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Method: Geocentric translations (geog2D domain)
Remarks: Derived at 354 stations. Accuracy 2m in each axis.
Information source: U.S. Defense Mapping Agency TR8350.2 revision of August 1993.
Revision date: 2020-03-14
Unit: US survey foot
Geodetic CRS: NAD83
Datum: North American Datum 1983
Ellipsoid: GRS 1980
Prime meridian: Greenwich
Data source: EPSG
Information source: National Geodetic Survey http://www.ngs.noaa.gov/INFO/Policy/st_plane.html
Revision date: 2001-11-06
Scope: Engineering survey, topographic mapping.
Remarks: State law defines system in US survey feet. Federal definition is metric - see code 32139. For applications with an accuracy of better than 3 feet, replaced by NAD83(HARN) / SPCS.
Coordinate system: Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: ftUS.
&stroke=red&width=2&path=23.81,-172.54|86.46,-172.54|86.46,-47.74|23.81,-47.74|23.81,-172.54)
Center coordinates
28447.52 19517164.57
Projected bounds:
-20354006.79 7710658.23
19360089.92 38957883.58
WGS84 bounds:
-172.54 23.81
-47.74 86.46
Definition: OGC Well Known Text
PROJCS["NAD83 / Texas Central (ftUS)", GEOGCS["NAD83", DATUM["North_American_Datum_1983", SPHEROID["GRS 1980",6378137,298.257222101], TOWGS84[0,0,0,0,0,0,0]], 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], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","2277"]]
Definition: OGC Well Known Text 2 (2019)
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]], 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",2277]]
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]]
Definition: JavaScript (Proj4js)
proj4.defs("EPSG:2277","+proj=lcc +lat_0=29.6666666666667 +lon_0=-100.333333333333 +lat_1=31.8833333333333 +lat_2=30.1166666666667 +x_0=699999.999898399 +y_0=3000000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=us-ft +no_defs +type=crs");
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "ProjectedCRS", "name": "NAD83 / Texas Central (ftUS)", "base_crs": { "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 } }, "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 } } ] }, "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": 2277 } }
Definition: GeoServer
2277=PROJCS["NAD83 / Texas Central (ftUS)",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],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],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","2277"]]
Definition: MapServer - MAPfile
PROJECTION "proj=lcc" "lat_0=29.6666666666667" "lon_0=-100.333333333333" "lat_1=31.8833333333333" "lat_2=30.1166666666667" "x_0=699999.999898399" "y_0=3000000" "ellps=GRS80" "towgs84=0,0,0,0,0,0,0" "units=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=699999.999898399 +y_0=3000000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=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=699999.999898399 +y_0=3000000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=us-ft +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 2277, 'EPSG', 2277, '+proj=lcc +lat_0=29.6666666666667 +lon_0=-100.333333333333 +lat_1=31.8833333333333 +lat_2=30.1166666666667 +x_0=699999.999898399 +y_0=3000000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=us-ft +no_defs +type=crs', 'PROJCS["NAD83 / Texas Central (ftUS)",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],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],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","2277"]]');
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