what is the purpose of this polyline.jl file in the OpenStreetMapX package?

pszufe / OpenStreetMapX.jl

OpenStreetMap (*.osm) support for Julia 1.0 and up

MIT License

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what is the purpose of this polyline.jl file in the OpenStreetMapX package? #26

Open bsnyh opened 4 years ago

bsnyh commented 4 years ago

Hi, I was wondering, what is exactly the purpose of this polyline.jl file? Why do I need to encode single coordinates? Thank you so much for your time and attention.