[Proj] Dutch correction grid

[Jan Hartmann]

If someone could give me some pointers to the grid shift format and the 
way it is used in PROJ, I will have a go at producing a grid shift file 
from this spreadsheet. Where did you get it from, Bart?

Jan

On 7-4-2011 9:18, Bart van den Eijnden (OSGIS) wrote:
> Hi,
>
> did anybody ever attempt to transform the information from the Dutch
> correction grid into a format for a datum shift grid file that PROJ.4 can
> read?
>
> http://www.rdnap.nl/images/Landelijk%20correctiegrid%20nieuwe%20NAP-publicatie_tcm174-280038.xls
>
> Best regards,
> Bart
>
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