2 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
4 * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
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.
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.
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
22 #ifndef _VIKING_TRACK_H
23 #define _VIKING_TRACK_H
30 /* todo important: put these in their own header file, maybe.probably also rename */
32 #define VIK_TRACK(x) ((VikTrack *)(x))
33 #define VIK_TRACKPOINT(x) ((VikTrackpoint *)(x))
35 typedef struct _VikTrackpoint VikTrackpoint
;
36 struct _VikTrackpoint
{
39 gboolean has_timestamp
;
44 typedef struct _VikTrack VikTrack
;
52 VikTrack
*vik_track_new();
53 void vik_track_set_comment(VikTrack
*wp
, const gchar
*comment
);
54 void vik_track_ref(VikTrack
*tr
);
55 void vik_track_free(VikTrack
*tr
);
56 VikTrack
*vik_track_copy ( const VikTrack
*tr
);
57 void vik_track_set_comment_no_copy(VikTrack
*tr
, gchar
*comment
);
58 VikTrackpoint
*vik_trackpoint_new();
59 void vik_trackpoint_free(VikTrackpoint
*tp
);
60 VikTrackpoint
*vik_trackpoint_copy(VikTrackpoint
*tp
);
61 gdouble
vik_track_get_length(const VikTrack
*tr
);
62 gdouble
vik_track_get_length_including_gaps(const VikTrack
*tr
);
63 gulong
vik_track_get_tp_count(const VikTrack
*tr
);
64 guint
vik_track_get_segment_count(const VikTrack
*tr
);
65 VikTrack
**vik_track_split_into_segments(VikTrack
*tr
, guint
*ret_len
);
66 void vik_track_reverse(VikTrack
*tr
);
68 gulong
vik_track_get_dup_point_count ( const VikTrack
*vt
);
69 void vik_track_remove_dup_points ( VikTrack
*vt
);
71 gdouble
vik_track_get_max_speed(const VikTrack
*tr
);
72 gdouble
vik_track_get_average_speed(const VikTrack
*tr
);
74 void vik_track_convert ( VikTrack
*tr
, VikCoordMode dest_mode
);
75 gdouble
*vik_track_make_elevation_map ( const VikTrack
*tr
, guint16 num_chunks
);
76 void vik_track_get_total_elevation_gain(const VikTrack
*tr
, gdouble
*up
, gdouble
*down
);
77 VikTrackpoint
*vik_track_get_closest_tp_by_percentage_dist ( VikTrack
*tr
, gdouble reldist
);
78 gdouble
*vik_track_make_speed_map ( const VikTrack
*tr
, guint16 num_chunks
);
79 gboolean
vik_track_get_minmax_alt ( const VikTrack
*tr
, gdouble
*min_alt
, gdouble
*max_alt
);
80 void vik_track_marshall ( VikTrack
*tr
, guint8
**data
, guint
*len
);
81 VikTrack
*vik_track_unmarshall (guint8
*data
, guint datalen
);