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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12 articles on OpenDroneMap. Field-tested methodology from a GIS scientist with M.S. GIS, FAA Part 107, and 10+ years of geospatial work.
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.
Rent a 64 GB cloud server for about $0.13/hour. Launch an AWS EC2 spot instance, install WebODM 3.3.0, and process 500 images for under $1 before downloads.
Organize drone images in S3 for WebODM: folder structure, presigned URLs for client delivery, lifecycle policies to control storage costs. CLI included.
WebODM 3.2.8 adds DXF export for permanent overlays. OpenDroneMap's ODM 3.6.2 fixes a bug that could silently drop GPS telemetry. Two separate projects, same day: what shipped.
Every WebODM/ODX processing parameter explained: feature-quality, pc-quality, matcher-type, mesh-size, SMRF, orthophoto-resolution. Three usable presets.
WebODM install guide for Windows, Mac, Linux: free installers, Docker setup, first task, hardware requirements, common errors. Free photogrammetry on your hardware.
WebODM split from OpenDroneMap in April 2026 and now runs its own forked engine stack: ODX, NodeODX, ClusterODX. Which one you actually install, and what to watch for.
Can RealityScan (formerly RealityCapture) run on Linux? Epic's Wine-based CLI build, a script built from Epic's documented commands, and how COLMAP, ODM and Meshroom compare.
WebODM cloud vs local: AWS spot costs (~$2-5/job), egress surprises, decision framework for when cloud wins vs when your workstation is better.
WebODM and OpenDroneMap are now separate projects. ODX, NodeODX, ClusterODX, ODM and NodeODM explained: what each does, which you need, and how WebODM compares to Pix4D.
WGS84 vs NAD83, state plane, vertical datums — the CRS settings drone operators get wrong, and how to fix them in Metashape, Pix4D, and ODM.
WebODM split from OpenDroneMap on April 6, 2026. What changed and how to migrate: new GitHub URLs, Docker images, the ODX engine, and docs.
Free download: The Complete Drone Mapping Workflow Guide — 30+ pages of field-tested methodology.
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