EPSG:9025

ITRF93 to ITRF94 (1)

Attributes

Geodetic CRS: ITRF93

Datum: International Terrestrial Reference Frame 1993

Ellipsoid: GRS 1980

Prime meridian: Greenwich

Data source: EPSG

Information source: International Earth Rotation Service (IERS) Technical Note 21, Conventions (1996).

Revision date: 2019-05-17

Scope: Geodesy.

Remarks: Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m.

Method: Time-dependent Position Vector tfm (geocentric)

Area of use: World.

Description: (0,)

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Definition: PROJ.4

+proj=helmert +x=-0.006 +y=0.005 +z=0.015 +rx=0.00039 +ry=-0.0008 +rz=0.00096 +s=-0.0004 +dx=0.0029 +dy=-0.0004 +dz=-0.0008 +drx=0.00011 +dry=0.00019 +drz=-5e-05 +ds=0 +t_epoch=1988 +convention=position_vector

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:9025","+proj=helmert +x=-0.006 +y=0.005 +z=0.015 +rx=0.00039 +ry=-0.0008 +rz=0.00096 +s=-0.0004 +dx=0.0029 +dy=-0.0004 +dz=-0.0008 +drx=0.00011 +dry=0.00019 +drz=-5e-05 +ds=0 +t_epoch=1988 +convention=position_vector");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.4/projjson.schema.json",
    "type": "Transformation",
    "name": "ITRF93 to ITRF94 (1)",
    "source_crs": {
        "type": "GeodeticCRS",
        "name": "ITRF93",
        "datum": {
            "type": "DynamicGeodeticReferenceFrame",
            "name": "International Terrestrial Reference Frame 1993",
            "frame_reference_epoch": 1993,
            "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": 4915
        }
    },
    "target_crs": {
        "type": "GeodeticCRS",
        "name": "ITRF94",
        "datum": {
            "type": "DynamicGeodeticReferenceFrame",
            "name": "International Terrestrial Reference Frame 1994",
            "frame_reference_epoch": 1993,
            "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": 4916
        }
    },
    "method": {
        "name": "Time-dependent Position Vector tfm (geocentric)",
        "id": {
            "authority": "EPSG",
            "code": 1053
        }
    },
    "parameters": [
        {
            "name": "X-axis translation",
            "value": -0.6,
            "unit": {
                "type": "LinearUnit",
                "name": "centimetre",
                "conversion_factor": 0.01
            },
            "id": {
                "authority": "EPSG",
                "code": 8605
            }
        },
        {
            "name": "Y-axis translation",
            "value": 0.5,
            "unit": {
                "type": "LinearUnit",
                "name": "centimetre",
                "conversion_factor": 0.01
            },
            "id": {
                "authority": "EPSG",
                "code": 8606
            }
        },
        {
            "name": "Z-axis translation",
            "value": 1.5,
            "unit": {
                "type": "LinearUnit",
                "name": "centimetre",
                "conversion_factor": 0.01
            },
            "id": {
                "authority": "EPSG",
                "code": 8607
            }
        },
        {
            "name": "X-axis rotation",
            "value": 0.39,
            "unit": {
                "type": "AngularUnit",
                "name": "milliarc-second",
                "conversion_factor": 4.84813681109536e-09
            },
            "id": {
                "authority": "EPSG",
                "code": 8608
            }
        },
        {
            "name": "Y-axis rotation",
            "value": -0.8,
            "unit": {
                "type": "AngularUnit",
                "name": "milliarc-second",
                "conversion_factor": 4.84813681109536e-09
            },
            "id": {
                "authority": "EPSG",
                "code": 8609
            }
        },
        {
            "name": "Z-axis rotation",
            "value": 0.96,
            "unit": {
                "type": "AngularUnit",
                "name": "milliarc-second",
                "conversion_factor": 4.84813681109536e-09
            },
            "id": {
                "authority": "EPSG",
                "code": 8610
            }
        },
        {
            "name": "Scale difference",
            "value": -0.4,
            "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": 0.29,
            "unit": {
                "type": "LinearUnit",
                "name": "centimetres per year",
                "conversion_factor": 3.16887651727315e-10
            },
            "id": {
                "authority": "EPSG",
                "code": 1040
            }
        },
        {
            "name": "Rate of change of Y-axis translation",
            "value": -0.04,
            "unit": {
                "type": "LinearUnit",
                "name": "centimetres per year",
                "conversion_factor": 3.16887651727315e-10
            },
            "id": {
                "authority": "EPSG",
                "code": 1041
            }
        },
        {
            "name": "Rate of change of Z-axis translation",
            "value": -0.08,
            "unit": {
                "type": "LinearUnit",
                "name": "centimetres per year",
                "conversion_factor": 3.16887651727315e-10
            },
            "id": {
                "authority": "EPSG",
                "code": 1042
            }
        },
        {
            "name": "Rate of change of X-axis rotation",
            "value": 0.11,
            "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": 0.19,
            "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": -0.05,
            "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,
            "unit": {
                "type": "ScaleUnit",
                "name": "parts per billion per year",
                "conversion_factor": 3.16887651727315e-17
            },
            "id": {
                "authority": "EPSG",
                "code": 1046
            }
        },
        {
            "name": "Parameter reference epoch",
            "value": 1988,
            "unit": {
                "type": "TimeUnit",
                "name": "year",
                "conversion_factor": 31556925.445
            },
            "id": {
                "authority": "EPSG",
                "code": 1047
            }
        }
    ],
    "accuracy": "0.01",
    "scope": "Geodesy.",
    "area": "World.",
    "bbox": {
        "south_latitude": -90,
        "west_longitude": -180,
        "north_latitude": 90,
        "east_longitude": 180
    },
    "id": {
        "authority": "EPSG",
        "code": 9025
    },
    "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=-0.006"
	"y=0.005"
	"z=0.015"
	"rx=0.00039"
	"ry=-0.0008"
	"rz=0.00096"
	"s=-0.0004"
	"dx=0.0029"
	"dy=-0.0004"
	"dz=-0.0008"
	"drx=0.00011"
	"dry=0.00019"
	"drz=-5e-05"
	"ds=0"
	"t_epoch=1988"
	"convention=position_vector"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=helmert +x=-0.006 +y=0.005 +z=0.015 +rx=0.00039 +ry=-0.0008 +rz=0.00096 +s=-0.0004 +dx=0.0029 +dy=-0.0004 +dz=-0.0008 +drx=0.00011 +dry=0.00019 +drz=-5e-05 +ds=0 +t_epoch=1988 +convention=position_vector">
	<Layer srs="+proj=helmert +x=-0.006 +y=0.005 +z=0.015 +rx=0.00039 +ry=-0.0008 +rz=0.00096 +s=-0.0004 +dx=0.0029 +dy=-0.0004 +dz=-0.0008 +drx=0.00011 +dry=0.00019 +drz=-5e-05 +ds=0 +t_epoch=1988 +convention=position_vector">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 9025, 'EPSG', 9025, '+proj=helmert +x=-0.006 +y=0.005 +z=0.015 +rx=0.00039 +ry=-0.0008 +rz=0.00096 +s=-0.0004 +dx=0.0029 +dy=-0.0004 +dz=-0.0008 +drx=0.00011 +dry=0.00019 +drz=-5e-05 +ds=0 +t_epoch=1988 +convention=position_vector', 'None');

Definition: OGC WKT 2 (2019)

COORDINATEOPERATION["ITRF93 to ITRF94 (1)",VERSION["IERS-Wld"],SOURCECRS[GEODCRS["ITRF93",DYNAMIC[FRAMEEPOCH[1993]],DATUM["International Terrestrial Reference Frame 1993",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",4915]]],TARGETCRS[GEODCRS["ITRF94",DYNAMIC[FRAMEEPOCH[1993]],DATUM["International Terrestrial Reference Frame 1994",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",4916]]],METHOD["Time-dependent Position Vector tfm (geocentric)",ID["EPSG",1053]],PARAMETER["X-axis translation",-0.6,LENGTHUNIT["centimetre",0.01],ID["EPSG",8605]],PARAMETER["Y-axis translation",0.5,LENGTHUNIT["centimetre",0.01],ID["EPSG",8606]],PARAMETER["Z-axis translation",1.5,LENGTHUNIT["centimetre",0.01],ID["EPSG",8607]],PARAMETER["X-axis rotation",0.39,ANGLEUNIT["milliarc-second",4.84813681109536E-09],ID["EPSG",8608]],PARAMETER["Y-axis rotation",-0.8,ANGLEUNIT["milliarc-second",4.84813681109536E-09],ID["EPSG",8609]],PARAMETER["Z-axis rotation",0.96,ANGLEUNIT["milliarc-second",4.84813681109536E-09],ID["EPSG",8610]],PARAMETER["Scale difference",-0.4,SCALEUNIT["parts per billion",1E-09],ID["EPSG",8611]],PARAMETER["Rate of change of X-axis translation",0.29,LENGTHUNIT["centimetres per year",3.16887651727315E-10],ID["EPSG",1040]],PARAMETER["Rate of change of Y-axis translation",-0.04,LENGTHUNIT["centimetres per year",3.16887651727315E-10],ID["EPSG",1041]],PARAMETER["Rate of change of Z-axis translation",-0.08,LENGTHUNIT["centimetres per year",3.16887651727315E-10],ID["EPSG",1042]],PARAMETER["Rate of change of X-axis rotation",0.11,ANGLEUNIT["milliarc-seconds per year",1.53631468932076E-16],ID["EPSG",1043]],PARAMETER["Rate of change of Y-axis rotation",0.19,ANGLEUNIT["milliarc-seconds per year",1.53631468932076E-16],ID["EPSG",1044]],PARAMETER["Rate of change of Z-axis rotation",-0.05,ANGLEUNIT["milliarc-seconds per year",1.53631468932076E-16],ID["EPSG",1045]],PARAMETER["Rate of change of Scale difference",0,SCALEUNIT["parts per billion per year",3.16887651727315E-17],ID["EPSG",1046]],PARAMETER["Parameter reference epoch",1988,TIMEUNIT["year",31556925.445],ID["EPSG",1047]],OPERATIONACCURACY[0.01],USAGE[SCOPE["Geodesy."],AREA["World."],BBOX[-90,-180,90,180]],ID["EPSG",9025],REMARK["Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m."]]