snap-gpx-track-to-wpts
A small command-line Python tool that snaps tracks in GPX files to waypoints. This enables more precise distance calculations when waypoints are off-route.
Installation
From PyPI (pip):
pip install snap-gpx-track-to-wpts
From PyPI (uv):
uv tool install snap-gpx-track-to-wpts
From source:
git clone https://github.com/andrashann/snap-gpx-track-to-wpts.git
cd snap-gpx-track-to-wpts
uv sync
Usage
snap-gpx-track-to-wpts -i infile.gpx [-d maxdistance] [-m mode] [-f [outfile]]
When running from a source checkout, prefix with uv run:
uv run snap-gpx-track-to-wpts -i infile.gpx [-d maxdistance] [-m mode] [-f [outfile]]
| Argument | Required | Default | Description |
|---|---|---|---|
-i infile.gpx |
Yes | Input GPX file | |
-d maxdistance |
No | 100 |
Maximum distance (meters) from track to snap a waypoint; farther waypoints are discarded |
-m mode |
No | add |
add: finds the point on the track closest to the waypoint -- not necessarily a track point itself, it could be between two track points e.g. on long straight segments. If it is not a track point, then we create this closest location as a track point. Then we create a duplicate, and between the original and the duplicate, we add the location of the waypoint as another track point. move: moves the closest track point to the waypoint location |
-f [outfile] |
No | stdout | If omitted: print to stdout. If -f with no argument: save to <infile>_snapped_<maxdistance>.gpx. If -f outfile: save to the specified file. |
--drop-unmatched-wpts |
No | off | Remove waypoints from the output that were not snapped to any track (i.e. farther than -d from all tracks). |
Notes
- If there are multiple tracks, all tracks are modified. For each track, all waypoints are taken into account.
- If there are no tracks in the file, exits with a warning but no error.
- If there are no waypoints in the file, exits with a warning but no error.
- Only the tracks are changed and only the relevant points. Attributes of track points, such as timestamp, elevation, or heart rate are not modified.
- Routes and waypoints are not modified.
1 maintainer
Metadata
1 maintainer
Release files for snap-gpx-track-to-wpts 0.2.0
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Total release size: 12.5 kB
Release files / snap_gpx_track_to_wpts-0.2.0.tar.gz
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