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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Tag Archive
point cloud
9 articles on point cloud. Field-tested methodology from a GIS scientist with M.S. GIS, FAA Part 107, and 10+ years of geospatial work.
LiDAR
Ground Classification: LAStools vs CloudCompare vs ArcGIS Pro
How to pull the bare earth out of a 50-million-point drone photogrammetry cloud. The three tools compared: algorithm, workflow, cost, failure modes, and which one to pick.
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Photogrammetry Software
WebODM Settings Explained: Get the Best from OpenDroneMap
Every ODM processing parameter explained: feature-quality, pc-quality, matcher-type, mesh-size, SMRF, orthophoto-resolution. Three usable presets.
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Photogrammetry
Metashape Processing Settings: What Each One Actually Does
A practitioner's guide to Agisoft Metashape processing settings: what each quality slider controls, why the tradeoffs matter, and three presets for real jobs.
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Software
Drone Data in ArcGIS Pro: Import, Analyze, and Deliver
Drone data in ArcGIS Pro: import orthomosaics, point clouds, DSMs. Workflow to volume calculations, contours, and ArcGIS Online delivery.
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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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GIS & Data Processing
QGIS for Drone Data: The Complete Workflow Guide
Complete QGIS workflow for drone data: import orthomosaics, build pyramids, contours from DEMs, point clouds, QField field review. QGIS 3.44 LTR.
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LiDAR & Remote Sensing
LiDAR vs Photogrammetry for Drone Mapping: Accuracy & Cost
LiDAR vs photogrammetry for drone surveys: real accuracy numbers, hardware costs, processing workflows, and a decision framework — when each technology wins, and when it doesn't.
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Data & Deliverables
What Is Drone Data?
Drone data explained: imagery, orthomosaics, point clouds, elevation models, 3D meshes. How photogrammetry turns photos into geospatial products.
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