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Name: S-JTSK/05 to WGS 84 (1)
Method: Coordinate Frame rotation (geog2D domain)
Remarks: Parameter values from S-JTSK/05 to ETRS89 (1) (code 5226). Assumes ETRS89 and WGS 84 can be considered the same to within the accuracy of the transformation. Replaces tfm code 1622.
Information source: OGP
Revision date: 2020-03-14
Unit: metre
Geodetic CRS: S-JTSK/05
Datum: System of the Unified Trigonometrical Cadastral Network/05
Ellipsoid: Bessel 1841
Prime meridian: Greenwich
Data source: EPSG
Information source: Land Survey Office (ZU), Prague. www.cuzk.cz/zu
Revision date: 2024-03-06
Scope: Engineering survey, topographic mapping.
Remarks: Greenwich-referenced alternative to S-JTSK/05 (Ferro) / Modified Krovak, CRS code 5224. S-JTSK / Krovak, CRS code 5513, remains the legal system.
Area of use: Czechia.
Coordinate system: Cartesian 2D CS. Axes: southing, westing (X,Y). Orientations: south, west. UoM: m.
&stroke=red&width=2&path=48.58,12.09|51.06,12.09|51.06,18.86|48.58,18.86|48.58,12.09)
Center coordinates
6082295.54 5671714.6
Projected bounds:
5911061.5 5418640.5
6244147.19 5935747.51
WGS84 bounds:
12.09 48.58
18.86 51.06
Definition: OGC Well Known Text 2 (2019)
PROJCRS["S-JTSK/05 / Modified Krovak", BASEGEOGCRS["S-JTSK/05", DATUM["System of the Unified Trigonometrical Cadastral Network/05", ELLIPSOID["Bessel 1841",6377397.155,299.1528128, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",5228]], CONVERSION["Modified Krovak (Greenwich)", METHOD["Krovak Modified", ID["EPSG",1042]], PARAMETER["Latitude of projection centre",49.5, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8811]], PARAMETER["Longitude of origin",24.8333333333333, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8833]], PARAMETER["Co-latitude of cone axis",30.2881397222222, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",1036]], PARAMETER["Latitude of pseudo standard parallel",78.5, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8818]], PARAMETER["Scale factor on pseudo standard parallel",0.9999, SCALEUNIT["unity",1], ID["EPSG",8819]], PARAMETER["False easting",5000000, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",5000000, LENGTHUNIT["metre",1], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["southing (X)",south, ORDER[1], LENGTHUNIT["metre",1]], AXIS["westing (Y)",west, ORDER[2], LENGTHUNIT["metre",1]], USAGE[ SCOPE["Engineering survey, topographic mapping."], AREA["Czechia."], BBOX[48.58,12.09,51.06,18.86]], ID["EPSG",5515]]
Definition: JavaScript (Proj4js)
proj4.defs("EPSG:5515","+proj=mod_krovak +axis=swu +lat_0=49.5 +lon_0=24.8333333333333 +alpha=30.2881397222222 +k=0.9999 +x_0=5000000 +y_0=5000000 +ellps=bessel +towgs84=572.213,85.334,461.94,-4.9732,-1.529,-5.2484,3.5378 +units=m +no_defs +type=crs");
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "ProjectedCRS", "name": "S-JTSK/05 / Modified Krovak", "base_crs": { "name": "S-JTSK/05", "datum": { "type": "GeodeticReferenceFrame", "name": "System of the Unified Trigonometrical Cadastral Network/05", "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": 5228 } }, "conversion": { "name": "Modified Krovak (Greenwich)", "method": { "name": "Krovak Modified", "id": { "authority": "EPSG", "code": 1042 } }, "parameters": [ { "name": "Latitude of projection centre", "value": 49.5, "unit": "degree", "id": { "authority": "EPSG", "code": 8811 } }, { "name": "Longitude of origin", "value": 24.8333333333333, "unit": "degree", "id": { "authority": "EPSG", "code": 8833 } }, { "name": "Co-latitude of cone axis", "value": 30.2881397222222, "unit": "degree", "id": { "authority": "EPSG", "code": 1036 } }, { "name": "Latitude of pseudo standard parallel", "value": 78.5, "unit": "degree", "id": { "authority": "EPSG", "code": 8818 } }, { "name": "Scale factor on pseudo standard parallel", "value": 0.9999, "unit": "unity", "id": { "authority": "EPSG", "code": 8819 } }, { "name": "False easting", "value": 5000000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 5000000, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Southing", "abbreviation": "X", "direction": "south", "unit": "metre" }, { "name": "Westing", "abbreviation": "Y", "direction": "west", "unit": "metre" } ] }, "scope": "Engineering survey, topographic mapping.", "area": "Czechia.", "bbox": { "south_latitude": 48.58, "west_longitude": 12.09, "north_latitude": 51.06, "east_longitude": 18.86 }, "id": { "authority": "EPSG", "code": 5515 } }
Definition: MapServer - MAPfile
PROJECTION "proj=mod_krovak" "axis=swu" "lat_0=49.5" "lon_0=24.8333333333333" "alpha=30.2881397222222" "k=0.9999" "x_0=5000000" "y_0=5000000" "ellps=bessel" "towgs84=572.213,85.334,461.94,-4.9732,-1.529,-5.2484,3.5378" "units=m" "no_defs" "type=crs" END
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=mod_krovak +axis=swu +lat_0=49.5 +lon_0=24.8333333333333 +alpha=30.2881397222222 +k=0.9999 +x_0=5000000 +y_0=5000000 +ellps=bessel +towgs84=572.213,85.334,461.94,-4.9732,-1.529,-5.2484,3.5378 +units=m +no_defs +type=crs"> <Layer srs="+proj=mod_krovak +axis=swu +lat_0=49.5 +lon_0=24.8333333333333 +alpha=30.2881397222222 +k=0.9999 +x_0=5000000 +y_0=5000000 +ellps=bessel +towgs84=572.213,85.334,461.94,-4.9732,-1.529,-5.2484,3.5378 +units=m +no_defs +type=crs"> </Layer> </Map>
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