SVY21()
Converter for SVY21 to WGS84 coordinates Adapted from https://github.com/cgcai/SVY21
Since
2019-10-21
Author
cgcai The SVY21 class provides functionality to convert between the SVY21 and Lat/Lon coordinate systems. Internally, the class uses the equations specified in the following web page to perform the conversion. http://www.linz.govt.nz/geodetic/conversion-coordinates/projection-conversions/transverse-mercator-preliminary-computations/index.aspx