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• Boris Kirov - Business Intelligence Analyst at WCC

  Profile - Boris Kirov
  Page

  • Geodetic

• Erica Black - Data Consultant at Critchlow

  Profile - Erica Black
  Page

  • Geodetic

• South Island coordinate update

  Landonline has now been updated to reflect the movements that occurred in the four major Christchurch earthquakes and four major Fiordland earthquakes since 2000.
  Guidance

  • Survey
  • Geodetic

• Jana Kaeppler - GIS Officer at Mackenzie District Council

  Profile - Jana Kaeppler
  Page

  • Geodetic

• Scott Tansley - Geospatial Senior Consultant at Statistics New Zealand

  Profile - Scott Tansley
  Page

  • Geodetic

• Geodetic survey control network

  As a consequence of the earthquakes across Canterbury since 2010, geodetic control marks and cadastral marks throughout the region have been subject to varying amounts of movement. Updated Landonline spatial data is available.
  Guidance

  • Survey
  • Geodetic

• Geodetic specifications and guidelines

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

  • Geodetic

• Geodetic workshops

  Selected workshops hosted by Toitū Te Whenua, relating to geodesy in New Zealand.
  Guidance

  • Geodetic

• Ross Sea Region projections

  Projections are selected so that they best represent an area of the globe on a flat surface. There are separate projections for McMurdo Sound, Borchgrevink Coast, Pennell Coast, and the Ross Sea.
  Guidance

  • Geodetic

• LINZ Geodetic Database

  Our geodetic mark data can be accessed and downloaded from the LINZ Geodetic Database, LINZ Data Service or KML Service.
  Page

  • Geodetic

• Geodetic technical and commissioned reports

  Geodetic technical reports commissioned by or produced for Toitū Te Whenua.
  Guidance

  • Geodetic

• Geodetic standards and factsheets

  Find the standards, as well as explanatory factsheets, which define the requirements of New Zealand’s geodetic system.
  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

• Geodetic standards, specifications and resources

  Read and download specifications, standards, guidelines, and published documents. These resources are useful for students, researchers, geodetic service contractors and professionals who use New Zealand's geodetic network.
  Guidance

  • Geodetic

• Geodetic published papers

  Selected papers relating to geodesy in New Zealand which have been published by Toitū Te Whenua.
  Guidance

  • Geodetic

• SNAP and CONCORD downloads

  Information about the SNAP software suite, and how to download and install the SNAP and CONCORD programs.
  Page

  • 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.
  Page

  • Geodetic

• RINEX data archive

  The PositioNZ RINEX data archive collects, stores and provides access to data from a network of continuously recording GNSS (global navigation satellite system) receivers located around New Zealand, including the Chatham Islands and Antarctica.
  Page

  • 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.
  Page

  • Geodetic

• National Reference Frame

  The NRF provides the connection between national geodetic and vertical datums, and international reference systems.
  Page

  • Geodetic

• National Height Network

  The NHN ensures that important precise levelling control marks are retained and that geometric heights are determined for new control marks when they are established. This enables users to connect their datasets to the official geodetic datum.
  Page

  • Geodetic

• Cadastral Horizontal Control Network

  The CHN provides the street-level control marks that are used by surveyors to connect to and orient cadastral surveys in terms of the official geodetic datum (NZGD2000).
  Page

  • Geodetic

• Cadastral Vertical Control Network

  The CVN provides the street-level control marks that are used by surveyors to connect cadastral surveys to the official vertical datum (NZVD2016).
  Page

  • Geodetic

• Deformation Monitoring Network

  The DMN monitors national-scale tectonic deformation and monitors regional and local-scale deformation to maintain the NZGD2000 deformation model, to maintain the other control networks for the effects of deformation and to re-establish the other control…
  Page

  • Geodetic

• Survey Control Networks

  New Zealand’s survey control system comprises physical control marks and information about them to enable the coordinates of other points to be determined. The control system is segmented into six control networks which provide control marks for specific…
  Page

  • Geodetic

• Basic Geospatial Network

  The BGN provides a national coverage of control marks (including the offshore islands and Antarctica) to enable users to efficiently connected to official geodetic and vertical datums.
  Page

  • Geodetic

• Understanding datums and projections

  A lot of technical terms are used in New Zealand’s geodetic system. Find out about geodetic and vertical datums, geoids, projections, and coordinate transformations for accurate position and height measurements.
  Guidance

  • Geodetic

• About trig stations and geodetic marks

  The physical part of New Zealand’s geodetic system is a network of geodetic marks that are used as reference points for surveys.
  Guidance

  • Geodetic

• Tidal level information for surveyors

  Determination of MHWSThere is no definitive method for establishing mean high-water springs (MHWS) boundaries – it requires a tailored approach that considers factors like hydraulic gradient, land type and the survey accuracy that is required.
  Guidance

  • Geodetic

• Vertical datum relationship grids

  Vertical datum relationship grids are reference surfaces that can be used to transform heights between the 13 official local vertical datums and New Zealand Vertical Datum 2016 (NZVD2016).
  Guidance

  • Geodetic

• Other common geoid and global gravity models

  Geoids represent the hypothetical global mean sea level as it would be shaped by gravity if oceans could flow unobstructed though land. New Zealand’s official geoid, New Zealand Quasigeoid 2016 (NZGeoid2016), is commonly used in New Zealand, and its…
  Guidance

  • Geodetic

• New Zealand Vertical Datum 2009 (NZVD2009)

  The reference surface for New Zealand Vertical Datum 2009 (NZVD2009) was New Zealand Quasigeoid 2009 (NZGeoid2009). NZGeoid2009 has been superseded by New Zealand Quasigeoid Geoid2016 (NZGeoid2016) and New Zealand Vertical Datum 2016 (NZVD20016) in July…
  Guidance

  • Geodetic