Change Detection [ Video Tutorial ]

Marlborough, New Zealand 2018

Overview

Land Information New Zealand Logo Marlborough District Council Logo Lidar was captured for Marlborough District Council by AAM New Zealand in May 2018 through to Sep 2018. The original dataset were generated by AAM New Zealand and their subcontractors. The survey area covers the Flaxbourne River, Lake Grassmere, Seddon, Lower Awatere Valley, Picton, Waikawa, Wairau Valley and Plains, including Spring Creek, Tuamarina and parts of Blenheim. Data management and distribution is by Land Information New Zealand.
Platform: Airborne Lidar
Survey Area: 698.79 km2
Point Density: 10.93 pts/m2
Survey Date: 05/26/2018 - 09/12/2018
Full Metadata
Dataset Acknowledgement  
Funder: MDC     Partner: LINZ     Collector: AAM NZ
Select area of data to process  
  Reference dataset:
  Compare dataset:  

1. Vertical Differencing  

Select a dataset for vertical differencing:
  Switch the reference and compare datasets.

2. Coordinates & Classification

Horizontal Coordinates: NZGD2000 / New Zealand Transverse Mercator 2000 [EPSG: 2193]
Vertical Coordinates: NZVD2016 [EPSG: 7839]

Data Selection Coordinates:       Manually enter selection coordinates (in the horizontal coordinate system listed above)  
  Choose Return Classification    
  Ground        
  Unclassified        
  Water surface        

3. DEM Generation (TIN)  

  Grid Resolution (Default = 1.0 meter)
  Max. triangle size (Default 50 units)

4. Error Threshold  

  User-defined Minimum Level of Detection

5. Visualization  

  Generate additional hillshade images from DEMs for reference and compare datasets.

Altitude of the light:  (in range: [0-90] degrees)
Azimuth of the light:  (in range: [0-360] degrees)

Job Description

These options allow users to describe and keep track of their jobs. Information entered below is recorded along with other job parameters in your personal lidar Job archive accessed via myOpenTopo (available only to registered OpenTopography users).

Job title (up to 100 characters)
Job description (up to 500 characters)
Enter your e-mail address
for notification upon completion of processing


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