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This dataset was first added to LINZ Data Service on 07 Oct 2019.
Dunedin 1958 to NZVD2016 Conversion Raster
LINZ - Land Information New Zealand
2018
The Dunedin 1958 to NZVD2016 Conversion Raster provides users with a two arc-minute (approximately 3.6 kilometres) raster image of the conversion of normal-orthometric heights from the Dunedin 1958 local vertical datum to the New Zealand Vertical Datum 2016 (NZVD2016).
The conversion value is represented by the attribute “O”, in metres.
This conversion and NZVD2016 are formally defined in the LINZ standard [LINZS25009](http://www.linz.govt.nz/regulatory/25009).
The height conversion grid models the difference between the Dunedin 1958 vertical datum and NZVD2016 using the LINZ GPS-levelling marks. From the GPS-levelling marks the expected accuracy is better than 2 centimetres (95% Confidence interval).
More information on converting heights between vertical datums can be found [on the LINZ website](http://www.linz.govt.nz/data/geodetic-services/coordinate-conversion/converting-between-nzvd2016-nzgd2000-and-local-vertical-datums).
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-46.516666405 168.383333335 -43.883333335 171.316666375
northlimit=-43.883333335;eastlimit=171.316666375;southlimit=-46.516666405;westlimit=168.383333335
https://data.linz.govt.nz/layer/103955-dunedin-1958-to-nzvd2016-conversion-raster/
https://data.linz.govt.nz/layer/103955-dunedin-1958-to-nzvd2016-conversion-raster/
grid
eng
New Zealand
location