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Lecture
Are you an EPFL student looking for a semester project?
Work with us on data science and visualisation projects, and deploy your project as an app on top of Graph Search.
This lecture introduces basic concepts of Digital Elevation Models (DEMs) in Geographic Information Systems (GIS). It covers methods for sampling elevation, different techniques to measure elevation such as leveling, photogrammetry, and LiDAR, as well as the creation of DEMs. The lecture explains the importance of relief in spatial analysis, the properties of DEMs, and the representation of elevation through hillshade models and contour lines.