public void Svy21ToLatLongTest()
{
LatLongCoordinate expected, actual;
Svy21Coordinate test;
// SVY21 reference point.
expected = new LatLongCoordinate(1.366666, 103.833333);
test = new Svy21Coordinate(38744.572, 28001.642);
actual = Svy21.ComputeLatitudeLongitude(test);
Assert.AreEqual(expected.Latitude, actual.Latitude, ToleranceLatLong);
Assert.AreEqual(expected.Longitude, actual.Longitude, ToleranceLatLong);
// Corner of Ang Mo Kio 66kV Substation.
expected = new LatLongCoordinate(1.3699278977737488, 103.856950349764668);
test = new Svy21Coordinate(39105.269, 30629.967);
actual = Svy21.ComputeLatitudeLongitude(test);
Assert.AreEqual(expected.Latitude, actual.Latitude, ToleranceLatLong);
Assert.AreEqual(expected.Longitude, actual.Longitude, ToleranceLatLong);
// Corner of Jurong Lake Canal 400kV Cable Bridge.
expected = new LatLongCoordinate(1.3446255443241177, 103.72794378041792);
test = new Svy21Coordinate(36307.704, 16272.970);
actual = Svy21.ComputeLatitudeLongitude(test);
Assert.AreEqual(expected.Latitude, actual.Latitude, ToleranceLatLong);
Assert.AreEqual(expected.Longitude, actual.Longitude, ToleranceLatLong);
// Corner of Sembawang 66kV Substation.
expected = new LatLongCoordinate(1.4520670518379692, 103.83080332777138);
test = new Svy21Coordinate(48187.789, 27720.130);
actual = Svy21.ComputeLatitudeLongitude(test);
Assert.AreEqual(expected.Latitude, actual.Latitude, ToleranceLatLong);
Assert.AreEqual(expected.Longitude, actual.Longitude, ToleranceLatLong);
}
public static LatLongCoordinate ComputeLatitudeLongitude(Svy21Coordinate coordinate)
{
return(ComputeLatitudeLongitude(coordinate.Northing, coordinate.Easting));
}
public static LatLongCoordinate ComputeLatitudeLongitude(Svy21Coordinate coordinate)
{
return ComputeLatitudeLongitude(coordinate.Northing, coordinate.Easting);
}