EPSG
Directorate of Cartographic and Cadastral Services (DSCC).
2018-02-12
Transformation of coordinates at 1m level of accuracy.
Derived at 3 stations in 2008. Accuracy not stated.
Molodensky-Badekas (CF geog2D domain)
China - Macao - onshore and offshore.
(0,)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["Macao 2008 to Macao 1920 (1)", VERSION["DSCC-Mac"], SOURCECRS[ GEOGCRS["Macao 2008", DATUM["Macao Geodetic Datum 2008", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]]], 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]], ID["EPSG",8431]]], TARGETCRS[ GEOGCRS["Macao 1920", DATUM["Macao 1920", ELLIPSOID["International 1924",6378388,297, LENGTHUNIT["metre",1]]], 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]], ID["EPSG",8428]]], METHOD["Molodensky-Badekas (CF geog2D domain)", ID["EPSG",9636]], PARAMETER["X-axis translation",202.865, LENGTHUNIT["metre",1], ID["EPSG",8605]], PARAMETER["Y-axis translation",303.99, LENGTHUNIT["metre",1], ID["EPSG",8606]], PARAMETER["Z-axis translation",155.873, LENGTHUNIT["metre",1], ID["EPSG",8607]], PARAMETER["X-axis rotation",34.067, ANGLEUNIT["arc-second",4.84813681109536E-06], ID["EPSG",8608]], PARAMETER["Y-axis rotation",-76.126, ANGLEUNIT["arc-second",4.84813681109536E-06], ID["EPSG",8609]], PARAMETER["Z-axis rotation",-32.647, ANGLEUNIT["arc-second",4.84813681109536E-06], ID["EPSG",8610]], PARAMETER["Scale difference",-6.096, SCALEUNIT["parts per million",1E-06], ID["EPSG",8611]], PARAMETER["Ordinate 1 of evaluation point",-2361757.652, LENGTHUNIT["metre",1], ID["EPSG",8617]], PARAMETER["Ordinate 2 of evaluation point",5417232.187, LENGTHUNIT["metre",1], ID["EPSG",8618]], PARAMETER["Ordinate 3 of evaluation point",2391453.053, LENGTHUNIT["metre",1], ID["EPSG",8667]], OPERATIONACCURACY[999.0], USAGE[ SCOPE["Transformation of coordinates at 1m level of accuracy."], AREA["China - Macao - onshore and offshore."], BBOX[22.06,113.52,22.23,113.68]], ID["EPSG",8435], REMARK["Derived at 3 stations in 2008. Accuracy not stated."]]
Definition: PROJ.4
+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=push +v_3 +step +proj=cart +ellps=GRS80 +step +proj=molobadekas +x=202.865 +y=303.99 +z=155.873 +rx=34.067 +ry=-76.126 +rz=-32.647 +s=-6.096 +px=-2361757.652 +py=5417232.187 +pz=2391453.053 +convention=coordinate_frame +step +inv +proj=cart +ellps=intl +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1
Definition: JavaScript (Proj4js)
proj4.defs("EPSG:8435","+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=push +v_3 +step +proj=cart +ellps=GRS80 +step +proj=molobadekas +x=202.865 +y=303.99 +z=155.873 +rx=34.067 +ry=-76.126 +rz=-32.647 +s=-6.096 +px=-2361757.652 +py=5417232.187 +pz=2391453.053 +convention=coordinate_frame +step +inv +proj=cart +ellps=intl +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1");
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Transformation", "name": "Macao 2008 to Macao 1920 (1)", "source_crs": { "type": "GeographicCRS", "name": "Macao 2008", "datum": { "type": "GeodeticReferenceFrame", "name": "Macao Geodetic Datum 2008", "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": 8431 } }, "target_crs": { "type": "GeographicCRS", "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 } }, "method": { "name": "Molodensky-Badekas (CF geog2D domain)", "id": { "authority": "EPSG", "code": 9636 } }, "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": 34.067, "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": -32.647, "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 } }, { "name": "Ordinate 1 of evaluation point", "value": -2361757.652, "unit": "metre", "id": { "authority": "EPSG", "code": 8617 } }, { "name": "Ordinate 2 of evaluation point", "value": 5417232.187, "unit": "metre", "id": { "authority": "EPSG", "code": 8618 } }, { "name": "Ordinate 3 of evaluation point", "value": 2391453.053, "unit": "metre", "id": { "authority": "EPSG", "code": 8667 } } ], "accuracy": "999.0", "scope": "Transformation of coordinates at 1m level of accuracy.", "area": "China - Macao - onshore and offshore.", "bbox": { "south_latitude": 22.06, "west_longitude": 113.52, "north_latitude": 22.23, "east_longitude": 113.68 }, "id": { "authority": "EPSG", "code": 8435 }, "remarks": "Derived at 3 stations in 2008. Accuracy not stated." }
Definition: MapServer - MAPfile
PROJECTION "proj=pipeline" "step" "proj=axisswap" "order=2,1" "step" "proj=unitconvert" "xy_in=deg" "xy_out=rad" "step" "proj=push" "v_3" "step" "proj=cart" "ellps=GRS80" "step" "proj=molobadekas" "x=202.865" "y=303.99" "z=155.873" "rx=34.067" "ry=-76.126" "rz=-32.647" "s=-6.096" "px=-2361757.652" "py=5417232.187" "pz=2391453.053" "convention=coordinate_frame" "step" "inv" "proj=cart" "ellps=intl" "step" "proj=pop" "v_3" "step" "proj=unitconvert" "xy_in=rad" "xy_out=deg" "step" "proj=axisswap" "order=2,1" END
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=push +v_3 +step +proj=cart +ellps=GRS80 +step +proj=molobadekas +x=202.865 +y=303.99 +z=155.873 +rx=34.067 +ry=-76.126 +rz=-32.647 +s=-6.096 +px=-2361757.652 +py=5417232.187 +pz=2391453.053 +convention=coordinate_frame +step +inv +proj=cart +ellps=intl +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1"> <Layer srs="+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=push +v_3 +step +proj=cart +ellps=GRS80 +step +proj=molobadekas +x=202.865 +y=303.99 +z=155.873 +rx=34.067 +ry=-76.126 +rz=-32.647 +s=-6.096 +px=-2361757.652 +py=5417232.187 +pz=2391453.053 +convention=coordinate_frame +step +inv +proj=cart +ellps=intl +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 8435, 'EPSG', 8435, '+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=push +v_3 +step +proj=cart +ellps=GRS80 +step +proj=molobadekas +x=202.865 +y=303.99 +z=155.873 +rx=34.067 +ry=-76.126 +rz=-32.647 +s=-6.096 +px=-2361757.652 +py=5417232.187 +pz=2391453.053 +convention=coordinate_frame +step +inv +proj=cart +ellps=intl +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1', 'None');