Intercept.h

#ifndef Intercept_h
#define Intercept_h
/* SPDX-License-Identifier: CC0-1.0 */
 
#include <QSharedPointer>
 
#include "AbstractPlate.h"
#include "NaifDskApi.h"
 
namespace Isis {
 
  class Angle;
  class SurfacePoint;
  
  class Intercept {
    public:
      Intercept();
      Intercept(const NaifVertex &observer, const NaifVector &raydir,
                SurfacePoint *ipoint, AbstractPlate *shape);
      virtual ~Intercept();
  
      bool isValid() const;
  
      const NaifVertex &observer() const;
      const NaifVector &lookDirectionRay() const;
      SurfacePoint location() const;
  
      NaifVector normal() const;
      Angle emission() const;
  
      Angle separationAngle(const NaifVector &raydir) const;
  
      const AbstractPlate *shape() const;
  
    private:
  
      enum ErrAction { Throw,  
                       NoThrow 
      };  // Error mode to employ
  
      bool verify(const bool &test, const QString &errmsg,
                  const ErrAction &action = Throw) const;
  
      NaifVertex m_observer; 
      NaifVector m_raydir;   
  
      QSharedPointer<SurfacePoint>  m_point; 
      QSharedPointer<AbstractPlate> m_shape; 
  
  };
 
};  // namespace Isis
#endif