EPSG:29101 - SAD69 / Brazil Polyconic

Attributes

Unit

metre

Scope

Topographic mapping (small scale).

Remarks

None

Area of use

Brazil - onshore and offshore. Includes Rocas, Fernando de Noronha archipelago, Trindade, Ihlas Martim Vaz and Sao Pedro e Sao Paulo.

Data Source: EPSG v11.022 2024-11-05

Datum: South American Datum 1969

Coordinate System: cartesian

Projection: Brazil Polyconic

Geodetic CRS: SAD69

Export

PROJCRS["SAD69 / Brazil Polyconic",
    BASEGEOGCRS["SAD69",
        DATUM["South American Datum 1969",
            ELLIPSOID["GRS 1967 Modified",6378160,298.25,
                LENGTHUNIT["metre",1]]],
        PRIMEM["Greenwich",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["EPSG",4618]],
    CONVERSION["Brazil Polyconic",
        METHOD["American Polyconic",
            ID["EPSG",9818]],
        PARAMETER["Latitude of natural origin",0,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8801]],
        PARAMETER["Longitude of natural origin",-54,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8802]],
        PARAMETER["False easting",5000000,
            LENGTHUNIT["metre",1],
            ID["EPSG",8806]],
        PARAMETER["False northing",10000000,
            LENGTHUNIT["metre",1],
            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["Topographic mapping (small scale)."],
        AREA["Brazil - onshore and offshore. Includes Rocas, Fernando de Noronha archipelago, Trindade, Ihlas Martim Vaz and Sao Pedro e Sao Paulo."],
        BBOX[-35.71,-74.01,7.04,-25.28]],
    ID["EPSG",29101]]
{
  "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
  "type": "ProjectedCRS",
  "name": "SAD69 / Brazil Polyconic",
  "base_crs": {
    "name": "SAD69",
    "datum": {
      "type": "GeodeticReferenceFrame",
      "name": "South American Datum 1969",
      "ellipsoid": {
        "name": "GRS 1967 Modified",
        "semi_major_axis": 6378160,
        "inverse_flattening": 298.25
      }
    },
    "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": 4618
    }
  },
  "conversion": {
    "name": "Brazil Polyconic",
    "method": {
      "name": "American Polyconic",
      "id": {
        "authority": "EPSG",
        "code": 9818
      }
    },
    "parameters": [
      {
        "name": "Latitude of natural origin",
        "value": 0,
        "unit": "degree",
        "id": {
          "authority": "EPSG",
          "code": 8801
        }
      },
      {
        "name": "Longitude of natural origin",
        "value": -54,
        "unit": "degree",
        "id": {
          "authority": "EPSG",
          "code": 8802
        }
      },
      {
        "name": "False easting",
        "value": 5000000,
        "unit": "metre",
        "id": {
          "authority": "EPSG",
          "code": 8806
        }
      },
      {
        "name": "False northing",
        "value": 10000000,
        "unit": "metre",
        "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"
      }
    ]
  },
  "scope": "Topographic mapping (small scale).",
  "area": "Brazil - onshore and offshore. Includes Rocas, Fernando de Noronha archipelago, Trindade, Ihlas Martim Vaz and Sao Pedro e Sao Paulo.",
  "bbox": {
    "south_latitude": -35.71,
    "west_longitude": -74.01,
    "north_latitude": 7.04,
    "east_longitude": -25.28
  },
  "id": {
    "authority": "EPSG",
    "code": 29101
  }
}
{'crs_wkt': 'PROJCRS["SAD69 / Brazil '
            'Polyconic",BASEGEOGCRS["SAD69",DATUM["South American Datum '
            '1969",ELLIPSOID["GRS 1967 '
            'Modified",6378160,298.25,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4618]],CONVERSION["Brazil '
            'Polyconic",METHOD["American '
            'Polyconic",ID["EPSG",9818]],PARAMETER["Latitude of natural '
            'origin",0,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8801]],PARAMETER["Longitude '
            'of natural '
            'origin",-54,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8802]],PARAMETER["False '
            'easting",5000000,LENGTHUNIT["metre",1],ID["EPSG",8806]],PARAMETER["False '
            'northing",10000000,LENGTHUNIT["metre",1],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["Topographic '
            'mapping (small scale)."],AREA["Brazil - onshore and offshore. '
            'Includes Rocas, Fernando de Noronha archipelago, Trindade, Ihlas '
            'Martim Vaz and Sao Pedro e Sao '
            'Paulo."],BBOX[-35.71,-74.01,7.04,-25.28]],ID["EPSG",29101]]'}