# sif-rtree

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A simple library implementing an immutable, flat representation of an [R-tree](https://en.wikipedia.org/wiki/R-tree) supporting several kinds of spatial queries, nearest neighbour search and backing storage based on memory maps.

## License

Licensed under

 * [Apache License, Version 2.0](LICENSE-APACHE) or
 * [MIT license](LICENSE-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.