EPSG:1881

Carthage (Paris) to Carthage (1)

Attributes

Geodetic CRS: Carthage (Paris)

Datum: Carthage (Paris)

Ellipsoid: Clarke 1880 (IGN)

Prime meridian: Paris

Data source: EPSG

Information source: IGN Paris.

Revision date: 2010-03-30

Scope: Change of prime meridian.

Method: Longitude rotation

Area of use: Tunisia - onshore.

Description: (0,)

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SimpleMap
Tunisia - onshore.

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Definition: OGC Well Known Text 2 (2019)

COORDINATEOPERATION["Carthage (Paris) to Carthage (1)",
    VERSION["IGN-Fra"],
    SOURCECRS[
        GEOGCRS["Carthage (Paris)",
            DATUM["Carthage (Paris)",
                ELLIPSOID["Clarke 1880 (IGN)",6378249.2,293.466021293627,
                    LENGTHUNIT["metre",1]]],
            PRIMEM["Paris",2.5969213,
                ANGLEUNIT["grad",0.0157079632679489]],
            CS[ellipsoidal,2],
                AXIS["geodetic latitude (Lat)",north,
                    ORDER[1],
                    ANGLEUNIT["grad",0.0157079632679489]],
                AXIS["geodetic longitude (Lon)",east,
                    ORDER[2],
                    ANGLEUNIT["grad",0.0157079632679489]],
            ID["EPSG",4816]]],
    TARGETCRS[
        GEOGCRS["Carthage",
            DATUM["Carthage",
                ELLIPSOID["Clarke 1880 (IGN)",6378249.2,293.466021293627,
                    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]],
            ID["EPSG",4223]]],
    METHOD["Longitude rotation",
        ID["EPSG",9601]],
    PARAMETER["Longitude offset",2.5969213,
        ANGLEUNIT["grad",0.0157079632679489],
        ID["EPSG",8602]],
    OPERATIONACCURACY[0.0],
    USAGE[
        SCOPE["Change of prime meridian."],
        AREA["Tunisia - onshore."],
        BBOX[30.23,7.49,37.4,11.59]],
    ID["EPSG",1881]]

Definition: PROJ.4

+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=grad +xy_out=rad +step +inv +proj=longlat +ellps=clrk80ign +pm=paris +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:1881","+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=grad +xy_out=rad +step +inv +proj=longlat +ellps=clrk80ign +pm=paris +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "Transformation",
    "name": "Carthage (Paris) to Carthage (1)",
    "source_crs": {
        "type": "GeographicCRS",
        "name": "Carthage (Paris)",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Carthage (Paris)",
            "ellipsoid": {
                "name": "Clarke 1880 (IGN)",
                "semi_major_axis": 6378249.2,
                "semi_minor_axis": 6356515
            },
            "prime_meridian": {
                "name": "Paris",
                "longitude": {
                    "value": 2.5969213,
                    "unit": {
                        "type": "AngularUnit",
                        "name": "grad",
                        "conversion_factor": 0.0157079632679489
                    }
                }
            }
        },
        "coordinate_system": {
            "subtype": "ellipsoidal",
            "axis": [
                {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": {
                        "type": "AngularUnit",
                        "name": "grad",
                        "conversion_factor": 0.0157079632679489
                    }
                },
                {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": {
                        "type": "AngularUnit",
                        "name": "grad",
                        "conversion_factor": 0.0157079632679489
                    }
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 4816
        }
    },
    "target_crs": {
        "type": "GeographicCRS",
        "name": "Carthage",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Carthage",
            "ellipsoid": {
                "name": "Clarke 1880 (IGN)",
                "semi_major_axis": 6378249.2,
                "semi_minor_axis": 6356515
            }
        },
        "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": 4223
        }
    },
    "method": {
        "name": "Longitude rotation",
        "id": {
            "authority": "EPSG",
            "code": 9601
        }
    },
    "parameters": [
        {
            "name": "Longitude offset",
            "value": 2.5969213,
            "unit": {
                "type": "AngularUnit",
                "name": "grad",
                "conversion_factor": 0.0157079632679489
            },
            "id": {
                "authority": "EPSG",
                "code": 8602
            }
        }
    ],
    "accuracy": "0.0",
    "scope": "Change of prime meridian.",
    "area": "Tunisia - onshore.",
    "bbox": {
        "south_latitude": 30.23,
        "west_longitude": 7.49,
        "north_latitude": 37.4,
        "east_longitude": 11.59
    },
    "id": {
        "authority": "EPSG",
        "code": 1881
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=pipeline"
	"step"
	"proj=axisswap"
	"order=2,1"
	"step"
	"proj=unitconvert"
	"xy_in=grad"
	"xy_out=rad"
	"step"
	"inv"
	"proj=longlat"
	"ellps=clrk80ign"
	"pm=paris"
	"step"
	"proj=unitconvert"
	"xy_in=rad"
	"xy_out=deg"
	"step"
	"proj=axisswap"
	"order=2,1"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=grad +xy_out=rad +step +inv +proj=longlat +ellps=clrk80ign +pm=paris +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1">
	<Layer srs="+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=grad +xy_out=rad +step +inv +proj=longlat +ellps=clrk80ign +pm=paris +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 1881, 'EPSG', 1881, '+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=grad +xy_out=rad +step +inv +proj=longlat +ellps=clrk80ign +pm=paris +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1', 'None');