[Proj] Molodensky transformation parameters

Daniel Morissette dmorissette at dmsolutions.ca
Fri Oct 8 19:14:31 EDT 2004

Craig Bruce wrote:
> Is there some place I can get a handy-dandy list of Molodensky
> transformation parameters for use with the "towgs84=" PROJ parameter?
> Of particular importance to me at the moment are Australian ones: AGD66,
> AGD84, GDA94.

MapInfo has published a set of files with the list of parameters for all 
the datums that their software supports:


My understanding is that those parameters are what "towgs84=" expects. 
I'm sure there must be a more "official" resource than that file, but 
hopefully that will help until someone more knowledgeable replies.

  Daniel Morissette               dmorissette at dmsolutions.ca
  DM Solutions Group              http://www.dmsolutions.ca/

More information about the Proj mailing list