NZ Mainland Geographic Names (Topo, 1:50k)

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Creative Commons Attribution 3.0 New Zealand

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2296
1916
Updated
13 Dec 2013

Geographic name holds the proper noun of certain objects within the Topo databases. Geographic_name does not apply to roads, railway lines, or descriptive text - eg 'Brunner Mine' would be a Geographic_name but 'mine disused' is held in the descriptive_text feature

Data Dictionary for geographic_name: apps.linz.govt.nz/topo-data-dictionary/index.aspx?...

This layer is a component of the Topo50 map series. The Topo50 map series provides topographic mapping for the New Zealand mainland, Chatham and New Zealand's offshore islands, at 1:50,000 scale.

Further information on Topo50:
www.linz.govt.nz/topography/topo-maps/topo50

Layer ID 280
Data type Vector point
Feature count 57308

NZ Mainland River Polygons (Topo, 1:50k)

Licence

Creative Commons Attribution 3.0 New Zealand

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You must attribute the creator in your own works.

1503
2680
Updated
13 Dec 2013

A natural, flowing body of water emptying into an ocean, lake or other body of water and usually fed along it's course by converging tributaries.

Data Dictionary for river_poly: apps.linz.govt.nz/topo-data-dictionary/index.aspx?...

This layer is a component of the Topo50 map series. The Topo50 map series provides topographic mapping for the New Zealand mainland, Chatham and New Zealand's offshore islands, at 1:50,000 scale.

Further information on Topo50:
www.linz.govt.nz/topography/topo-maps/topo50

Layer ID 328
Data type Vector polygon
Feature count 5537

NZ Geodetic Marks

Licence

Creative Commons Attribution 3.0 New Zealand

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You must attribute the creator in your own works.

2389
1726
Updated
19 Apr 2014

This dataset provides information about the position, position accuracy, mark name, mark type, condition and unique four letter code for geodetic marks in terms of a New Zealand's official geodetic datum.

The dataset only contains marks that are within the New Zealand mainland and offshore islands. These positions have been generated using geodetic observations such as precise differential GPS or electronic distance and theodolite angles measurements. The positions are either 2D or 3D depending of the availability of this measurement data.

The source data is from Land Information New Zealand's (LINZ) Landonline system where it is used by Land Surveyors. This dataset is updated daily to reflect changes made in the Landonline.

Accuracy

Geodetic marks with a coordinate order of 5 or less have been positioned in terms of NZGD2000. Lower order marks (order 6 and greater) are derived from cadastral surveys, lower accuracy measurement techniques or inaccurate historical datum transformations, and may be significantly less accurate.

The accuracy of NZGD2000 coordinates is described by a series of 'orders' classifications. Positions in terms of NZGD2000 are described by three-dimensional coordinates (latitude, longitude, ellipsoidal height). The accuracy of a survey mark is indicated by its Order. Orders are classifications based on the quality of the coordinate in relation to the datum and in relation to other surrounding marks. For more information see www.linz.govt.nz/geodetic/datums-projections-heigh...

Note that the accuracy applies at the time the mark was last surveyed. Refer to the web geodetic database for historical information about mark coordinates.

Note also that the existence of a mark in this dataset does not imply that there is currently a physical mark in the ground - the dataset includes destroyed or lost historical marks. The geodetic database provides more information on the mark status, valid at last time it was visited by LINZ or a maintenance contractor.

Layer ID 787
Data type Vector point
Feature count 118806
Primary key id

NZ Survey Boundary Vectors

Licence

Creative Commons Attribution 3.0 New Zealand

You may use this work for commercial purposes.

You must attribute the creator in your own works.

1982
2078
Updated
19 Apr 2014

This layer provides the latest bearing (direction) and/or distance for cadastral boundaries.

When a cadastral survey is undertaken the relationship between boundary and non-boundary marks is ascertained or measured.
• This commonly is in the form or a vector (bearing and distance), but occasionally just one component.
• Some relationships are defined as arcs. In this data layer, the arc length is recorded in the distance field and a separate record holds the chord.

Only observations that have been captured in Landonline are available. This includes vectors that were re-captured in the Survey Capture Areas from survey plans lodged prior to Landonline and all survey observations since.

Layer ID 820
Data type Vector linestring
Feature count 7695761
Primary key id

NZ Aerial Photo Footprints, Mainland NZ, (1936-2005) polygons

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Creative Commons Attribution 3.0 New Zealand

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You must attribute the creator in your own works.

3101
717
Added
18 Oct 2011

This layer has been provided to enable potential users to identify the coverage of photography for Mainland NZ flown on behalf of the Crown between 1936 and 2005. Areas flown outside of Mainland NZ will be added later.

The layer shows the extent of each photograph taken. The 'NZ Aerial Survey Footprints 1936-2005 poly' layer shows the extent of each survey undertaken.

The Collection exists as photographic negatives (most are not in digital form) so the images are not downloadable from the LDS.

The Crown Aerial Film Negative Collection is managed for LINZ by NZ Aerial Mapping Limited.

You can are order images from the Collection from NZ Aerial Mapping Limited. in a number of formats, including:
• contact prints
• enlargements
• digital files
• precision scans for photogrammetric production
• orthophotos

You will need to tell NZ Aerial Mapping the survey, run and photo number (values in the ‘SURVEY’ 'RUN_NO' and 'PHOTO_NO' attributes) covering your area of interest.

NZ Aerial Mapping will be able to provide information about the cost of providing images in the various formats. NZ Aerial Mapping Limited contact details can be found at nzam.com/contact/

There are a small number of images held in the Collection that have not been referenced in the LDS layers due to incomplete metadata. LINZ is currently investigating ways this can be remedied. NZ Aerial Mapping will be able to let you know if additional photographs are available in your area of interest.

NZ Aerial Mapping also have large number of NZAM-copyright images that are available for public use. The extents of these may be added to the LDS in future. You can order images from NZAM’s collection by contacting them.

Layer ID 1002
Data type Vector polygon
Feature count 428331

NZ Mainland Contours (Topo, 1:250k)

Licence

Creative Commons Attribution 3.0 New Zealand

You may use this work for commercial purposes.

You must attribute the creator in your own works.

2423
1387
Updated
05 Oct 2012

An imaginary line that connects points of equal height value eg the elevation of the land surface above or below a vertical datum, in this case of LINZ topographic mapping, this is Mean Sea Level.

Data Dictionary for contour: apps.linz.govt.nz/topo-data-dictionary/index.aspx?...

This layer is a component of the Topo250 map series. The Topo250 map series provides topographic mapping for the New Zealand mainland and Chatham Islands, at 1:250,000 scale.

Further information on Topo250: www.linz.govt.nz/topography/topo-maps/topo250

Layer ID 159
Data type Vector linestring
Feature count 74030
Elevation Z (elevation)

NZ Road Centre Line Subsections (Electoral)

LINZ / Electoral
Licence

Creative Commons Attribution 3.0 New Zealand

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1935
1780
Updated
15 Mar 2014

This layer provides a feature representing Electoral road subsection (e.g. a city block) to which associated data such electoral addresses can be attached.

In Landonline a road name is commonly assigned to multiple stretches of roading such as between intersections with other roads. For this layer each of these individual road sections have their own geometry (as opposed to the Road Centre Line Layer where they have been aggregated).

A road may also have more than one road name, some road centreline geometries will duplicate other roads subsections even though there is in reality only one road formation. In addition, a road name is also commonly duplicated across the country e.g. "Queen Street", "High street" etc

The source Landonline data exists in order to provide linear geometries against which official road names and street addresses can be recorded. Its purpose is also to enable automated meshblock address reports (for electoral and statistical purposes) so as to identify the presence of a road name in meshblocks where street addresses do not exist.

The road centrelines recorded in Landonline do not represent actual road formation, nor do they represent legal access. They must not be considered as topographic, cadastral, or legal.

As a general rule those that are not within a Road Parcels Layer should be treated as being of highly variable accuracy. They do however meet the purposes for which they have been captured, and can provide a valuable resource for other purposes provided that the user(s) understand their origin and consequential limitations.

Warning: The purpose of the location field is to enable differentiation between roads of the same name in the dataset. It should not be considered official nor part of a valid postal address. It can however be used as an indicative guide to location within a Territorial Authority, or in the case of regional road networks, as an indicative guide to location within New Zealand.

Layer ID 793
Data type Vector linestring
Feature count 224478
Primary key id

NZ Mainland Lake Polygons (Topo, 1:50k)

Licence

Creative Commons Attribution 3.0 New Zealand

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You must attribute the creator in your own works.

1018
2692
Updated
13 Dec 2013

Any standing body of fresh inland water.

Data Dictionary for lake_poly: apps.linz.govt.nz/topo-data-dictionary/index.aspx?...

This layer is a component of the Topo50 map series. The Topo50 map series provides topographic mapping for the New Zealand mainland, Chatham and New Zealand's offshore islands, at 1:50,000 scale.

Further information on Topo50:
www.linz.govt.nz/topography/topo-maps/topo50

Layer ID 293
Data type Vector polygon
Feature count 56276

NZ Mainland Track Centrelines (Topo, 1:50k)

Licence

Creative Commons Attribution 3.0 New Zealand

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You must attribute the creator in your own works.

1265
2167
Updated
13 Dec 2013

A deliberately formed route of a lesser quality than a road

Data Dictionary for track_cl: apps.linz.govt.nz/topo-data-dictionary/index.aspx?...

This layer is a component of the Topo50 map series. The Topo50 map series provides topographic mapping for the New Zealand mainland, Chatham and New Zealand's offshore islands, at 1:50,000 scale.

Further information on Topo50:
www.linz.govt.nz/topography/topo-maps/topo50

Layer ID 364
Data type Vector linestring
Feature count 79793

Depth contour polyline (Hydro, 1:90k - 1:350k)

Licence

Creative Commons Attribution 3.0 New Zealand

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You must attribute the creator in your own works.

2126
1247
Updated
20 Dec 2013

A line connecting points of equal water depth which is sometimes significantly displaced outside of soundings, symbols and other chart detail for clarity as well as generalization. Depth contours, therefore, often represent an approximate location of the line of equal depth as related to the surveyed line delineated on the source. Also referred to as depth curve.

S-57 Object Class: Depth contour

S-57 Acronym: DEPCNT

This data was compiled for the use in the scale range 1:90,000 to 1:350,000.

THIS DATA DOES NOT REPLACE NAUTICAL CHARTS AND MUST NOT BE USED FOR NAVIGATION.

This data is based on the S-57 data format used in Electronic Navigational Charts (ENCs) published and maintained by the New Zealand Hydrographic Authority at Land Information New Zealand (LINZ). Refer to the following link for information about S-57 data: www.linz.govt.nz/hydro/regulation/

Layer ID 448
Data type Vector linestring
Feature count 14526
ElevationZ coordinates
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