Photogrammetry
Point Cloud Classification: Ground, Vegetation & Buildings
Classify drone point clouds into ground/vegetation/buildings with Metashape, LAStools, PDAL, CloudCompare, ArcGIS Pro. Tool decision framework.
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Tag Archive
Metashape
9 articles on Metashape. Field-tested methodology from a GIS scientist with M.S. GIS, FAA Part 107, and 10+ years of geospatial work.
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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Photogrammetry
Image Overlap for Drone Mapping: Why 75% Isn't Always Enough
Image overlap drone mapping: 75/60 is the floor, not the target. Here's what fails when overlap is wrong and how to set photogrammetry overlap by job type.
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Survey Accuracy
Reading a Drone Mapping Quality Report — Pix4D & Metashape
The drone mapping quality report looks reassuring — until a client finds 8-inch errors. Learn to read every Pix4D and Metashape number before delivery.
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Survey Accuracy
Checkpoints vs Control Points in Drone Survey Accuracy
GCP residuals measure fit, not accuracy. Drone survey checkpoints provide independent validation. How to set them up in Pix4D, Metashape, WebODM.
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Survey Accuracy & GCPs
Coordinate Systems for Drone Operators: CRS Mistakes to Avoid
WGS84 vs NAD83, state plane, vertical datums — the CRS settings drone operators get wrong, and how to fix them in Metashape, Pix4D, and ODM.
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Software & Processing
WebODM vs Pix4D vs Metashape vs RealityCapture: 2026 Verdict
WebODM vs Pix4D vs Metashape vs RealityCapture: pricing, speed, accuracy, and GCP workflow compared — and which one wins for survey-grade work in 2026.
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Featured Article
Software & Processing
PIX4Dmatic 2.0: What Surveyors Actually Need to Know
PIX4Dmatic 2.0 absorbs PIX4Dsurvey into three tiers. Full comparison vs Metashape and DJI Terra on price, accuracy, GCP workflows, and deliverables.
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Hardware & Equipment
The Ultimate Hardware Guide for Drone Mapping
Drone mapping hardware guide: CPU, GPU, RAM, NVMe requirements for photogrammetry. Workstation builds by project size and processing software.
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