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• Services disclaimer

  The Southern Positioning Augmentation Network (SouthPAN) is a satellite-based augmentation system that provides positioning and navigation services for users in Australia and New Zealand.
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  • Geodetic

• Geodetic software and downloads

  We provide specialist geodetic products such as transformation grids and geodetic software. These are used for geodetic network adjustments and converting data between coordinate systems in New Zealand.
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  • Geodetic

• PositioNZ

  The Toitū Te Whenua PositioNZ network consists of 39 continuously operating reference stations (CORS) located throughout New Zealand (including the Chatham Islands) and Antarctica.
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  • Geodetic

• Changes to Control Mark Orders

  The Orders of control marks have been updated to reflect the accuracy definitions in the LINZS25005 and LINZS25006 standards.
  Guidance

  • Geodetic

• Ross Dependency (Antarctica): Current and Future Geodetic Activities

  This reports details the current geodetic activities of Land Information NZ in the Ross Dependency and summaries the work of other New Zealand and overseas agencies.
  Resource

  • Geodetic

• Proposal for Continuous Access to the NZ Spatial Infrastructure

  This report discusses LINZ plans to update its requirements for providing access to the New Zealand spatial infrastructure.
  Resource

  • Geodetic

• Implementation of a Deformation Model for NZGD2000

  This document presents some of the options and issues associated with the implementation of a deformation model, and proposes a more advanced model that can be used.
  Resource

  • Geodetic

• Consultancy services for coordinates for PositioNZonLine, Phase 2

  In support of LINZ’s PositioNZonLine automated positioning service we have completed a set of work with three major aims.
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  • Geodetic

• Economic Issues Regarding LINZ Conversion of its Precision Reference Network to Real Time Status

  This paper considers the economic benefits that can be expected to arise from the upgrading of Land Information New Zealand’s (LINZ) network of Continuously Operating Reference Stations (CORS) to Real Time status and the costs of making that network…
  Resource

  • Geodetic

• Computation of a new gravimetric quasigeoid model for New Zealand

  This report describes the computation of NZGeoid09, a new gravimetric quasigeoid model for New Zealand, computed at the Western Australian Centre for Geodesy under contract #CON-SE-DSS-TS-45245-3 to Land Information New Zealand (LINZ).
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  • Geodetic

• NZGD2000 Deformation Model Format

  This document describes the format used to publish the New Zealand Geodetic Datum 2000 (NZGD2000) deformation model.
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  • Geodetic

• Transforming between ITRF and NZGD2000

  New Zealand Geodetic Datum 2000 (NZGD2000) is aligned with the International Terrestrial Reference Frame 1996 (ITRF96) and referenced to epoch 2000.0. However the NZGD2000 coordinates also include the deformation due to earthquakes since 2000, which have…
  Resource

  • Geodetic

• New Zealand Map Grid - Department of Lands and Survey Technical Circular

  The following document is a scanned image of the Department of Land and Survey Technical Circular 1973/32 that describes the technical details of the New Zealand Map Grid.
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  • Geodetic

• Guidelines for Simplified Geodetic Control Survey

  This guideline was developed to assist surveyors providing geodetic control survey data to Toitū Te Whenua.
  Resource

  • Geodetic

• Geodetic marks

  We manage and maintain physical geodetic marks throughout New Zealand (including the offshore islands) and Antarctica. This section provides information about accessing mark information and downloading mark data.
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  • Geodetic

• PositioNZ–PP expected accuracy

  Expected accuracy of the Toitū Te Whenua PositioNZ Post Processing Service (PositioNZ-PP), and how to improve the accuracy of the output coordinate.
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  • Geodetic

• PositioNZ - Post Processing Service (PositioNZ-PP)

  The Toitū Te Whenua PositioNZ Post Processing Service (PositioNZ-PP) is a free, automated service that processes global navigation satellite system (GNSS) data to accurately determine the coordinates of a static point.
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  • Geodetic

• World Geodetic System 1984 (WGS84)

  The World Geodetic System 1984 (WGS84) is a global datum, used for determining positions on the Earth's surface. The WGS84 is a reference system used by the satellite navigation systems like GPS and is used in various mapping applications.
  Guidance

  • Geodetic

• New Zealand Geodetic Datum 1949 ‘D’ Coordinates

  New Zealand Geodetic Datum 1949 (NZGD1949) ‘D’ coordinates were computed and adjusted in terms of New Zealand Geodetic Datum 2000 (NZGD2000) and then transformed into NZGD1949 using a grid transformation.
  Guidance

  • Geodetic

• Determining local vertical datum (LVD) heights

  The nature of the local vertical datum (LVD) networks can lead to inconsistencies, depending on the source of the heights used. This can create challenges and is why New Zealand Vertical Datum 2016 (NZVD2016) should be used whenever possible.
  Guidance

  • Geodetic

• NZVD2016 information for councils

  The New Zealand Vertical Datum 2016 (NZVD2016) was introduced to replace the various local height datums used throughout the country. It enables the consistent collection and seamless exchange of heights across New Zealand. Older datums are still in use…
  Guidance

  • Geodetic

• New Zealand Continental Shelf Lambert Conformal 2000 (NZCS2000)

  New Zealand Continental Shelf Lambert Conformal 2000 (NZCS2000) projection is used for mapping and representing spatial data covering the New Zealand continental shelf.
  Guidance

  • Geodetic

• Coordinate and height orders

  This page contains information on the orders that define the accuracy of coordinates and heights in New Zealand.
  Guidance

  • Geodetic

• Historic coordinate and height orders

  In May 2010, a new set of orders for positions and heights was introduced for New Zealand and the Ross Sea Region. This led to revisions in how coordinate accuracy is determined and displayed. This section also covers other order systems, including…
  Guidance

  • Geodetic

• Reclassification of order 5 (5a) control marks

  In 2010, 5a control marks were reclassified from order 5 to order 6. They have since been tested against the standards and the appropriate orders assigned.
  Guidance

  • Geodetic

• Geodetic publications and presentations

  We publish information that describes the implementation and use of New Zealand’s geodetic system. This information is provided to support users of geodetic data and provides background information for research purposes. This section includes geodetic…
  Guidance

  • Geodetic

• Lambert conformal conic transformations

  The mathematical parameters and equations used to convert geodetic datum coordinates to and from a Lambert conformal conic projection.
  Guidance

  • Geodetic

• NZGD2000: A semi-dynamic datum

  New Zealand Geodetic Datum (NZGD2000) is a semi-dynamic datum. This means that the effects of plate tectonics are considered as part of the processes and frameworks when determining a coordinate for a position. However, the impact might not be immediately…
  Guidance

  • Geodetic

• Chatham Islands Geodetic Datum 1979 (CIGD1979)

  Chatham Islands Geodetic Datum 1979 (CIGD1979) was previously used to define positions on the Chatham Islands. New Zealand Geodetic Datum 2000 (NZGD2000) is now the official datum used in the Chatham Islands, superseding CIG1979 from March 1998.
  Guidance

  • Geodetic

• Chatham Islands Geodetic Datum 1971 (CIGD1971)

  Chatham Islands Geodetic Datum 1971 (CIGD1971) was previously used to define positions on the Chatham Islands. It was replaced in 1981 by Chatham Islands Geodetic Datum 1979 (CIGD1979), and both were superseded by New Zealand Geodetic Datum 2000 (NZGD2000…
  Guidance

  • Geodetic

• New Zealand Map Grid (NZMG)

  New Zealand Map Grid (NZMG) was previously used as the projection for topographic 1:50,000 and other small-scale mapping in mainland New Zealand. New Zealand Transverse Mercator 2000 (NZTM2000) replaced NZMG in 2001 and is now the official projection used…
  Guidance

  • Geodetic

• Geodetic specifications and guidelines

  Find specifications, templates and guidelines for submitting geodetic data to Toitū Te Whenua.
  Guidance

  • Geodetic