https://github.com/georust/geo

Geospatial primitives and algorithms for Rust
https://github.com/georust/geo

geography geometry geospatial gis rust

Last synced: 30 days ago
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Geospatial primitives and algorithms for Rust

• Host: GitHub
• URL: https://github.com/georust/geo
• Owner: georust
• License: other
• Created: 2015-01-16T01:00:41.000Z (almost 10 years ago)
• Default Branch: main
• Last Pushed: 2024-04-13T16:47:49.000Z (7 months ago)
• Last Synced: 2024-04-13T21:01:32.583Z (7 months ago)
• Topics: geography, geometry, geospatial, gis, rust
• Language: Rust
• Homepage: https://crates.io/crates/geo
• Size: 10.1 MB
• Stars: 1,392
• Watchers: 36
• Forks: 186
• Open Issues: 119
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGES.md
  • Contributing: CONTRIBUTING.md
  • License: LICENSE-APACHE
  • Code of conduct: CODE_OF_CONDUCT.md

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# geo

## Geospatial Primitives, Algorithms, and Utilities

### Chat or ask questions on [Discord](https://discord.gg/Fp2aape)

The `geo` crate provides geospatial primitive types such as `Point`, `LineString`, and `Polygon`, and provides algorithms and operations such as:

- Area and centroid calculation

- Simplification and convex hull operations

- Euclidean and Haversine distance measurement

- Intersection checks

- Affine transforms such as rotation and translation

- All DE-9IM spatial predicates such as contains, crosses, and touches.

Please refer to [the documentation](https://docs.rs/geo) for a complete list.

The primitive types also provide the basis for other functionality in the `Geo` ecosystem, including:

- [Coordinate transformation and projection](https://github.com/georust/proj)

- Serialization to and from [GeoJSON](https://github.com/georust/geojson) and [WKT](https://github.com/georust/wkt)

- [Geocoding](https://github.com/georust/geocoding)

- [Working with GPS data](https://github.com/georust/gpx)

## Example

```rust

// primitives

use geo::{line_string, polygon};

// algorithms

use geo::ConvexHull;

// An L shape

let poly = polygon![

    (x: 0.0, y: 0.0),

    (x: 4.0, y: 0.0),

    (x: 4.0, y: 1.0),

    (x: 1.0, y: 1.0),

    (x: 1.0, y: 4.0),

    (x: 0.0, y: 4.0),

    (x: 0.0, y: 0.0),

];

// Calculate the polygon's convex hull

let hull = poly.convex_hull();

assert_eq!(

    hull.exterior(),

    &line_string![

        (x: 4.0, y: 0.0),

        (x: 4.0, y: 1.0),

        (x: 1.0, y: 4.0),

        (x: 0.0, y: 4.0),

        (x: 0.0, y: 0.0),

        (x: 4.0, y: 0.0),

    ]

);

```

## Contributing

Contributions are welcome! Have a look at the [issues](https://github.com/georust/geo/issues), and open a pull request if you'd like to add an algorithm or some functionality.

## License

Licensed under either of

 * Apache License, Version 2.0 ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)

 * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)

at your option.

### Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted

for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any

additional terms or conditions.