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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 | #include "bbox.h" | |
31 | ||
32 | G_BEGIN_DECLS | |
33 | ||
34 | /* todo important: put these in their own header file, maybe.probably also rename */ | |
35 | ||
36 | #define VIK_TRACK(x) ((VikTrack *)(x)) | |
37 | #define VIK_TRACKPOINT(x) ((VikTrackpoint *)(x)) | |
38 | ||
39 | typedef struct _VikTrackpoint VikTrackpoint; | |
40 | struct _VikTrackpoint { | |
41 | gchar* name; | |
42 | VikCoord coord; | |
43 | gboolean newsegment; | |
44 | gboolean has_timestamp; | |
45 | time_t timestamp; | |
46 | gdouble altitude; /* VIK_DEFAULT_ALTITUDE if data unavailable */ | |
47 | gdouble speed; /* NAN if data unavailable */ | |
48 | gdouble course; /* NAN if data unavailable */ | |
49 | guint nsats; /* number of satellites used. 0 if data unavailable */ | |
50 | #define VIK_GPS_MODE_NOT_SEEN 0 /* mode update not seen yet */ | |
51 | #define VIK_GPS_MODE_NO_FIX 1 /* none */ | |
52 | #define VIK_GPS_MODE_2D 2 /* good for latitude/longitude */ | |
53 | #define VIK_GPS_MODE_3D 3 /* good for altitude/climb too */ | |
54 | gint fix_mode; /* VIK_GPS_MODE_NOT_SEEN if data unavailable */ | |
55 | gdouble hdop; /* VIK_DEFAULT_DOP if data unavailable */ | |
56 | gdouble vdop; /* VIK_DEFAULT_DOP if data unavailable */ | |
57 | gdouble pdop; /* VIK_DEFAULT_DOP if data unavailable */ | |
58 | }; | |
59 | ||
60 | typedef enum { | |
61 | TRACK_DRAWNAME_NO=0, | |
62 | TRACK_DRAWNAME_CENTRE, | |
63 | TRACK_DRAWNAME_START, | |
64 | TRACK_DRAWNAME_END, | |
65 | TRACK_DRAWNAME_START_END, | |
66 | TRACK_DRAWNAME_START_END_CENTRE, | |
67 | NUM_TRACK_DRAWNAMES | |
68 | } VikTrackDrawnameType; | |
69 | ||
70 | // Instead of having a separate VikRoute type, routes are considered tracks | |
71 | // Thus all track operations must cope with a 'route' version | |
72 | // [track functions handle having no timestamps anyway - so there is no practical difference in most cases] | |
73 | // This is simpler than having to rewrite particularly every track function for route version | |
74 | // given that they do the same things | |
75 | // Mostly this matters in the display in deciding where and how they are shown | |
76 | typedef struct _VikTrack VikTrack; | |
77 | struct _VikTrack { | |
78 | GList *trackpoints; | |
79 | gboolean visible; | |
80 | gboolean is_route; | |
81 | VikTrackDrawnameType draw_name_mode; | |
82 | guint8 max_number_dist_labels; | |
83 | gchar *comment; | |
84 | gchar *description; | |
85 | guint8 ref_count; | |
86 | gchar *name; | |
87 | GtkWidget *property_dialog; | |
88 | gboolean has_color; | |
89 | GdkColor color; | |
90 | LatLonBBox bbox; | |
91 | }; | |
92 | ||
93 | VikTrack *vik_track_new(); | |
94 | void vik_track_set_defaults(VikTrack *tr); | |
95 | void vik_track_set_name(VikTrack *tr, const gchar *name); | |
96 | void vik_track_set_comment(VikTrack *tr, const gchar *comment); | |
97 | void vik_track_set_description(VikTrack *tr, const gchar *description); | |
98 | void vik_track_ref(VikTrack *tr); | |
99 | void vik_track_free(VikTrack *tr); | |
100 | VikTrack *vik_track_copy ( const VikTrack *tr, gboolean copy_points ); | |
101 | void vik_track_set_comment_no_copy(VikTrack *tr, gchar *comment); | |
102 | VikTrackpoint *vik_trackpoint_new(); | |
103 | void vik_trackpoint_free(VikTrackpoint *tp); | |
104 | VikTrackpoint *vik_trackpoint_copy(VikTrackpoint *tp); | |
105 | void vik_trackpoint_set_name(VikTrackpoint *tp, const gchar *name); | |
106 | ||
107 | void vik_track_add_trackpoint(VikTrack *tr, VikTrackpoint *tp, gboolean recalculate); | |
108 | gdouble vik_track_get_length_to_trackpoint (const VikTrack *tr, const VikTrackpoint *tp); | |
109 | gdouble vik_track_get_length(const VikTrack *tr); | |
110 | gdouble vik_track_get_length_including_gaps(const VikTrack *tr); | |
111 | gulong vik_track_get_tp_count(const VikTrack *tr); | |
112 | guint vik_track_get_segment_count(const VikTrack *tr); | |
113 | VikTrack **vik_track_split_into_segments(VikTrack *tr, guint *ret_len); | |
114 | guint vik_track_merge_segments(VikTrack *tr); | |
115 | void vik_track_reverse(VikTrack *tr); | |
116 | ||
117 | gulong vik_track_get_dup_point_count ( const VikTrack *vt ); | |
118 | gulong vik_track_remove_dup_points ( VikTrack *vt ); | |
119 | gulong vik_track_get_same_time_point_count ( const VikTrack *vt ); | |
120 | gulong vik_track_remove_same_time_points ( VikTrack *vt ); | |
121 | ||
122 | void vik_track_to_routepoints ( VikTrack *tr ); | |
123 | ||
124 | gdouble vik_track_get_max_speed(const VikTrack *tr); | |
125 | gdouble vik_track_get_average_speed(const VikTrack *tr); | |
126 | gdouble vik_track_get_average_speed_moving ( const VikTrack *tr, int stop_length_seconds ); | |
127 | ||
128 | void vik_track_convert ( VikTrack *tr, VikCoordMode dest_mode ); | |
129 | gdouble *vik_track_make_elevation_map ( const VikTrack *tr, guint16 num_chunks ); | |
130 | void vik_track_get_total_elevation_gain(const VikTrack *tr, gdouble *up, gdouble *down); | |
131 | VikTrackpoint *vik_track_get_tp_by_dist ( VikTrack *trk, gdouble meters_from_start, gboolean get_next_point, gdouble *tp_metres_from_start ); | |
132 | VikTrackpoint *vik_track_get_closest_tp_by_percentage_dist ( VikTrack *tr, gdouble reldist, gdouble *meters_from_start ); | |
133 | VikTrackpoint *vik_track_get_closest_tp_by_percentage_time ( VikTrack *tr, gdouble reldist, time_t *seconds_from_start ); | |
134 | VikTrackpoint *vik_track_get_tp_by_max_speed ( const VikTrack *tr ); | |
135 | VikTrackpoint *vik_track_get_tp_by_max_alt ( const VikTrack *tr ); | |
136 | VikTrackpoint *vik_track_get_tp_by_min_alt ( const VikTrack *tr ); | |
137 | VikTrackpoint *vik_track_get_tp_first ( const VikTrack *tr ); | |
138 | VikTrackpoint *vik_track_get_tp_last ( const VikTrack *tr ); | |
139 | gdouble *vik_track_make_gradient_map ( const VikTrack *tr, guint16 num_chunks ); | |
140 | gdouble *vik_track_make_speed_map ( const VikTrack *tr, guint16 num_chunks ); | |
141 | gdouble *vik_track_make_distance_map ( const VikTrack *tr, guint16 num_chunks ); | |
142 | gdouble *vik_track_make_elevation_time_map ( const VikTrack *tr, guint16 num_chunks ); | |
143 | gdouble *vik_track_make_speed_dist_map ( const VikTrack *tr, guint16 num_chunks ); | |
144 | gboolean vik_track_get_minmax_alt ( const VikTrack *tr, gdouble *min_alt, gdouble *max_alt ); | |
145 | void vik_track_marshall ( VikTrack *tr, guint8 **data, guint *len); | |
146 | VikTrack *vik_track_unmarshall (guint8 *data, guint datalen); | |
147 | ||
148 | void vik_track_calculate_bounds ( VikTrack *trk ); | |
149 | ||
150 | void vik_track_anonymize_times ( VikTrack *tr ); | |
151 | gulong vik_track_apply_dem_data ( VikTrack *tr, gboolean skip_existing ); | |
152 | void vik_track_apply_dem_data_last_trackpoint ( VikTrack *tr ); | |
153 | gulong vik_track_smooth_missing_elevation_data ( VikTrack *tr, gboolean flat ); | |
154 | ||
155 | void vik_track_steal_and_append_trackpoints ( VikTrack *t1, VikTrack *t2 ); | |
156 | ||
157 | VikCoord *vik_track_cut_back_to_double_point ( VikTrack *tr ); | |
158 | ||
159 | int vik_track_compare_timestamp (const void *x, const void *y); | |
160 | ||
161 | void vik_track_set_property_dialog(VikTrack *tr, GtkWidget *dialog); | |
162 | void vik_track_clear_property_dialog(VikTrack *tr); | |
163 | ||
164 | G_END_DECLS | |
165 | ||
166 | #endif |