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Geodetic CRS: ITRF94
Datum: International Terrestrial Reference Frame 1994
Ellipsoid: GRS 1980
Prime meridian: Greenwich
Data source: EPSG
Information source: "The Evolution of NAD83 in Canada", M. Craymer, Geodetic Survey Division, Natural Resources Canada, in Geomatica Volume 60, No. 2, 2006.
Revision date: 2019-09-17
Scope: Geodesy. Defines NAD83(CSRS96).
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)
Description: (0,)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["ITRF94 to NAD83(CSRS96) (1)", VERSION["NRC-Can CSRS96 94"], SOURCECRS[ 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]]], TARGETCRS[ GEODCRS["NAD83(CSRS96)", DATUM["North American Datum of 1983 (CSRS96)", 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",8230]]], METHOD["Time-dependent Position Vector tfm (geocentric)", ID["EPSG",1053]], PARAMETER["X-axis translation",0.942, LENGTHUNIT["metre",1], ID["EPSG",8605]], PARAMETER["Y-axis translation",-1.979, LENGTHUNIT["metre",1], ID["EPSG",8606]], PARAMETER["Z-axis translation",-0.534, LENGTHUNIT["metre",1], ID["EPSG",8607]], PARAMETER["X-axis rotation",-27.3, ANGLEUNIT["milliarc-second",4.84813681109536E-09], ID["EPSG",8608]], PARAMETER["Y-axis rotation",-15.4, ANGLEUNIT["milliarc-second",4.84813681109536E-09], ID["EPSG",8609]], PARAMETER["Z-axis rotation",-10.7, ANGLEUNIT["milliarc-second",4.84813681109536E-09], ID["EPSG",8610]], PARAMETER["Scale difference",4.9, SCALEUNIT["parts per billion",1E-09], ID["EPSG",8611]], PARAMETER["Rate of change of X-axis translation",-0.0004, LENGTHUNIT["metres per year",3.16887651727315E-08], ID["EPSG",1040]], PARAMETER["Rate of change of Y-axis translation",0.0004, LENGTHUNIT["metres per year",3.16887651727315E-08], ID["EPSG",1041]], PARAMETER["Rate of change of Z-axis translation",-0.0008, LENGTHUNIT["metres per year",3.16887651727315E-08], ID["EPSG",1042]], PARAMETER["Rate of change of X-axis rotation",-0.052, ANGLEUNIT["milliarc-seconds per year",1.53631468932076E-16], ID["EPSG",1043]], PARAMETER["Rate of change of Y-axis rotation",0.762, ANGLEUNIT["milliarc-seconds per year",1.53631468932076E-16], ID["EPSG",1044]], PARAMETER["Rate of change of Z-axis rotation",0.032, 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[0.0], USAGE[ SCOPE["Geodesy. Defines NAD83(CSRS96)."], AREA["Canada - onshore and offshore - Alberta; British Columbia; Manitoba; New Brunswick; Newfoundland and Labrador; Northwest Territories; Nova Scotia; Nunavut; Ontario; Prince Edward Island; Quebec; Saskatchewan; Yukon."], BBOX[38.21,-141.01,86.46,-40.73]], ID["EPSG",8258], REMARK["Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m."]]
Definition: JavaScript (Proj4js)
proj4.defs("EPSG:8258","+proj=helmert +x=0.942 +y=-1.979 +z=-0.534 +rx=-0.0273 +ry=-0.0154 +rz=-0.0107 +s=0.0049 +dx=-0.0004 +dy=0.0004 +dz=-0.0008 +drx=-5.2e-05 +dry=0.000762 +drz=3.2e-05 +ds=0 +t_epoch=1988 +convention=position_vector");
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Transformation", "name": "ITRF94 to NAD83(CSRS96) (1)", "source_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 } }, "target_crs": { "type": "GeodeticCRS", "name": "NAD83(CSRS96)", "datum": { "type": "GeodeticReferenceFrame", "name": "North American Datum of 1983 (CSRS96)", "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": 8230 } }, "method": { "name": "Time-dependent Position Vector tfm (geocentric)", "id": { "authority": "EPSG", "code": 1053 } }, "parameters": [ { "name": "X-axis translation", "value": 0.942, "unit": "metre", "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": -1.979, "unit": "metre", "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": -0.534, "unit": "metre", "id": { "authority": "EPSG", "code": 8607 } }, { "name": "X-axis rotation", "value": -27.3, "unit": { "type": "AngularUnit", "name": "milliarc-second", "conversion_factor": 4.84813681109536e-09 }, "id": { "authority": "EPSG", "code": 8608 } }, { "name": "Y-axis rotation", "value": -15.4, "unit": { "type": "AngularUnit", "name": "milliarc-second", "conversion_factor": 4.84813681109536e-09 }, "id": { "authority": "EPSG", "code": 8609 } }, { "name": "Z-axis rotation", "value": -10.7, "unit": { "type": "AngularUnit", "name": "milliarc-second", "conversion_factor": 4.84813681109536e-09 }, "id": { "authority": "EPSG", "code": 8610 } }, { "name": "Scale difference", "value": 4.9, "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": -0.0004, "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": 0.0004, "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": -0.0008, "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": -0.052, "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": 0.762, "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": 0.032, "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": "0.0", "scope": "Geodesy. Defines NAD83(CSRS96).", "area": "Canada - onshore and offshore - Alberta; British Columbia; Manitoba; New Brunswick; Newfoundland and Labrador; Northwest Territories; Nova Scotia; Nunavut; Ontario; Prince Edward Island; Quebec; Saskatchewan; Yukon.", "bbox": { "south_latitude": 38.21, "west_longitude": -141.01, "north_latitude": 86.46, "east_longitude": -40.73 }, "id": { "authority": "EPSG", "code": 8258 }, "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=0.942" "y=-1.979" "z=-0.534" "rx=-0.0273" "ry=-0.0154" "rz=-0.0107" "s=0.0049" "dx=-0.0004" "dy=0.0004" "dz=-0.0008" "drx=-5.2e-05" "dry=0.000762" "drz=3.2e-05" "ds=0" "t_epoch=1988" "convention=position_vector" END
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=helmert +x=0.942 +y=-1.979 +z=-0.534 +rx=-0.0273 +ry=-0.0154 +rz=-0.0107 +s=0.0049 +dx=-0.0004 +dy=0.0004 +dz=-0.0008 +drx=-5.2e-05 +dry=0.000762 +drz=3.2e-05 +ds=0 +t_epoch=1988 +convention=position_vector"> <Layer srs="+proj=helmert +x=0.942 +y=-1.979 +z=-0.534 +rx=-0.0273 +ry=-0.0154 +rz=-0.0107 +s=0.0049 +dx=-0.0004 +dy=0.0004 +dz=-0.0008 +drx=-5.2e-05 +dry=0.000762 +drz=3.2e-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 ( 8258, 'EPSG', 8258, '+proj=helmert +x=0.942 +y=-1.979 +z=-0.534 +rx=-0.0273 +ry=-0.0154 +rz=-0.0107 +s=0.0049 +dx=-0.0004 +dy=0.0004 +dz=-0.0008 +drx=-5.2e-05 +dry=0.000762 +drz=3.2e-05 +ds=0 +t_epoch=1988 +convention=position_vector', 'None');
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