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Geodetic CRS: JGD2024
Datum: Japanese Geodetic Datum 2024
Ellipsoid: GRS 1980
Prime meridian: Greenwich
Data source: EPSG
Information source: Geospatial Information Authority of Japan (GSI) "Update to the Geoid-based vertical datum", August 21, 2025, https://www.gsi.go.jp/sokuchikijun/geoid-based_datum.html
Revision date: 2026-04-21
Scope: Reversible geoid model transformation.
Remarks: Reversible alternative to JGD2024 to JGD2024 (vertical) height (1) (CT code 11334). For adherence to the Survey Act and related regulations, use concatenated operation JGD2024 to JGD2024 (vertical) height (2) (code 11441).
Method: Geog3D to Geog2D+GravityRelatedHeight (ISG)
Area of use: Japan - onshore and offshore.
Description: (0,)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["JGD2024 to JGD2024 + JGD2024 (vertical) height (1)", VERSION["GSI-Jpn 2024 mainland"], SOURCECRS[ GEOGCRS["JGD2024", DATUM["Japanese Geodetic Datum 2024", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[ellipsoidal,3], AXIS["geodetic latitude (Lat)",north, ORDER[1], ANGLEUNIT["degree",0.0174532925199433]], AXIS["geodetic longitude (Lon)",east, ORDER[2], ANGLEUNIT["degree",0.0174532925199433]], AXIS["ellipsoidal height (h)",up, ORDER[3], LENGTHUNIT["metre",1]], ID["EPSG",6667]]], TARGETCRS[ COMPOUNDCRS["JGD2024 + JGD2024 (vertical) height", GEOGCRS["JGD2024", DATUM["Japanese Geodetic Datum 2024", 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]]], VERTCRS["JGD2024 (vertical) height", VDATUM["Japanese Geodetic Datum 2024 (vertical)", ANCHOREPOCH[2024.415]], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]]], ID["EPSG",11318]]], METHOD["Geog3D to Geog2D+GravityRelatedHeight (ISG)", ID["EPSG",1118]], PARAMETERFILE["Geoid (height correction) model file","JPGEO2024.isg"], INTERPOLATIONCRS[ GEOGCRS["JGD2024", DATUM["Japanese Geodetic Datum 2024", 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]]]], OPERATIONACCURACY[0.05], USAGE[ SCOPE["Reversible geoid model transformation."], AREA["Japan - onshore and offshore."], BBOX[17.09,122.38,46.05,157.65]], ID["EPSG",11335], REMARK["Reversible alternative to JGD2024 to JGD2024 (vertical) height (1) (CT code 11334). For adherence to the Survey Act and related regulations, use concatenated operation JGD2024 to JGD2024 (vertical) height (2) (code 11441)."]]
Definition: JavaScript (Proj4js)
proj4.defs("EPSG:11335","+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +inv +proj=vgridshift +grids=jp_gsi_jpgeo2024.tif +multiplier=1 +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": "JGD2024 to JGD2024 + JGD2024 (vertical) height (1)", "source_crs": { "type": "GeographicCRS", "name": "JGD2024", "datum": { "type": "GeodeticReferenceFrame", "name": "Japanese Geodetic Datum 2024", "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" }, { "name": "Ellipsoidal height", "abbreviation": "h", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 6667 }, "remarks": "Replaces JGD2000 (CRS code 4947) with effect from 21st October 2011. On adoption of JGD2024 (vertical) with effect from 1st April 2025, the name of this geodetic CRS was changed from JGD2011 to JGD2024; there is no change of definition or of coordinate values." }, "target_crs": { "type": "CompoundCRS", "name": "JGD2024 + JGD2024 (vertical) height", "components": [ { "type": "GeographicCRS", "name": "JGD2024", "datum": { "type": "GeodeticReferenceFrame", "name": "Japanese Geodetic Datum 2024", "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" } ] }, "remarks": "Replaces JGD2000 (CRS code 4612) with effect from 21st October 2011. On adoption of JGD2024 (vertical) with effect from 1st April 2025, the name of this geodetic CRS was changed from JGD2011 to JGD2024; there is no change of definition or of coordinate values." }, { "type": "VerticalCRS", "name": "JGD2024 (vertical) height", "datum": { "type": "VerticalReferenceFrame", "name": "Japanese Geodetic Datum 2024 (vertical)", "anchor_epoch": 2024.415 }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] } } ], "id": { "authority": "EPSG", "code": 11318 } }, "interpolation_crs": { "type": "GeographicCRS", "name": "JGD2024", "datum": { "type": "GeodeticReferenceFrame", "name": "Japanese Geodetic Datum 2024", "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": 6668 }, "remarks": "Replaces JGD2000 (CRS code 4612) with effect from 21st October 2011. On adoption of JGD2024 (vertical) with effect from 1st April 2025, the name of this geodetic CRS was changed from JGD2011 to JGD2024; there is no change of definition or of coordinate values." }, "method": { "name": "Geog3D to Geog2D+GravityRelatedHeight (ISG)", "id": { "authority": "EPSG", "code": 1118 } }, "parameters": [ { "name": "Geoid (height correction) model file", "value": "JPGEO2024.isg", "id": { "authority": "EPSG", "code": 8666 } } ], "accuracy": "0.05", "scope": "Reversible geoid model transformation.", "area": "Japan - onshore and offshore.", "bbox": { "south_latitude": 17.09, "west_longitude": 122.38, "north_latitude": 46.05, "east_longitude": 157.65 }, "id": { "authority": "EPSG", "code": 11335 }, "remarks": "Reversible alternative to JGD2024 to JGD2024 (vertical) height (1) (CT code 11334). For adherence to the Survey Act and related regulations, use concatenated operation JGD2024 to JGD2024 (vertical) height (2) (code 11441)." }
Definition: MapServer - MAPfile
PROJECTION "proj=pipeline" "step" "proj=axisswap" "order=2,1" "step" "proj=unitconvert" "xy_in=deg" "xy_out=rad" "step" "inv" "proj=vgridshift" "grids=jp_gsi_jpgeo2024.tif" "multiplier=1" "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=vgridshift +grids=jp_gsi_jpgeo2024.tif +multiplier=1 +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=vgridshift +grids=jp_gsi_jpgeo2024.tif +multiplier=1 +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 ( 11335, 'EPSG', 11335, '+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +inv +proj=vgridshift +grids=jp_gsi_jpgeo2024.tif +multiplier=1 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1', 'None');
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