The GeoJSON spec says "The default CRS is a geographic coordinate reference system, using the WGS84 datum, and with longitude and latitude units of decimal degrees". It doesn't say seem to specify what the units of elevation/altitude/z are for points.
Is there a default unit of altitude for GeoJSON? If not, are there common conventions, or a way to specify units?
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Is there a default unit of altitude for GeoJSON? If not, are there common conventions, or a way to specify units?
أكثر...