EPSG
EPSG Guidance Note #7-2.
2006-07-21
Geographic 3D to geographic 2D conversions.
See EPSG Guidance Note #7 or Coordinate Operation Method description for techniques for handling reverse conversion.
(0,)
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Conversion", "name": "SIRGAS 2000 geog3D to geog2D", "method": { "name": "Geographic3D to 2D conversion", "id": { "authority": "EPSG", "code": 9659 } }, "id": { "authority": "EPSG", "code": 15559 } }