Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["Egypt 1907 to WGS 72 (1)", VERSION["MCE-Egy"], SOURCECRS[ GEOGCRS["Egypt 1907", DATUM["Egypt 1907", ELLIPSOID["Helmert 1906",6378200,298.3, 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",4229]]], TARGETCRS[ GEOGCRS["WGS 72", DYNAMIC[ FRAMEEPOCH[1972]], DATUM["World Geodetic System 1972", ELLIPSOID["WGS 72",6378135,298.26, 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",4322]]], METHOD["Geocentric translations (geog2D domain)", ID["EPSG",9603]], PARAMETER["X-axis translation",-121.8, LENGTHUNIT["metre",1], ID["EPSG",8605]], PARAMETER["Y-axis translation",98.1, LENGTHUNIT["metre",1], ID["EPSG",8606]], PARAMETER["Z-axis translation",-15.2, LENGTHUNIT["metre",1], ID["EPSG",8607]], OPERATIONACCURACY[5.0], USAGE[ SCOPE["Not known."], AREA["Egypt - onshore and offshore."], BBOX[21.89,24.7,33.82,37.91]], ID["EPSG",1545]]
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=helmert +step +proj=helmert +x=-121.8 +y=98.1 +z=-15.2 +step +inv +proj=cart +ellps=WGS72 +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:1545","+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=helmert +step +proj=helmert +x=-121.8 +y=98.1 +z=-15.2 +step +inv +proj=cart +ellps=WGS72 +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": "Egypt 1907 to WGS 72 (1)", "source_crs": { "type": "GeographicCRS", "name": "Egypt 1907", "datum": { "type": "GeodeticReferenceFrame", "name": "Egypt 1907", "ellipsoid": { "name": "Helmert 1906", "semi_major_axis": 6378200, "inverse_flattening": 298.3 } }, "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": 4229 } }, "target_crs": { "type": "GeographicCRS", "name": "WGS 72", "datum": { "type": "DynamicGeodeticReferenceFrame", "name": "World Geodetic System 1972", "frame_reference_epoch": 1972, "ellipsoid": { "name": "WGS 72", "semi_major_axis": 6378135, "inverse_flattening": 298.26 } }, "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": 4322 } }, "method": { "name": "Geocentric translations (geog2D domain)", "id": { "authority": "EPSG", "code": 9603 } }, "parameters": [ { "name": "X-axis translation", "value": -121.8, "unit": "metre", "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": 98.1, "unit": "metre", "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": -15.2, "unit": "metre", "id": { "authority": "EPSG", "code": 8607 } } ], "accuracy": "5.0", "scope": "Not known.", "area": "Egypt - onshore and offshore.", "bbox": { "south_latitude": 21.89, "west_longitude": 24.7, "north_latitude": 33.82, "east_longitude": 37.91 }, "id": { "authority": "EPSG", "code": 1545 } }
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=helmert" "step" "proj=helmert" "x=-121.8" "y=98.1" "z=-15.2" "step" "inv" "proj=cart" "ellps=WGS72" "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=helmert +step +proj=helmert +x=-121.8 +y=98.1 +z=-15.2 +step +inv +proj=cart +ellps=WGS72 +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=helmert +step +proj=helmert +x=-121.8 +y=98.1 +z=-15.2 +step +inv +proj=cart +ellps=WGS72 +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 ( 1545, 'EPSG', 1545, '+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=helmert +step +proj=helmert +x=-121.8 +y=98.1 +z=-15.2 +step +inv +proj=cart +ellps=WGS72 +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1', 'None');