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Name: Amersfoort to ETRS89-NLD [AGRS2010] (9)
Method: NTv2
Grid Files: rdtrans2018.gsb
Remarks: Defines Amersfoort (also known as RD Bessel). Horizontal component of official transformation RDNAPTRANS(TM)2018. Replaces Amersfoort to ETRS89 (7) (CT code 7000).
Information source: NSGI: Netherlands partnership of Kadaster, Rijkswaterstaat and Hydrographic Service, http://www.nsgi.nl/
Revision date: 2025-12-25
Unit: metre
Geodetic CRS: Amersfoort
Datum: Amersfoort
Ellipsoid: Bessel 1841
Prime meridian: Greenwich
Data source: EPSG
Information source: NSGI: Netherlands Partnership of Kadaster, Rijkswaterstaat and Hydrographic Service, http://www.nsgi.nl/.
Revision date: 2026-01-06
Scope: Cadastre, engineering survey, topographic mapping.
Remarks: Replaces 28991 (RD Old). Since 2000-10-01 has been redefined as derived from ETRS89 by application of the official transformation RDNAPTRANS(TM). Since 2008 use has been extended from onshore to offshore through the RDNAPTRANS(TM) transformation.
Area of use: Netherlands - onshore and offshore.
Coordinate system: Cartesian 2D CS. Axes: easting, northing (x,y). Orientations: east, north. UoM: m.
&stroke=red&width=2&path=50.75,2.53|55.77,2.53|55.77,7.22|50.75,7.22|50.75,2.53)
Center coordinates
120818.81 586060.23
Projected bounds:
-46622.03 306674.62
284347.25 869062.9
WGS84 bounds:
2.53 50.75
7.22 55.77
Definition: OGC Well Known Text 2 (2019)
BOUNDCRS[ SOURCECRS[ PROJCRS["Amersfoort / RD New", BASEGEOGCRS["Amersfoort", DATUM["Amersfoort", ELLIPSOID["Bessel 1841",6377397.155,299.1528128, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4289]], CONVERSION["RD New", METHOD["Oblique Stereographic", ID["EPSG",9809]], PARAMETER["Latitude of natural origin",52.1561605555556, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",5.38763888888889, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",0.9999079, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",155000, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",463000, LENGTHUNIT["metre",1], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["easting (x)",east, ORDER[1], LENGTHUNIT["metre",1]], AXIS["northing (y)",north, ORDER[2], LENGTHUNIT["metre",1]], USAGE[ SCOPE["Cadastre, engineering survey, topographic mapping."], AREA["Netherlands - onshore and offshore."], BBOX[50.75,2.53,55.77,7.22]], ID["EPSG",28992]]], TARGETCRS[ GEOGCRS["ETRS89-NLD [AGRS2010]", DATUM["AGRS2010 (ETRF2000)", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]], ANCHOREPOCH[2010.5]], 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]], USAGE[ SCOPE["Horizontal component of 3D system."], AREA["Netherlands - onshore and offshore."], BBOX[50.75,2.53,55.77,7.22]], ID["EPSG",11037], REMARK["Horizontal component of national realization of ETRS89 in the Netherlands, aligned to ETRF2000."]]], ABRIDGEDTRANSFORMATION["Amersfoort to ETRS89-NLD [AGRS2010] (9)", METHOD["NTv2", ID["EPSG",9615]], PARAMETERFILE["Latitude and longitude difference file","rdtrans2018.gsb"], USAGE[ SCOPE["Horizontal component of official 3D RDNAPTRANS(TM)2018 transformation. Accuracy by definition exact."], AREA["Netherlands - onshore and offshore."], BBOX[50.75,2.53,55.77,7.22]], ID["EPSG",9282], REMARK["Defines Amersfoort (also known as RD Bessel). Horizontal component of official transformation RDNAPTRANS(TM)2018. Replaces Amersfoort to ETRS89 (7) (CT code 7000)."]]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "BoundCRS", "source_crs": { "type": "ProjectedCRS", "name": "Amersfoort / RD New", "base_crs": { "type": "GeographicCRS", "name": "Amersfoort", "datum": { "type": "GeodeticReferenceFrame", "name": "Amersfoort", "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": 4289 }, "remarks": "Use of geographic2D CRS Amersfoort (code 4289) for spatial referencing is discouraged. Use projected CRS Amersfoort / RD New (code 28992) or ETRS89-NLD [AGRS2010] (code 11037)." }, "conversion": { "name": "RD New", "method": { "name": "Oblique Stereographic", "id": { "authority": "EPSG", "code": 9809 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 52.1561605555556, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 5.38763888888889, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9999079, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 155000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 463000, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "x", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "y", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 28992 } }, "target_crs": { "type": "GeographicCRS", "name": "ETRS89-NLD [AGRS2010]", "datum": { "type": "GeodeticReferenceFrame", "name": "AGRS2010 (ETRF2000)", "anchor_epoch": 2010.5, "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": 11037 }, "remarks": "Horizontal component of national realization of ETRS89 in the Netherlands, aligned to ETRF2000." }, "transformation": { "name": "Amersfoort to ETRS89-NLD [AGRS2010] (9)", "method": { "name": "NTv2", "id": { "authority": "EPSG", "code": 9615 } }, "parameters": [ { "name": "Latitude and longitude difference file", "value": "rdtrans2018.gsb", "id": { "authority": "EPSG", "code": 8656 } } ], "id": { "authority": "EPSG", "code": 9282 } } }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=sterea +lat_0=52.1561605555556 +lon_0=5.38763888888889 +k=0.9999079 +x_0=155000 +y_0=463000 +ellps=bessel +units=m +no_defs +type=crs"> <Layer srs="+proj=sterea +lat_0=52.1561605555556 +lon_0=5.38763888888889 +k=0.9999079 +x_0=155000 +y_0=463000 +ellps=bessel +units=m +no_defs +type=crs"> </Layer> </Map>
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