As I understand it you have a set of camera positions saved to dots, and then want to restore the dots when the scene is re-opened much later in time.

Free at ShareCG is the PoserPython script "Export Poser Cameras and Lights", which saves Poser camera co-ordinates out to an XML file.

Free at ImpWorks are a set of Vue "Python scripts for loading and saving camera data to and from .CSV files. These scripts are useful for moving camera animations between scenes.”

Possibly either or both of these scripts might give a Python expert a quickstart on getting a new Poser script made, to make some kind of "save/restore camera positions" script which would do what you want? Either via the dots, or perhaps a new mini-panel?

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