Creating Ground Control Points

Ground control points can be created/added in any of the following ways:

§  Create a control point at a known precise position, generally a surveyed point

§  Create a control point by clicking on an identifiable location on the terrain or LiDAR (e.g. road intersection or street corner)

§  Import a .gcp (text format) file with control point information

After creating a ground control point, you mark it in the relevant photos using the Control Point Editor. See "Marking Control Points in Photos" in this chapter for information.