3D Differencing [ Video Tutorial ]

Distribution and Legacy of Large Landslides, San Gabriel Mountains, CA 2017
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Overview

NCALM logo This dataset, located within the San Gabriel Mountain, CA was collected as an NCALM Seed grant for Christopher Gentile, University of California Riverside to investigate spatio-temporal distribution and legacy of large landslides in the San Gabriel Mountains, California. The requested survey area totaled approximately 40 km2 while the area actually surveyed totaled approximately 71.6 km2; coverage by the raster for the region provided below corresponds to the requested area while the point cloud dataset coverage corresponds to the surveyed area.


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. 3D Differencing Datasets and Coordinate System  


  Reference dataset:
  Compare dataset:  
Dataset:
Survey Date:
Horizontal Coordinates:
Vertical Coordinates:
Units:
Data Selection Coordinates (Select an area on map)
  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. Window Size  

Window Size  

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