{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"ProjectedCRS","name":"VN-2000 / TM-3 Da Nang zone","base_crs":{"type":"GeographicCRS","name":"VN-2000","datum":{"type":"GeodeticReferenceFrame","name":"Vietnam 2000","ellipsoid":{"name":"WGS 84","semi_major_axis":6378137,"inverse_flattening":298.257223563}},"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":4756},"remarks":"Replaces Hanoi 1972 (CRS code 4147)."},"conversion":{"name":"Vietnam TM-3 Da Nang zone","method":{"name":"Transverse Mercator","id":{"authority":"EPSG","code":9807}},"parameters":[{"name":"Latitude of natural origin","value":0,"unit":"degree","id":{"authority":"EPSG","code":8801}},{"name":"Longitude of natural origin","value":107.75,"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":500000,"unit":"metre","id":{"authority":"EPSG","code":8807}}]},"coordinate_system":{"subtype":"Cartesian","axis":[{"name":"Easting","abbreviation":"E","direction":"east","unit":"metre"},{"name":"Northing","abbreviation":"N","direction":"north","unit":"metre"}]},"scope":"Engineering survey, topographic mapping (large scale).","area":"Vietnam - Quang Ninh province; Da Nang municipality and Quang Nam province; Ba Ria-Vung Tau, Dong Nai and Lam Dong provinces.","bbox":{"south_latitude":8.57,"west_longitude":106.43,"north_latitude":21.67,"east_longitude":108.76},"id":{"authority":"EPSG","code":6959}}