{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"CompoundCRS","name":"JGD2011 / Japan Plane Rectangular CS VIII + JGD2011 (vertical) height","components":[{"type":"ProjectedCRS","name":"JGD2011 / Japan Plane Rectangular CS VIII","base_crs":{"type":"GeographicCRS","name":"JGD2011","datum":{"type":"GeodeticReferenceFrame","name":"Japanese Geodetic Datum 2011","ellipsoid":{"name":"GRS 1980","semi_major_axis":6378137,"inverse_flattening":298.257222101}},"coordinate_system":{"subtype":"ellipsoidal","axis":[{"name":"Geodetic latitude","abbreviation":"Lat","direction":"north","unit":"degree"},{"name":"Geodetic longitude","abbreviation":"Lon","direction":"east","unit":"degree"}]},"id":{"authority":"EPSG","code":6668},"remarks":"Replaces JGD2000 (CRS code 4612) with effect from 21st October 2011."},"conversion":{"name":"Japan Plane Rectangular CS zone VIII","method":{"name":"Transverse Mercator","id":{"authority":"EPSG","code":9807}},"parameters":[{"name":"Latitude of natural origin","value":36,"unit":"degree","id":{"authority":"EPSG","code":8801}},{"name":"Longitude of natural origin","value":138.5,"unit":"degree","id":{"authority":"EPSG","code":8802}},{"name":"Scale factor at natural origin","value":0.9999,"unit":"unity","id":{"authority":"EPSG","code":8805}},{"name":"False easting","value":0,"unit":"metre","id":{"authority":"EPSG","code":8806}},{"name":"False northing","value":0,"unit":"metre","id":{"authority":"EPSG","code":8807}}]},"coordinate_system":{"subtype":"Cartesian","axis":[{"name":"Northing","abbreviation":"X","direction":"north","unit":"metre"},{"name":"Easting","abbreviation":"Y","direction":"east","unit":"metre"}]}},{"type":"VerticalCRS","name":"JGD2011 (vertical) height","datum":{"type":"VerticalReferenceFrame","name":"Japanese Geodetic Datum 2011 (vertical)"},"coordinate_system":{"subtype":"vertical","axis":[{"name":"Gravity-related height","abbreviation":"H","direction":"up","unit":"metre"}]}}],"scope":"Cadastre, engineering survey, topographic mapping (large and medium scale).","area":"Japan - onshore - Honshu between approximately 137°45'E and 139°E - Niigata-ken on Honshu; Nagano-ken; Yamanashi-ken; Shizuoka-ken.","bbox":{"south_latitude":34.54,"west_longitude":137.32,"north_latitude":38.58,"east_longitude":139.91},"id":{"authority":"EPSG","code":10169}}