Elevation Data - Page 3

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?...

Although captured and presented at 1:25,000 this layer, for all intents and purposes, forms part of the Topo50 map series.

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

A height above a vertical datum, represented on a map by a dot locator with the elevation printed beside the dot. Unlike trigonometrical stations, spot heights are not identifiable on the ground

Data Dictionary for height_pnt: 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

This layer contains the DEM for LiDAR data from the Hurunui District captured in 2013.
The DSM is available as layer Canterbury - Hurunui Rivers LiDAR 1m DSM (2013).
The index tiles are available as layer Canterbury - Hurunui Rivers LiDAR Index Tiles (2013).
The LAS point cloud and vendor project reports are available from OpenTopography.

Lidar was captured for Environment Canterbury Regional Council by Aerial Surveys in May 2013. The datasets were generated by Aerial Surveys and their subcontractors. The survey area includes Hanmer Springs, Hanmer Plain, Waiau, Waiau River, Hurunui River, Pahau River, and Culverden. 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

Data was collected at >1 pulse/square metre pulse density. Attributes include:
-Elevation
-Intensity values
-Return number
-Adjusted GPS time
-Classification

Vertical datum is NZVD2016

This layer contains the index tiles for LiDAR data from the Christchurch and Selwyn areas captured in 2015.
The DEM is available as layer Canterbury - Christchurch and Selwyn LiDAR 1m DEM (2015).
The DSM is available as layer Canterbury - Christchurch and Selwyn LiDAR 1m DSM (2015).
The LAS point cloud and vendor project reports are available from OpenTopography.

Lidar was captured for Environment Canterbury Regional Council by AAM between 5 October and 7 November 2015. The datasets were generated by AAM and their subcontractors. The survey area includes Christchurch City and parts of the Selwyn district. 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

Planned pulse density is 4 pulses/square metre.

Vertical accuracy specification is +/- 0.20m (95%).

Horizontal accuracy specification is +/- 1.00m (95%).

Vertical datum is NZVD2016.

This layer contains the index tiles for LiDAR data from the Wellington region captured in 2013.
The DEM is available as layer Wellington LiDAR 1m DEM (2013).
The DSM is available as layer Wellington LiDAR 1m DSM (2013).
The LAS point cloud is available from OpenTopography.

Lidar was captured for Greater Wellington Regional Council by Aerial Surveys in 2013. The datasets were generated by Landcare Research. The survey area includes Wellington, Porirua, Lower Hutt, Upper Hutt, Wairarapa, and Kapiti. 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 1km x 1km tile layout

Data was collected at >1 pulse/square metre pulse density. Attributes include:
-Elevation
-Intensity values
-Return number
-Adjusted GPS time
-Classification

Vertical datum is NZVD2016

This layer contains the index tiles for LiDAR data from the Waikato west coast and Hauraki Plains captured in 2015.
The DEM is available as layer Waikato - West Coast and Hauraki Plains LiDAR 1m DEM (2015).
The DSM is available as layer Waikato - West Coast and Hauraki Plains LiDAR 1m DSM (2015).
The LAS point cloud and vendor project reports are available from OpenTopography.

Lidar was captured for Waikato Regional Council by Aerial Surveys in February and March 2015. The 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

Point density is 2 points/square metre.

Vertical datum is NZVD2016.

This layer contains the DSM for LiDAR data from the Bay of Plenty coast captured in 2015.
The DEM is available as layer Bay of Plenty - Tauranga and Coast LiDAR 1m DEM (2015).
The index tiles are available as layer Bay of Plenty - Tauranga and Coast LiDAR Index Tiles (2015).
The LAS point cloud and vendor project reports are available from OpenTopography.

Lidar was captured for BOPLASS Ltd. by Aerial Surveys in 2015. The datasets were generated by Aerial Surveys and their subcontractors. The survey area includes the Tauranga and Whakatane urban areas and the greater coastal strip. 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

Planned pulse density is 1.0 pulses/square metre.

Vertical datum is NZVD2016.

This layer contains the DEM for LiDAR data from the Timaru river areas captured in 2014.
The DSM is available as layer Canterbury - Timaru Rivers LiDAR 1m DSM (2014).
The index tiles are available as layer Canterbury - Timaru Rivers LiDAR Index Tiles (2014).
The LAS point cloud and vendor project reports are available from OpenTopography.

Lidar was captured for Environment Canterbury Regional Council by Aerial Surveys in July and August 2014. The datasets were generated by Aerial Surveys and their subcontractors. The survey area includes the Geraldine and Temuka township areas and the lower Rangitata, Orari, and Opihi river corridors. 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

Planned pulse density is > 1 pulse/square metre.

Vertical datum is NZVD2016.

This layer contains the index tiles for LiDAR data from the Kaikoura area captured in 2012.
The DEM is available as layer Canterbury - Kaikoura Lidar 1m DEM (2012).
The DSM is available as layer Canterbury - Kaikoura Lidar 1m DSM (2012).
The LAS point cloud and vendor project reports are available from OpenTopography.

Lidar was captured for Environment Canterbury Regional Council by Aerial Surveys in 2012. Note that this capture was prior to the significant vertical and horizontal displacements from the 2016 Kaikoura earthquakes. The datasets were generated by Aerial Surveys and their subcontractors. The survey area includes the Kaikoura township area and adjacent coastal strips. Data management and distribution is by Land Information New Zealand.

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

Data was collected at >1 pulse/square metre pulse density. Attributes include:
-Elevation
-Intensity values
-Return number
-Adjusted GPS time
-Classification

Vertical accuracy specification is +/-0.2m (@ 95% confidence)
Vertical datum is NZVD2016

This layer contains the DSM for LiDAR data from the Waikato west coast and Hauraki Plains captured in 2015.
The DEM is available as layer Waikato - West Coast and Hauraki Plains LiDAR 1m DEM (2015).
The index tiles are available as layer Waikato - West Coast and Hauraki Plains LiDAR Index Tiles (2015).
The LAS point cloud and vendor project reports are available from OpenTopography.

Lidar was captured for Waikato Regional Council by Aerial Surveys in February and March 2015. The 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

Point density is 2 points/square metre.

Vertical datum is NZVD2016.