Transformation of coordinates at 0.1m level of accuracy.
May be taken as approximate transformation Cadastre 1997 to WGS 84 - see transformation code 4290.
Geocentric translations (geog2D domain)
(0,)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["Cadastre 1997 to RGM04 (1)", VERSION["Certu-Myt"], SOURCECRS[ GEOGCRS["Cadastre 1997", DATUM["Cadastre 1997", 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",4475]]], TARGETCRS[ GEOGCRS["RGM04", DATUM["Reseau Geodesique de Mayotte 2004", 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",4470]]], METHOD["Geocentric translations (geog2D domain)", ID["EPSG",9603]], PARAMETER["X-axis translation",-381.788, LENGTHUNIT["metre",1], ID["EPSG",8605]], PARAMETER["Y-axis translation",-57.501, LENGTHUNIT["metre",1], ID["EPSG",8606]], PARAMETER["Z-axis translation",-256.673, LENGTHUNIT["metre",1], ID["EPSG",8607]], OPERATIONACCURACY[0.1], USAGE[ SCOPE["Transformation of coordinates at 0.1m level of accuracy."], AREA["Mayotte - onshore."], BBOX[-13.05,44.98,-12.61,45.35]], ID["EPSG",4478], REMARK["May be taken as approximate transformation Cadastre 1997 to WGS 84 - see transformation code 4290."]]
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=intl +step +proj=helmert +x=-381.788 +y=-57.501 +z=-256.673 +step +inv +proj=cart +ellps=GRS80 +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:4478","+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=intl +step +proj=helmert +x=-381.788 +y=-57.501 +z=-256.673 +step +inv +proj=cart +ellps=GRS80 +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": "Cadastre 1997 to RGM04 (1)", "source_crs": { "type": "GeographicCRS", "name": "Cadastre 1997", "datum": { "type": "GeodeticReferenceFrame", "name": "Cadastre 1997", "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": 4475 } }, "target_crs": { "type": "GeographicCRS", "name": "RGM04", "datum": { "type": "GeodeticReferenceFrame", "name": "Reseau Geodesique de Mayotte 2004", "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": 4470 } }, "method": { "name": "Geocentric translations (geog2D domain)", "id": { "authority": "EPSG", "code": 9603 } }, "parameters": [ { "name": "X-axis translation", "value": -381.788, "unit": "metre", "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": -57.501, "unit": "metre", "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": -256.673, "unit": "metre", "id": { "authority": "EPSG", "code": 8607 } } ], "accuracy": "0.1", "scope": "Transformation of coordinates at 0.1m level of accuracy.", "area": "Mayotte - onshore.", "bbox": { "south_latitude": -13.05, "west_longitude": 44.98, "north_latitude": -12.61, "east_longitude": 45.35 }, "id": { "authority": "EPSG", "code": 4478 }, "remarks": "May be taken as approximate transformation Cadastre 1997 to WGS 84 - see transformation code 4290." }
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=intl" "step" "proj=helmert" "x=-381.788" "y=-57.501" "z=-256.673" "step" "inv" "proj=cart" "ellps=GRS80" "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=intl +step +proj=helmert +x=-381.788 +y=-57.501 +z=-256.673 +step +inv +proj=cart +ellps=GRS80 +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=intl +step +proj=helmert +x=-381.788 +y=-57.501 +z=-256.673 +step +inv +proj=cart +ellps=GRS80 +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 ( 4478, 'EPSG', 4478, '+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=intl +step +proj=helmert +x=-381.788 +y=-57.501 +z=-256.673 +step +inv +proj=cart +ellps=GRS80 +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1', 'None');