NAD27 + NGVD29 height (ftUS)

Definition: Well Known Text (WKT)

COMPD_CS["NAD27 + NGVD29 height (ftUS)",
    GEOGCS["NAD27",
        DATUM["North_American_Datum_1927",
            SPHEROID["Clarke 1866",6378206.4,294.978698213898]],
        PRIMEM["Greenwich",0],
        UNIT["degree",0.0174532925199433]],
    VERT_CS["NGVD29 height (ftUS)",
        VERT_DATUM["National Geodetic Vertical Datum 1929",2005],
        UNIT["US survey foot",0.304800609601219],
        AXIS["Gravity-related height",UP]],
    AUTHORITY["EPSG","7406"]]

Definition: ESRI WKT

GEOGCS["GCS_North_American_1927",DATUM["D_North_American_1927",SPHEROID["Clarke_1866",6378206.4,294.978698213898]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],VERTCS["NGVD_1929",VDATUM["National_Geodetic_Vertical_Datum_1929"],PARAMETER["Vertical_Shift",0.0],PARAMETER["Direction",1.0],UNIT["US survey foot",0.304800609601219]]

Definition: PROJ.4

+proj=longlat +datum=NAD27 +vunits=us-ft +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:7406","+proj=longlat +datum=NAD27 +vunits=us-ft +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.4/projjson.schema.json",
    "type": "CompoundCRS",
    "name": "NAD27 + NGVD29 height (ftUS)",
    "components": [
        {
            "type": "GeographicCRS",
            "name": "NAD27",
            "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "North American Datum 1927",
                "ellipsoid": {
                    "name": "Clarke 1866",
                    "semi_major_axis": 6378206.4,
                    "inverse_flattening": 294.978698213898
                }
            },
            "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                    {
                        "name": "Geodetic latitude",
                        "abbreviation": "Lat",
                        "direction": "north",
                        "unit": "degree"
                    },
                    {
                        "name": "Geodetic longitude",
                        "abbreviation": "Lon",
                        "direction": "east",
                        "unit": "degree"
                    }
                ]
            }
        },
        {
            "type": "VerticalCRS",
            "name": "NGVD29 height (ftUS)",
            "datum": {
                "type": "VerticalReferenceFrame",
                "name": "National Geodetic Vertical Datum 1929"
            },
            "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                    {
                        "name": "Gravity-related height",
                        "abbreviation": "H",
                        "direction": "up",
                        "unit": {
                            "type": "LinearUnit",
                            "name": "US survey foot",
                            "conversion_factor": 0.304800609601219
                        }
                    }
                ]
            }
        }
    ],
    "scope": "Engineering survey, topographic mapping.",
    "area": "United States (USA) - CONUS onshore - Alabama; Arizona; Arkansas; California; Colorado; Connecticut; Delaware; Florida; Georgia; Idaho; Illinois; Indiana; Iowa; Kansas; Kentucky; Louisiana; Maine; Maryland; Massachusetts; Michigan; Minnesota; Mississippi; Missouri; Montana; Nebraska; Nevada; New Hampshire; New Jersey; New Mexico; New York; North Carolina; North Dakota; Ohio; Oklahoma; Oregon; Pennsylvania; Rhode Island; South Carolina; South Dakota; Tennessee; Texas; Utah; Vermont; Virginia; Washington; West Virginia; Wisconsin; Wyoming.",
    "bbox": {
        "south_latitude": 24.41,
        "west_longitude": -124.79,
        "north_latitude": 49.38,
        "east_longitude": -66.91
    },
    "id": {
        "authority": "EPSG",
        "code": 7406
    }
}

Definition: GeoServer

7406=COMPD_CS["NAD27 + NGVD29 height (ftUS)",GEOGCS["NAD27",DATUM["North_American_Datum_1927",SPHEROID["Clarke 1866",6378206.4,294.978698213898]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433]],VERT_CS["NGVD29 height (ftUS)",VERT_DATUM["National Geodetic Vertical Datum 1929",2005],UNIT["US survey foot",0.304800609601219],AXIS["Gravity-related height",UP]],AUTHORITY["EPSG","7406"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"datum=NAD27"
	"vunits=us-ft"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +datum=NAD27 +vunits=us-ft +no_defs +type=crs">
	<Layer srs="+proj=longlat +datum=NAD27 +vunits=us-ft +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 7406, 'EPSG', 7406, '+proj=longlat +datum=NAD27 +vunits=us-ft +no_defs +type=crs', 'COMPD_CS["NAD27 + NGVD29 height (ftUS)",GEOGCS["NAD27",DATUM["North_American_Datum_1927",SPHEROID["Clarke 1866",6378206.4,294.978698213898]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433]],VERT_CS["NGVD29 height (ftUS)",VERT_DATUM["National Geodetic Vertical Datum 1929",2005],UNIT["US survey foot",0.304800609601219],AXIS["Gravity-related height",UP]],AUTHORITY["EPSG","7406"]]');

Definition: OGC WKT

COMPD_CS["NAD27 + NGVD29 height (ftUS)",GEOGCS["NAD27",DATUM["North_American_Datum_1927",SPHEROID["Clarke 1866",6378206.4,294.978698213898]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433]],VERT_CS["NGVD29 height (ftUS)",VERT_DATUM["National Geodetic Vertical Datum 1929",2005],UNIT["US survey foot",0.304800609601219],AXIS["Gravity-related height",UP]],AUTHORITY["EPSG","7406"]]

Definition: OGC WKT 2 (2019)

COMPOUNDCRS["NAD27 + NGVD29 height (ftUS)",GEOGCRS["NAD27",DATUM["North American Datum 1927",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]]],VERTCRS["NGVD29 height (ftUS)",VDATUM["National Geodetic Vertical Datum 1929"],CS[vertical,1],AXIS["gravity-related height (H)",up,LENGTHUNIT["US survey foot",0.304800609601219]]],USAGE[SCOPE["Engineering survey, topographic mapping."],AREA["United States (USA) - CONUS onshore - Alabama; Arizona; Arkansas; California; Colorado; Connecticut; Delaware; Florida; Georgia; Idaho; Illinois; Indiana; Iowa; Kansas; Kentucky; Louisiana; Maine; Maryland; Massachusetts; Michigan; Minnesota; Mississippi; Missouri; Montana; Nebraska; Nevada; New Hampshire; New Jersey; New Mexico; New York; North Carolina; North Dakota; Ohio; Oklahoma; Oregon; Pennsylvania; Rhode Island; South Carolina; South Dakota; Tennessee; Texas; Utah; Vermont; Virginia; Washington; West Virginia; Wisconsin; Wyoming."],BBOX[24.41,-124.79,49.38,-66.91]],ID["EPSG",7406]]

EPSG:7406

NAD27 + NGVD29 height (ftUS)

Attributes

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