"

class  PndGeoDskFLG : public FairGeoSet {

  private:
  double fRadius;                           
  Double_t fPosition_plate; //position of plate, fix me.  need to retrieve from geo in future
  Double_t fThickness_plate; //mm, fix me.  need to retrieve from geo in future
  Int_t fNumber_focusing_part;// 128 focusing parts, fix me.
  Double_t fReflectThreshold;

  Double_t a0;   //curve function
  Double_t a1;
  Double_t a2;
  Double_t a3;
  Double_t a4;
  Double_t a5;

  int fVerbose;  
  protected:
  public:
  PndGeoDskFLG();
  ~PndGeoDskFLG() {}
 
  void Propagate(TVector3 pos, TVector3 dir, Int_t &i_FLG, Int_t &i_Pixel);
  void LineCylinderInteraction(TVector3 pos, TVector3 dir, TVector3 &pos_interaction);
  Bool_t CurveFunction(TVector3 Point); 
  Double_t SlopeCurveFunction(TVector3 Point);
  Bool_t LineFunction(TVector3 Point);  

  Double_t  radius() {return fRadius;}
  Double_t  thickness() {return fThickness_plate;}
  Double_t  postion_plate() {return fPosition_plate;}
  Double_t  reflect_threshold(){return fReflectThreshold;} 

  ClassDef(PndGeoDskFLG,0) // Class for Dsk


};


#endif