Geodetic CRS: S-JTSK (Ferro)
Datum: System of the Unified Trigonometrical Cadastral Network (Ferro)
Ellipsoid: Bessel 1841
Prime meridian: Ferro
Data source: EPSG
Information source: OGP
Revision date: 2006-10-13
Scope: Change of prime meridian.
Method: Longitude rotation
Area of use: Czechia; Slovakia.
Description: (0,)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["S-JTSK (Ferro) to S-JTSK (1)", VERSION["EPSG-Cze"], SOURCECRS[ GEOGCRS["S-JTSK (Ferro)", DATUM["System of the Unified Trigonometrical Cadastral Network (Ferro)", ELLIPSOID["Bessel 1841",6377397.155,299.1528128, LENGTHUNIT["metre",1]]], PRIMEM["Ferro",-17.6666666666667, 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",4818]]], TARGETCRS[ GEOGCRS["S-JTSK", DATUM["System of the Unified Trigonometrical Cadastral Network", ELLIPSOID["Bessel 1841",6377397.155,299.1528128, 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",4156]]], METHOD["Longitude rotation", ID["EPSG",9601]], PARAMETER["Longitude offset",-17.6666666666667, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8602]], OPERATIONACCURACY[0.0], USAGE[ SCOPE["Change of prime meridian."], AREA["Czechia; Slovakia."], BBOX[47.73,12.09,51.06,22.56]], ID["EPSG",1884]]
Definition: JavaScript (Proj4js)
proj4.defs("EPSG:1884","+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +inv +proj=longlat +ellps=bessel +pm=ferro +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": "S-JTSK (Ferro) to S-JTSK (1)", "source_crs": { "type": "GeographicCRS", "name": "S-JTSK (Ferro)", "datum": { "type": "GeodeticReferenceFrame", "name": "System of the Unified Trigonometrical Cadastral Network (Ferro)", "ellipsoid": { "name": "Bessel 1841", "semi_major_axis": 6377397.155, "inverse_flattening": 299.1528128 }, "prime_meridian": { "name": "Ferro", "longitude": -17.6666666666667 } }, "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": 4818 }, "remarks": "Initial realization, observed and calculated in projected CRS domain (CRS code 2065). Later densification introduced distortion with inaccuracy of several decimetres. In Slovakia has been deprecated and replaced by Greenwich equivalent, CRS code 4156." }, "target_crs": { "type": "GeographicCRS", "name": "S-JTSK", "datum": { "type": "GeodeticReferenceFrame", "name": "System of the Unified Trigonometrical Cadastral Network", "ellipsoid": { "name": "Bessel 1841", "semi_major_axis": 6377397.155, "inverse_flattening": 299.1528128 } }, "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": 4156 }, "remarks": "Greenwich-referenced equivalent to S-JTSK (CRS code 4818). Technically improved and replaced through S-JTSK [JTSK03] in Slovakia, CRS code 8351. Remains the legal system in Czechia but see scientific working system CRSs 5228 and 5229." }, "method": { "name": "Longitude rotation", "id": { "authority": "EPSG", "code": 9601 } }, "parameters": [ { "name": "Longitude offset", "value": -17.6666666666667, "unit": "degree", "id": { "authority": "EPSG", "code": 8602 } } ], "accuracy": "0.0", "scope": "Change of prime meridian.", "area": "Czechia; Slovakia.", "bbox": { "south_latitude": 47.73, "west_longitude": 12.09, "north_latitude": 51.06, "east_longitude": 22.56 }, "id": { "authority": "EPSG", "code": 1884 } }
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" "ellps=bessel" "pm=ferro" "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 +ellps=bessel +pm=ferro +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 +ellps=bessel +pm=ferro +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 ( 1884, 'EPSG', 1884, '+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +inv +proj=longlat +ellps=bessel +pm=ferro +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1', 'None');