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1 | /* | |
2 | * viking -- GPS Data and Topo Analyzer, Explorer, and Manager | |
3 | * | |
4 | * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | * | |
20 | */ | |
21 | ||
22 | #ifndef _VIKING_TRACK_H | |
23 | #define _VIKING_TRACK_H | |
24 | ||
25 | #include <time.h> | |
26 | #include <glib.h> | |
27 | #include <gtk/gtk.h> | |
28 | ||
29 | #include "vikcoord.h" | |
30 | ||
31 | /* todo important: put these in their own header file, maybe.probably also rename */ | |
32 | ||
33 | #define VIK_TRACK(x) ((VikTrack *)(x)) | |
34 | #define VIK_TRACKPOINT(x) ((VikTrackpoint *)(x)) | |
35 | ||
36 | typedef struct _VikTrackpoint VikTrackpoint; | |
37 | struct _VikTrackpoint { | |
38 | VikCoord coord; | |
39 | gboolean newsegment; | |
40 | gboolean has_timestamp; | |
41 | time_t timestamp; | |
42 | gdouble altitude; /* VIK_DEFAULT_ALTITUDE if data unavailable */ | |
43 | gdouble speed; /* NAN if data unavailable */ | |
44 | gdouble course; /* NAN if data unavailable */ | |
45 | guint nsats; /* number of satellites used. 0 if data unavailable */ | |
46 | #define VIK_GPS_MODE_NOT_SEEN 0 /* mode update not seen yet */ | |
47 | #define VIK_GPS_MODE_NO_FIX 1 /* none */ | |
48 | #define VIK_GPS_MODE_2D 2 /* good for latitude/longitude */ | |
49 | #define VIK_GPS_MODE_3D 3 /* good for altitude/climb too */ | |
50 | gint fix_mode; /* VIK_GPS_MODE_NOT_SEEN if data unavailable */ | |
51 | gdouble hdop; /* VIK_DEFAULT_DOP if data unavailable */ | |
52 | gdouble vdop; /* VIK_DEFAULT_DOP if data unavailable */ | |
53 | gdouble pdop; /* VIK_DEFAULT_DOP if data unavailable */ | |
54 | }; | |
55 | ||
56 | typedef struct _VikTrack VikTrack; | |
57 | struct _VikTrack { | |
58 | GList *trackpoints; | |
59 | gboolean visible; | |
60 | gchar *comment; | |
61 | guint8 ref_count; | |
62 | GtkWidget *property_dialog; | |
63 | }; | |
64 | ||
65 | VikTrack *vik_track_new(); | |
66 | void vik_track_set_comment(VikTrack *wp, const gchar *comment); | |
67 | void vik_track_ref(VikTrack *tr); | |
68 | void vik_track_free(VikTrack *tr); | |
69 | VikTrack *vik_track_copy ( const VikTrack *tr ); | |
70 | void vik_track_set_comment_no_copy(VikTrack *tr, gchar *comment); | |
71 | VikTrackpoint *vik_trackpoint_new(); | |
72 | void vik_trackpoint_free(VikTrackpoint *tp); | |
73 | VikTrackpoint *vik_trackpoint_copy(VikTrackpoint *tp); | |
74 | gdouble vik_track_get_length(const VikTrack *tr); | |
75 | gdouble vik_track_get_length_including_gaps(const VikTrack *tr); | |
76 | gulong vik_track_get_tp_count(const VikTrack *tr); | |
77 | guint vik_track_get_segment_count(const VikTrack *tr); | |
78 | VikTrack **vik_track_split_into_segments(VikTrack *tr, guint *ret_len); | |
79 | void vik_track_reverse(VikTrack *tr); | |
80 | ||
81 | gulong vik_track_get_dup_point_count ( const VikTrack *vt ); | |
82 | void vik_track_remove_dup_points ( VikTrack *vt ); | |
83 | ||
84 | gdouble vik_track_get_max_speed(const VikTrack *tr); | |
85 | gdouble vik_track_get_average_speed(const VikTrack *tr); | |
86 | ||
87 | void vik_track_convert ( VikTrack *tr, VikCoordMode dest_mode ); | |
88 | gdouble *vik_track_make_elevation_map ( const VikTrack *tr, guint16 num_chunks ); | |
89 | void vik_track_get_total_elevation_gain(const VikTrack *tr, gdouble *up, gdouble *down); | |
90 | VikTrackpoint *vik_track_get_closest_tp_by_percentage_dist ( VikTrack *tr, gdouble reldist, gdouble *meters_from_start ); | |
91 | VikTrackpoint *vik_track_get_closest_tp_by_percentage_time ( VikTrack *tr, gdouble reldist, time_t *seconds_from_start ); | |
92 | VikTrackpoint *vik_track_get_tp_by_max_speed ( const VikTrack *tr ); | |
93 | VikTrackpoint *vik_track_get_tp_by_max_alt ( const VikTrack *tr ); | |
94 | VikTrackpoint *vik_track_get_tp_by_min_alt ( const VikTrack *tr ); | |
95 | gdouble *vik_track_make_speed_map ( const VikTrack *tr, guint16 num_chunks ); | |
96 | gdouble *vik_track_make_distance_map ( const VikTrack *tr, guint16 num_chunks ); | |
97 | gdouble *vik_track_make_elevation_time_map ( const VikTrack *tr, guint16 num_chunks ); | |
98 | gdouble *vik_track_make_speed_dist_map ( const VikTrack *tr, guint16 num_chunks ); | |
99 | gboolean vik_track_get_minmax_alt ( const VikTrack *tr, gdouble *min_alt, gdouble *max_alt ); | |
100 | void vik_track_marshall ( VikTrack *tr, guint8 **data, guint *len); | |
101 | VikTrack *vik_track_unmarshall (guint8 *data, guint datalen); | |
102 | ||
103 | void vik_track_apply_dem_data ( VikTrack *tr); | |
104 | /* | |
105 | * Apply DEM data (if available) - to only the last trackpoint | |
106 | */ | |
107 | void vik_track_apply_dem_data_last_trackpoint ( VikTrack *tr ); | |
108 | ||
109 | /* appends t2 to t1, leaving t2 with no trackpoints */ | |
110 | void vik_track_steal_and_append_trackpoints ( VikTrack *t1, VikTrack *t2 ); | |
111 | ||
112 | /* starting at the end, looks backwards for the last "double point", a duplicate trackpoint. | |
113 | * If there is no double point, deletes all the trackpoints. | |
114 | * Returns the new end of the track (or the start if there are no double points | |
115 | */ | |
116 | VikCoord *vik_track_cut_back_to_double_point ( VikTrack *tr ); | |
117 | ||
118 | void vik_track_set_property_dialog(VikTrack *tr, GtkWidget *dialog); | |
119 | void vik_track_clear_property_dialog(VikTrack *tr); | |
120 | ||
121 | #endif |