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  • Southern Positioning Augmentation Network (SouthPAN) – Progress report May 2023

    This report updated Cabinet in May 2023 on the progress of Toitū Te Whenua and Geoscience Australia’s joint SouthPAN satellite initiative to improve the accuracy of global positioning signals in Australia and New Zealand.
    Resource
    • Data
    • Geodetic
  • Southern Positioning Augmentation Network (SouthPAN) - Progress report November 2022

    This report updated Cabinet in November 2022 on the progress of SouthPAN, Toitū Te Whenua and Geoscience Australia’s joint initiative to improve the accuracy of global positioning signals in Australia and New Zealand.
    Resource
    • Data
    • Geodetic
  • How SouthPAN works

    The technology behind SouthPAN uses a network of ground stations to calculate and correct errors in GNSS signals to improve the accuracy of satellite positioning and navigation systems.
    Page
    • Geodetic
  • Standard for tiers, classes, and orders of LINZ data - LINZS25006

    The purpose of this standard is to ensure that the geospatial accuracy framework (LINZS25005) is consistently applied across LINZ cadastral survey and control system datasets
    Resource
    • Geodetic
  • New Zealand Geodetic Datum 2000 Projections - LINZG25702

    This fact sheet supersedes LINZG25702 Fact sheet - New Zealand Geodetic Datum 2000 Projections which was published in November 2007.
    Resource
    • Geodetic
  • Ross Sea Region Geodetic Datum 2000 - LINZG25701

    This fact sheet describes the Ross Sea Region Geodetic Datum 2000 (RSRGD2000).
    Resource
    • Geodetic
  • Standard for Ross Sea Region Geodetic Datum 2000 - LINZS25001

    The purpose of this standard is to both define the Ross Sea Region Geodetic Datum 2000 and detail the parameters that define it.
    Resource
    • Geodetic
  • GrowGISNZ GeoBites

    A series of short, online technical demonstrations for New Zealand geospatial practitioners focussing on New Zealand-specific workflows and data needs.
    Page
    • Geodetic
  • Christina McCabe - Geospatial careers profile

    Christina is a BSc Environmental Science & Geography student via distance learning at Massey University.
    Page
    • Geodetic
  • Cait Giles – Geospatial careers profile

    Cait is a GIS Analyst (Historian specialist role) at Te Arawhiti – The Office for Māori Crown Relations.
    Page
    • Geodetic
  • Cheng Ho Pan (Ben Cheng) - Geospatial careers profile

    Ben is a Location Data Analyst at Land Information New Zealand.
    Page
    • Geodetic
  • Toitū Te Whenua Tertiary GIS Scholarships

    After successful annual calls for applications since 2018, Toitū Te Whenua Land Information New Zealand is again calling for applications for external Tertiary GIS Scholarships – this time for the 2023 academic year.
    Page
    • Geodetic
  • Studying GIS

    Are your studies getting you to the right place? Add the location factor to your qualification!
    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
  • Changes to Height Orders

    The Orders of normal-orthometric heights have been updated to reflect the accuracy definitions in the LINZS25005 and LINZS25006 standards.
    Guidance
    • Geodetic
  • Online coordinate converter

    The New Zealand Coordinate Conversions form can be used to convert coordinates between datums, projections and height coordinate systems used in New Zealand.
    Page
    • Geodetic
  • Recommended transformation parameters from WGS84 to NZGD49

    This report compares currently available transformation parameters for converting between NZGD49 (New Zealand Geodetic Datum 1949) and WGS84 (World Geodetic System 1984) coordinates.
    Resource
    • Geodetic
  • Development of Transformation Parameters from NZGD49 to NZGD2000

    With the establishment of a new datum comes a need to transform coordinates from one datum to the other as only a small number of marks have been surveyed in terms of both datums.
    Resource
    • Geodetic
  • Darfield Earthquake Geodetic Investigations

    The 4 September 2010 Darfield (Canterbury) earthquake resulted in up to 5 metres of lateral slip along the previously unknown Greendale Fault (Figure 1) and associated ground surface displacements of up to about 2.5 metres within the surrounding region (…
    Resource
    • Geodetic
  • Specifications for Geodetic Physical Network

    These specifications relate to the provision of geodetic control maintenance to support the geodetic programme as required by the Cadastral Survey Act 2002 sec 7(1)(a) and (b).
    Resource
    • Geodetic
  • An Assessment of New Zealand's Height Systems and Options for a Future Height Datum

    This report examines height datum technologies and also looks at current international practice with respect to height datum issues. It presents some wider user perspectives before looking more specifically at the physical characteristics of New Zealand…
    Resource
    • Geodetic
  • Of capital importance: assessing the value of the New Zealand geodetic system

    This report is the response to a brief from Land Information New Zealand (LINZ) to establish the economic foundation for funding a modern geodetic system for New Zealand.
    Resource
    • Geodetic
  • Specifications for the Protection of Survey Marks – Reinstating or Replacing Marks

    This specification details the requirements for the reinstatement or replacement of marks identified as needing protection.
    Resource
    • Geodetic
  • Alan Scandrett - Geospatial careers profile

    Alan Scandrett is a Geography Honours student focussing on GIS at the University of Auckland (Summer Intern – Watercare 2017/18, LINZ 2016/17)
    Page
    • Geodetic
  • KML Service

    Geodetic mark information is available in KML format. This enables geodetic data to be viewed spatially in 3D visualisation software such as Google Earth.
    Page
    • Geodetic
  • Survey mark protection

    There are thousands of survey marks in New Zealand. Many are below the ground so most of us never see them. Survey marks help in the surveying of property boundaries, as well as engineering, roading, mapping and measuring the position of land, sea and…
    Page
    • Geodetic
  • New Zealand Transverse Mercator 2000 (NZTM2000)

    New Zealand Transverse Mercator 2000 (NZTM2000) is the projection used for New Zealand's Topo50 1:50,000 and other small-scale mapping. It is the recommended projection for use within mainland New Zealand.
    Guidance
    • Geodetic
  • Geodetic technical and commissioned reports

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

    Selected workshops hosted by Toitū Te Whenua, relating to geodesy in New Zealand.
    Guidance
    • Geodetic
  • Distortion grid transformations (NZGD1949 to NZGD2000)

    The transformation grid method can be used to change horizontal coordinates between New Zealand Geodetic Datum 1949 (NZGD1949) and New Zealand Geodetic Datum 2000 (NZGD2000).
    Guidance
    • Geodetic
  • 3- and 7-parameter similarity transformations (NZGD1949 to NZGD2000)

    This page lists the transformation factors that are used in the 3-parameter and 7-parameter similarity transformations between New Zealand Geodetic Datum 1949 (NZGD1949) and New Zealand Geodetic Datum 2000 (NZGD2000).
    Guidance
    • Geodetic
  • New Zealand Geodetic Datum 2000 (NZGD2000)

    The New Zealand Geodetic Datum 2000 (NZGD2000) is our official geodetic datum, used to define positions in New Zealand and its offshore islands.
    Guidance
    • Geodetic