EPSG:5507

COORDINATEOPERATION["RGAF09 to IGN 1992 LD height (1)",
    VERSION["IGN Glp Des"],
    SOURCECRS[
        GEOGCRS["RGAF09",
            DATUM["Reseau Geodesique des Antilles Francaises 2009",
                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",5488]]],
    TARGETCRS[
        VERTCRS["IGN 1992 LD height",
            VDATUM["IGN 1992 LD"],
            CS[vertical,1],
                AXIS["gravity-related height (H)",up,
                    LENGTHUNIT["metre",1]],
            ID["EPSG",5618]]],
    METHOD["Geographic3D to GravityRelatedHeight (IGN1997)",
        ID["EPSG",9664]],
    PARAMETERFILE["Geoid (height correction) model file","gg10_ld.txt"],
    OPERATIONACCURACY[0.5],
    USAGE[
        SCOPE["Derivation of gravity-related heights from GNSS observations."],
        AREA["Guadeloupe - onshore - La Desirade."],
        BBOX[16.26,-61.13,16.38,-60.97]],
    ID["EPSG",5507],
    REMARK["Replaces tfm from RRAF 1991, code 4566. Replaced by RGAF09 to IGN 2008 LD height (1), CT code 9131. May be used for transformations from WGS 84 to IGN 1992 LD. Accuracy at each 0.025° grid node is given within the geoid model file, approx. average 0.5m."]]

proj4.defs("EPSG:5507","+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +inv +proj=vgridshift +grids=fr_ign_RALD2016.tif +multiplier=1 +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": "RGAF09 to IGN 1992 LD height (1)",
    "source_crs": {
        "type": "GeographicCRS",
        "name": "RGAF09",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Reseau Geodesique des Antilles Francaises 2009",
            "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": 5488
        }
    },
    "target_crs": {
        "type": "VerticalCRS",
        "name": "IGN 1992 LD height",
        "datum": {
            "type": "VerticalReferenceFrame",
            "name": "IGN 1992 LD"
        },
        "coordinate_system": {
            "subtype": "vertical",
            "axis": [
                {
                    "name": "Gravity-related height",
                    "abbreviation": "H",
                    "direction": "up",
                    "unit": "metre"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 5618
        }
    },
    "method": {
        "name": "Geographic3D to GravityRelatedHeight (IGN1997)",
        "id": {
            "authority": "EPSG",
            "code": 9664
        }
    },
    "parameters": [
        {
            "name": "Geoid (height correction) model file",
            "value": "gg10_ld.txt",
            "id": {
                "authority": "EPSG",
                "code": 8666
            }
        }
    ],
    "accuracy": "0.5",
    "scope": "Derivation of gravity-related heights from GNSS observations.",
    "area": "Guadeloupe - onshore - La Desirade.",
    "bbox": {
        "south_latitude": 16.26,
        "west_longitude": -61.13,
        "north_latitude": 16.38,
        "east_longitude": -60.97
    },
    "id": {
        "authority": "EPSG",
        "code": 5507
    },
    "remarks": "Replaces tfm from RRAF 1991, code 4566. Replaced by RGAF09 to IGN 2008 LD height (1), CT code 9131. May be used for transformations from WGS 84 to IGN 1992 LD. Accuracy at each 0.025° grid node is given within the geoid model file, approx. average 0.5m."
}

<?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=fr_ign_RALD2016.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=fr_ign_RALD2016.tif +multiplier=1 +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 ( 5507, 'EPSG', 5507, '+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +inv +proj=vgridshift +grids=fr_ign_RALD2016.tif +multiplier=1 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1', 'None');