EPSG:3167 - Kertau (RSO) / RSO Malaya (ch)

Attributes

Unit

British chain (Sears 1922 truncated)

Scope

Engineering survey, topographic mapping.

Remarks

None

Area of use

Malaysia - West Malaysia onshore.

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

Datum: Kertau (RSO)

Coordinate System: cartesian

Projection: Rectified Skew Orthomorphic Malaya Grid (chain)

Geodetic CRS: Kertau (RSO)

Export

PROJCRS["Kertau (RSO) / RSO Malaya (ch)",
    BASEGEOGCRS["Kertau (RSO)",
        DATUM["Kertau (RSO)",
            ELLIPSOID["Everest 1830 (RSO 1969)",6377295.664,300.8017,
                LENGTHUNIT["metre",1]]],
        PRIMEM["Greenwich",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["EPSG",4751]],
    CONVERSION["Rectified Skew Orthomorphic Malaya Grid (chain)",
        METHOD["Hotine Oblique Mercator (variant A)",
            ID["EPSG",9812]],
        PARAMETER["Latitude of projection centre",4,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8811]],
        PARAMETER["Longitude of projection centre",102.25,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8812]],
        PARAMETER["Azimuth at projection centre",323.0257905,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8813]],
        PARAMETER["Angle from Rectified to Skew Grid",323.130102361111,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8814]],
        PARAMETER["Scale factor at projection centre",0.99984,
            SCALEUNIT["unity",1],
            ID["EPSG",8815]],
        PARAMETER["False easting",40000,
            LENGTHUNIT["British chain (Sears 1922 truncated)",20.116756],
            ID["EPSG",8806]],
        PARAMETER["False northing",0,
            LENGTHUNIT["British chain (Sears 1922 truncated)",20.116756],
            ID["EPSG",8807]]],
    CS[Cartesian,2],
        AXIS["(E)",east,
            ORDER[1],
            LENGTHUNIT["British chain (Sears 1922 truncated)",20.116756]],
        AXIS["(N)",north,
            ORDER[2],
            LENGTHUNIT["British chain (Sears 1922 truncated)",20.116756]],
    USAGE[
        SCOPE["Engineering survey, topographic mapping."],
        AREA["Malaysia - West Malaysia onshore."],
        BBOX[1.21,99.59,6.72,104.6]],
    ID["EPSG",3167]]
{
  "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
  "type": "ProjectedCRS",
  "name": "Kertau (RSO) / RSO Malaya (ch)",
  "base_crs": {
    "name": "Kertau (RSO)",
    "datum": {
      "type": "GeodeticReferenceFrame",
      "name": "Kertau (RSO)",
      "ellipsoid": {
        "name": "Everest 1830 (RSO 1969)",
        "semi_major_axis": 6377295.664,
        "inverse_flattening": 300.8017
      }
    },
    "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": 4751
    }
  },
  "conversion": {
    "name": "Rectified Skew Orthomorphic Malaya Grid (chain)",
    "method": {
      "name": "Hotine Oblique Mercator (variant A)",
      "id": {
        "authority": "EPSG",
        "code": 9812
      }
    },
    "parameters": [
      {
        "name": "Latitude of projection centre",
        "value": 4,
        "unit": "degree",
        "id": {
          "authority": "EPSG",
          "code": 8811
        }
      },
      {
        "name": "Longitude of projection centre",
        "value": 102.25,
        "unit": "degree",
        "id": {
          "authority": "EPSG",
          "code": 8812
        }
      },
      {
        "name": "Azimuth at projection centre",
        "value": 323.0257905,
        "unit": "degree",
        "id": {
          "authority": "EPSG",
          "code": 8813
        }
      },
      {
        "name": "Angle from Rectified to Skew Grid",
        "value": 323.130102361111,
        "unit": "degree",
        "id": {
          "authority": "EPSG",
          "code": 8814
        }
      },
      {
        "name": "Scale factor at projection centre",
        "value": 0.99984,
        "unit": "unity",
        "id": {
          "authority": "EPSG",
          "code": 8815
        }
      },
      {
        "name": "False easting",
        "value": 40000,
        "unit": {
          "type": "LinearUnit",
          "name": "British chain (Sears 1922 truncated)",
          "conversion_factor": 20.116756
        },
        "id": {
          "authority": "EPSG",
          "code": 8806
        }
      },
      {
        "name": "False northing",
        "value": 0,
        "unit": {
          "type": "LinearUnit",
          "name": "British chain (Sears 1922 truncated)",
          "conversion_factor": 20.116756
        },
        "id": {
          "authority": "EPSG",
          "code": 8807
        }
      }
    ]
  },
  "coordinate_system": {
    "subtype": "Cartesian",
    "axis": [
      {
        "name": "Easting",
        "abbreviation": "E",
        "direction": "east",
        "unit": {
          "type": "LinearUnit",
          "name": "British chain (Sears 1922 truncated)",
          "conversion_factor": 20.116756
        }
      },
      {
        "name": "Northing",
        "abbreviation": "N",
        "direction": "north",
        "unit": {
          "type": "LinearUnit",
          "name": "British chain (Sears 1922 truncated)",
          "conversion_factor": 20.116756
        }
      }
    ]
  },
  "scope": "Engineering survey, topographic mapping.",
  "area": "Malaysia - West Malaysia onshore.",
  "bbox": {
    "south_latitude": 1.21,
    "west_longitude": 99.59,
    "north_latitude": 6.72,
    "east_longitude": 104.6
  },
  "id": {
    "authority": "EPSG",
    "code": 3167
  }
}
{'crs_wkt': 'PROJCRS["Kertau (RSO) / RSO Malaya (ch)",BASEGEOGCRS["Kertau '
            '(RSO)",DATUM["Kertau (RSO)",ELLIPSOID["Everest 1830 (RSO '
            '1969)",6377295.664,300.8017,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4751]],CONVERSION["Rectified '
            'Skew Orthomorphic Malaya Grid (chain)",METHOD["Hotine Oblique '
            'Mercator (variant A)",ID["EPSG",9812]],PARAMETER["Latitude of '
            'projection '
            'centre",4,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8811]],PARAMETER["Longitude '
            'of projection '
            'centre",102.25,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8812]],PARAMETER["Azimuth '
            'at projection '
            'centre",323.0257905,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8813]],PARAMETER["Angle '
            'from Rectified to Skew '
            'Grid",323.130102361111,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8814]],PARAMETER["Scale '
            'factor at projection '
            'centre",0.99984,SCALEUNIT["unity",1],ID["EPSG",8815]],PARAMETER["False '
            'easting",40000,LENGTHUNIT["British chain (Sears 1922 '
            'truncated)",20.116756],ID["EPSG",8806]],PARAMETER["False '
            'northing",0,LENGTHUNIT["British chain (Sears 1922 '
            'truncated)",20.116756],ID["EPSG",8807]]],CS[Cartesian,2],AXIS["(E)",east,ORDER[1],LENGTHUNIT["British '
            'chain (Sears 1922 '
            'truncated)",20.116756]],AXIS["(N)",north,ORDER[2],LENGTHUNIT["British '
            'chain (Sears 1922 '
            'truncated)",20.116756]],USAGE[SCOPE["Engineering survey, '
            'topographic mapping."],AREA["Malaysia - West Malaysia '
            'onshore."],BBOX[1.21,99.59,6.72,104.6]],ID["EPSG",3167]]'}