Ground Truth

Independent, field-tested guidance on drone & handheld mapping for Australian teams — platform selection, accuracy, compliance and data workflows.

Aerial LiDAR of a stadium and grounds. The shell a drone pass can seeBest Practices

Ground Truth

Sep 03, 2026

One site, two platforms, one point cloud: how to merge drone LiDAR with a handheld scan

Every site has parts the drone cannot see. Field and processing workflow to merge...

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Night overhead of an active construction pad. The measured site a drone model can overlay on the design BIMBest Practices

Ground Truth

Aug 29, 2026

A drone model is not a BIM. It is the measured site you overlay on the one you drew.

Tenders say digital twin and mean a current, georeferenced 3D you can fly again....

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How SLAM mapping works: LiDAR, walk-through scanning and RTK

Ground Truth

Jun 19, 2026

How SLAM mapping works: LiDAR, walk-through scanning and RTK

Laser time of flight, fused LiDAR and visual SLAM, and AUSCORS RTK explained on...

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DJI Terra reconstruction of a point cloud used for a repeated mapping outputComparison

Ground Truth

Feb 06, 2026

Terra builds the model. Modify cleans the mesh. Repeated surveys live or die on the coordinate system.

Terra turns a flight into a measurable file. Modify repairs a mesh you already...

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