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Geodetic CRS: ITRF97
Datum: International Terrestrial Reference Frame 1997
Ellipsoid: GRS 1980
Prime meridian: Greenwich
Data source: EPSG
Information source: Boucher and Altamimi "Memo : Specifications for reference frame fixing in the analysis of a EUREF GPS campaign" (http://etrs89.ensg.ign.fr/memo-V8.pdf)
Revision date: 2019-07-17
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)
Description: (0,)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["ITRF97 to ETRF2000 (1)", VERSION["EUREF-Eur 2000"], 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["ETRF2000", DATUM["European 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",7930]]], METHOD["Time-dependent Position Vector tfm (geocentric)", ID["EPSG",1053]], PARAMETER["X-axis translation",47.3, LENGTHUNIT["millimetre",0.001], ID["EPSG",8605]], PARAMETER["Y-axis translation",46.7, LENGTHUNIT["millimetre",0.001], ID["EPSG",8606]], PARAMETER["Z-axis translation",-25.3, LENGTHUNIT["millimetre",0.001], ID["EPSG",8607]], PARAMETER["X-axis rotation",0.891, ANGLEUNIT["milliarc-second",4.84813681109536E-09], ID["EPSG",8608]], PARAMETER["Y-axis rotation",5.39, ANGLEUNIT["milliarc-second",4.84813681109536E-09], ID["EPSG",8609]], PARAMETER["Z-axis rotation",-8.772, ANGLEUNIT["milliarc-second",4.84813681109536E-09], ID["EPSG",8610]], PARAMETER["Scale difference",-1.58, SCALEUNIT["parts per billion",1E-09], ID["EPSG",8611]], PARAMETER["Rate of change of X-axis translation",0, LENGTHUNIT["millimetres per year",3.16887651727315E-11], ID["EPSG",1040]], PARAMETER["Rate of change of Y-axis translation",0.6, LENGTHUNIT["millimetres per year",3.16887651727315E-11], ID["EPSG",1041]], PARAMETER["Rate of change of Z-axis translation",1.4, LENGTHUNIT["millimetres per year",3.16887651727315E-11], ID["EPSG",1042]], PARAMETER["Rate of change of X-axis rotation",0.081, ANGLEUNIT["milliarc-seconds per year",1.53631468932076E-16], ID["EPSG",1043]], PARAMETER["Rate of change of Y-axis rotation",0.49, ANGLEUNIT["milliarc-seconds per year",1.53631468932076E-16], ID["EPSG",1044]], PARAMETER["Rate of change of Z-axis rotation",-0.812, ANGLEUNIT["milliarc-seconds per year",1.53631468932076E-16], ID["EPSG",1045]], PARAMETER["Rate of change of Scale difference",-0.01, SCALEUNIT["parts per billion per year",3.16887651727315E-17], ID["EPSG",1046]], PARAMETER["Parameter reference epoch",2000, TIMEUNIT["year",31556925.445], ID["EPSG",1047]], OPERATIONACCURACY[0.0], USAGE[ SCOPE["Geodesy."], AREA["Europe - onshore and offshore: Albania; Andorra; Austria; Belgium; Bosnia and Herzegovina; Bulgaria; Croatia; Cyprus; Czechia; Denmark; Estonia; Faroe Islands; Finland; France; Germany; Gibraltar; Greece; Hungary; Ireland; Italy; Kosovo; Latvia; Liechtenstein; Lithuania; Luxembourg; Malta; Moldova; Monaco; Montenegro; Netherlands; North Macedonia; Norway including Svalbard and Jan Mayen; Poland; Portugal; Romania; San Marino; Serbia; Slovakia; Slovenia; Spain; Sweden; Switzerland; United Kingdom (UK) including Channel Islands and Isle of Man; Vatican City State."], BBOX[32.88,-16.1,84.73,40.18]], ID["EPSG",7949], 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:7949","+proj=helmert +x=0.0473 +y=0.0467 +z=-0.0253 +rx=0.000891 +ry=0.00539 +rz=-0.008772 +s=-0.00158 +dx=0 +dy=0.0006 +dz=0.0014 +drx=8.1e-05 +dry=0.00049 +drz=-0.000812 +ds=-1e-05 +t_epoch=2000 +convention=position_vector");
Definition: JSON
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Andorra; Austria; Belgium; Bosnia and Herzegovina; Bulgaria; Croatia; Cyprus; Czechia; Denmark; Estonia; Faroe Islands; Finland; France; Germany; Gibraltar; Greece; Hungary; Ireland; Italy; Kosovo; Latvia; Liechtenstein; Lithuania; Luxembourg; Malta; Moldova; Monaco; Montenegro; Netherlands; North Macedonia; Norway including Svalbard and Jan Mayen; Poland; Portugal; Romania; San Marino; Serbia; Slovakia; Slovenia; Spain; Sweden; Switzerland; United Kingdom (UK) including Channel Islands and Isle of Man; Vatican City State.", "bbox": { "south_latitude": 32.88, "west_longitude": -16.1, "north_latitude": 84.73, "east_longitude": 40.18 }, "id": { "authority": "EPSG", "code": 7949 }, "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=0.0473" "y=0.0467" "z=-0.0253" "rx=0.000891" "ry=0.00539" "rz=-0.008772" "s=-0.00158" "dx=0" "dy=0.0006" "dz=0.0014" "drx=8.1e-05" "dry=0.00049" "drz=-0.000812" "ds=-1e-05" "t_epoch=2000" "convention=position_vector" END
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=helmert +x=0.0473 +y=0.0467 +z=-0.0253 +rx=0.000891 +ry=0.00539 +rz=-0.008772 +s=-0.00158 +dx=0 +dy=0.0006 +dz=0.0014 +drx=8.1e-05 +dry=0.00049 +drz=-0.000812 +ds=-1e-05 +t_epoch=2000 +convention=position_vector"> <Layer srs="+proj=helmert +x=0.0473 +y=0.0467 +z=-0.0253 +rx=0.000891 +ry=0.00539 +rz=-0.008772 +s=-0.00158 +dx=0 +dy=0.0006 +dz=0.0014 +drx=8.1e-05 +dry=0.00049 +drz=-0.000812 +ds=-1e-05 +t_epoch=2000 +convention=position_vector"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 7949, 'EPSG', 7949, '+proj=helmert +x=0.0473 +y=0.0467 +z=-0.0253 +rx=0.000891 +ry=0.00539 +rz=-0.008772 +s=-0.00158 +dx=0 +dy=0.0006 +dz=0.0014 +drx=8.1e-05 +dry=0.00049 +drz=-0.000812 +ds=-1e-05 +t_epoch=2000 +convention=position_vector', 'None');
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