public void EpsgExample_1_3_7_1_Inverse() { var projection = new ObliqueStereographic( new GeographicCoordinate(0.910296727, 0.094032038), 0.9999079, new Vector2(155000.00, 463000.00), new SpheroidEquatorialInvF(6377397.155, 299.15281) ); var expected = new GeographicCoordinate(0.925024504, 0.104719755); var input = new Point2(196105.283, 557057.739); var result = projection.GetInverse().TransformValue(input); Assert.AreEqual(expected.Latitude, result.Latitude, 0.000000001); Assert.AreEqual(expected.Longitude, result.Longitude, 0.0000000007); }