DOI: https://doi.org/10.5069/G9Z31WV0
OT Collection ID: OT.042021.2193.1
OT Collection Name: West Coast, New Zealand 2020-2025
Short Name: NZ20_Westport
Collection Platform: Airborne Lidar

----------------------------------------------------------

Download and Access Products: 
	1. Point Cloud Data
		opentopoID: OTLAS.042021.2193.1
		Data Processing: https://portal.opentopography.org/lidarDataset?opentopoID=OTLAS.042021.2193.1


----------------------------------------------------------

Collection Overview: LiDAR was captured for the West Coast Regional Council by Aerial Surveys Ltd from 16 May 2020 to 11 July 2024. In the summer months of 2025, small, isolated areas were re-flown to address data voids. The dataset was generated by Aerial Surveys and their subcontractors. Data management and distribution is by Toitū Te Whenua Land Information New Zealand.

West Coast, New Zealand 2020-2025 Digital Elevation Model
West Coast, New Zealand 2020-2025 Digital Surface Model


Dataset Acknowledgement: Released under Creative Commons CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Attribution Required for Copies: "Copyright in this work is owned by West Coast Regional Council". Attribution Required for Derivative works: "Copyright in the underlying dataset from which this work has been derived is owned by West Coast Regional Council"

Dataset Citation: West Coast Regional Council, Toitū Te Whenua Land Information New Zealand (LINZ) (2025). West Coast, New Zealand 2020-2025. Collected by Aerial Surveys, distributed by OpenTopography and LINZ. https://doi.org/10.5069/G9Z31WV0. Accessed 2025-09-01

Use License: CC BY 4.0

Dataset Keywords: Westport, greymouth, hokitika, haast, south island, new zealand, linz, aerial surveys

Survey Date: 05/16/2020 - 07/11/2024
Publication Date: 04/28/2021

----------------------------------------------------------

Data Provider and Roles:
	1. Aerial Surveys
	Role: Collector
	Url: http://www.aerialsurveys.co.nz/

	2. West Coast Regional Council
	Role: Funder
	Url: https://www.wcrc.govt.nz/

	3. Toitū Te Whenua Land Information New Zealand
	Role: Partner
	Url: https://www.linz.govt.nz/


----------------------------------------------------------

Total Number of Points: 380,414,949,271 pts

Area: 24,250.68 km^2

Point Density: 15.69 pts/m^2

Classifications: 
	Class 1 - Unclassified: 177,432,155,312
	Class 2 - Ground: 43,154,544,990
	Class 3 - Low Vegetation: 28,427,430,203
	Class 4 - Medium Vegetation: 39,139,505,442
	Class 5 - High Vegetation: 90,280,459,455
	Class 6 - Building: 30,839,023
	Class 7 - Low Point (low noise): 171,548,391
	Class 9 - Water: 1,305,236,971
	Class 18 - High Noise: 472,959,282
	Class 52 - Reserved: 795
	Class 78 - User Definable: 4
	Class 100 - User Definable: 262,816
	Class 128 - Other User Definable Classes (greater than 127): 6,587
Coordinates System: 
	Horizontal: NZTM2000 NZGD2000 Meters [EPSG: 2193]
	Vertical: NZVD2016 [EPSG: 7839]

Survey Report: https://object.cloud.sdsc.edu:443/v1/AUTH_opentopography/www/metadata/NZ20_Westport_metadata.pdf

LAS Validation Data Report: https://portal.opentopography.org/lasReport?opentopoID=OTLAS.042021.2193.1

----------------------------------------------------------

Dataset Boundary in GeoJSON Format: https://raw.githubusercontent.com/OpenTopography/Data_Catalog_Spatial_Boundaries/main/OpenTopography_Point_Cloud_Lidar/NZ20_Westport.geojson

Dataset Extent (Bounding Box):
	North: -40.76854359°
	South: -44.50400827°
	East: 172.69662476°
	West: 168.04501612°