Vertical Differencing [ Video Tutorial ]

Amberley, Canterbury, New Zealand 2012
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Overview

ECAN logo Land Information New Zealand Logo Lidar was captured for Environment Canterbury Regional Council by Aerial Surveys in July 2012, under survey name Hurunui AB. The datasets were generated by Aerial Surveys and their subcontractors. The survey area includes the Amberley and Waipara township areas and adjacent coastal strips and river corridors. Data management and distribution is by Land Information New Zealand.

Prepared DEM and DSM files are available through the LINZ Data Service
Reference Dataset
Total points: pts
Survey Area: km2
Point Density: pts/m2
Compare Dataset  
Total points: pts
Survey Area: km2
Point Density: pts/m2
Select area of data to process  
 

1. Vertical Differencing Datasets and Coordinate System  

Select a dataset for vertical differencing:
  Reference dataset:
  Compare dataset:  
Dataset:

Survey Date:
Horizontal Coordinates:
Vertical Coordinates:
Units:







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

2. DEM Generation (TIN)  

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

3. Define a minimum level of detection (optional)  

  User-defined Minimum Level of Detection

4. 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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Data Citation     |     Use License: Not Provided