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Method: NTv2
Grid Files: ISN93_ISN2016.gsb
Remarks: Grid transformation based on Kriging between ISN93 and ISN2016. Accuracy is better than 5 cm in stable areas but can be around 25 cm in areas that have suffered deformation due to earthquake or volcanic eruption.
Information source: National Land Survey of Iceland, www.lmi.is.
Revision date: 2019-10-02
Unit: metre
Geodetic CRS: ISN93
Datum: Islands Net 1993
Ellipsoid: GRS 1980
Prime meridian: Greenwich
Data source: EPSG
Information source: Landmaelingar Islands (National Survey of Iceland).
Revision date: 2010-11-12
Scope: Topographic mapping (medium and small scale).
Remarks: Replaces Hjorsey 1955 / Lambert 1955 (CRS code 3053). Replaced by ISN2004 / Lambert 2004 (CRS code 5325).
Area of use: Iceland - onshore and offshore.
Coordinate system: Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: m.
&stroke=red&width=2&path=59.96,-30.87|69.59,-30.87|69.59,-5.55|59.96,-5.55|59.96,-30.87)
Center coordinates
537578.18 475150.9
Projected bounds:
inf inf
inf inf
WGS84 bounds:
-30.87 59.96
-5.55 69.59
Definition: OGC Well Known Text 2 (2019)
BOUNDCRS[ SOURCECRS[ PROJCRS["ISN93 / Lambert 1993", BASEGEOGCRS["ISN93", DATUM["Islands Net 1993", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4659]], CONVERSION["Iceland Lambert 1993", METHOD["Lambert Conic Conformal (2SP)", ID["EPSG",9802]], PARAMETER["Latitude of false origin",65, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8821]], PARAMETER["Longitude of false origin",-19, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8822]], PARAMETER["Latitude of 1st standard parallel",64.25, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8823]], PARAMETER["Latitude of 2nd standard parallel",65.75, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8824]], PARAMETER["Easting at false origin",500000, LENGTHUNIT["metre",1], ID["EPSG",8826]], PARAMETER["Northing at false origin",500000, LENGTHUNIT["metre",1], ID["EPSG",8827]]], CS[Cartesian,2], AXIS["easting (X)",east, ORDER[1], LENGTHUNIT["metre",1]], AXIS["northing (Y)",north, ORDER[2], LENGTHUNIT["metre",1]], USAGE[ SCOPE["Topographic mapping (medium and small scale)."], AREA["Iceland - onshore and offshore."], BBOX[59.96,-30.87,69.59,-5.55]], ID["EPSG",3057]]], TARGETCRS[ GEOGCRS["ISN2016", DATUM["Islands Net 2016", ELLIPSOID["GRS 1980",6378137,298.257222101, 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]], USAGE[ SCOPE["Horizontal component of 3D system."], AREA["Iceland - onshore and offshore."], BBOX[59.96,-30.87,69.59,-5.55]], ID["EPSG",8086]]], ABRIDGEDTRANSFORMATION["ISN93 to ISN2016 (1)", METHOD["NTv2", ID["EPSG",9615]], PARAMETERFILE["Latitude and longitude difference file","ISN93_ISN2016.gsb"], USAGE[ SCOPE["Spatial referencing."], AREA["Iceland - onshore and offshore."], BBOX[59.96,-30.87,69.59,-5.55]], ID["EPSG",9232], REMARK["Grid transformation based on Kriging between ISN93 and ISN2016. Accuracy is better than 5 cm in stable areas but can be around 25 cm in areas that have suffered deformation due to earthquake or volcanic eruption."]]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "BoundCRS", "source_crs": { "type": "ProjectedCRS", "name": "ISN93 / Lambert 1993", "base_crs": { "name": "ISN93", "datum": { "type": "GeodeticReferenceFrame", "name": "Islands Net 1993", "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": 4659 } }, "conversion": { "name": "Iceland Lambert 1993", "method": { "name": "Lambert Conic Conformal (2SP)", "id": { "authority": "EPSG", "code": 9802 } }, "parameters": [ { "name": "Latitude of false origin", "value": 65, "unit": "degree", "id": { "authority": "EPSG", "code": 8821 } }, { "name": "Longitude of false origin", "value": -19, "unit": "degree", "id": { "authority": "EPSG", "code": 8822 } }, { "name": "Latitude of 1st standard parallel", "value": 64.25, "unit": "degree", "id": { "authority": "EPSG", "code": 8823 } }, { "name": "Latitude of 2nd standard parallel", "value": 65.75, "unit": "degree", "id": { "authority": "EPSG", "code": 8824 } }, { "name": "Easting at false origin", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8826 } }, { "name": "Northing at false origin", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8827 } } ] }, "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": 3057 } }, "target_crs": { "type": "GeographicCRS", "name": "ISN2016", "datum": { "type": "GeodeticReferenceFrame", "name": "Islands Net 2016", "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": 8086 } }, "transformation": { "name": "ISN93 to ISN2016 (1)", "method": { "name": "NTv2", "id": { "authority": "EPSG", "code": 9615 } }, "parameters": [ { "name": "Latitude and longitude difference file", "value": "ISN93_ISN2016.gsb", "id": { "authority": "EPSG", "code": 8656 } } ], "id": { "authority": "EPSG", "code": 9232 } } }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=lcc +lat_0=65 +lon_0=-19 +lat_1=64.25 +lat_2=65.75 +x_0=500000 +y_0=500000 +ellps=GRS80 +units=m +no_defs +type=crs"> <Layer srs="+proj=lcc +lat_0=65 +lon_0=-19 +lat_1=64.25 +lat_2=65.75 +x_0=500000 +y_0=500000 +ellps=GRS80 +units=m +no_defs +type=crs"> </Layer> </Map>
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