International Terrestrial Reference Frame 1997
EPSG
International Earth Rotation Service (IERS). ftp://itrf.ign.fr/pub/itrf/ITRF.TP
2009-11-13
Geodesy.
At epoch 1997.0. Rates dX=0.0000 m/yr, dy=0.0006 m/yr, dZ=0.0014 m/yr, rX=rY=0.0"/yr, rZ=-0.00002"/yr, dS=-0.00001 ppm/yr.
Position Vector transformation (geocentric domain)
(0,)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["ITRF97 to ITRF2000 (1)", VERSION["IERS"], SOURCECRS[ GEODCRS["ITRF97", DYNAMIC[ FRAMEEPOCH[1997]], DATUM["International Terrestrial Reference Frame 1997", 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",4918]]], TARGETCRS[ GEODCRS["ITRF2000", DYNAMIC[ FRAMEEPOCH[1997]], DATUM["International Terrestrial Reference Frame 2000", 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",4919]]], METHOD["Position Vector transformation (geocentric domain)", ID["EPSG",1033]], PARAMETER["X-axis translation",-0.0067, LENGTHUNIT["metre",1], ID["EPSG",8605]], PARAMETER["Y-axis translation",-0.0061, LENGTHUNIT["metre",1], ID["EPSG",8606]], PARAMETER["Z-axis translation",0.0185, LENGTHUNIT["metre",1], ID["EPSG",8607]], PARAMETER["X-axis rotation",0, ANGLEUNIT["arc-second",4.84813681109536E-06], ID["EPSG",8608]], PARAMETER["Y-axis rotation",0, ANGLEUNIT["arc-second",4.84813681109536E-06], ID["EPSG",8609]], PARAMETER["Z-axis rotation",0, ANGLEUNIT["arc-second",4.84813681109536E-06], ID["EPSG",8610]], PARAMETER["Scale difference",-0.00155, SCALEUNIT["parts per million",1E-06], ID["EPSG",8611]], OPERATIONACCURACY[0.0], USAGE[ SCOPE["Geodesy."], AREA["World."], BBOX[-90,-180,90,180]], ID["EPSG",4598], REMARK["At epoch 1997.0. Rates dX=0.0000 m/yr, dy=0.0006 m/yr, dZ=0.0014 m/yr, rX=rY=0.0""/yr, rZ=-0.00002""/yr, dS=-0.00001 ppm/yr."]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Transformation", "name": "ITRF97 to ITRF2000 (1)", "source_crs": { "type": "GeodeticCRS", "name": "ITRF97", "datum": { "type": "DynamicGeodeticReferenceFrame", "name": "International Terrestrial Reference Frame 1997", "frame_reference_epoch": 1997, "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": 4918 } }, "target_crs": { "type": "GeodeticCRS", "name": "ITRF2000", "datum": { "type": "DynamicGeodeticReferenceFrame", "name": "International Terrestrial Reference Frame 2000", "frame_reference_epoch": 1997, "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": 4919 } }, "method": { "name": "Position Vector transformation (geocentric domain)", "id": { "authority": "EPSG", "code": 1033 } }, "parameters": [ { "name": "X-axis translation", "value": -0.0067, "unit": "metre", "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": -0.0061, "unit": "metre", "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": 0.0185, "unit": "metre", "id": { "authority": "EPSG", "code": 8607 } }, { "name": "X-axis rotation", "value": 0, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8608 } }, { "name": "Y-axis rotation", "value": 0, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8609 } }, { "name": "Z-axis rotation", "value": 0, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8610 } }, { "name": "Scale difference", "value": -0.00155, "unit": { "type": "ScaleUnit", "name": "parts per million", "conversion_factor": 1e-06 }, "id": { "authority": "EPSG", "code": 8611 } } ], "accuracy": "0.0", "scope": "Geodesy.", "area": "World.", "bbox": { "south_latitude": -90, "west_longitude": -180, "north_latitude": 90, "east_longitude": 180 }, "id": { "authority": "EPSG", "code": 4598 }, "remarks": "At epoch 1997.0. Rates dX=0.0000 m/yr, dy=0.0006 m/yr, dZ=0.0014 m/yr, rX=rY=0.0\"/yr, rZ=-0.00002\"/yr, dS=-0.00001 ppm/yr." }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=helmert +x=-0.0067 +y=-0.0061 +z=0.0185 +rx=0 +ry=0 +rz=0 +s=-0.00155 +convention=position_vector"> <Layer srs="+proj=helmert +x=-0.0067 +y=-0.0061 +z=0.0185 +rx=0 +ry=0 +rz=0 +s=-0.00155 +convention=position_vector"> </Layer> </Map>