Vertical Differencing [ Video Tutorial ]

White Sands National Monument, NM: Lidar Survey of Dune Fields (Jan 2009)
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Overview

NCALM Project. PI: Gary Kocurek, University of Texas at Austin. The survey area is a rectangular polygon on the White Sands National Monument, lying west of Holloman Air Force Base NM and enclosing 47 square kilometers. This dune field has been repeatedly surveyed in June 2009 and June 2010.


Publications associated with this dataset can be found at NCALM's Data Tracking Center

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 (Select an area on map)
  Xmin = 381255.535267   Ymin = 3632637.732886   Xmax = 384159.420461   Ymax = 3635022.520158
  Manually enter selection coordinates (in the horizontal coordinate system listed above)  

2. DEM Generation (TIN)  

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

3. Error handling (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 & Notification

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

Email address
for notification upon completion of processing
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Data Citation     |     Use License: CC BY 4.0