2 differencing tools available for dataset: Queenstown, Otago, New Zealand 2021
. Please select a tool for differencing high resolution topography:
Vertical Differencing (start with point cloud): Start Differencing
Subtraction of DEMs generated on-demand from point clouds. This tool is slower than the raster option, but users can select a subset of point classifications (for example, ground points).
Geologic and anthropogenic processes including river erosion and deposition, earthquakes, volcanic eruptions, deforestation, and urban growth.
Learn more about topographic differencing
Calculation of the 3D displacement field using a windowed implementation of the Iterative Closest Point (ICP) algorithm.
Surface rupturing earthquakes, creeping landslides, or other processes where the landscape shifts laterally.