// -------------------------------------------------------------------------
// -----                     PndGeoDrc header file                     -----
// -----               Created 11/10/06  by A. Cecchi                  -----
// -------------------------------------------------------------------------

#ifndef PNDGEODRC_H
#define PNDGEODRC_H

#include "FairGeoSet.h"

class  PndGeoDrc : public FairGeoSet {

  private:
  double fNquartz;
  double fNEV;
  double fRoughness;			    //!< Quartz bar surface roughness [nm] = 10A
  double fGlueLayer;			    //!< Thickness of the glue layer [cm].
  double fGreaseLayer;			    //!< Thickness of the layer of optical grease [cm]
  
  double fRadius;                           //!< Barrel radius [cm] (middle of radiator)
  double fBarHalfThick;                     //!< Radiator bars half thickness [cm].
  double fBarBoxZDown;                      //!< Bar box down stream coordinate [cm].
  double fBarBoxZUp;                        //!< Bar box up   stream coordinate [cm].
  double fBarGap;			    //!< Half gap between bars [cm].
  double fBarNum;                           //!< Number of bars per barbox.
  double fBoxGap;			    //!< Gap between bar and bar box [cm].
  double fBoxThick;			    //!< Bar box thickness [cm].
    
  double fBarBoxNum;			    //!< Total number of bar boxes in the barrel. 
  double fBarBoxGap; 	      		    //!< Gap between neighboring bar boxes [cm].
  double fPipehAngle;			    //!< Half of the phi angle taken by the target pipe [degrees].
  
  double fEVlength;			    //!< Length of Expansion Volume [cm].
  double fEVdrop;	      		    //!< [cm] drop of the EV - inner radius
  double fEVoffset;	                    //!< [cm] offset of the EV - outer radius
  double fEVangle;			    //!< [degrees] EV opening angle
  double fEVbackAngle;			    //!< [degrees] angle btw PDplane and global Z axis
  
  // prism parameters:
  double fPhLength;       		    //!< [cm] half length of the prism
  double fPAngle;       		    //!< [degrees] opening angle of the prism
  double fPDrop;       			    //!< [cm] drop of the prism - inner side
  double fPOffset;	      		    //!< [cm] offset of the prism - outer side  
  
  double fLside;
  double fBarWidth;
  double fPi; 

  protected:
  char modName[20];  // name of module
  char eleName[20];  // substring for elements in module
  public:
  PndGeoDrc();
  ~PndGeoDrc() {}
  const char* getModuleName(Int_t);
  const char* getEleName(Int_t);
  
  /*! The mean refraction index of fused silica (for reconstruction).
    \return The Nquartz. */
  Double_t  nQuartz() {return fNquartz;}
  
  /*! The refraction index of the expansion volume.
    \return The NEV. */
  Double_t  nEV() {return fNEV;}
  
  /*! The roughness of the quartz bar surface.
    \return The fRoughness. */
  Double_t  Roughness() {return fRoughness;} 
  
  /*! The thickness of the glue layer.
    \return The fGlueLayer. */
  Double_t  GlueLayer() {return fGlueLayer;} 
  
  /*! The thickness of the optical grease layer.
    \return The fGreaseLayer. */
  Double_t  GreaseLayer() {return fGlueLayer;} 

  /*! The DRC barrel radius.
    \return The radius [cm]. */
  Double_t  radius() {return fRadius;}

  /*! The DRC barrel bar half thickness.
    \return Half thickness [cm]. */
  Double_t  barHalfThick() {return fBarHalfThick;}

  /*! The DRC barrel bar box downstream coordinate.
    \return Coordinate [cm]. */
  Double_t  barBoxZDown() {return fBarBoxZDown;}

  /*! The DRC barrel bar box upstream coordinate.
    \return Coordinate [cm]. */
  Double_t  barBoxZUp() {return fBarBoxZUp;}
  
  /*! The  half gap between bars.
    \return The BarGap [cm]. */
  Double_t  barGap() {return fBarGap;}
  
  /*! The gap between bars and the bar box.
    \return The Gap [cm]. */
  Double_t  boxGap() {return fBoxGap;}
  
  /*! The thickness of the bar box.
    \return The BoxThickness [cm]. */
  Double_t  boxThick() {return fBoxThick;}

  /*! Number of bars per  bar box.
    \return The number */
  Double_t  barNum() {return fBarNum;}
  
  /*! The length of the Expansion Volume [cm]. */
  Double_t  EVlen() {return fEVlength;}

  /*! The Gap between neighboring bar boxes [cm]. */
  Double_t  BBoxGap() {return fBarBoxGap;}
  
  /*! Total number of bar boxes in the barrel. */
  Double_t  BBoxNum() {return fBarBoxNum;}
 
  /*! Half of the phi angle taken by the target pipe [degrees]. */
  Double_t  PipehAngle() {return fPipehAngle;}
  
  /*! The drop of the Expansion Volume [cm]. */
  Double_t  EVdrop() {return fEVdrop;}
  
  /*! The offset of the Expansion Volume [cm]. */
  Double_t  EVoffset() {return fEVoffset;}
  
  /*! The opening angle of the EV [degrees]. */
  Double_t  EVangle() {return fEVangle;}
  
  /*! The angle between the PDplane and global Z axis [degrees]. */
  Double_t  EVbackAngle() {return fEVbackAngle;}
    
  /*! The offset of the Prism [cm]. */
  Double_t  PrismOffset() {return fPOffset;}
  
  /*! The drop of the Prism [cm]. */
  Double_t  PrismDrop() {return fPDrop;}
  
  /*! The half length of the Prism [cm]. */
  Double_t  PrismhLength() {return fPhLength;}
  
  /*! The opening angle of the Prism [degrees]. */
  Double_t  PrismAngle() {return fPAngle;}
  
  /*! The width of the bar box with gaps [cm]. */
  Double_t  Lside() {return fLside;}
  
  /*! The width of the bar gaps [cm]. */
  Double_t  BarWidth() {return fBarWidth;}

  ClassDef(PndGeoDrc,1) // Class for Drc


};


#endif  /* !PNDGEODRC_H */