EPSG
USGS Professional Paper #1395
2000-03-07
Engineering survey, topographic mapping.
(0,)
Definition: OGC Well Known Text
PROJECTION["Transverse_Mercator"], PARAMETER["latitude_of_origin",42.5], PARAMETER["central_meridian",-71.6666666666667], PARAMETER["scale_factor",0.999966667], PARAMETER["false_easting",152400.30480061], PARAMETER["false_northing",0]
Definition: OGC Well Known Text 2 (2019)
CONVERSION["New Hampshire CS27", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",42.5, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",-71.6666666666667, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",0.999966667, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",500000, LENGTHUNIT["US survey foot",0.304800609601219], ID["EPSG",8806]], PARAMETER["False northing",0, LENGTHUNIT["US survey foot",0.304800609601219], ID["EPSG",8807]], ID["EPSG",12800]]
Definition: ESRI Well Known Text
PROJECTION["Transverse_Mercator"], PARAMETER["False_Easting",152400.30480061], PARAMETER["False_Northing",0.0], PARAMETER["Central_Meridian",-71.6666666666667], PARAMETER["Scale_Factor",0.999966667], PARAMETER["Latitude_Of_Origin",42.5]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Conversion", "name": "New Hampshire CS27", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 42.5, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": -71.6666666666667, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.999966667, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "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 } } ], "id": { "authority": "EPSG", "code": 12800 } }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=tmerc +lat_0=42.5 +lon_0=-71.6666666666667 +k=0.999966667 +x_0=152400.30480061 +y_0=0"> <Layer srs="+proj=tmerc +lat_0=42.5 +lon_0=-71.6666666666667 +k=0.999966667 +x_0=152400.30480061 +y_0=0"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 12800, 'EPSG', 12800, '+proj=tmerc +lat_0=42.5 +lon_0=-71.6666666666667 +k=0.999966667 +x_0=152400.30480061 +y_0=0', 'PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",42.5],PARAMETER["central_meridian",-71.6666666666667],PARAMETER["scale_factor",0.999966667],PARAMETER["false_easting",152400.30480061],PARAMETER["false_northing",0]');