Regarding Windows, of course the copy command is a different syntax. I don't
imagine a bash shellout command would work either. The files ap_skip.inc and
povray.ini would need to be modified to produce a command string which Windows
would be able to run. Sorry, I cannot offer much help with that.

I ran a subset of the frames, skipping the initial static interval. The same
problem occurred; the display of the first frame was initially black, but
subsequent frames did not reset to black. I rewrote the code to produce a
9-second video where the first static second is avoided, but this did not fix
the problem either.

I will continue to make simpler and simpler code until it works correctly, then
I will post the simplest code I could make which demonstrates the problem.

I am grateful for your patience.

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