# Pto merge

pto_merge can merge several project files to one project file, so that the final project contains every image only once. The same function can be accessed in Hugin by File>Merge project (see Main menu)

Invoke it by

      pto_merge -o merged.pto project1.pto project2.pto project3.pto

This will merge the project files project1.pto, project2.pto and project3.pto into a new project file named merged.pto.

If the switch -o or --output is not given, it will add the suffix _merge to the filename of the first project file. So

      pto_merge project1.pto project2.pto

will create a merged project file project1_merge.pto.

Hint:

- pto_merge does not check for duplicate control points. It adds all control points found in the given input files.

Retrieved from "http://wiki.panotools.org/Pto_merge"

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