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  • 3D model orientation with EXIF/GPS and Ground control points (GCP)

3D model orientation with EXIF/GPS and Ground control points (GCP)

3D model orientation with EXIF/GPS and Ground control points (GCP)

3D Model Orientation with EXIF/GPS and Ground Control Points (GCPs)

Welcome to 3Dsurvey Tutorials.

This tutorial explains how to improve 3D model orientation in 3Dsurvey using both EXIF/GPS data and Ground control points (GCP).

1. Initial Setup with EXIF/GPS Data

  • Begin by loading your auto orientation summary based on GPS data (approx. 1.5m accuracy).
  • To improve orientation accuracy, click “Orientate” and select “Orientate with Ground Control Points.”

2. Importing and Selecting GCPs

  • Import your GCP file and click “Next.”
  • Manually select three target points by zooming in, right-clicking to mark them in orange, and verifying the GCP placements across the model.

3. Fine-tuning the Orientation

  • Adjust each control point for precision, zooming as needed.
  • Once satisfied, click “Next” to view your improved orientation, typically achieving centimeter-level accuracy.

4. Final Confirmation and Moving Forward

  • Confirm your orientation improvements, then proceed to model reconstruction.
  • Check out additional tutorials for further steps on reconstruction and analysis.

Thank you for following along!

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