/* * viking -- GPS Data and Topo Analyzer, Explorer, and Manager * * Copyright (C) 2003-2005, Evan Battaglia * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #ifndef _VIKING_TRACK_H #define _VIKING_TRACK_H #include #include #include #include "vikcoord.h" #include "bbox.h" G_BEGIN_DECLS /* todo important: put these in their own header file, maybe.probably also rename */ #define VIK_TRACK(x) ((VikTrack *)(x)) #define VIK_TRACKPOINT(x) ((VikTrackpoint *)(x)) typedef struct _VikTrackpoint VikTrackpoint; struct _VikTrackpoint { VikCoord coord; gboolean newsegment; gboolean has_timestamp; time_t timestamp; gdouble altitude; /* VIK_DEFAULT_ALTITUDE if data unavailable */ gdouble speed; /* NAN if data unavailable */ gdouble course; /* NAN if data unavailable */ guint nsats; /* number of satellites used. 0 if data unavailable */ #define VIK_GPS_MODE_NOT_SEEN 0 /* mode update not seen yet */ #define VIK_GPS_MODE_NO_FIX 1 /* none */ #define VIK_GPS_MODE_2D 2 /* good for latitude/longitude */ #define VIK_GPS_MODE_3D 3 /* good for altitude/climb too */ gint fix_mode; /* VIK_GPS_MODE_NOT_SEEN if data unavailable */ gdouble hdop; /* VIK_DEFAULT_DOP if data unavailable */ gdouble vdop; /* VIK_DEFAULT_DOP if data unavailable */ gdouble pdop; /* VIK_DEFAULT_DOP if data unavailable */ }; typedef enum { TRACK_DRAWNAME_NO=0, TRACK_DRAWNAME_CENTRE, TRACK_DRAWNAME_START, TRACK_DRAWNAME_END, TRACK_DRAWNAME_START_END, TRACK_DRAWNAME_START_END_CENTRE, NUM_TRACK_DRAWNAMES } VikTrackDrawnameType; // Instead of having a separate VikRoute type, routes are considered tracks // Thus all track operations must cope with a 'route' version // [track functions handle having no timestamps anyway - so there is no practical difference in most cases] // This is simpler than having to rewrite particularly every track function for route version // given that they do the same things // Mostly this matters in the display in deciding where and how they are shown typedef struct _VikTrack VikTrack; struct _VikTrack { GList *trackpoints; gboolean visible; gboolean is_route; VikTrackDrawnameType draw_name_mode; guint8 max_number_dist_labels; gchar *comment; gchar *description; guint8 ref_count; gchar *name; GtkWidget *property_dialog; gboolean has_color; GdkColor color; LatLonBBox bbox; }; VikTrack *vik_track_new(); void vik_track_set_defaults(VikTrack *tr); void vik_track_set_name(VikTrack *tr, const gchar *name); void vik_track_set_comment(VikTrack *tr, const gchar *comment); void vik_track_set_description(VikTrack *tr, const gchar *description); void vik_track_ref(VikTrack *tr); void vik_track_free(VikTrack *tr); VikTrack *vik_track_copy ( const VikTrack *tr, gboolean copy_points ); void vik_track_set_comment_no_copy(VikTrack *tr, gchar *comment); VikTrackpoint *vik_trackpoint_new(); void vik_trackpoint_free(VikTrackpoint *tp); VikTrackpoint *vik_trackpoint_copy(VikTrackpoint *tp); void vik_track_add_trackpoint(VikTrack *tr, VikTrackpoint *tp, gboolean recalculate); gdouble vik_track_get_length(const VikTrack *tr); gdouble vik_track_get_length_including_gaps(const VikTrack *tr); gulong vik_track_get_tp_count(const VikTrack *tr); guint vik_track_get_segment_count(const VikTrack *tr); VikTrack **vik_track_split_into_segments(VikTrack *tr, guint *ret_len); guint vik_track_merge_segments(VikTrack *tr); void vik_track_reverse(VikTrack *tr); gulong vik_track_get_dup_point_count ( const VikTrack *vt ); gulong vik_track_remove_dup_points ( VikTrack *vt ); gulong vik_track_get_same_time_point_count ( const VikTrack *vt ); gulong vik_track_remove_same_time_points ( VikTrack *vt ); void vik_track_to_routepoints ( VikTrack *tr ); gdouble vik_track_get_max_speed(const VikTrack *tr); gdouble vik_track_get_average_speed(const VikTrack *tr); gdouble vik_track_get_average_speed_moving ( const VikTrack *tr, int stop_length_seconds ); void vik_track_convert ( VikTrack *tr, VikCoordMode dest_mode ); gdouble *vik_track_make_elevation_map ( const VikTrack *tr, guint16 num_chunks ); void vik_track_get_total_elevation_gain(const VikTrack *tr, gdouble *up, gdouble *down); VikTrackpoint *vik_track_get_tp_by_dist ( VikTrack *trk, gdouble meters_from_start, gboolean get_next_point, gdouble *tp_metres_from_start ); VikTrackpoint *vik_track_get_closest_tp_by_percentage_dist ( VikTrack *tr, gdouble reldist, gdouble *meters_from_start ); VikTrackpoint *vik_track_get_closest_tp_by_percentage_time ( VikTrack *tr, gdouble reldist, time_t *seconds_from_start ); VikTrackpoint *vik_track_get_tp_by_max_speed ( const VikTrack *tr ); VikTrackpoint *vik_track_get_tp_by_max_alt ( const VikTrack *tr ); VikTrackpoint *vik_track_get_tp_by_min_alt ( const VikTrack *tr ); gdouble *vik_track_make_gradient_map ( const VikTrack *tr, guint16 num_chunks ); gdouble *vik_track_make_speed_map ( const VikTrack *tr, guint16 num_chunks ); gdouble *vik_track_make_distance_map ( const VikTrack *tr, guint16 num_chunks ); gdouble *vik_track_make_elevation_time_map ( const VikTrack *tr, guint16 num_chunks ); gdouble *vik_track_make_speed_dist_map ( const VikTrack *tr, guint16 num_chunks ); gboolean vik_track_get_minmax_alt ( const VikTrack *tr, gdouble *min_alt, gdouble *max_alt ); void vik_track_marshall ( VikTrack *tr, guint8 **data, guint *len); VikTrack *vik_track_unmarshall (guint8 *data, guint datalen); void vik_track_calculate_bounds ( VikTrack *trk ); void vik_track_apply_dem_data ( VikTrack *tr); void vik_track_apply_dem_data_last_trackpoint ( VikTrack *tr ); void vik_track_steal_and_append_trackpoints ( VikTrack *t1, VikTrack *t2 ); VikCoord *vik_track_cut_back_to_double_point ( VikTrack *tr ); void vik_track_set_property_dialog(VikTrack *tr, GtkWidget *dialog); void vik_track_clear_property_dialog(VikTrack *tr); G_END_DECLS #endif