ExternalCoordinateSystem.hpp

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#ifndef EXTERNAL_COORDINATE_SYSTEM_HPP
#define EXTERNAL_COORDINATE_SYSTEM_HPP

class ExternalCoordinateSystem
{
  public:

  virtual ~ExternalCoordinateSystem() {}

    //given s,n return x,y,z
    virtual bool GetXYZ( double i, double j, double k,
                     double &x, double &y, double &z ) = 0;
    
  //given x,y,z , return an s,n
  virtual bool GetIJK( double x, double y, double z,
                    double &i, double &j, double &k ) = 0;    
};

#endif