Learning materials for AgiSoft
Agisoft PhotoScan is a photogrammetry processing tool that generates 3D spatial data.
AgiSoft has many useful training materials on their website, a few of which feature landscape DEM generation;
Beginner level tutorials with downloadable lessons and sample data may be found here. We suggest that you begin with "Orthophoto and DEM Generation (with GCPs)".
Intermediate level tutorials are also available by following this link.
- Tips & Tricks are also avalaible.
The AgiSoft YouTube Channel is also a highly useful resource.