This exercise is intended to contrast how to build a DoD (DEM of Difference) with simple change detection minimum level of detection thresholding in ArcGIS’s raster calculator versus using the GCD..
Data and Materials for Exercises
File of Data for Exercise Part 1 and 2:
File of Data for Exercise Part 3:
Prerequisite for this Exercise
- Some ArcGIS experience
- ArcGIS 10.X w/ Spatial Analyst Extension
- GCD Add-In
Step by Step
Part 1A Raster Calculator
In this video tutorial, we show you how to do a simple DoD Analysis in ArcGIS 10 just using the rater calculator.
The example data used in this tutorial are from Sulphur Creek, Napa County, California.
Part 1B Threshold
Part 2 GCD
Part 3 Practice in GCD
GCD 7 Tutorial Video
GCD 6 Tutorial Video
Related Online Help or Tutorials for this Topic
GCD Tutorial Topics:
- Building DEMs Lab - From my Advanced GIS course