Well Known Text
 
WKT Version 2
PROJCRS["Tananarive (Paris) / Laborde Grid",BASEGEOGCRS["Tananarive (Paris)",DATUM["Tananarive 1925 (Paris)",ELLIPSOID["International 1924",6378388,297,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",7022]],ID["EPSG",6810]],PRIMEM["Paris",0.040792344,ANGLEUNIT["radian",1,ID["EPSG",9101]],ID["EPSG",8903]],ID["EPSG",4810]],CONVERSION["Laborde Grid approximation",METHOD["Hotine Oblique Mercator (variant B)",ID["EPSG",9815]],PARAMETER["Latitude of projection centre",-21,ANGLEUNIT["grad",0.015707963267949,ID["EPSG",9105]],ID["EPSG",8811]],PARAMETER["Longitude of projection centre",49,ANGLEUNIT["grad",0.015707963267949,ID["EPSG",9105]],ID["EPSG",8812]],PARAMETER["Azimuth at projection centre",21,ANGLEUNIT["grad",0.015707963267949,ID["EPSG",9105]],ID["EPSG",8813]],PARAMETER["Angle from Rectified to Skew Grid",21,ANGLEUNIT["grad",0.015707963267949,ID["EPSG",9105]],ID["EPSG",8814]],PARAMETER["Scale factor at projection centre",0.9995,SCALEUNIT["unity",1,ID["EPSG",9201]],ID["EPSG",8815]],PARAMETER["Easting at projection centre",400000,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",8816]],PARAMETER["Northing at projection centre",800000,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",8817]],ID["EPSG",19911]],CS[Cartesian,2,ID["EPSG",4499]],AXIS["Easting (X)",east],AXIS["Northing (Y)",north],LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",29700]]


