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Geodetic CRS: ITRF2020
Datum: International Terrestrial Reference Frame 2020
Ellipsoid: GRS 1980
Prime meridian: Greenwich
Data source: EPSG
Information source: National Geodetic Survey (NGS) "HTDP User Guide (Software Version 3.5.0)", December 1, 2022.
Revision date: 2023-04-19
Scope: Spatial referencing.
Method: Time-dependent Coordinate Frame rotation (geocen)
Area of use: Guam, Northern Mariana Islands and Palau; onshore and offshore.
Description: (0,)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["ITRF2020 to NAD83(MA11) (1)", VERSION["NGS-MA"], SOURCECRS[ GEODCRS["ITRF2020", DYNAMIC[ FRAMEEPOCH[2015]], DATUM["International Terrestrial Reference Frame 2020", 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",9988]]], TARGETCRS[ GEODCRS["NAD83(MA11)", DATUM["NAD83 (National Spatial Reference System MA11)", 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",6323]]], METHOD["Time-dependent Coordinate Frame rotation (geocen)", ID["EPSG",1056]], PARAMETER["X-axis translation",909.5, LENGTHUNIT["millimetre",0.001], ID["EPSG",8605]], PARAMETER["Y-axis translation",-2013.3, LENGTHUNIT["millimetre",0.001], ID["EPSG",8606]], PARAMETER["Z-axis translation",-585.9, LENGTHUNIT["millimetre",0.001], ID["EPSG",8607]], PARAMETER["X-axis rotation",28.711, ANGLEUNIT["milliarc-second",4.84813681109536E-09], ID["EPSG",8608]], PARAMETER["Y-axis rotation",11.785, ANGLEUNIT["milliarc-second",4.84813681109536E-09], ID["EPSG",8609]], PARAMETER["Z-axis rotation",4.417, ANGLEUNIT["milliarc-second",4.84813681109536E-09], ID["EPSG",8610]], PARAMETER["Scale difference",1.7, 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, LENGTHUNIT["millimetres per year",3.16887651727315E-11], ID["EPSG",1041]], PARAMETER["Rate of change of Z-axis translation",-1.7, LENGTHUNIT["millimetres per year",3.16887651727315E-11], ID["EPSG",1042]], PARAMETER["Rate of change of X-axis rotation",-0.02, ANGLEUNIT["milliarc-seconds per year",1.53631468932076E-16], ID["EPSG",1043]], PARAMETER["Rate of change of Y-axis rotation",0.105, ANGLEUNIT["milliarc-seconds per year",1.53631468932076E-16], ID["EPSG",1044]], PARAMETER["Rate of change of Z-axis rotation",-0.347, ANGLEUNIT["milliarc-seconds per year",1.53631468932076E-16], ID["EPSG",1045]], PARAMETER["Rate of change of Scale difference",0.11, 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["Spatial referencing."], AREA["Guam, Northern Mariana Islands and Palau; onshore and offshore."], BBOX[1.64,129.48,23.9,149.55]], ID["EPSG",10338]]
Definition: JavaScript (Proj4js)
proj4.defs("EPSG:10338","+proj=helmert +x=0.9095 +y=-2.0133 +z=-0.5859 +rx=0.028711 +ry=0.011785 +rz=0.004417 +s=0.0017 +dx=0.0001 +dy=0 +dz=-0.0017 +drx=-2e-05 +dry=0.000105 +drz=-0.000347 +ds=0.00011 +t_epoch=2010 +convention=coordinate_frame");
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Transformation", "name": "ITRF2020 to NAD83(MA11) (1)", "source_crs": { "type": "GeodeticCRS", "name": "ITRF2020", "datum": { "type": "DynamicGeodeticReferenceFrame", "name": "International Terrestrial Reference Frame 2020", "frame_reference_epoch": 2015, "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": 9988 } }, "target_crs": { "type": "GeodeticCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "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": 6323 } }, "method": { "name": "Time-dependent Coordinate Frame rotation (geocen)", "id": { "authority": "EPSG", "code": 1056 } }, "parameters": [ { "name": "X-axis translation", "value": 909.5, "unit": { "type": "LinearUnit", "name": "millimetre", "conversion_factor": 0.001 }, "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": -2013.3, "unit": { "type": "LinearUnit", "name": "millimetre", "conversion_factor": 0.001 }, "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": -585.9, "unit": { "type": "LinearUnit", "name": "millimetre", "conversion_factor": 0.001 }, "id": { "authority": "EPSG", "code": 8607 } }, { "name": "X-axis rotation", "value": 28.711, "unit": { "type": "AngularUnit", "name": "milliarc-second", "conversion_factor": 4.84813681109536e-09 }, "id": { "authority": "EPSG", "code": 8608 } }, { "name": "Y-axis rotation", "value": 11.785, "unit": { "type": "AngularUnit", "name": "milliarc-second", "conversion_factor": 4.84813681109536e-09 }, "id": { "authority": "EPSG", "code": 8609 } }, { "name": "Z-axis rotation", "value": 4.417, "unit": { "type": "AngularUnit", "name": "milliarc-second", "conversion_factor": 4.84813681109536e-09 }, "id": { "authority": "EPSG", "code": 8610 } }, { "name": "Scale difference", "value": 1.7, "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, "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": -1.7, "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": -0.02, "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": 0.105, "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": -0.347, "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": 0.11, "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": "Spatial referencing.", "area": "Guam, Northern Mariana Islands and Palau; onshore and offshore.", "bbox": { "south_latitude": 1.64, "west_longitude": 129.48, "north_latitude": 23.9, "east_longitude": 149.55 }, "id": { "authority": "EPSG", "code": 10338 } }
Definition: MapServer - MAPfile
PROJECTION "proj=helmert" "x=0.9095" "y=-2.0133" "z=-0.5859" "rx=0.028711" "ry=0.011785" "rz=0.004417" "s=0.0017" "dx=0.0001" "dy=0" "dz=-0.0017" "drx=-2e-05" "dry=0.000105" "drz=-0.000347" "ds=0.00011" "t_epoch=2010" "convention=coordinate_frame" END
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=helmert +x=0.9095 +y=-2.0133 +z=-0.5859 +rx=0.028711 +ry=0.011785 +rz=0.004417 +s=0.0017 +dx=0.0001 +dy=0 +dz=-0.0017 +drx=-2e-05 +dry=0.000105 +drz=-0.000347 +ds=0.00011 +t_epoch=2010 +convention=coordinate_frame"> <Layer srs="+proj=helmert +x=0.9095 +y=-2.0133 +z=-0.5859 +rx=0.028711 +ry=0.011785 +rz=0.004417 +s=0.0017 +dx=0.0001 +dy=0 +dz=-0.0017 +drx=-2e-05 +dry=0.000105 +drz=-0.000347 +ds=0.00011 +t_epoch=2010 +convention=coordinate_frame"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 10338, 'EPSG', 10338, '+proj=helmert +x=0.9095 +y=-2.0133 +z=-0.5859 +rx=0.028711 +ry=0.011785 +rz=0.004417 +s=0.0017 +dx=0.0001 +dy=0 +dz=-0.0017 +drx=-2e-05 +dry=0.000105 +drz=-0.000347 +ds=0.00011 +t_epoch=2010 +convention=coordinate_frame', 'None');
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