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/// \file materials/include/G4LatticePhysical.hh
/// \brief Definition of the G4LatticePhysical class
//
// $Id$
//
// 20131114  Add verbosity for diagnostic output
// 20131116  Replace G4Transform3D with G4RotationMatrix

#ifndef G4LatticePhysical_h
#define G4LatticePhysical_h 1

#include "G4LatticeLogical.hh"
#include "G4RotationMatrix.hh"
#include "G4ThreeVector.hh"


class G4LatticePhysical {
public:
  G4LatticePhysical(const G4LatticeLogical* Lat=0,
		    const G4RotationMatrix* Rot=0);	// Use FRAME rotation
  virtual ~G4LatticePhysical();

  void SetVerboseLevel(G4int vb) { verboseLevel = vb; }

  // NOTE:  Pass by value to allow in-situ rotations
  G4double MapKtoV(G4int, G4ThreeVector) const;
  G4ThreeVector MapKtoVDir(G4int, G4ThreeVector) const;

  void SetLatticeLogical(const G4LatticeLogical* Lat) { fLattice = Lat; }
  void SetPhysicalOrientation(const G4RotationMatrix* Rot); // FRAME rotation
  void SetLatticeOrientation(G4double, G4double);
  void SetMillerOrientation(G4int, G4int, G4int);

public:  
  const G4LatticeLogical* GetLattice() const { return fLattice; }

  G4double GetScatteringConstant() const { return fLattice->GetScatteringConstant(); }
  G4double GetAnhDecConstant() const { return fLattice->GetAnhDecConstant(); }
  G4double GetLDOS() const           { return fLattice->GetLDOS(); }
  G4double GetSTDOS() const          { return fLattice->GetSTDOS(); }
  G4double GetFTDOS() const          { return fLattice->GetFTDOS(); }
  G4double GetBeta() const           { return fLattice->GetBeta(); }
  G4double GetGamma() const          { return fLattice->GetGamma(); }
  G4double GetLambda() const         { return fLattice->GetLambda(); }
  G4double GetMu() const             { return fLattice->GetMu(); }

  // Apply orientation transforms to specified vector
  G4ThreeVector RotateToGlobal(const G4ThreeVector& dir) const;
  G4ThreeVector RotateToLocal(const G4ThreeVector& dir) const;

private:
  G4int verboseLevel;			// Enable diagnostic output

  G4double fTheta, fPhi;		// Lattice orientation within object
  const G4LatticeLogical* fLattice;	// Underlying lattice parameters

  G4RotationMatrix fLocalToGlobal;
  G4RotationMatrix fGlobalToLocal;
};

#endif
