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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 PANORAMA_H
#define PANORAMA_H
#include "Hill.H"
#include "ProjectionLSQ.H"
#include "ViewParams.H"
class Panorama {
private:
double view_phi, view_lam, view_height;
char *view_name;
double height_dist_ratio;
double hide_value;
Hills *mountains;
Hills *close_mountains;
Hills *visible_mountains;
ProjectionLSQ *proj;
ProjectionLSQ::Projection_t projection_type;
double pi_d, deg2rad;
Hill * get_pos(const char *name);
void update_angles();
void update_coordinates();
void update_close_mountains();
void update_visible_mountains();
void mark_hidden(Hills *hills);
double distance(double phi, double lam);
double alpha(const Hill *m);
double nick(const Hill *m);
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);
int get_matrix(double m[]);
int optimize(Hill *m1, Hill *m2);
int is_visible(double a_alph);
public:
ViewParams parms;
Panorama();
~Panorama();
int load_data(const char *name);
void add_hills(Hills *h);
void remove_hills(int flags);
int set_viewpoint(const char *pos);
void set_viewpoint(const Hill *m);
void set_height_dist_ratio(double r);
void set_hide_value(double h);
Hills * get_mountains();
Hills * get_close_mountains();
Hills * get_visible_mountains();
void set_center_angle(double a);
void set_nick_angle(double a);
void set_tilt_angle(double a);
void set_scale(double s);
void set_view_lat(double v);
void set_view_long(double v);
void set_view_height(double v);
const char * get_viewpoint();
double get_center_angle();
double get_nick_angle();
double get_tilt_angle();
double get_scale();
double get_height_dist_ratio();
double get_view_lat();
double get_view_long();
double get_view_height();
double get_earth_radius(double latitude);
double get_real_distance(Hill *m);
int comp_params(Hills *h);
ProjectionLSQ::Projection_t get_projection();
void set_projection(ProjectionLSQ::Projection_t p);
void get_distortion_params(double *k0, double *k1, double *x0);
void set_distortion_params(double k0, double k1, double x0);
int get_coordinates(double a_alph, double a_nick, double *x, double *y);
};
#endif
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