Data Sources 5 Free Global DEM Data Sources – Digital Elevation Models Want to elevate your chances of finding a digital elevation model? Sure you do. You should dive into our list of free global DEM data sources.
GIS Analysis DEM, DSM & DTM Differences – A Look at Elevation Models in GIS We explore the differences between DEM (bare earth), DSM (natural and built environment) and DTM (vector contours and regularly-spaced points).
Remote Sensing A Complete Guide to LiDAR: Light Detection and Ranging How would you like to wave your magic wand and find out how far everything is away from you? No magic wands necessary. This is how LiDAR works.
