--- a
+++ b/omgm/wkt_gm.prf
@@ -0,0 +1 @@
+PROJCS["Google Mercator",  GEOGCS["WGS 84",    DATUM["World Geodetic System 1984",      SPHEROID["WGS 84", 6378137.0, 298.257223563, AUTHORITY["EPSG","7030"]],      AUTHORITY["EPSG","6326"]],    PRIMEM["Greenwich", 0.0, AUTHORITY["EPSG","8901"]],    UNIT["degree", 0.017453292519943295],    AXIS["Geodetic latitude", NORTH],    AXIS["Geodetic longitude", EAST],    AUTHORITY["EPSG","4326"]],  PROJECTION["Mercator_1SP"],  PARAMETER["semi_minor", 6378137.0],  PARAMETER["latitude_of_origin", 0.0],  PARAMETER["central_meridian", 0.0],  PARAMETER["scale_factor", 1.0],  PARAMETER["false_easting", 0.0],  PARAMETER["false_northing", 0.0],  UNIT["m", 1.0],  AXIS["Easting", EAST],  AXIS["Northing", NORTH],  AUTHORITY["EPSG","900913"]]