// Author: Akira Okumura <mailto:oxon@mac.com>
/******************************************************************************
 * Copyright (C) 2006-, Akira Okumura                                         *
 * All rights reserved.                                                       *
 *****************************************************************************/

#ifndef A_FOCAL_SURFACE_H
#define A_FOCAL_SURFACE_H

#include "TGraph.h"

#include "AOpticalComponent.h"

///////////////////////////////////////////////////////////////////////////////
//
// AFocalSurface
//
// Focal surface
//
///////////////////////////////////////////////////////////////////////////////

class AFocalSurface : public AOpticalComponent {
 private:
  TGraph* fQuantumEfficiencyLambda;  // Quantum efficiency (QE vs lambda)
  TGraph* fQuantumEfficiencyAngle;   // Quantum efficiency (QE vs angle)

 public:
  AFocalSurface();
  AFocalSurface(const char* name, const TGeoShape* shape,
                const TGeoMedium* med = 0);

  Bool_t HasQEAngle() const { return fQuantumEfficiencyAngle ? kTRUE : kFALSE; }
  void SetQuantumEfficiency(TGraph* qe) { fQuantumEfficiencyLambda = qe; }
  void SetQuantumEfficiencyAngle(TGraph* qe) { fQuantumEfficiencyAngle = qe; }
  Double_t GetQuantumEfficiency(Double_t lambda) const;
  Double_t GetQuantumEfficiency(Double_t lambda, Double_t angle) const;

  ClassDef(AFocalSurface, 1)
};

#endif  // A_FOCAL_SURFACE_H