This plugin allows you to perform processing on Digital Elevation Models (DEMs), it is based on the xDEM Python package. It is developed in collaboration between CNES (the French space agency) and Glacio Hack (a group of glaciology researchers).
For now, the plugin hasn't been released on QGIS, but you can already install it, here are the installation steps:
- Download the zip file from github
- In QGIS go to
Plugins>Manage and Install Plugins...>Install from ZIP - Select the downloaded file
- Click on
Install Plugin
It will take a few minutes for the dependencies to install properly, do not force QGIS to close.
Once installation is complete, xDEM will appear in the processing toolbox.
All the algorithms can be accessed through the QGIS Processing Toolbox in xDEM, they are organized into five sections.
- Bias corrections: For correction methods designed to correct both systematic elevation errors and spatially structured random errors.
- Coregistration: For affine transformations, these can include vertical and horizontal translations, rotations and scalings.
- Terrain attributes: To calculate derivatives of DEMs, such as curvatures.
- Uncertainty: To visualise potential errors resulting from corrections.
- Workflows: To run full pipelines and generate detailed reports.