EPSG:3949Projected
RGF93 v1 / CC49
Tipo
Projected
Unità
metre
Accuratezza
1 m
Area d'uso
France - mainland onshore between 48°N and 50°N.
Definizione proj4
+proj=lcc +lat_0=49 +lon_0=3 +lat_1=48.25 +lat_2=49.75 +x_0=1700000 +y_0=8200000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs
Well-Known Text (WKT)
PROJCS["RGF93 v1 / CC49",GEOGCS["RGF93 v1",DATUM["Reseau_Geodesique_Francais_1993_v1",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4171"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",49],PARAMETER["central_meridian",3],PARAMETER["standard_parallel_1",48.25],PARAMETER["standard_parallel_2",49.75],PARAMETER["false_easting",1700000],PARAMETER["false_northing",8200000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3949"]]