EPSG:102581Projected
NTF France I (degrees)
Type
Projected
Unit
—
Area of use
France - mainland north of 48.15~N
proj4 definition
+proj=lcc +lat_1=49.5 +lat_0=49.5 +lon_0=2.33722916666667 +k_0=0.999877341 +x_0=600000 +y_0=1200000 +ellps=clrk80ign +units=m +no_defs +type=crs
Well-Known Text (WKT)
PROJCS["NTF_France_I_degrees",GEOGCS["NTF",DATUM["Nouvelle_Triangulation_Francaise",SPHEROID["Clarke 1880 (IGN)",6378249.2,293.466021293627,AUTHORITY["EPSG","7011"]],AUTHORITY["EPSG","6275"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4275"]],PROJECTION["Lambert_Conformal_Conic_1SP"],PARAMETER["latitude_of_origin",49.5],PARAMETER["central_meridian",2.33722916666667],PARAMETER["scale_factor",0.999877341],PARAMETER["false_easting",600000],PARAMETER["false_northing",1200000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["ESRI","102581"]]