EPSG:8561

COORDINATEOPERATION["Old Hawaiian to NAD83 (2)",
    VERSION["NGS-Usa HI Nadcon5"],
    SOURCECRS[
        GEOGCRS["Old Hawaiian",
            DATUM["Old Hawaiian",
                ELLIPSOID["Clarke 1866",6378206.4,294.978698213898,
                    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",4135]]],
    TARGETCRS[
        GEOGCRS["NAD83",
            DATUM["North American Datum 1983",
                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",4269]]],
    METHOD["NADCON5 (2D)",
        ID["EPSG",1074]],
    PARAMETERFILE["Latitude difference file","nadcon5.ohd.nad83_1986.hawaii.lat.trn.20160901.b"],
    PARAMETERFILE["Longitude difference file","nadcon5.ohd.nad83_1986.hawaii.lon.trn.20160901.b"],
    OPERATIONACCURACY[0.2],
    USAGE[
        SCOPE["Geodesy."],
        AREA["United States (USA) - Hawaii - main islands onshore."],
        BBOX[18.87,-160.3,22.29,-154.74]],
    ID["EPSG",8561],
    REMARK["Uses NADCON5 method which expects longitudes positive east in range 0-360°; EPSG source and target CRSs have longitudes positive east in range -180° to +180°."]]

proj4.defs("EPSG:8561","+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=gridshift +grids=us_noaa_nadcon5_ohd_nad83_1986_hawaii.tif +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": "Old Hawaiian to NAD83 (2)",
    "source_crs": {
        "type": "GeographicCRS",
        "name": "Old Hawaiian",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Old Hawaiian",
            "ellipsoid": {
                "name": "Clarke 1866",
                "semi_major_axis": 6378206.4,
                "semi_minor_axis": 6356583.8
            }
        },
        "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": 4135
        },
        "remarks": "Note: this CRS includes longitudes which are POSITIVE EAST."
    },
    "target_crs": {
        "type": "GeographicCRS",
        "name": "NAD83",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "North American Datum 1983",
            "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": 4269
        },
        "remarks": "Longitude is POSITIVE EAST. The adjustment included connections to Greenland and Mexico but the system was not adopted there. For applications with an accuracy of better than 1m replaced by NAD83(HARN) in the US and PRVI and by NAD83(CSRS) in Canada."
    },
    "method": {
        "name": "NADCON5 (2D)",
        "id": {
            "authority": "EPSG",
            "code": 1074
        }
    },
    "parameters": [
        {
            "name": "Latitude difference file",
            "value": "nadcon5.ohd.nad83_1986.hawaii.lat.trn.20160901.b",
            "id": {
                "authority": "EPSG",
                "code": 8657
            }
        },
        {
            "name": "Longitude difference file",
            "value": "nadcon5.ohd.nad83_1986.hawaii.lon.trn.20160901.b",
            "id": {
                "authority": "EPSG",
                "code": 8658
            }
        }
    ],
    "accuracy": "0.2",
    "scope": "Geodesy.",
    "area": "United States (USA) - Hawaii - main islands onshore.",
    "bbox": {
        "south_latitude": 18.87,
        "west_longitude": -160.3,
        "north_latitude": 22.29,
        "east_longitude": -154.74
    },
    "id": {
        "authority": "EPSG",
        "code": 8561
    },
    "remarks": "Uses NADCON5 method which expects longitudes positive east in range 0-360°; EPSG source and target CRSs have longitudes positive east in range -180° to +180°."
}

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INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 8561, 'EPSG', 8561, '+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=gridshift +grids=us_noaa_nadcon5_ohd_nad83_1986_hawaii.tif +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1', 'None');