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//
// "$Id: Panorama.H,v 1.18 2005/05/10 17:57:11 hofmann Exp $"
//
// Copyright 2005 by Johannes Hofmann
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//
#ifndef PANORAMA_H
#define PANORAMA_H
#include "Hill.H"
class Panorama {
private:
double view_phi, view_lam, view_height;
double height_dist_ratio;
Hills *mountains;
Hills *visible_mountains;
int x1, y1, x2, y2;
double a_center;
double scale;
double a_nick;
double a_tilt;
int get_pos(const char *name, double *phi, double *lam, double *height);
void update_angles();
void update_coordinates();
void update_visible_mountains();
double distance(double phi, double lam);
double sin_alpha(double lam, double phi, double c);
double cos_alpha(double phi, double c);
double alpha(double phi, double lam);
double nick(double dist, double height);
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);
double get_value(Hills *p);
public:
Panorama();
~Panorama();
int load_file(const char *name);
int set_viewpoint(const char *pos);
void set_height_dist_ratio(double r);
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);
double get_center_angle();
double get_nick_angle();
double get_tilt_angle();
double get_scale();
double get_height_dist_ratio();
int comp_params(Hill *m1, Hill *m2);
int guess(Hills *p1, Hill *m1);
};
#endif
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