https://tools.ietf.org/html/rfc7946#section-3.1.1
Array should contain between two and three elements.
The previous GeoJSON specification allowed more elements (e.g., which could be used to represent M values),
but the current specification only allows X, Y, and (optionally) Z to be defined.
Position
https://tools.ietf.org/html/rfc7946#section-3.1.1 Array should contain between two and three elements. The previous GeoJSON specification allowed more elements (e.g., which could be used to represent M values), but the current specification only allows X, Y, and (optionally) Z to be defined.