jiayuasu commented on PR #12421:
URL: https://github.com/apache/iceberg/pull/12421#issuecomment-2691035420
@szehon-ho yes, the projjson representation of OGC:CRS84 is listed above. To
put it in the Iceberg format, it is
```
projjson:{
"$schema": "https://proj.org/schemas/v0.5/projjson.schema.json";,
"type": "GeographicCRS",
"name": "WGS 84 longitude-latitude",
"datum": {
"type": "GeodeticReferenceFrame",
"name": "World Geodetic System 1984",
"ellipsoid": {
"name": "WGS 84",
"semi_major_axis": 6378137,
"inverse_flattening": 298.257223563
}
},
"coordinate_system": {
"subtype": "ellipsoidal",
"axis": [
{
"name": "Geodetic longitude",
"abbreviation": "Lon",
"direction": "east",
"unit": "degree"
},
{
"name": "Geodetic latitude",
"abbreviation": "Lat",
"direction": "north",
"unit": "degree"
}
]
},
"id": {
"authority": "OGC",
"code": "CRS84"
}
}
```
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