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Method: NADCON5 (3D)
Grid Files: nadcon5.nad83_2007.nad83_2011.conus.lat.trn.20160901.b nadcon5.nad83_2007.nad83_2011.conus.lon.trn.20160901.b
Remarks: Uses NADCON5 method which expects longitudes positive east in range 0-360°; EPSG source and target CRSs have longitudes positive east in range -180° to +180°.
Information source: National Geodetic Survey, www.ngs.noaa.gov
Revision date: 2019-09-17
Unit: metre
Geodetic CRS: NAD83(NSRS2007)
Datum: NAD83 (National Spatial Reference System 2007)
Ellipsoid: GRS 1980
Prime meridian: Greenwich
Data source: EPSG
Information source: U.S. National Geodetic Survey, http://www.ngs.noaa.gov/
Revision date: 2008-02-08
Scope: Engineering survey, topographic mapping.
Remarks: State law defines use of US survey feet. Federal definition is metric - see code 3558. Replaces NAD83(HARN) / SPCS.
Coordinate system: Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: m.
&stroke=red&width=2&path=23.82,-124.79|49.38,-124.79|49.38,-66.91|23.82,-66.91|23.82,-124.79)
Center coordinates
-1418748.78 -369691.28
Projected bounds:
-5155117.66 -432360.18
-2878420.16 2313492.56
WGS84 bounds:
-124.79 23.82
-66.91 49.38
Definition: OGC Well Known Text 2 (2019)
BOUNDCRS[ SOURCECRS[ PROJCRS["NAD83(NSRS2007) / Maine West (ftUS)", BASEGEOGCRS["NAD83(NSRS2007)", DATUM["NAD83 (National Spatial Reference System 2007)", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4759]], CONVERSION["SPCS83 Maine West zone (US survey foot)", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",42.8333333333333, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",-70.1666666666667, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",0.999966667, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",2952750, 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["metre",1]], AXIS["northing (Y)",north, ORDER[2], LENGTHUNIT["metre",1]], USAGE[ SCOPE["Engineering survey, topographic mapping."], AREA["United States (USA) - Maine - counties of Androscoggin; Cumberland; Franklin; Kennebec; Lincoln; Oxford; Sagadahoc; Somerset; York."], BBOX[43.04,-71.09,46.58,-69.26]], ID["EPSG",26837]]], TARGETCRS[ GEOGCRS["NAD83(2011)", DATUM["NAD83 (National Spatial Reference System 2011)", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[ellipsoidal,2], AXIS["geodetic latitude (Lat)",north, ORDER[1], ANGLEUNIT["degree",0.0174532925199433]], AXIS["geodetic longitude (Lon)",east, ORDER[2], ANGLEUNIT["degree",0.0174532925199433]], USAGE[ SCOPE["Horizontal component of 3D system."], AREA["Puerto Rico - onshore and offshore. United States (USA) onshore and offshore - Alabama; Alaska; Arizona; Arkansas; California; Colorado; Connecticut; Delaware; Florida; Georgia; Idaho; Illinois; Indiana; Iowa; Kansas; Kentucky; Louisiana; Maine; Maryland; Massachusetts; Michigan; Minnesota; Mississippi; Missouri; Montana; Nebraska; Nevada; New Hampshire; New Jersey; New Mexico; New York; North Carolina; North Dakota; Ohio; Oklahoma; Oregon; Pennsylvania; Rhode Island; South Carolina; South Dakota; Tennessee; Texas; Utah; Vermont; Virginia; Washington; West Virginia; Wisconsin; Wyoming. US Virgin Islands - onshore and offshore."], BBOX[14.92,167.65,74.71,-63.88]], ID["EPSG",6318]]], ABRIDGEDTRANSFORMATION["NAD83(NSRS2007) to NAD83(2011) (1)", METHOD["NADCON5 (3D)", ID["EPSG",1075]], PARAMETERFILE["Latitude difference file","nadcon5.nad83_2007.nad83_2011.conus.lat.trn.20160901.b"], PARAMETERFILE["Longitude difference file","nadcon5.nad83_2007.nad83_2011.conus.lon.trn.20160901.b"], USAGE[ SCOPE["Geodesy."], AREA["United States (USA) - CONUS onshore - Alabama; Arizona; Arkansas; California; Colorado; Connecticut; Delaware; Florida; Georgia; Idaho; Illinois; Indiana; Iowa; Kansas; Kentucky; Louisiana; Maine; Maryland; Massachusetts; Michigan; Minnesota; Mississippi; Missouri; Montana; Nebraska; Nevada; New Hampshire; New Jersey; New Mexico; New York; North Carolina; North Dakota; Ohio; Oklahoma; Oregon; Pennsylvania; Rhode Island; South Carolina; South Dakota; Tennessee; Texas; Utah; Vermont; Virginia; Washington; West Virginia; Wisconsin; Wyoming. US Gulf of Mexico offshore continental shelf (GoM OCS)."], BBOX[23.82,-124.79,49.38,-66.91]], ID["EPSG",8559], REMARK["Uses NADCON5 method which expects longitudes positive east in range 0-360°; EPSG source and target CRSs have longitudes positive east in range -180° to +180°."]]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "BoundCRS", "source_crs": { "type": "ProjectedCRS", "name": "NAD83(NSRS2007) / Maine West (ftUS)", "base_crs": { "name": "NAD83(NSRS2007)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System 2007)", "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": 4759 } }, "conversion": { "name": "SPCS83 Maine West zone (US survey foot)", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 42.8333333333333, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": -70.1666666666667, "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": 2952750, "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": "metre" }, { "name": "Northing", "abbreviation": "Y", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 26837 } }, "target_crs": { "type": "GeographicCRS", "name": "NAD83(2011)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System 2011)", "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": 6318 } }, "transformation": { "name": "NAD83(NSRS2007) to NAD83(2011) (1)", "method": { "name": "NADCON5 (3D)", "id": { "authority": "EPSG", "code": 1075 } }, "parameters": [ { "name": "Latitude difference file", "value": "nadcon5.nad83_2007.nad83_2011.conus.lat.trn.20160901.b", "id": { "authority": "EPSG", "code": 8657 } }, { "name": "Longitude difference file", "value": "nadcon5.nad83_2007.nad83_2011.conus.lon.trn.20160901.b", "id": { "authority": "EPSG", "code": 8658 } } ], "id": { "authority": "EPSG", "code": 8559 } } }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=tmerc +lat_0=42.8333333333333 +lon_0=-70.1666666666667 +k=0.999966667 +x_0=900000 +y_0=0 +ellps=GRS80 +units=m +no_defs +type=crs"> <Layer srs="+proj=tmerc +lat_0=42.8333333333333 +lon_0=-70.1666666666667 +k=0.999966667 +x_0=900000 +y_0=0 +ellps=GRS80 +units=m +no_defs +type=crs"> </Layer> </Map>
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