gboolean newsegment;
gboolean has_timestamp;
time_t timestamp;
- gdouble altitude; /* only in 3D fixes */
- /* Most GPSs provide this in realtime mode (NMEA) but not in data mode */
- gboolean extended;
- gdouble speed; /* only in 3D fixes */
- gdouble course;
- guint nsats; /* number of satellites used */
+ 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;
+ 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 struct _VikTrack VikTrack;
void vik_track_get_total_elevation_gain(const VikTrack *tr, gdouble *up, gdouble *down);
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_speed_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);