Molodensky-Badekas (CF geog2D domain)
Derived from Macao 2008 to Macao 1920 (1) (code 8435) (reversed) assuming that Macao 2008 is equivalent to WGS 84 within the accuracy of the transformation. Some parameter values differ in the reverse due to the high rotations.
IOGP
2021-09-23
metre
EPSG
Directorate of Cartographic and Cadastral Services (DSCC).
2018-02-08
Cadastre, engineering survey, topographic mapping (large scale).
China - Macao - onshore and offshore.
Cartesian 2D CS. Axes: northing, easting (N,E). Orientations: north, east. UoM: m.
26276.49 12695.14
18018.84 3282.95
34533.83 22109.73
113.52 22.06
113.68 22.23
Definition: OGC Well Known Text
PROJCS["Macao 1920 / Macao Grid", GEOGCS["Macao 1920", DATUM["Macao_1920", SPHEROID["International 1924",6378388,297], TOWGS84[-202.865,-303.99,-155.873,-34.079,76.126,32.66,6.096]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","8428"]], PROJECTION["Transverse_Mercator"], PARAMETER["latitude_of_origin",22.2123972222222], PARAMETER["central_meridian",113.536469444444], PARAMETER["scale_factor",1], PARAMETER["false_easting",20000], PARAMETER["false_northing",20000], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AUTHORITY["EPSG","8433"]]
Definition: OGC Well Known Text 2 (2019)
BOUNDCRS[ SOURCECRS[ PROJCRS["Macao 1920 / Macao Grid", BASEGEOGCRS["Macao 1920", DATUM["Macao 1920", ELLIPSOID["International 1924",6378388,297, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",8428]], CONVERSION["Macau Grid", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",22.2123972222222, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",113.536469444444, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",1, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",20000, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",20000, LENGTHUNIT["metre",1], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["northing (N)",north, ORDER[1], LENGTHUNIT["metre",1]], AXIS["easting (E)",east, ORDER[2], LENGTHUNIT["metre",1]], USAGE[ SCOPE["Cadastre, engineering survey, topographic mapping (large scale)."], AREA["China - Macao - onshore and offshore."], BBOX[22.06,113.52,22.23,113.68]], ID["EPSG",8433]]], TARGETCRS[ GEOGCRS["WGS 84", ENSEMBLE["World Geodetic System 1984 ensemble", MEMBER["World Geodetic System 1984 (Transit)"], MEMBER["World Geodetic System 1984 (G730)"], MEMBER["World Geodetic System 1984 (G873)"], MEMBER["World Geodetic System 1984 (G1150)"], MEMBER["World Geodetic System 1984 (G1674)"], MEMBER["World Geodetic System 1984 (G1762)"], MEMBER["World Geodetic System 1984 (G2139)"], ELLIPSOID["WGS 84",6378137,298.257223563, LENGTHUNIT["metre",1]], ENSEMBLEACCURACY[2.0]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[ellipsoidal,2], AXIS["geodetic latitude (Lat)",north, ORDER[1], ANGLEUNIT["degree",0.0174532925199433]], AXIS["geodetic longitude (Lon)",east, ORDER[2], ANGLEUNIT["degree",0.0174532925199433]], USAGE[ SCOPE["Horizontal component of 3D system."], AREA["World."], BBOX[-90,-180,90,180]], ID["EPSG",4326]]], ABRIDGEDTRANSFORMATION["Transformation from unknown to WGS84", METHOD["Position Vector transformation (geog2D domain)", ID["EPSG",9606]], PARAMETER["X-axis translation",-202.865, ID["EPSG",8605]], PARAMETER["Y-axis translation",-303.99, ID["EPSG",8606]], PARAMETER["Z-axis translation",-155.873, ID["EPSG",8607]], PARAMETER["X-axis rotation",-34.079, ID["EPSG",8608]], PARAMETER["Y-axis rotation",76.126, ID["EPSG",8609]], PARAMETER["Z-axis rotation",32.66, ID["EPSG",8610]], PARAMETER["Scale difference",1.000006096, ID["EPSG",8611]]]]
Definition: ESRI Well Known Text
PROJCS["Macao_1920_Macao_Grid", GEOGCS["Macao_1920", DATUM["Macao_1920", SPHEROID["International_1924",6378388.0,297.0]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]], PROJECTION["Transverse_Mercator"], PARAMETER["False_Easting",20000.0], PARAMETER["False_Northing",20000.0], PARAMETER["Central_Meridian",113.536469444444], PARAMETER["Scale_Factor",1.0], PARAMETER["Latitude_Of_Origin",22.2123972222222], UNIT["Meter",1.0]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "BoundCRS", "source_crs": { "type": "ProjectedCRS", "name": "Macao 1920 / Macao Grid", "base_crs": { "name": "Macao 1920", "datum": { "type": "GeodeticReferenceFrame", "name": "Macao 1920", "ellipsoid": { "name": "International 1924", "semi_major_axis": 6378388, "inverse_flattening": 297 } }, "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": 8428 } }, "conversion": { "name": "Macau Grid", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 22.2123972222222, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 113.536469444444, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 1, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 20000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 20000, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Northing", "abbreviation": "N", "direction": "north", "unit": "metre" }, { "name": "Easting", "abbreviation": "E", "direction": "east", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8433 } }, "target_crs": { "type": "GeographicCRS", "name": "WGS 84", "datum_ensemble": { "name": "World Geodetic System 1984 ensemble", "members": [ { "name": "World Geodetic System 1984 (Transit)", "id": { "authority": "EPSG", "code": 1166 } }, { "name": "World Geodetic System 1984 (G730)", "id": { "authority": "EPSG", "code": 1152 } }, { "name": "World Geodetic System 1984 (G873)", "id": { "authority": "EPSG", "code": 1153 } }, { "name": "World Geodetic System 1984 (G1150)", "id": { "authority": "EPSG", "code": 1154 } }, { "name": "World Geodetic System 1984 (G1674)", "id": { "authority": "EPSG", "code": 1155 } }, { "name": "World Geodetic System 1984 (G1762)", "id": { "authority": "EPSG", "code": 1156 } }, { "name": "World Geodetic System 1984 (G2139)", "id": { "authority": "EPSG", "code": 1309 } } ], "ellipsoid": { "name": "WGS 84", "semi_major_axis": 6378137, "inverse_flattening": 298.257223563 }, "accuracy": "2.0", "id": { "authority": "EPSG", "code": 6326 } }, "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": 4326 } }, "transformation": { "name": "Transformation from unknown to WGS84", "method": { "name": "Position Vector transformation (geog2D domain)", "id": { "authority": "EPSG", "code": 9606 } }, "parameters": [ { "name": "X-axis translation", "value": -202.865, "unit": "metre", "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": -303.99, "unit": "metre", "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": -155.873, "unit": "metre", "id": { "authority": "EPSG", "code": 8607 } }, { "name": "X-axis rotation", "value": -34.079, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8608 } }, { "name": "Y-axis rotation", "value": 76.126, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8609 } }, { "name": "Z-axis rotation", "value": 32.66, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8610 } }, { "name": "Scale difference", "value": 6.096, "unit": { "type": "ScaleUnit", "name": "parts per million", "conversion_factor": 1e-06 }, "id": { "authority": "EPSG", "code": 8611 } } ] } }
Definition: GeoServer
8433=PROJCS["Macao 1920 / Macao Grid",GEOGCS["Macao 1920",DATUM["Macao_1920",SPHEROID["International 1924",6378388,297],TOWGS84[-202.865,-303.99,-155.873,-34.079,76.126,32.66,6.096]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","8428"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",22.2123972222222],PARAMETER["central_meridian",113.536469444444],PARAMETER["scale_factor",1],PARAMETER["false_easting",20000],PARAMETER["false_northing",20000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","8433"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=tmerc +lat_0=22.2123972222222 +lon_0=113.536469444444 +k=1 +x_0=20000 +y_0=20000 +ellps=intl +towgs84=-202.865,-303.99,-155.873,-34.079,76.126,32.66,6.096 +units=m +no_defs +type=crs"> <Layer srs="+proj=tmerc +lat_0=22.2123972222222 +lon_0=113.536469444444 +k=1 +x_0=20000 +y_0=20000 +ellps=intl +towgs84=-202.865,-303.99,-155.873,-34.079,76.126,32.66,6.096 +units=m +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 8433, 'EPSG', 8433, '+proj=tmerc +lat_0=22.2123972222222 +lon_0=113.536469444444 +k=1 +x_0=20000 +y_0=20000 +ellps=intl +towgs84=-202.865,-303.99,-155.873,-34.079,76.126,32.66,6.096 +units=m +no_defs +type=crs', 'PROJCS["Macao 1920 / Macao Grid",GEOGCS["Macao 1920",DATUM["Macao_1920",SPHEROID["International 1924",6378388,297],TOWGS84[-202.865,-303.99,-155.873,-34.079,76.126,32.66,6.096]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","8428"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",22.2123972222222],PARAMETER["central_meridian",113.536469444444],PARAMETER["scale_factor",1],PARAMETER["false_easting",20000],PARAMETER["false_northing",20000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","8433"]]');