Digital Photo Processing with Microstation and TerraPhoto

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1. Camera Calibration/Photo Processing Overview
2. Processing Steps
3. Model Key Points File Preparation
4. Image Timing File Preparation
5. Trajectory Preparation
6. Additional Resources

Photo processing in TerraPhoto requires the use of a model key points file generated from the lidar data collected coincident with the photos. This file is used to create the ground model used in processing.

• Classify ground, classify model key points using the following settings and save to a single .las file
  • every 1-=20m, 15cm tolerance above and below

1. Run Deduce Lines (as a macro), save all points
2. Classify a ground surface (as a macro if needed)
3. Run the Model Key Points classification (as a macro if needed), typically placed in Class 8
4. Optionally - run an output macro to put model key points in a separate las file (useful for calibration, when no tiling or blocking of data has be done, or when file size is an issue)