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Geodetic CRS: ITRF2008
Datum: International Terrestrial Reference Frame 2008
Ellipsoid: GRS 1980
Prime meridian: Greenwich
Data source: EPSG
Information source: Chris Pearson and Richard Snay, "Introducing HTDP 3.1 to transform coordinates across time and spatial reference frames", National Geodetic Survey (NGS), in GPS Solutions 28 February 2012.
Revision date: 2019-09-17
Scope: Geodesy.
Remarks: Information source gives IGS08 as source CRS: for most practical purposes IGS08 is equivalent to ITRF2008.
Method: Time-dependent Coordinate Frame rotation (geocen)
Description: (0,)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["ITRF2008 to NAD83(PA11) (1)", VERSION["NGS-PA"], SOURCECRS[ GEODCRS["ITRF2008", DYNAMIC[ FRAMEEPOCH[2005]], DATUM["International Terrestrial Reference Frame 2008", 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",5332]]], TARGETCRS[ GEODCRS["NAD83(PA11)", DATUM["NAD83 (National Spatial Reference System PA11)", 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",6320]]], METHOD["Time-dependent Coordinate Frame rotation (geocen)", ID["EPSG",1056]], PARAMETER["X-axis translation",0.908, LENGTHUNIT["metre",1], ID["EPSG",8605]], PARAMETER["Y-axis translation",-2.0161, LENGTHUNIT["metre",1], ID["EPSG",8606]], PARAMETER["Z-axis translation",-0.5653, LENGTHUNIT["metre",1], ID["EPSG",8607]], PARAMETER["X-axis rotation",27.741, ANGLEUNIT["milliarc-second",4.84813681109536E-09], ID["EPSG",8608]], PARAMETER["Y-axis rotation",13.469, ANGLEUNIT["milliarc-second",4.84813681109536E-09], ID["EPSG",8609]], PARAMETER["Z-axis rotation",2.712, ANGLEUNIT["milliarc-second",4.84813681109536E-09], ID["EPSG",8610]], PARAMETER["Scale difference",1.1, SCALEUNIT["parts per billion",1E-09], ID["EPSG",8611]], PARAMETER["Rate of change of X-axis translation",0.0001, LENGTHUNIT["metres per year",3.16887651727315E-08], ID["EPSG",1040]], PARAMETER["Rate of change of Y-axis translation",0.0001, LENGTHUNIT["metres per year",3.16887651727315E-08], ID["EPSG",1041]], PARAMETER["Rate of change of Z-axis translation",-0.0018, LENGTHUNIT["metres per year",3.16887651727315E-08], ID["EPSG",1042]], PARAMETER["Rate of change of X-axis rotation",-0.384, ANGLEUNIT["milliarc-seconds per year",1.53631468932076E-16], ID["EPSG",1043]], PARAMETER["Rate of change of Y-axis rotation",1.007, ANGLEUNIT["milliarc-seconds per year",1.53631468932076E-16], ID["EPSG",1044]], PARAMETER["Rate of change of Z-axis rotation",-2.186, ANGLEUNIT["milliarc-seconds per year",1.53631468932076E-16], ID["EPSG",1045]], PARAMETER["Rate of change of Scale difference",0.08, SCALEUNIT["parts per billion per year",3.16887651727315E-17], ID["EPSG",1046]], PARAMETER["Parameter reference epoch",1997, TIMEUNIT["year",31556925.445], ID["EPSG",1047]], OPERATIONACCURACY[0.0], USAGE[ SCOPE["Geodesy."], AREA["American Samoa, Marshall Islands, United States (USA) - Hawaii, United States minor outlying islands; onshore and offshore."], BBOX[-17.56,157.47,31.8,-151.27]], ID["EPSG",7808], REMARK["Information source gives IGS08 as source CRS: for most practical purposes IGS08 is equivalent to ITRF2008."]]
Definition: JavaScript (Proj4js)
proj4.defs("EPSG:7808","+proj=helmert +x=0.908 +y=-2.0161 +z=-0.5653 +rx=0.027741 +ry=0.013469 +rz=0.002712 +s=0.0011 +dx=0.0001 +dy=0.0001 +dz=-0.0018 +drx=-0.000384 +dry=0.001007 +drz=-0.002186 +ds=8e-05 +t_epoch=1997 +convention=coordinate_frame");
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Transformation", "name": "ITRF2008 to NAD83(PA11) (1)", "source_crs": { "type": "GeodeticCRS", "name": "ITRF2008", "datum": { "type": "DynamicGeodeticReferenceFrame", "name": "International Terrestrial Reference Frame 2008", "frame_reference_epoch": 2005, "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": 5332 } }, "target_crs": { "type": "GeodeticCRS", "name": "NAD83(PA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System PA11)", "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": 6320 } }, "method": { "name": "Time-dependent Coordinate Frame rotation (geocen)", "id": { "authority": "EPSG", "code": 1056 } }, "parameters": [ { "name": "X-axis translation", "value": 0.908, "unit": "metre", "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": -2.0161, "unit": "metre", "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": -0.5653, "unit": "metre", "id": { "authority": "EPSG", "code": 8607 } }, { "name": "X-axis rotation", "value": 27.741, "unit": { "type": "AngularUnit", "name": "milliarc-second", "conversion_factor": 4.84813681109536e-09 }, "id": { "authority": "EPSG", "code": 8608 } }, { "name": "Y-axis rotation", "value": 13.469, "unit": { "type": "AngularUnit", "name": "milliarc-second", "conversion_factor": 4.84813681109536e-09 }, "id": { "authority": "EPSG", "code": 8609 } }, { "name": "Z-axis rotation", "value": 2.712, "unit": { "type": "AngularUnit", "name": "milliarc-second", "conversion_factor": 4.84813681109536e-09 }, "id": { "authority": "EPSG", "code": 8610 } }, { "name": "Scale difference", "value": 1.1, "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": 0.0001, "unit": { "type": "LinearUnit", "name": "metres per year", "conversion_factor": 3.16887651727315e-08 }, "id": { "authority": "EPSG", "code": 1040 } }, { "name": "Rate of change of Y-axis translation", "value": 0.0001, "unit": { "type": "LinearUnit", "name": "metres per year", "conversion_factor": 3.16887651727315e-08 }, "id": { "authority": "EPSG", "code": 1041 } }, { "name": "Rate of change of Z-axis translation", "value": -0.0018, "unit": { "type": "LinearUnit", "name": "metres per year", "conversion_factor": 3.16887651727315e-08 }, "id": { "authority": "EPSG", "code": 1042 } }, { "name": "Rate of change of X-axis rotation", "value": -0.384, "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": 1.007, "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": -2.186, "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": 0.08, "unit": { "type": "ScaleUnit", "name": "parts per billion per year", "conversion_factor": 3.16887651727315e-17 }, "id": { "authority": "EPSG", "code": 1046 } }, { "name": "Parameter reference epoch", "value": 1997, "unit": { "type": "TimeUnit", "name": "year", "conversion_factor": 31556925.445 }, "id": { "authority": "EPSG", "code": 1047 } } ], "accuracy": "0.0", "scope": "Geodesy.", "area": "American Samoa, Marshall Islands, United States (USA) - Hawaii, United States minor outlying islands; onshore and offshore.", "bbox": { "south_latitude": -17.56, "west_longitude": 157.47, "north_latitude": 31.8, "east_longitude": -151.27 }, "id": { "authority": "EPSG", "code": 7808 }, "remarks": "Information source gives IGS08 as source CRS: for most practical purposes IGS08 is equivalent to ITRF2008." }
Definition: MapServer - MAPfile
PROJECTION "proj=helmert" "x=0.908" "y=-2.0161" "z=-0.5653" "rx=0.027741" "ry=0.013469" "rz=0.002712" "s=0.0011" "dx=0.0001" "dy=0.0001" "dz=-0.0018" "drx=-0.000384" "dry=0.001007" "drz=-0.002186" "ds=8e-05" "t_epoch=1997" "convention=coordinate_frame" END
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=helmert +x=0.908 +y=-2.0161 +z=-0.5653 +rx=0.027741 +ry=0.013469 +rz=0.002712 +s=0.0011 +dx=0.0001 +dy=0.0001 +dz=-0.0018 +drx=-0.000384 +dry=0.001007 +drz=-0.002186 +ds=8e-05 +t_epoch=1997 +convention=coordinate_frame"> <Layer srs="+proj=helmert +x=0.908 +y=-2.0161 +z=-0.5653 +rx=0.027741 +ry=0.013469 +rz=0.002712 +s=0.0011 +dx=0.0001 +dy=0.0001 +dz=-0.0018 +drx=-0.000384 +dry=0.001007 +drz=-0.002186 +ds=8e-05 +t_epoch=1997 +convention=coordinate_frame"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 7808, 'EPSG', 7808, '+proj=helmert +x=0.908 +y=-2.0161 +z=-0.5653 +rx=0.027741 +ry=0.013469 +rz=0.002712 +s=0.0011 +dx=0.0001 +dy=0.0001 +dz=-0.0018 +drx=-0.000384 +dry=0.001007 +drz=-0.002186 +ds=8e-05 +t_epoch=1997 +convention=coordinate_frame', 'None');
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