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This dataset was last updated on LINZ Data Service on 02 Aug 2016.
The GSB26-NZGD2000 grid enables the conversion of normal-orthometric heights from the Gisborne 1926 local vertical datum directly to New Zealand Geodetic Datum 2000 (NZGD2000) ellipsoidal heights.
GSB26-NZGD2000 is published on a one arc-minute grid (approximately 1.8 kilometres) extending over the benchmarks that nominally define the extent of the Gisborne 1926 vertical datum (177.0° E to 178.6° E, 37.4° S to 39.0° S).
The conversion value is represented by the attribute “delta”, in metres.
This grid is a combination of New Zealand Quasigeoid 2016 NZGeoid2016 and the GSB26-NZVD2016 height conversion grid. Where NZGeoid2016 is the reference surface for the New Zealand Vertical Datum 2016 (NZVD2016), while the GSB26-NZVD2016 grid models the difference between the Gisborne 1926 vertical datum and NZVD2016 using the LINZ GPS-levelling marks.
More information on converting heights between vertical datums can be found on the LINZ website.
Creative Commons Attribution 4.0 International
You may use this work for commercial purposes.
You must attribute the creator in your own works.
| Information | |
|---|---|
| Category | Geodetic > Vertical Datum 2016 |
| Tags | LAND-Cadastre, LAND-Geodesy, LAND-Topography, New Zealand |
| Regions | Bay of Plenty Region, Gisborne District |
| Metadata | ISO 19115/19139, Dublin Core |
| Technical Details | |
|---|---|
| Layer ID | 53429 |
| Data type | Vector point | Feature count | 9409 |
| Attributes | longitude, latitude, delta |
| Services | Vector Query API, Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed |
| History | |
|---|---|
| Added | 25 Jul 2016 |
| Last updated | 2 Aug 2016 |
| Revisions | 6 - Browse all revisions |
| Current revision | Imported on Aug. 2, 2016 from Shapefile in NZGD2000. |