Software & Processing
WebODM 3.3.0 and COLMAP 4.2.0: What Shipped, Who Upgrades
WebODM 3.3.0 adds Gaussian splat viewing and automatic datum grid downloads. COLMAP 4.2.0 reworks the global mapper, and 4.2.1 already patches it.
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Tag Archive
COLMAP
4 articles on COLMAP. Field-tested methodology from a GIS scientist with M.S. GIS, FAA Part 107, and 10+ years of geospatial work.
Photogrammetry Workflow Guide
How to Create a Georeferenced NeRF from Drone Imagery
Build georeferenced NeRFs from drone imagery: RTK/PPK integration, COLMAP geo-registration, Nerfstudio, point cloud export, checkpoint validation.
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Technology
RealityScan vs COLMAP vs ODM: Linux Photogrammetry (2026)
RealityScan vs COLMAP vs OpenDroneMap vs Meshroom for photogrammetry on Linux: headless CLI, Docker, NVIDIA needs, and which tool wins for your workflow.
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Photogrammetry Workflow
Georeferenced NeRF vs Photogrammetry: When Each Wins
NeRF vs photogrammetry for drone mapping: accuracy numbers, output products, georeferencing limits, and a decision framework for when each wins.
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