diff options
Diffstat (limited to 'src/lib/geo/geo.h')
| -rw-r--r-- | src/lib/geo/geo.h | 38 |
1 files changed, 22 insertions, 16 deletions
diff --git a/src/lib/geo/geo.h b/src/lib/geo/geo.h index 94afb4df0..0a3f85d97 100644 --- a/src/lib/geo/geo.h +++ b/src/lib/geo/geo.h @@ -1,9 +1,6 @@ /**************************************************************************** * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * Author: Thomas Gubler <thomasgubler@student.ethz.ch> - * Julian Oes <joes@student.ethz.ch> - * Lorenz Meier <lm@inf.ethz.ch> + * Copyright (C) 2012, 2014 PX4 Development Team. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -42,6 +39,7 @@ * @author Thomas Gubler <thomasgubler@student.ethz.ch> * @author Julian Oes <joes@student.ethz.ch> * @author Lorenz Meier <lm@inf.ethz.ch> + * @author Anton Babushkin <anton.babushkin@me.com> * Additional functions - @author Doug Weibel <douglas.weibel@colorado.edu> */ @@ -67,6 +65,14 @@ struct crosstrack_error_s { float bearing; // Bearing in radians to closest point on line/arc } ; +/* lat/lon are in radians */ +struct map_projection_reference_s { + double lat; + double lon; + double sin_lat; + double cos_lat; +}; + /** * Initializes the map transformation. * @@ -74,7 +80,7 @@ struct crosstrack_error_s { * @param lat in degrees (47.1234567°, not 471234567°) * @param lon in degrees (8.1234567°, not 81234567°) */ -__EXPORT void map_projection_init(double lat_0, double lon_0); +__EXPORT void map_projection_init(struct map_projection_reference_s *ref, double lat_0, double lon_0); /** * Transforms a point in the geographic coordinate system to the local azimuthal equidistant plane @@ -83,7 +89,7 @@ __EXPORT void map_projection_init(double lat_0, double lon_0); * @param lat in degrees (47.1234567°, not 471234567°) * @param lon in degrees (8.1234567°, not 81234567°) */ -__EXPORT void map_projection_project(double lat, double lon, float *x, float *y); +__EXPORT void map_projection_project(struct map_projection_reference_s *ref, double lat, double lon, float *x, float *y); /** * Transforms a point in the local azimuthal equidistant plane to the geographic coordinate system @@ -93,7 +99,7 @@ __EXPORT void map_projection_project(double lat, double lon, float *x, float *y) * @param lat in degrees (47.1234567°, not 471234567°) * @param lon in degrees (8.1234567°, not 81234567°) */ -__EXPORT void map_projection_reproject(float x, float y, double *lat, double *lon); +__EXPORT void map_projection_reproject(struct map_projection_reference_s *ref, float x, float y, double *lat, double *lon); /** * Returns the distance to the next waypoint in meters. @@ -115,30 +121,30 @@ __EXPORT float get_distance_to_next_waypoint(double lat_now, double lon_now, dou */ __EXPORT float get_bearing_to_next_waypoint(double lat_now, double lon_now, double lat_next, double lon_next); -__EXPORT void get_vector_to_next_waypoint(double lat_now, double lon_now, double lat_next, double lon_next, float* v_n, float* v_e); +__EXPORT void get_vector_to_next_waypoint(double lat_now, double lon_now, double lat_next, double lon_next, float *v_n, float *v_e); -__EXPORT void get_vector_to_next_waypoint_fast(double lat_now, double lon_now, double lat_next, double lon_next, float* v_n, float* v_e); +__EXPORT void get_vector_to_next_waypoint_fast(double lat_now, double lon_now, double lat_next, double lon_next, float *v_n, float *v_e); __EXPORT void add_vector_to_global_position(double lat_now, double lon_now, float v_n, float v_e, double *lat_res, double *lon_res); -__EXPORT int get_distance_to_line(struct crosstrack_error_s * crosstrack_error, double lat_now, double lon_now, double lat_start, double lon_start, double lat_end, double lon_end); +__EXPORT int get_distance_to_line(struct crosstrack_error_s *crosstrack_error, double lat_now, double lon_now, double lat_start, double lon_start, double lat_end, double lon_end); -__EXPORT int get_distance_to_arc(struct crosstrack_error_s * crosstrack_error, double lat_now, double lon_now, double lat_center, double lon_center, - float radius, float arc_start_bearing, float arc_sweep); +__EXPORT int get_distance_to_arc(struct crosstrack_error_s *crosstrack_error, double lat_now, double lon_now, double lat_center, double lon_center, + float radius, float arc_start_bearing, float arc_sweep); /* * Calculate distance in global frame */ __EXPORT float get_distance_to_point_global_wgs84(double lat_now, double lon_now, float alt_now, - double lat_next, double lon_next, float alt_next, - float *dist_xy, float *dist_z); + double lat_next, double lon_next, float alt_next, + float *dist_xy, float *dist_z); /* * Calculate distance in local frame (NED) */ __EXPORT float mavlink_wpm_distance_to_point_local(float x_now, float y_now, float z_now, - float x_next, float y_next, float z_next, - float *dist_xy, float *dist_z); + float x_next, float y_next, float z_next, + float *dist_xy, float *dist_z); __EXPORT float _wrap_180(float bearing); __EXPORT float _wrap_360(float bearing); |