EPSG:8781

NAD83 / Texas Central (ftUS) + NAVD88 height (ftUS)

Attributes

Geodetic CRS: NAD83 / Texas Central (ftUS) + NAVD88 height (ftUS)

Data source: EPSG

Information source: IOGP

Revision date: 2018-05-13

Scope: Engineering survey, topographic mapping.

Area of use: United States (USA) - Texas - counties of Anderson; Angelina; Bastrop; Bell; Blanco; Bosque; Brazos; Brown; Burleson; Burnet; Cherokee; Coke; Coleman; Comanche; Concho; Coryell; Crane; Crockett; Culberson; Ector; El Paso; Falls; Freestone; Gillespie; Glasscock; Grimes; Hamilton; Hardin; Houston; Hudspeth; Irion; Jasper; Jeff Davis; Kimble; Lampasas; Lee; Leon; Liberty; Limestone; Llano; Loving; Madison; Mason; McCulloch; McLennan; Menard; Midland; Milam; Mills; Montgomery; Nacogdoches; Newton; Orange; Pecos; Polk; Reagan; Reeves; Robertson; Runnels; Sabine; San Augustine; San Jacinto; San Saba; Schleicher; Shelby; Sterling; Sutton; Tom Green; Travis; Trinity; Tyler; Upton; Walker; Ward; Washington; Williamson; Winkler.

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Center coordinates
2375932.22 10336612.39

Projected bounds:
290308.24 9883813.09
4463336.95 10854276.6

WGS84 bounds:
-106.66 29.78
-93.5 32.27

United States (USA) - Texas - counties of Anderson; Angelina; Bastrop; Bell; Blanco; Bosque; Brazos; Brown; Burleson; Burnet; Cherokee; Coke; Coleman; Comanche; Concho; Coryell; Crane; Crockett; Culberson; Ector; El Paso; Falls; Freestone; Gillespie; Glasscock; Grimes; Hamilton; Hardin; Houston; Hudspeth; Irion; Jasper; Jeff Davis; Kimble; Lampasas; Lee; Leon; Liberty; Limestone; Llano; Loving; Madison; Mason; McCulloch; McLennan; Menard; Midland; Milam; Mills; Montgomery; Nacogdoches; Newton; Orange; Pecos; Polk; Reagan; Reeves; Robertson; Runnels; Sabine; San Augustine; San Jacinto; San Saba; Schleicher; Shelby; Sterling; Sutton; Tom Green; Travis; Trinity; Tyler; Upton; Walker; Ward; Washington; Williamson; Winkler.
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Definition: OGC Well Known Text

COMPD_CS["NAD83 / Texas Central (ftUS) + NAVD88 height (ftUS)",
    PROJCS["NAD83 / Texas Central (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["Lambert_Conformal_Conic_2SP"],
        PARAMETER["latitude_of_origin",29.6666666666667],
        PARAMETER["central_meridian",-100.333333333333],
        PARAMETER["standard_parallel_1",31.8833333333333],
        PARAMETER["standard_parallel_2",30.1166666666667],
        PARAMETER["false_easting",2296583.333],
        PARAMETER["false_northing",9842500],
        UNIT["US survey foot",0.304800609601219,
            AUTHORITY["EPSG","9003"]],
        AXIS["Easting",EAST],
        AXIS["Northing",NORTH],
        AUTHORITY["EPSG","2277"]],
    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","8781"]]

Definition: OGC Well Known Text 2 (2019)

COMPOUNDCRS["NAD83 / Texas Central (ftUS) + NAVD88 height (ftUS)",
    PROJCRS["NAD83 / Texas Central (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 Texas Central zone (US survey foot)",
            METHOD["Lambert Conic Conformal (2SP)",
                ID["EPSG",9802]],
            PARAMETER["Latitude of false origin",29.6666666666667,
                ANGLEUNIT["degree",0.0174532925199433],
                ID["EPSG",8821]],
            PARAMETER["Longitude of false origin",-100.333333333333,
                ANGLEUNIT["degree",0.0174532925199433],
                ID["EPSG",8822]],
            PARAMETER["Latitude of 1st standard parallel",31.8833333333333,
                ANGLEUNIT["degree",0.0174532925199433],
                ID["EPSG",8823]],
            PARAMETER["Latitude of 2nd standard parallel",30.1166666666667,
                ANGLEUNIT["degree",0.0174532925199433],
                ID["EPSG",8824]],
            PARAMETER["Easting at false origin",2296583.333,
                LENGTHUNIT["US survey foot",0.304800609601219],
                ID["EPSG",8826]],
            PARAMETER["Northing at false origin",9842500,
                LENGTHUNIT["US survey foot",0.304800609601219],
                ID["EPSG",8827]]],
        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) - Texas - counties of Anderson; Angelina; Bastrop; Bell; Blanco; Bosque; Brazos; Brown; Burleson; Burnet; Cherokee; Coke; Coleman; Comanche; Concho; Coryell; Crane; Crockett; Culberson; Ector; El Paso; Falls; Freestone; Gillespie; Glasscock; Grimes; Hamilton; Hardin; Houston; Hudspeth; Irion; Jasper; Jeff Davis; Kimble; Lampasas; Lee; Leon; Liberty; Limestone; Llano; Loving; Madison; Mason; McCulloch; McLennan; Menard; Midland; Milam; Mills; Montgomery; Nacogdoches; Newton; Orange; Pecos; Polk; Reagan; Reeves; Robertson; Runnels; Sabine; San Augustine; San Jacinto; San Saba; Schleicher; Shelby; Sterling; Sutton; Tom Green; Travis; Trinity; Tyler; Upton; Walker; Ward; Washington; Williamson; Winkler."],
        BBOX[29.78,-106.66,32.27,-93.5]],
    ID["EPSG",8781]]

Definition: ESRI Well Known Text

PROJCS["NAD_1983_StatePlane_Texas_Central_FIPS_4203_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["Lambert_Conformal_Conic"],
    PARAMETER["False_Easting",2296583.333],
    PARAMETER["False_Northing",9842500.0],
    PARAMETER["Central_Meridian",-100.333333333333],
    PARAMETER["Standard_Parallel_1",31.8833333333333],
    PARAMETER["Standard_Parallel_2",30.1166666666667],
    PARAMETER["Latitude_Of_Origin",29.6666666666667],
    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=lcc +lat_0=29.6666666666667 +lon_0=-100.333333333333 +lat_1=31.8833333333333 +lat_2=30.1166666666667 +x_0=699999.9998984 +y_0=3000000 +datum=NAD83 +units=us-ft +vunits=us-ft +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:8781","+proj=lcc +lat_0=29.6666666666667 +lon_0=-100.333333333333 +lat_1=31.8833333333333 +lat_2=30.1166666666667 +x_0=699999.9998984 +y_0=3000000 +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 / Texas Central (ftUS) + NAVD88 height (ftUS)",
    "components": [
        {
            "type": "ProjectedCRS",
            "name": "NAD83 / Texas Central (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 Texas Central zone (US survey foot)",
                "method": {
                    "name": "Lambert Conic Conformal (2SP)",
                    "id": {
                        "authority": "EPSG",
                        "code": 9802
                    }
                },
                "parameters": [
                    {
                        "name": "Latitude of false origin",
                        "value": 29.6666666666667,
                        "unit": "degree",
                        "id": {
                            "authority": "EPSG",
                            "code": 8821
                        }
                    },
                    {
                        "name": "Longitude of false origin",
                        "value": -100.333333333333,
                        "unit": "degree",
                        "id": {
                            "authority": "EPSG",
                            "code": 8822
                        }
                    },
                    {
                        "name": "Latitude of 1st standard parallel",
                        "value": 31.8833333333333,
                        "unit": "degree",
                        "id": {
                            "authority": "EPSG",
                            "code": 8823
                        }
                    },
                    {
                        "name": "Latitude of 2nd standard parallel",
                        "value": 30.1166666666667,
                        "unit": "degree",
                        "id": {
                            "authority": "EPSG",
                            "code": 8824
                        }
                    },
                    {
                        "name": "Easting at false origin",
                        "value": 2296583.333,
                        "unit": {
                            "type": "LinearUnit",
                            "name": "US survey foot",
                            "conversion_factor": 0.304800609601219
                        },
                        "id": {
                            "authority": "EPSG",
                            "code": 8826
                        }
                    },
                    {
                        "name": "Northing at false origin",
                        "value": 9842500,
                        "unit": {
                            "type": "LinearUnit",
                            "name": "US survey foot",
                            "conversion_factor": 0.304800609601219
                        },
                        "id": {
                            "authority": "EPSG",
                            "code": 8827
                        }
                    }
                ]
            },
            "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) - Texas - counties of Anderson; Angelina; Bastrop; Bell; Blanco; Bosque; Brazos; Brown; Burleson; Burnet; Cherokee; Coke; Coleman; Comanche; Concho; Coryell; Crane; Crockett; Culberson; Ector; El Paso; Falls; Freestone; Gillespie; Glasscock; Grimes; Hamilton; Hardin; Houston; Hudspeth; Irion; Jasper; Jeff Davis; Kimble; Lampasas; Lee; Leon; Liberty; Limestone; Llano; Loving; Madison; Mason; McCulloch; McLennan; Menard; Midland; Milam; Mills; Montgomery; Nacogdoches; Newton; Orange; Pecos; Polk; Reagan; Reeves; Robertson; Runnels; Sabine; San Augustine; San Jacinto; San Saba; Schleicher; Shelby; Sterling; Sutton; Tom Green; Travis; Trinity; Tyler; Upton; Walker; Ward; Washington; Williamson; Winkler.",
    "bbox": {
        "south_latitude": 29.78,
        "west_longitude": -106.66,
        "north_latitude": 32.27,
        "east_longitude": -93.5
    },
    "id": {
        "authority": "EPSG",
        "code": 8781
    }
}

Definition: GeoServer

8781=COMPD_CS["NAD83 / Texas Central (ftUS) + NAVD88 height (ftUS)",PROJCS["NAD83 / Texas Central (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["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",29.6666666666667],PARAMETER["central_meridian",-100.333333333333],PARAMETER["standard_parallel_1",31.8833333333333],PARAMETER["standard_parallel_2",30.1166666666667],PARAMETER["false_easting",2296583.333],PARAMETER["false_northing",9842500],UNIT["US survey foot",0.304800609601219,AUTHORITY["EPSG","9003"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","2277"]],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","8781"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=lcc"
	"lat_0=29.6666666666667"
	"lon_0=-100.333333333333"
	"lat_1=31.8833333333333"
	"lat_2=30.1166666666667"
	"x_0=699999.9998984"
	"y_0=3000000"
	"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=lcc +lat_0=29.6666666666667 +lon_0=-100.333333333333 +lat_1=31.8833333333333 +lat_2=30.1166666666667 +x_0=699999.9998984 +y_0=3000000 +datum=NAD83 +units=us-ft +vunits=us-ft +no_defs +type=crs">
	<Layer srs="+proj=lcc +lat_0=29.6666666666667 +lon_0=-100.333333333333 +lat_1=31.8833333333333 +lat_2=30.1166666666667 +x_0=699999.9998984 +y_0=3000000 +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 ( 8781, 'EPSG', 8781, '+proj=lcc +lat_0=29.6666666666667 +lon_0=-100.333333333333 +lat_1=31.8833333333333 +lat_2=30.1166666666667 +x_0=699999.9998984 +y_0=3000000 +datum=NAD83 +units=us-ft +vunits=us-ft +no_defs +type=crs', 'COMPD_CS["NAD83 / Texas Central (ftUS) + NAVD88 height (ftUS)",PROJCS["NAD83 / Texas Central (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["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",29.6666666666667],PARAMETER["central_meridian",-100.333333333333],PARAMETER["standard_parallel_1",31.8833333333333],PARAMETER["standard_parallel_2",30.1166666666667],PARAMETER["false_easting",2296583.333],PARAMETER["false_northing",9842500],UNIT["US survey foot",0.304800609601219,AUTHORITY["EPSG","9003"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","2277"]],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","8781"]]');