Christchurch and Ashley River, Canterbury, New Zealand 2018-2019

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Overview

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Lidar was captured for Environment Canterbury Regional Council by Aerial Surveys between July 2018 to March 2019. The dataset was generated by Aerial Surveys and their subcontractors. The survey area includes Christchurch City and the Ashley River, as well as the surrounding area. Data management and distribution is by Land Information New Zealand.


Prepared DEM and DSM files are available through the LINZ Data Service:
Platform: Airborne Lidar
Survey Area: 663.35 km2
Point Density: 5.89 pts/m2
Survey Date: 07/20/2018 - 03/01/2019
Full Metadata
Data Citation     Copied
Use License: CC BY 4.0
Funder: ECAN     Partner: LINZ     Collector: AS

Other Available Data Products: Point Cloud Bulk Download
1a. Select area of data to download or process  
  Usage Heat Map
 

1. Coordinates & Classification

Horizontal Coordinates: NZTM2000 NZGD2000 Meters [EPSG: 2193]
Vertical Coordinates: NZVD2016 [EPSG: 7893]
Units: meter
Data Selection Coordinates (Select an area on map)
  Manually enter selection coordinates (in the horizontal coordinate system listed above)  

  Choose Return Classification    
  Ground        
  Unclassified        
  Water surface        
  Exclude Noise

2. Point Cloud Data Download

     Point cloud data in LAZ format
    Point cloud data in LAS format
     Point cloud data in ASCII format

3A. Custom DEM Generation (TIN)  

    Calculate TIN
Gridding Parameters
  Grid Resolution (Default = 1 meter)
  Max. triangle size (Default 50 units)
  Grid Format

3B. Custom DEM Generation (Local Gridding)  

Gridding Method
     Calculate Zmin grid
     Calculate Zmax grid
     Calculate Zmean grid
     Calculate Zidw grid
     Calculate standard deviation
     Calculate point count

4. Raster Visualization  

Visualization type:
    Hillshade
    Color-relief
    Color hillshade
    Slope
    Aspect
    Roughness

5. 3D Point Cloud Visualization  

  Generate 3D point cloud browser visualization

6. Contour Lines  

Job Description & Notification

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By accessing data via OpenTopography you agree to acknowledge OpenTopography and the dataset source in publications, presentations, and other materials produced using these data:
Data Citation     |     Use License: CC BY 4.0