[QGIS-ZA-user] NTv2 Datum Transformation Grid

[Craig Leat]

Thanks so much Lourens!

On Tue, 8 Nov 2022 at 20:58, Lourens van Zyl <lourens at terragis.co.za> wrote:

> Craig
>
>
>
> One file for entire country.
>
> Sent via WeTransfer to your e-mail.
>
>
>
> Kind regards
>
>
>
>
>
> *From:* qgis-za-user <qgis-za-user-bounces at lists.osgeo.org> *On Behalf Of
> *Craig Leat via qgis-za-user
> *Sent:* Tuesday, 08 November 2022 8:24 PM
> *To:* qgis-za-user at lists.osgeo.org
> *Cc:* Craig Leat <craig.leat at gmail.com>
> *Subject:* [QGIS-ZA-user] NTv2 Datum Transformation Grid
>
>
>
> Hi,
>
>
>
> I have SG Diagrams using the Cape Datum and I need to transform these to
> the Hartebeesthoek94 datum using the NTv2 datum transformation grid. QGIS
> can take a custom proj definition with the option
> +nadgrids=nameoftheNTv2file.gsb
>
>
>
> Does anyone know where I can obtain the NTv2 grid (the .gsb file)? I don't
> know if there is one file for the whole country or one for each degree
> square.
>
>
>
> Regards
>
>
>
> Craig
>
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