EPSG:6740

COORDINATEOPERATION["Tokyo to JGD2024 (2)",
    VERSION["OGP-Jpn ex N Honshu"],
    SOURCECRS[
        GEOGCRS["Tokyo",
            DATUM["Tokyo",
                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]],
            ID["EPSG",4301]]],
    TARGETCRS[
        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]],
            ID["EPSG",6668]]],
    METHOD["NTv2",
        ID["EPSG",9615]],
    PARAMETERFILE["Latitude and longitude difference file","tky2jgd.gsb"],
    OPERATIONACCURACY[0.2],
    USAGE[
        SCOPE["Engineering survey, topographic mapping."],
        AREA["Japan - onshore, excluding northern prefectures of 'main province' (see remarks)."],
        BBOX[20.37,122.83,45.54,154.05]],
    ID["EPSG",6740],
    REMARK["Parameter values from Tokyo to JGD2000 (2) (CT code 6712) as in area of applicability JGD2024 = JGD2000. NTv2 grid derived by ESRI from that supplied by GSI in application tky2jgd. See Tokyo to JGD2024 (1) (tfm code 6714) for northern Honshu area. On adoption of JGD2024 (vertical) with effect from 1st April 2025, the name of the target CRS was changed from JGD2011 to JGD2024; there is no change of definition or of coordinate values."]]

proj4.defs("EPSG:6740","+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=hgridshift +grids=tky2jgd.gsb +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1");

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "Transformation",
    "name": "Tokyo to JGD2024 (2)",
    "source_crs": {
        "type": "GeographicCRS",
        "name": "Tokyo",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Tokyo",
            "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": 4301
        },
        "remarks": "In Japan, replaces Tokyo 1892 (CRS code 5132) and replaced by JGD2000 (code 4612) from April 2002. In Korea used only for geodetic applications before being replaced by Korean 1985 (code 4162)."
    },
    "target_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": "NTv2",
        "id": {
            "authority": "EPSG",
            "code": 9615
        }
    },
    "parameters": [
        {
            "name": "Latitude and longitude difference file",
            "value": "tky2jgd.gsb",
            "id": {
                "authority": "EPSG",
                "code": 8656
            }
        }
    ],
    "accuracy": "0.2",
    "scope": "Engineering survey, topographic mapping.",
    "area": "Japan - onshore, excluding northern prefectures of 'main province' (see remarks).",
    "bbox": {
        "south_latitude": 20.37,
        "west_longitude": 122.83,
        "north_latitude": 45.54,
        "east_longitude": 154.05
    },
    "id": {
        "authority": "EPSG",
        "code": 6740
    },
    "remarks": "Parameter values from Tokyo to JGD2000 (2) (CT code 6712) as in area of applicability JGD2024 = JGD2000. NTv2 grid derived by ESRI from that supplied by GSI in application tky2jgd. See Tokyo to JGD2024 (1) (tfm code 6714) for northern Honshu area. On adoption of JGD2024 (vertical) with effect from 1st April 2025, the name of the target CRS was changed from JGD2011 to JGD2024; there is no change of definition or of coordinate values."
}

<?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 +proj=hgridshift +grids=tky2jgd.gsb +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 +proj=hgridshift +grids=tky2jgd.gsb +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1">
	</Layer>
</Map>

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 6740, 'EPSG', 6740, '+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=hgridshift +grids=tky2jgd.gsb +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1', 'None');