Creative Commons Attribution 4.0 International
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This dataset was last updated on LINZ Data Service on 27 Jan 2023.
This layer provides the extents of the data incorporated into an adjustment which has been completed as a Wide Area Cadastral Adjustment (WACA). These adjustments are undertaken in areas where there is already substantial survey-accurate data, but there are some inconsistencies in the data resulting from small changes to geodetic control coordinates and/or the progressive submission of additional Cadastral Survey Datasets (CSDs). The improvement of coordinates is controlled by a mathematical adjustment process using a Least Squares methodology. The adjustment/integration process results in increased mapping accuracy of surrounding spatial objects (e.g. parcels), the effect of which is some new observations or parcels appear to move. The extent of the change largely depends upon the accuracy of the underlying data. In general, movements will be no more than 10cm, as the WACAs target areas where coordinates already have fairly high spatial accuracy.
Creative Commons Attribution 4.0 International
You may use this work for commercial purposes.
You must attribute the creator in your own works.
Information | |
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Category | Property Ownership & Boundaries > Survey |
Tags | New Zealand |
Regions | New Zealand |
Metadata | ISO 19115/19139, Dublin Core |
Technical Details | |
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Layer ID | 50836 |
Data type | Vector polygon | Feature count | 4462 |
Primary key | id |
Attributes | id, date_adjusted, survey_reference, adjusted_nodes, |
Services | Vector Query API, Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed |
History | |
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Added | 21 Jul 2011 |
Last updated | 27 Jan 2023 |
Revisions | 544 - Browse all revisions |
Current revision | Imported on Jan. 27, 2023 from Postgres in NZGD2000. |