EPSG:8423 DEPRECATED

ITRF90 to ETRF2014 (1)

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Definition: PROJ.4

+proj=helmert +x=-0.0254 +y=-0.0115 +z=0.0928 +rx=0.001785 +ry=0.011151 +rz=-0.01643 +s=-0.00479 +dx=-0.0001 +dy=0.0005 +dz=0.0033 +drx=8.5e-05 +dry=0.000531 +drz=-0.00079 +ds=-0.00012 +t_epoch=2010 +convention=position_vector

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:8423","+proj=helmert +x=-0.0254 +y=-0.0115 +z=0.0928 +rx=0.001785 +ry=0.011151 +rz=-0.01643 +s=-0.00479 +dx=-0.0001 +dy=0.0005 +dz=0.0033 +drx=8.5e-05 +dry=0.000531 +drz=-0.00079 +ds=-0.00012 +t_epoch=2010 +convention=position_vector");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.4/projjson.schema.json",
    "type": "Transformation",
    "name": "ITRF90 to ETRF2014 (1)",
    "source_crs": {
        "type": "GeodeticCRS",
        "name": "ITRF90",
        "datum": {
            "type": "DynamicGeodeticReferenceFrame",
            "name": "International Terrestrial Reference Frame 1990",
            "frame_reference_epoch": 1988,
            "ellipsoid": {
                "name": "GRS 1980",
                "semi_major_axis": 6378137,
                "inverse_flattening": 298.257222101
            }
        },
        "coordinate_system": {
            "subtype": "Cartesian",
            "axis": [
                {
                    "name": "Geocentric X",
                    "abbreviation": "X",
                    "direction": "geocentricX",
                    "unit": "metre"
                },
                {
                    "name": "Geocentric Y",
                    "abbreviation": "Y",
                    "direction": "geocentricY",
                    "unit": "metre"
                },
                {
                    "name": "Geocentric Z",
                    "abbreviation": "Z",
                    "direction": "geocentricZ",
                    "unit": "metre"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 4912
        }
    },
    "target_crs": {
        "type": "GeodeticCRS",
        "name": "ITRF2014",
        "datum": {
            "type": "DynamicGeodeticReferenceFrame",
            "name": "International Terrestrial Reference Frame 2014",
            "frame_reference_epoch": 2010,
            "ellipsoid": {
                "name": "GRS 1980",
                "semi_major_axis": 6378137,
                "inverse_flattening": 298.257222101
            }
        },
        "coordinate_system": {
            "subtype": "Cartesian",
            "axis": [
                {
                    "name": "Geocentric X",
                    "abbreviation": "X",
                    "direction": "geocentricX",
                    "unit": "metre"
                },
                {
                    "name": "Geocentric Y",
                    "abbreviation": "Y",
                    "direction": "geocentricY",
                    "unit": "metre"
                },
                {
                    "name": "Geocentric Z",
                    "abbreviation": "Z",
                    "direction": "geocentricZ",
                    "unit": "metre"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 7789
        }
    },
    "method": {
        "name": "Time-dependent Position Vector tfm (geocentric)",
        "id": {
            "authority": "EPSG",
            "code": 1053
        }
    },
    "parameters": [
        {
            "name": "X-axis translation",
            "value": -25.4,
            "unit": {
                "type": "LinearUnit",
                "name": "millimetre",
                "conversion_factor": 0.001
            },
            "id": {
                "authority": "EPSG",
                "code": 8605
            }
        },
        {
            "name": "Y-axis translation",
            "value": -11.5,
            "unit": {
                "type": "LinearUnit",
                "name": "millimetre",
                "conversion_factor": 0.001
            },
            "id": {
                "authority": "EPSG",
                "code": 8606
            }
        },
        {
            "name": "Z-axis translation",
            "value": 92.8,
            "unit": {
                "type": "LinearUnit",
                "name": "millimetre",
                "conversion_factor": 0.001
            },
            "id": {
                "authority": "EPSG",
                "code": 8607
            }
        },
        {
            "name": "X-axis rotation",
            "value": 1.785,
            "unit": {
                "type": "AngularUnit",
                "name": "milliarc-second",
                "conversion_factor": 4.84813681109536e-09
            },
            "id": {
                "authority": "EPSG",
                "code": 8608
            }
        },
        {
            "name": "Y-axis rotation",
            "value": 11.151,
            "unit": {
                "type": "AngularUnit",
                "name": "milliarc-second",
                "conversion_factor": 4.84813681109536e-09
            },
            "id": {
                "authority": "EPSG",
                "code": 8609
            }
        },
        {
            "name": "Z-axis rotation",
            "value": -16.43,
            "unit": {
                "type": "AngularUnit",
                "name": "milliarc-second",
                "conversion_factor": 4.84813681109536e-09
            },
            "id": {
                "authority": "EPSG",
                "code": 8610
            }
        },
        {
            "name": "Scale difference",
            "value": -4.79,
            "unit": {
                "type": "ScaleUnit",
                "name": "parts per billion",
                "conversion_factor": 1e-09
            },
            "id": {
                "authority": "EPSG",
                "code": 8611
            }
        },
        {
            "name": "Rate of change of X-axis translation",
            "value": -0.1,
            "unit": {
                "type": "LinearUnit",
                "name": "millimetres per year",
                "conversion_factor": 3.16887651727315e-11
            },
            "id": {
                "authority": "EPSG",
                "code": 1040
            }
        },
        {
            "name": "Rate of change of Y-axis translation",
            "value": 0.5,
            "unit": {
                "type": "LinearUnit",
                "name": "millimetres per year",
                "conversion_factor": 3.16887651727315e-11
            },
            "id": {
                "authority": "EPSG",
                "code": 1041
            }
        },
        {
            "name": "Rate of change of Z-axis translation",
            "value": 3.3,
            "unit": {
                "type": "LinearUnit",
                "name": "millimetres per year",
                "conversion_factor": 3.16887651727315e-11
            },
            "id": {
                "authority": "EPSG",
                "code": 1042
            }
        },
        {
            "name": "Rate of change of X-axis rotation",
            "value": 0.085,
            "unit": {
                "type": "AngularUnit",
                "name": "milliarc-seconds per year",
                "conversion_factor": 1.53631468932076e-16
            },
            "id": {
                "authority": "EPSG",
                "code": 1043
            }
        },
        {
            "name": "Rate of change of Y-axis rotation",
            "value": 0.531,
            "unit": {
                "type": "AngularUnit",
                "name": "milliarc-seconds per year",
                "conversion_factor": 1.53631468932076e-16
            },
            "id": {
                "authority": "EPSG",
                "code": 1044
            }
        },
        {
            "name": "Rate of change of Z-axis rotation",
            "value": -0.79,
            "unit": {
                "type": "AngularUnit",
                "name": "milliarc-seconds per year",
                "conversion_factor": 1.53631468932076e-16
            },
            "id": {
                "authority": "EPSG",
                "code": 1045
            }
        },
        {
            "name": "Rate of change of Scale difference",
            "value": -0.12,
            "unit": {
                "type": "ScaleUnit",
                "name": "parts per billion per year",
                "conversion_factor": 3.16887651727315e-17
            },
            "id": {
                "authority": "EPSG",
                "code": 1046
            }
        },
        {
            "name": "Parameter reference epoch",
            "value": 2010,
            "unit": {
                "type": "TimeUnit",
                "name": "year",
                "conversion_factor": 31556925.445
            },
            "id": {
                "authority": "EPSG",
                "code": 1047
            }
        }
    ],
    "accuracy": "0.0",
    "scope": "Geodesy.",
    "area": "Europe - onshore and offshore: Albania; Andorra; Austria; Belgium; Bosnia and Herzegovina; Bulgaria; Croatia; Cyprus; Czechia; Denmark; Estonia; Faroe Islands; Finland; France; Germany; Gibraltar; Greece; Hungary; Ireland; Italy; Kosovo; Latvia; Liechtenstein; Lithuania; Luxembourg; Malta; Moldova; Monaco; Montenegro; Netherlands; North Macedonia; Norway including Svalbard and Jan Mayen; Poland; Portugal; Romania; San Marino; Serbia; Slovakia; Slovenia; Spain; Sweden; Switzerland; United Kingdom (UK) including Channel Islands and Isle of Man; Vatican City State.",
    "bbox": {
        "south_latitude": 32.88,
        "west_longitude": -16.1,
        "north_latitude": 84.73,
        "east_longitude": 40.18
    },
    "id": {
        "authority": "EPSG",
        "code": 8423
    },
    "remarks": "Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m."
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=helmert"
	"x=-0.0254"
	"y=-0.0115"
	"z=0.0928"
	"rx=0.001785"
	"ry=0.011151"
	"rz=-0.01643"
	"s=-0.00479"
	"dx=-0.0001"
	"dy=0.0005"
	"dz=0.0033"
	"drx=8.5e-05"
	"dry=0.000531"
	"drz=-0.00079"
	"ds=-0.00012"
	"t_epoch=2010"
	"convention=position_vector"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=helmert +x=-0.0254 +y=-0.0115 +z=0.0928 +rx=0.001785 +ry=0.011151 +rz=-0.01643 +s=-0.00479 +dx=-0.0001 +dy=0.0005 +dz=0.0033 +drx=8.5e-05 +dry=0.000531 +drz=-0.00079 +ds=-0.00012 +t_epoch=2010 +convention=position_vector">
	<Layer srs="+proj=helmert +x=-0.0254 +y=-0.0115 +z=0.0928 +rx=0.001785 +ry=0.011151 +rz=-0.01643 +s=-0.00479 +dx=-0.0001 +dy=0.0005 +dz=0.0033 +drx=8.5e-05 +dry=0.000531 +drz=-0.00079 +ds=-0.00012 +t_epoch=2010 +convention=position_vector">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 8423, 'EPSG', 8423, '+proj=helmert +x=-0.0254 +y=-0.0115 +z=0.0928 +rx=0.001785 +ry=0.011151 +rz=-0.01643 +s=-0.00479 +dx=-0.0001 +dy=0.0005 +dz=0.0033 +drx=8.5e-05 +dry=0.000531 +drz=-0.00079 +ds=-0.00012 +t_epoch=2010 +convention=position_vector', 'None');

Definition: OGC WKT 2 (2019)

COORDINATEOPERATION["ITRF90 to ETRF2014 (1)",VERSION["EUREF-Eur 2014"],SOURCECRS[GEODCRS["ITRF90",DYNAMIC[FRAMEEPOCH[1988]],DATUM["International Terrestrial Reference Frame 1990",ELLIPSOID["GRS 1980",6378137,298.257222101,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],CS[Cartesian,3],AXIS["(X)",geocentricX,ORDER[1],LENGTHUNIT["metre",1]],AXIS["(Y)",geocentricY,ORDER[2],LENGTHUNIT["metre",1]],AXIS["(Z)",geocentricZ,ORDER[3],LENGTHUNIT["metre",1]],ID["EPSG",4912]]],TARGETCRS[GEODCRS["ITRF2014",DYNAMIC[FRAMEEPOCH[2010]],DATUM["International Terrestrial Reference Frame 2014",ELLIPSOID["GRS 1980",6378137,298.257222101,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],CS[Cartesian,3],AXIS["(X)",geocentricX,ORDER[1],LENGTHUNIT["metre",1]],AXIS["(Y)",geocentricY,ORDER[2],LENGTHUNIT["metre",1]],AXIS["(Z)",geocentricZ,ORDER[3],LENGTHUNIT["metre",1]],ID["EPSG",7789]]],METHOD["Time-dependent Position Vector tfm (geocentric)",ID["EPSG",1053]],PARAMETER["X-axis translation",-25.4,LENGTHUNIT["millimetre",0.001],ID["EPSG",8605]],PARAMETER["Y-axis translation",-11.5,LENGTHUNIT["millimetre",0.001],ID["EPSG",8606]],PARAMETER["Z-axis translation",92.8,LENGTHUNIT["millimetre",0.001],ID["EPSG",8607]],PARAMETER["X-axis rotation",1.785,ANGLEUNIT["milliarc-second",4.84813681109536E-09],ID["EPSG",8608]],PARAMETER["Y-axis rotation",11.151,ANGLEUNIT["milliarc-second",4.84813681109536E-09],ID["EPSG",8609]],PARAMETER["Z-axis rotation",-16.43,ANGLEUNIT["milliarc-second",4.84813681109536E-09],ID["EPSG",8610]],PARAMETER["Scale difference",-4.79,SCALEUNIT["parts per billion",1E-09],ID["EPSG",8611]],PARAMETER["Rate of change of X-axis translation",-0.1,LENGTHUNIT["millimetres per year",3.16887651727315E-11],ID["EPSG",1040]],PARAMETER["Rate of change of Y-axis translation",0.5,LENGTHUNIT["millimetres per year",3.16887651727315E-11],ID["EPSG",1041]],PARAMETER["Rate of change of Z-axis translation",3.3,LENGTHUNIT["millimetres per year",3.16887651727315E-11],ID["EPSG",1042]],PARAMETER["Rate of change of X-axis rotation",0.085,ANGLEUNIT["milliarc-seconds per year",1.53631468932076E-16],ID["EPSG",1043]],PARAMETER["Rate of change of Y-axis rotation",0.531,ANGLEUNIT["milliarc-seconds per year",1.53631468932076E-16],ID["EPSG",1044]],PARAMETER["Rate of change of Z-axis rotation",-0.79,ANGLEUNIT["milliarc-seconds per year",1.53631468932076E-16],ID["EPSG",1045]],PARAMETER["Rate of change of Scale difference",-0.12,SCALEUNIT["parts per billion per year",3.16887651727315E-17],ID["EPSG",1046]],PARAMETER["Parameter reference epoch",2010,TIMEUNIT["year",31556925.445],ID["EPSG",1047]],OPERATIONACCURACY[0.0],USAGE[SCOPE["Geodesy."],AREA["Europe - onshore and offshore: Albania; Andorra; Austria; Belgium; Bosnia and Herzegovina; Bulgaria; Croatia; Cyprus; Czechia; Denmark; Estonia; Faroe Islands; Finland; France; Germany; Gibraltar; Greece; Hungary; Ireland; Italy; Kosovo; Latvia; Liechtenstein; Lithuania; Luxembourg; Malta; Moldova; Monaco; Montenegro; Netherlands; North Macedonia; Norway including Svalbard and Jan Mayen; Poland; Portugal; Romania; San Marino; Serbia; Slovakia; Slovenia; Spain; Sweden; Switzerland; United Kingdom (UK) including Channel Islands and Isle of Man; Vatican City State."],BBOX[32.88,-16.1,84.73,40.18]],ID["EPSG",8423],REMARK["Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m."]]