[Geowanking] Open-source least squares network solution?

[Norman Vine]

Phillip C. Dibner writes:
> 
> Hello all.  I have been looking for some open source code 
> that solves an arbitrary survey network in 2D.  Least squares 
> solution, with the ability to weight points, would be ideal.  
> 3D wouldn't hurt either, but isn't necessary.

Should be able to adjust this to suit

http://www.ngs.noaa.gov/PC_PROD/ADJUST/

Cheers

Norman