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Geodetic CRS: TM75
Datum: Geodetic Datum of 1965
Ellipsoid: Airy Modified 1849
Prime meridian: Greenwich
Data source: EPSG
Information source: OGP
Revision date: 2020-03-14
Scope: (null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.
Remarks: Parameter values taken from TM65 to ETRS89 (2) (code 1953). Assumes ETRS89 and WGS 84 can be considered the same to within the accuracy of the transformation.
Method: Position Vector transformation (geog2D domain)
Area of use: Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
Description: (482.5, -130.6, 564.6, -1.042, -0.214, -0.631, 8.15)
Definition: PROJ.4
+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +inv +proj=longlat +a=6377340.189 +rf=299.3249646 +step +proj=push +v_3 +step +proj=cart +a=6377340.189 +rf=299.3249646 +step +proj=helmert +x=482.5 +y=-130.6 +z=564.6 +rx=-1.042 +ry=-0.214 +rz=-0.631 +s=8.15 +convention=position_vector +step +inv +proj=cart +ellps=WGS84 +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1
Definition: JavaScript (Proj4js)
&stroke=red&width=2&path=51.39,-10.56|55.43,-10.56|55.43,-5.34|51.39,-5.34|51.39,-10.56)
proj4.defs("EPSG:1954","+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +inv +proj=longlat +a=6377340.189 +rf=299.3249646 +step +proj=push +v_3 +step +proj=cart +a=6377340.189 +rf=299.3249646 +step +proj=helmert +x=482.5 +y=-130.6 +z=564.6 +rx=-1.042 +ry=-0.214 +rz=-0.631 +s=8.15 +convention=position_vector +step +inv +proj=cart +ellps=WGS84 +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/v0.4/projjson.schema.json", "type": "Transformation", "name": "TM75 to WGS 84 (2)", "source_crs": { "type": "GeographicCRS", "name": "TM75", "datum": { "type": "GeodeticReferenceFrame", "name": "Geodetic Datum of 1965", "ellipsoid": { "name": "Airy Modified 1849", "semi_major_axis": 6377340.189, "inverse_flattening": 299.3249646 } }, "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": 4300 } }, "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 } }, "method": { "name": "Position Vector transformation (geog2D domain)", "id": { "authority": "EPSG", "code": 9606 } }, "parameters": [ { "name": "X-axis translation", "value": 482.5, "unit": "metre", "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": -130.6, "unit": "metre", "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": 564.6, "unit": "metre", "id": { "authority": "EPSG", "code": 8607 } }, { "name": "X-axis rotation", "value": -1.042, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8608 } }, { "name": "Y-axis rotation", "value": -0.214, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8609 } }, { "name": "Z-axis rotation", "value": -0.631, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8610 } }, { "name": "Scale difference", "value": 8.15, "unit": { "type": "ScaleUnit", "name": "parts per million", "conversion_factor": 1e-06 }, "id": { "authority": "EPSG", "code": 8611 } } ], "accuracy": "1.0", "scope": "(null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences.", "area": "Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.", "bbox": { "south_latitude": 51.39, "west_longitude": -10.56, "north_latitude": 55.43, "east_longitude": -5.34 }, "id": { "authority": "EPSG", "code": 1954 }, "remarks": "Parameter values taken from TM65 to ETRS89 (2) (code 1953). Assumes ETRS89 and WGS 84 can be considered the same to within the accuracy of the transformation." }
Definition: MapServer - MAPfile
PROJECTION "proj=pipeline" "step" "proj=axisswap" "order=2,1" "step" "proj=unitconvert" "xy_in=deg" "xy_out=rad" "step" "inv" "proj=longlat" "a=6377340.189" "rf=299.3249646" "step" "proj=push" "v_3" "step" "proj=cart" "a=6377340.189" "rf=299.3249646" "step" "proj=helmert" "x=482.5" "y=-130.6" "z=564.6" "rx=-1.042" "ry=-0.214" "rz=-0.631" "s=8.15" "convention=position_vector" "step" "inv" "proj=cart" "ellps=WGS84" "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 +inv +proj=longlat +a=6377340.189 +rf=299.3249646 +step +proj=push +v_3 +step +proj=cart +a=6377340.189 +rf=299.3249646 +step +proj=helmert +x=482.5 +y=-130.6 +z=564.6 +rx=-1.042 +ry=-0.214 +rz=-0.631 +s=8.15 +convention=position_vector +step +inv +proj=cart +ellps=WGS84 +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 +inv +proj=longlat +a=6377340.189 +rf=299.3249646 +step +proj=push +v_3 +step +proj=cart +a=6377340.189 +rf=299.3249646 +step +proj=helmert +x=482.5 +y=-130.6 +z=564.6 +rx=-1.042 +ry=-0.214 +rz=-0.631 +s=8.15 +convention=position_vector +step +inv +proj=cart +ellps=WGS84 +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 ( 1954, 'EPSG', 1954, '+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +inv +proj=longlat +a=6377340.189 +rf=299.3249646 +step +proj=push +v_3 +step +proj=cart +a=6377340.189 +rf=299.3249646 +step +proj=helmert +x=482.5 +y=-130.6 +z=564.6 +rx=-1.042 +ry=-0.214 +rz=-0.631 +s=8.15 +convention=position_vector +step +inv +proj=cart +ellps=WGS84 +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1', 'None');
Definition: OGC WKT 2 (2019)
COORDINATEOPERATION["TM75 to WGS 84 (2)",VERSION["EPSG-Ire"],SOURCECRS[GEOGCRS["TM75",DATUM["Geodetic Datum of 1965",ELLIPSOID["Airy Modified 1849",6377340.189,299.3249646,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",4300]]],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]],ID["EPSG",4326]]],METHOD["Position Vector transformation (geog2D domain)",ID["EPSG",9606]],PARAMETER["X-axis translation",482.5,LENGTHUNIT["metre",1],ID["EPSG",8605]],PARAMETER["Y-axis translation",-130.6,LENGTHUNIT["metre",1],ID["EPSG",8606]],PARAMETER["Z-axis translation",564.6,LENGTHUNIT["metre",1],ID["EPSG",8607]],PARAMETER["X-axis rotation",-1.042,ANGLEUNIT["arc-second",4.84813681109536E-06],ID["EPSG",8608]],PARAMETER["Y-axis rotation",-0.214,ANGLEUNIT["arc-second",4.84813681109536E-06],ID["EPSG",8609]],PARAMETER["Z-axis rotation",-0.631,ANGLEUNIT["arc-second",4.84813681109536E-06],ID["EPSG",8610]],PARAMETER["Scale difference",8.15,SCALEUNIT["parts per million",1E-06],ID["EPSG",8611]],OPERATIONACCURACY[1.0],USAGE[SCOPE["(null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences."],AREA["Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore."],BBOX[51.39,-10.56,55.43,-5.34]],ID["EPSG",1954],REMARK["Parameter values taken from TM65 to ETRS89 (2) (code 1953). Assumes ETRS89 and WGS 84 can be considered the same to within the accuracy of the transformation."]]
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