H3 is a geospatial indexing system using a hexagonal grid.

Documentation of the C library is available at https://uber.github.io/h3/.

This c# binding is available as a Nuget package here.

PM > Install-Package H3 -Version 3.2.1-rc

Available versions are:

• 3.2.1-rc Bindings to Uber C library version 3.2.0

This package includes the 3.2.0 version of the native C library.

• 1.0.0 Bindings to Uber C library version 3.1.0

This package does not embed the corresponding native c library within the package. It has to be build and added separately.

Windows: .NET Standard 2.0

All H3 functions are available EXCEPT the experimental ones:

experimentalH3ToLocalIj(H3Index origin, H3Index h3, CoordIJ *out);
experimentalLocalIjToH3(H3Index origin, const CoordIJ *ij, H3Index *out);

H3 is licensed under the Apache 2.0 License.