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+//
+// Copyright 2006 Johannes Hofmann <Johannes.Hofmann@gmx.de>
+//
+// This software may be used and distributed according to the terms
+// of the GNU General Public License, incorporated herein by reference.
+
+#ifndef PROJECTIONTANGENTIALLSQ_H
+#define PROJECTIONTANGENTIALLSQ_H
+
+#include "Hill.H"
+#include "Projection.H"
+
+class ProjectionTangentialLSQ : 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 lsq(const Hills *m, ViewParams *parms);
+
+ public:
+ void get_coordinates(double a_view, double a_nick,
+ const ViewParams *parms, double *x, double *y);
+
+ int comp_params(const Hills *h, ViewParams *parms);
+
+};
+#endif