Ground Control Points

The goal of this exercise is to demonstrate to the user how to use and measure Ground Control Points and export its deviation table in Orbit. This exercise is a part of the adjustment procedure, the measured GCPs will be used further to adjust the data.

• Relevant for: 3DM Content Manager

• Ground Control Points

• Manage Orbit Runs and Projects

• BE Gent\MMS Orbit Runs
• BE Gent\Ground Control Points

Add and measure ground control points, export deviation table.

1. Open
   the run BE Ghent by Topcon.
2. Open
   the Ground Control Points extension.
3. Add
   the ground control points file “gcp_4326”.
4. Measure
   the points one by one. Keep the default settings. Move to other images to fully visualize the manholes.
5. Export
   the deviation table as “deviation_table.txt”.