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#ifndef PROJECTIONTANGENTIAL_H
#define PROJECTIONTANGENTIAL_H
#include "Hill.H"
#include "Projection.H"
class ProjectionTangential : public Projection {
private:
double comp_center_angle(double alph_a, double alph_b, double d1, double d2);
double comp_scale(double alph_a, double alph_b, double d1, double d2);
double angle_dist(double a1, double a2);
int optimize(const Hill *m1, const Hill *m2, ViewParams *parms);
public:
void get_coordinates(double a_view, double a_nick, const ViewParams *parms,
double *x, double *y);
int comp_params(const Hill *m1, const Hill *m2, ViewParams *parms);
};
#endif
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