MRAMeshOrbitalPlot3D: dox++ #1438

Job	Run time
macos-latest: clang++ Release Threads	16m 36s
macos-latest: clang++ Release OneTBB	2m 43s
macos-latest: clang++ Release PaRSEC	11m 51s
ubuntu-20.04: /usr/bin/g++-9 Release Threads	26m 5s
ubuntu-20.04: /usr/bin/g++-9 Release OneTBB	2m 22s
ubuntu-20.04: /usr/bin/g++-9 Release PaRSEC	2m 37s
macos-latest: clang++ Debug Threads	13m 36s
macos-latest: clang++ Debug OneTBB	2m 54s
macos-latest: clang++ Debug PaRSEC	4m 18s
ubuntu-20.04: /usr/bin/g++-9 Debug Threads	29m 16s
ubuntu-20.04: /usr/bin/g++-9 Debug OneTBB	2m 42s
ubuntu-20.04: /usr/bin/g++-9 Debug PaRSEC	2m 39s
	1h 57m 39s

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