[Proj] Dutch correction grid

[Jan Hartmann]

On 8-4-2011 19:09, Frank Warmerdam wrote:
>
> Jan,
>
> Ah, I had not paid close enough attention to realize the above.  I think
> it can still work if you convert the shifts into arcseconds.  Note that
> the shifts will be applied in PROJ.4 by converting to lat/long, applying
> the shift, and shifting back.  There may be some subtleties to how you
> setup your coordinate system definitions to trigger proper use of the
> NTv2 file.
>
This agrees with the previous message by Maxime Sequin. Just to be sure: 
can I use either "@nadgrids=ntv2 binary file" or "@nadgrids=GDAL raster 
file" interchangeably?

Jan