US survey foot
Engineering survey, topographic mapping.
None
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.
Data Source: EPSG v11.016 2024-08-31
Datum: North American Datum 1983
Coordinate System: Undefined
Projection: Undefined
Geodetic CRS: Undefined
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]]
{
"$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": {
"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
}
}
]
}
},
{
"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
}
}
{'crs_wkt': 'COMPOUNDCRS["NAD83 / Texas Central (ftUS) + NAVD88 height '
'(ftUS)",PROJCRS["NAD83 / Texas Central '
'(ftUS)",BASEGEOGCRS["NAD83",DATUM["North American Datum '
'1983",ELLIPSOID["GRS '
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'origin",-100.333333333333,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8822]],PARAMETER["Latitude '
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'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; '
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'false_easting': 2296583.333,
'false_northing': 9842500.0,
'geographic_crs_name': 'NAD83',
'geopotential_datum_name': 'North American Vertical Datum 1988',
'grid_mapping_name': 'lambert_conformal_conic',
'horizontal_datum_name': 'North American Datum 1983',
'inverse_flattening': 298.257222101,
'latitude_of_projection_origin': 29.6666666666667,
'longitude_of_central_meridian': -100.333333333333,
'longitude_of_prime_meridian': 0.0,
'prime_meridian_name': 'Greenwich',
'projected_crs_name': 'NAD83 / Texas Central (ftUS)',
'reference_ellipsoid_name': 'GRS 1980',
'semi_major_axis': 6378137.0,
'semi_minor_axis': 6356752.314140356,
'standard_parallel': (31.8833333333333, 30.1166666666667)}