RTree implementation for Go
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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
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* 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
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RTree source code is available under the MIT License.