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Package geobabel converts geometry types between popular geometry libraries.

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geobabel

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Package geobabel converts geometry types between popular geometry libraries.

Supported geometry types are:

geobabel exists because no single geometry library is perfect. For example:

  • github.com/paulmach/orb is a pure Go library with friendly API, excellent support for OpenStreetMap data and MapBox Vector Tiles, but only supports 2D geometries, and has a heavy focus on the commonly-used EPSG:4326 and EPSG:3857 projections.

  • github.com/twpayne/go-geom is extremely high performance pure Go library that supports multi-dimensional geometries, multiple encodings, and is projection-agnostic, at the expense of a more complex API and a very limited set of geometric operations.

  • github.com/twpayne/go-geos provides an idiomatic Go API to the huge set of battle-tested geometric operations in the industry-standard GEOS library, at the expense of cgo overhead, C-style memory management, and a focus on 2D geometries.

With geobabel you can combine the best aspects of each library. For example, you can use a pure Go library like go-geom or orb to represent your geometries and use a geometric operation that is only available in go-geos.

Supported conversions

To geom.T To *geos.Geom To orb.Geometry To WKB
From geom.T n/a no yes yes
From *geos.Geom no n/a yes yes
From orb.Geometry yes yes n/a yes
From WKB yes yes yes n/a

Note that WKB does not support LinearRings as a top-level geometry type.

License

MIT

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Package geobabel converts geometry types between popular geometry libraries.

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