oragono/vendor/github.com/tidwall/rtred

RTree implementation for Go

This package provides an in-memory R-Tree implementation for Go, useful as a spatial data structure. It has support for 1-20 dimensions, and can store and search multidimensions interchangably in the same tree.

Authors

• 1983 Original algorithm and test code by Antonin Guttman and Michael Stonebraker, UC Berkely
• 1994 ANCI C ported from original test code by Melinda Green
• 1995 Sphere volume fix for degeneracy problem submitted by Paul Brook
• 2004 Templated C++ port by Greg Douglas
• 2016 Go port by Josh Baker
• 2018 Added kNN and merged in some of the RBush logic by Vladimir Agafonkin

License

RTree source code is available under the MIT License.