EPSG:8775

NAD83 / Rhode Island (ftUS) + NAVD88 height (ftUS)

Attributes

Geodetic CRS: NAD83 / Rhode Island (ftUS) + NAVD88 height (ftUS)

Data source: EPSG

Information source: IOGP

Revision date: 2018-05-13

Center coordinates
337660.1 179149.34

Projected bounds:
231661.83 17003.34
443788.7 341584.35

WGS84 bounds:
-71.85 41.13
-71.08 42.02

United States (USA) - Rhode Island - counties of Bristol; Kent; Newport; Providence; Washington.
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Definition: OGC Well Known Text

COMPD_CS["NAD83 / Rhode Island (ftUS) + NAVD88 height (ftUS)",
    PROJCS["NAD83 / Rhode Island (ftUS)",
        GEOGCS["NAD83",
            DATUM["North_American_Datum_1983",
                SPHEROID["GRS 1980",6378137,298.257222101,
                    AUTHORITY["EPSG","7019"]],
                AUTHORITY["EPSG","6269"]],
            PRIMEM["Greenwich",0,
                AUTHORITY["EPSG","8901"]],
            UNIT["degree",0.0174532925199433,
                AUTHORITY["EPSG","9122"]],
            AUTHORITY["EPSG","4269"]],
        PROJECTION["Transverse_Mercator"],
        PARAMETER["latitude_of_origin",41.0833333333333],
        PARAMETER["central_meridian",-71.5],
        PARAMETER["scale_factor",0.99999375],
        PARAMETER["false_easting",328083.3333],
        PARAMETER["false_northing",0],
        UNIT["US survey foot",0.304800609601219,
            AUTHORITY["EPSG","9003"]],
        AXIS["Easting",EAST],
        AXIS["Northing",NORTH],
        AUTHORITY["EPSG","3438"]],
    VERT_CS["NAVD88 height (ftUS)",
        VERT_DATUM["North American Vertical Datum 1988",2005,
            AUTHORITY["EPSG","5103"]],
        UNIT["US survey foot",0.304800609601219,
            AUTHORITY["EPSG","9003"]],
        AXIS["Gravity-related height",UP],
        AUTHORITY["EPSG","6360"]],
    AUTHORITY["EPSG","8775"]]

Definition: OGC Well Known Text 2 (2019)

COMPOUNDCRS["NAD83 / Rhode Island (ftUS) + NAVD88 height (ftUS)",
    PROJCRS["NAD83 / Rhode Island (ftUS)",
        BASEGEOGCRS["NAD83",
            DATUM["North American Datum 1983",
                ELLIPSOID["GRS 1980",6378137,298.257222101,
                    LENGTHUNIT["metre",1]]],
            PRIMEM["Greenwich",0,
                ANGLEUNIT["degree",0.0174532925199433]],
            ID["EPSG",4269]],
        CONVERSION["SPCS83 Rhode Island zone (US survey foot)",
            METHOD["Transverse Mercator",
                ID["EPSG",9807]],
            PARAMETER["Latitude of natural origin",41.0833333333333,
                ANGLEUNIT["degree",0.0174532925199433],
                ID["EPSG",8801]],
            PARAMETER["Longitude of natural origin",-71.5,
                ANGLEUNIT["degree",0.0174532925199433],
                ID["EPSG",8802]],
            PARAMETER["Scale factor at natural origin",0.99999375,
                SCALEUNIT["unity",1],
                ID["EPSG",8805]],
            PARAMETER["False easting",328083.3333,
                LENGTHUNIT["US survey foot",0.304800609601219],
                ID["EPSG",8806]],
            PARAMETER["False northing",0,
                LENGTHUNIT["US survey foot",0.304800609601219],
                ID["EPSG",8807]]],
        CS[Cartesian,2],
            AXIS["easting (X)",east,
                ORDER[1],
                LENGTHUNIT["US survey foot",0.304800609601219]],
            AXIS["northing (Y)",north,
                ORDER[2],
                LENGTHUNIT["US survey foot",0.304800609601219]]],
    VERTCRS["NAVD88 height (ftUS)",
        VDATUM["North American Vertical Datum 1988"],
        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) - Rhode Island - counties of Bristol; Kent; Newport; Providence; Washington."],
        BBOX[41.13,-71.85,42.02,-71.08]],
    ID["EPSG",8775]]

Definition: ESRI Well Known Text

PROJCS["NAD_1983_StatePlane_Rhode_Island_FIPS_3800_Feet",
    GEOGCS["GCS_North_American_1983",
        DATUM["D_North_American_1983",
            SPHEROID["GRS_1980",6378137.0,298.257222101]],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["False_Easting",328083.3333],
    PARAMETER["False_Northing",0.0],
    PARAMETER["Central_Meridian",-71.5],
    PARAMETER["Scale_Factor",0.99999375],
    PARAMETER["Latitude_Of_Origin",41.0833333333333],
    UNIT["US survey foot",0.304800609601219]],
VERTCS["NAVD88_height_(ftUS)",
    VDATUM["North_American_Vertical_Datum_1988"],
    PARAMETER["Vertical_Shift",0.0],
    PARAMETER["Direction",1.0],
    UNIT["US survey foot",0.304800609601219]]

Definition: PROJ.4

+proj=tmerc +lat_0=41.0833333333333 +lon_0=-71.5 +k=0.99999375 +x_0=99999.99998984 +y_0=0 +datum=NAD83 +units=us-ft +vunits=us-ft +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:8775","+proj=tmerc +lat_0=41.0833333333333 +lon_0=-71.5 +k=0.99999375 +x_0=99999.99998984 +y_0=0 +datum=NAD83 +units=us-ft +vunits=us-ft +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "CompoundCRS",
    "name": "NAD83 / Rhode Island (ftUS) + NAVD88 height (ftUS)",
    "components": [
        {
            "type": "ProjectedCRS",
            "name": "NAD83 / Rhode Island (ftUS)",
            "base_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."
            },
            "conversion": {
                "name": "SPCS83 Rhode Island zone (US survey foot)",
                "method": {
                    "name": "Transverse Mercator",
                    "id": {
                        "authority": "EPSG",
                        "code": 9807
                    }
                },
                "parameters": [
                    {
                        "name": "Latitude of natural origin",
                        "value": 41.0833333333333,
                        "unit": "degree",
                        "id": {
                            "authority": "EPSG",
                            "code": 8801
                        }
                    },
                    {
                        "name": "Longitude of natural origin",
                        "value": -71.5,
                        "unit": "degree",
                        "id": {
                            "authority": "EPSG",
                            "code": 8802
                        }
                    },
                    {
                        "name": "Scale factor at natural origin",
                        "value": 0.99999375,
                        "unit": "unity",
                        "id": {
                            "authority": "EPSG",
                            "code": 8805
                        }
                    },
                    {
                        "name": "False easting",
                        "value": 328083.3333,
                        "unit": {
                            "type": "LinearUnit",
                            "name": "US survey foot",
                            "conversion_factor": 0.304800609601219
                        },
                        "id": {
                            "authority": "EPSG",
                            "code": 8806
                        }
                    },
                    {
                        "name": "False northing",
                        "value": 0,
                        "unit": {
                            "type": "LinearUnit",
                            "name": "US survey foot",
                            "conversion_factor": 0.304800609601219
                        },
                        "id": {
                            "authority": "EPSG",
                            "code": 8807
                        }
                    }
                ]
            },
            "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                    {
                        "name": "Easting",
                        "abbreviation": "X",
                        "direction": "east",
                        "unit": {
                            "type": "LinearUnit",
                            "name": "US survey foot",
                            "conversion_factor": 0.304800609601219
                        }
                    },
                    {
                        "name": "Northing",
                        "abbreviation": "Y",
                        "direction": "north",
                        "unit": {
                            "type": "LinearUnit",
                            "name": "US survey foot",
                            "conversion_factor": 0.304800609601219
                        }
                    }
                ]
            }
        },
        {
            "type": "VerticalCRS",
            "name": "NAVD88 height (ftUS)",
            "datum": {
                "type": "VerticalReferenceFrame",
                "name": "North American Vertical Datum 1988"
            },
            "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) - Rhode Island - counties of Bristol; Kent; Newport; Providence; Washington.",
    "bbox": {
        "south_latitude": 41.13,
        "west_longitude": -71.85,
        "north_latitude": 42.02,
        "east_longitude": -71.08
    },
    "id": {
        "authority": "EPSG",
        "code": 8775
    }
}

Definition: GeoServer

8775=COMPD_CS["NAD83 / Rhode Island (ftUS) + NAVD88 height (ftUS)",PROJCS["NAD83 / Rhode Island (ftUS)",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6269"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4269"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",41.0833333333333],PARAMETER["central_meridian",-71.5],PARAMETER["scale_factor",0.99999375],PARAMETER["false_easting",328083.3333],PARAMETER["false_northing",0],UNIT["US survey foot",0.304800609601219,AUTHORITY["EPSG","9003"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3438"]],VERT_CS["NAVD88 height (ftUS)",VERT_DATUM["North American Vertical Datum 1988",2005,AUTHORITY["EPSG","5103"]],UNIT["US survey foot",0.304800609601219,AUTHORITY["EPSG","9003"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","6360"]],AUTHORITY["EPSG","8775"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=tmerc"
	"lat_0=41.0833333333333"
	"lon_0=-71.5"
	"k=0.99999375"
	"x_0=99999.99998984"
	"y_0=0"
	"datum=NAD83"
	"units=us-ft"
	"vunits=us-ft"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=tmerc +lat_0=41.0833333333333 +lon_0=-71.5 +k=0.99999375 +x_0=99999.99998984 +y_0=0 +datum=NAD83 +units=us-ft +vunits=us-ft +no_defs +type=crs">
	<Layer srs="+proj=tmerc +lat_0=41.0833333333333 +lon_0=-71.5 +k=0.99999375 +x_0=99999.99998984 +y_0=0 +datum=NAD83 +units=us-ft +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 ( 8775, 'EPSG', 8775, '+proj=tmerc +lat_0=41.0833333333333 +lon_0=-71.5 +k=0.99999375 +x_0=99999.99998984 +y_0=0 +datum=NAD83 +units=us-ft +vunits=us-ft +no_defs +type=crs', 'COMPD_CS["NAD83 / Rhode Island (ftUS) + NAVD88 height (ftUS)",PROJCS["NAD83 / Rhode Island (ftUS)",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6269"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4269"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",41.0833333333333],PARAMETER["central_meridian",-71.5],PARAMETER["scale_factor",0.99999375],PARAMETER["false_easting",328083.3333],PARAMETER["false_northing",0],UNIT["US survey foot",0.304800609601219,AUTHORITY["EPSG","9003"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3438"]],VERT_CS["NAVD88 height (ftUS)",VERT_DATUM["North American Vertical Datum 1988",2005,AUTHORITY["EPSG","5103"]],UNIT["US survey foot",0.304800609601219,AUTHORITY["EPSG","9003"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","6360"]],AUTHORITY["EPSG","8775"]]');