| Name | antimeridian JSON |
| Version |
0.4.3
JSON |
| download |
| home_page | None |
| Summary | Correct GeoJSON geometries that cross the 180th meridian |
| upload_time | 2025-07-25 10:40:40 |
| maintainer | None |
| docs_url | None |
| author | None |
| requires_python | >=3.10 |
| license | Apache-2.0 |
| keywords |
antimeridian
geojson
shapely
|
| VCS |
 |
| bugtrack_url |
|
| requirements |
No requirements were recorded.
|
| Travis-CI |
No Travis.
|
| coveralls test coverage |
No coveralls.
|
# antimeridian
[](https://github.com/gadomski/antimeridian/actions/workflows/ci.yaml)
[](https://www.gadom.ski/antimeridian/)
[](https://pypi.org/project/antimeridian/)
[](https://anaconda.org/conda-forge/antimeridian)
[](https://github.com/gadomski/antimeridian/blob/main/LICENSE)
[](https://github.com/gadomski/antimeridian/blob/main/CODE_OF_CONDUCT)
[](https://joss.theoj.org/papers/2a6c626b3774c8310e46c05fdf8d10de)
[](https://doi.org/10.5281/zenodo.14335984)
Fix shapes that cross the antimeridian.
See [the documentation](https://antimeridian.readthedocs.io) for information about the underlying algorithm.
Depends on [shapely](https://shapely.readthedocs.io) and [numpy](https://numpy.org/).
Can fix:
- Shapely [`Polygon`](https://shapely.readthedocs.io/en/stable/reference/shapely.Polygon.html#shapely.Polygon), [`MultiPolygon`](https://shapely.readthedocs.io/en/stable/reference/shapely.MultiPolygon.html#shapely.MultiPolygon), [`LineString`](https://shapely.readthedocs.io/en/stable/reference/shapely.LineString.html#shapely.LineString), and [`MultiLineString`](https://shapely.readthedocs.io/en/stable/reference/shapely.MultiLineString.html#shapely.MultiLineString) objects
- GeoJSON [Polygons](https://datatracker.ietf.org/doc/html/rfc7946#section-3.1.6), [MultiPolygons](https://datatracker.ietf.org/doc/html/rfc7946#section-3.1.7), [Features](https://datatracker.ietf.org/doc/html/rfc7946#section-3.2) and [FeatureCollections](https://datatracker.ietf.org/doc/html/rfc7946#section-3.3), as dictionaries
- Anything that has a [`__geo_interface__`](https://gist.github.com/sgillies/2217756)
## Usage
```shell
python -m pip install antimeridian
```
Then:
```python
import antimeridian
fixed = antimeridian.fix_geojson(geojson)
```
We also have some utilities to create [bounding boxes](https://antimeridian.readthedocs.io/en/latest/api.html#antimeridian.bbox) and [centroids](https://antimeridian.readthedocs.io/en/latest/api.html#antimeridian.centroid) from antimeridian-crossing polygons and multipolygons.
See [the documentation](https://www.gadom.ski/antimeridian/) for a complete API reference.
### Command line interface
Use the `cli` optional dependency to install the `antimeridian` CLI:
```shell
python -m pip install 'antimeridian[cli]'
antimeridian fix input.json > output.json
```
## Developing
Get [uv](https://docs.astral.sh/uv/getting-started/installation/).
Then:
```shell
git clone https://github.com/gadomski/antimeridian
cd antimeridian
uv sync
```
We use [pytest](https://docs.pytest.org) for tests:
```shell
uv run pytest
```
To build and serve the docs locally:
```shell
uv run mkdocs serve
```
## Contributing
See [CONTRIBUTING.md](./CONTRIBUTING.md).
## License
[Apache-2.0](https://github.com/gadomski/antimeridian/blob/main/LICENSE)
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"description": "# antimeridian\n\n[](https://github.com/gadomski/antimeridian/actions/workflows/ci.yaml)\n[](https://www.gadom.ski/antimeridian/)\n[](https://pypi.org/project/antimeridian/)\n[](https://anaconda.org/conda-forge/antimeridian)\n[](https://github.com/gadomski/antimeridian/blob/main/LICENSE)\n[](https://github.com/gadomski/antimeridian/blob/main/CODE_OF_CONDUCT)\n\n[](https://joss.theoj.org/papers/2a6c626b3774c8310e46c05fdf8d10de)\n[](https://doi.org/10.5281/zenodo.14335984)\n\n\n\nFix shapes that cross the antimeridian.\nSee [the documentation](https://antimeridian.readthedocs.io) for information about the underlying algorithm.\nDepends on [shapely](https://shapely.readthedocs.io) and [numpy](https://numpy.org/).\n\nCan fix:\n\n- Shapely [`Polygon`](https://shapely.readthedocs.io/en/stable/reference/shapely.Polygon.html#shapely.Polygon), [`MultiPolygon`](https://shapely.readthedocs.io/en/stable/reference/shapely.MultiPolygon.html#shapely.MultiPolygon), [`LineString`](https://shapely.readthedocs.io/en/stable/reference/shapely.LineString.html#shapely.LineString), and [`MultiLineString`](https://shapely.readthedocs.io/en/stable/reference/shapely.MultiLineString.html#shapely.MultiLineString) objects\n- GeoJSON [Polygons](https://datatracker.ietf.org/doc/html/rfc7946#section-3.1.6), [MultiPolygons](https://datatracker.ietf.org/doc/html/rfc7946#section-3.1.7), [Features](https://datatracker.ietf.org/doc/html/rfc7946#section-3.2) and [FeatureCollections](https://datatracker.ietf.org/doc/html/rfc7946#section-3.3), as dictionaries\n- Anything that has a [`__geo_interface__`](https://gist.github.com/sgillies/2217756)\n\n## Usage\n\n```shell\npython -m pip install antimeridian\n```\n\nThen:\n\n```python\nimport antimeridian\n\nfixed = antimeridian.fix_geojson(geojson)\n```\n\nWe also have some utilities to create [bounding boxes](https://antimeridian.readthedocs.io/en/latest/api.html#antimeridian.bbox) and [centroids](https://antimeridian.readthedocs.io/en/latest/api.html#antimeridian.centroid) from antimeridian-crossing polygons and multipolygons.\nSee [the documentation](https://www.gadom.ski/antimeridian/) for a complete API reference.\n\n### Command line interface\n\nUse the `cli` optional dependency to install the `antimeridian` CLI:\n\n```shell\npython -m pip install 'antimeridian[cli]'\nantimeridian fix input.json > output.json\n```\n\n## Developing\n\nGet [uv](https://docs.astral.sh/uv/getting-started/installation/).\nThen:\n\n```shell\ngit clone https://github.com/gadomski/antimeridian\ncd antimeridian\nuv sync\n```\n\nWe use [pytest](https://docs.pytest.org) for tests:\n\n```shell\nuv run pytest\n```\n\nTo build and serve the docs locally:\n\n```shell\nuv run mkdocs serve\n```\n\n## Contributing\n\nSee [CONTRIBUTING.md](./CONTRIBUTING.md).\n\n## License\n\n[Apache-2.0](https://github.com/gadomski/antimeridian/blob/main/LICENSE)\n",
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