[Proj] New Zealand Map grid projection

Hamish hamish_b at yahoo.com
Mon Mar 28 17:11:56 EST 2011

> The result is actually the same as without specifying the
> datum, so I guess the datum shift has not been performed...
>      $ cs2cs +proj=nzmg +datum=nzgd49 +lat_0=-41.0 +lon_0=173.0
> +x_0=2510000 +y_0=6023150 +a=6378388 +rf=297 +no_defs
> +nadgrids=nzgd2kgrid0005.gsb +to_meter=1.0  +to +proj=utm
> +zone=60 +south +datum=WGS84    

does /usr/share/proj/nzgd2kgrid0005.gsb exist on your system?

proj4 tends to fail silently sometimes..



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