Wellington City Data - Page 6

Index Tiles ONLY, for actual orthophotos see layer Wellington City 0.075m Urban Aerial Photos (2021)

Orthophotography of urban areas within Wellington City taken in the flying season (summer period) of 2020-2021.

Imagery was captured for the ‘Wellington City Council’ by AAM NZ Limited, 6 Ossian St, NAPIER, New Zealand.

Data comprises:

• 2020 x ortho-rectified RGB GeoTIFF images in NZTM projection, tiled into the LINZ Standard 1:500 tile layout

•Tile layout in NZTM projection containing relevant information.

The supplied imagery is in terms of New Zealand Transverse Mercator (NZTM) map projection. Please refer to the supplied tile layout shape file for specific details, naming conventions, etc.

Imagery supplied as 7.5cm pixel resolution (0.075m GSD), 3-band (RGB) uncompressed GeoTIFF.

The final spatial accuracy is ±0.2m @ 90% confidence level.

This layer contains the Index Tiles for LiDAR data in the Wellington Region including Wellington City as well as the surrounding area captured between 2019 and 2020.

• The DEM is available as layer Wellington City LiDAR 1m DEM (2019-2020).
• The DSM is available as layer Wellington City LiDAR 1m DSM (2019-2020).
• The LAS point cloud and vendor project reports are available from OpenTopography.

LiDAR was captured for Wellington City Council by Aerial Surveys from 20 March 2019 to 14 March 2020. These datasets were generated by Aerial Surveys and their subcontractors. Data management and distribution is by Land Information New Zealand.

Data comprises:

• DEM: tif or asc tiles in NZTM2000 projection, tiled into a 1:1,000 tile layout
• DSM: tif or asc tiles in NZTM2000 projection, tiled into a 1:1,000 tile layout
• Point cloud: las tiles in NZTM2000 projection, tiled into a 1:1,000 tile layout

Pulse density specification is at a minimum of 16 pulses/square metre.

Vertical Accuracy Specification is +/- 0.2m (95%)

Horizontal Accuracy Specification is +/- 1.0m (95%)

Vertical datum is NZVD2016

Coastal rocks; rocks between high and low tide

Data Dictionary for rock_poly: docs.topo.linz.govt.nz/data-dictionary/tdd-class-r...

This layer is a component of the Topo500 data. The Topo500 map series will, when it is created, provide updated topographic mapping for the New Zealand mainland at 1:500,000 scale.

An underground passage

Data Dictionary for tunnel_cl: docs.topo.linz.govt.nz/data-dictionary/tdd-class-t...

This layer is a component of the Topo500 data. The Topo500 map series will, when it is created, provide updated topographic mapping for the New Zealand mainland at 1:500,000 scale.

Index Tiles ONLY, for actual orthophotos see layer Wellington 0.10m Urban Aerial Photos (2017)

Orthophotography of urbans areas within Wellington City taken in the flying seasons (summer period) 2016-17.

Imagery was captured for the ‘Wellington City Council’ by AAM NZ Limited, 6 Ossian St, NAPIER, New Zealand.

Data comprises:
•1,667 ortho-rectified RGB GeoTIFF images in NZTM projection, tiled into the LINZ Standard 1:500 tile layout
•Tile layout in NZTM projection containing relevant information.

The supplied imagery is in terms of New Zealand Transverse Mercator (NZTM) map projection. The products are tiled into NZTopo50 1:500 tiles. Please refer to the supplied tile layout shape file for specific details, naming conventions, etc.

Imagery supplied as 10cm pixel resolution (0.10m GSD), 3-band (RGB) uncompressed GeoTIFF. The final spatial accuracy is ± 0.2m @ 90% confidence level.

An area containing a concentration of buildings and the supporting road or rail infrastructure.

S-57 Object Class: Built-up area

S-57 Acronym: BUAARE

This data was compiled for the use in the scale range 1:1,500,000 and smaller.

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/

Index Tiles ONLY, for actual orthophotos see layer Wellington 0.1m Urban Aerial Photos (2012-13).

Orthophotography for the Wellington City Council taken during 2012 and 2013. Area of Coverage: Central Wellington, Mt Cook, Newtown and selected parts of Crofton Downs, Newlands, Johnsonville, Woodridge, Tawa, Kilbirnie and Owhiro Bay.

Imagery was captured for the Wellington City Council by NZ Aerial Mapping Ltd, 208 Warren Street, PO Box 6, Hastings 4156, New Zealand.

The NZ Aerial Mapping survey number was SN51024D.

Data has subsequently been provided to LINZ and this comprises:
•1,621 x ortho-rectified RGB GeoTIFF images in NZTM projection, tiled into the LINZ Standard 1:1,000 tile layout
•Tile layout in NZTM projection containing relevant information.

The supplied imagery is in terms of New Zealand Transverse Mercator (NZTM) map projection. The products are tiled into NZTopo50 1:1,000 tiles. Please refer to the supplied tile layout shape file for specific details, naming conventions, etc.

Imagery supplied as 10cm pixel resolution (0.1m GSD), 3-band (RGB) uncompressed GeoTIFF. The final spatial accuracy is +/-0.3m (@ 90% confidence).

A mill or other machine that runs on the energy generated by a wheel of adjustable blades or flats rotated by the wind

Data Dictionary for windmill_pnt: docs.topo.linz.govt.nz/data-dictionary/tdd-class-w...

This layer is a component of the Topo500 data. The Topo500 map series will, when it is created, provide updated topographic mapping for the New Zealand mainland at 1:500,000 scale.