degree
Engineering survey, topographic mapping.
None
Netherlands - onshore, including Waddenzee, Dutch Wadden Islands and 12-mile offshore coastal zone.
Data Source: EPSG v11.016 2024-08-31
Datum: Amersfoort
Coordinate System: Undefined
Projection: Undefined
Geodetic CRS: Undefined
COMPOUNDCRS["RD/NAP",
GEOGCRS["Amersfoort",
DATUM["Amersfoort",
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]]],
VERTCRS["NAP height",
VDATUM["Normaal Amsterdams Peil"],
CS[vertical,1],
AXIS["gravity-related height (H)",up,
LENGTHUNIT["metre",1]]],
USAGE[
SCOPE["Engineering survey, topographic mapping."],
AREA["Netherlands - onshore, including Waddenzee, Dutch Wadden Islands and 12-mile offshore coastal zone."],
BBOX[50.75,3.2,53.7,7.22]],
ID["EPSG",7408]]
{
"$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
"type": "CompoundCRS",
"name": "RD/NAP",
"components": [
{
"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"
}
]
}
},
{
"type": "VerticalCRS",
"name": "NAP height",
"datum": {
"type": "VerticalReferenceFrame",
"name": "Normaal Amsterdams Peil"
},
"coordinate_system": {
"subtype": "vertical",
"axis": [
{
"name": "Gravity-related height",
"abbreviation": "H",
"direction": "up",
"unit": "metre"
}
]
}
}
],
"scope": "Engineering survey, topographic mapping.",
"area": "Netherlands - onshore, including Waddenzee, Dutch Wadden Islands and 12-mile offshore coastal zone.",
"bbox": {
"south_latitude": 50.75,
"west_longitude": 3.2,
"north_latitude": 53.7,
"east_longitude": 7.22
},
"id": {
"authority": "EPSG",
"code": 7408
}
}
{'crs_wkt': 'COMPOUNDCRS["RD/NAP",GEOGCRS["Amersfoort",DATUM["Amersfoort",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]]],VERTCRS["NAP '
'height",VDATUM["Normaal Amsterdams '
'Peil"],CS[vertical,1],AXIS["gravity-related height '
'(H)",up,LENGTHUNIT["metre",1]]],USAGE[SCOPE["Engineering survey, '
'topographic mapping."],AREA["Netherlands - onshore, including '
'Waddenzee, Dutch Wadden Islands and 12-mile offshore coastal '
'zone."],BBOX[50.75,3.2,53.7,7.22]],ID["EPSG",7408]]',
'geographic_crs_name': 'Amersfoort',
'geopotential_datum_name': 'Normaal Amsterdams Peil',
'grid_mapping_name': 'latitude_longitude',
'horizontal_datum_name': 'Amersfoort',
'inverse_flattening': 299.1528128,
'longitude_of_prime_meridian': 0.0,
'prime_meridian_name': 'Greenwich',
'reference_ellipsoid_name': 'Bessel 1841',
'semi_major_axis': 6377397.155,
'semi_minor_axis': 6356078.962818189}