I did it! I made a translator for the Visitors! I'll post it later.
A quick note: most of the actual props with the writing are gibberish. another annoyance is that the propmakers apparently didn't know/care whether the symbols were right side up or sideways. I've even seen several where they reused a prop several times in different settings. The printed pages with visitor writing are cool, but much of the writing on them is upside down. Then again that could, at least in theory, be a feature. The ancient Greeks would either write from left to right or right to left depending entirely on whether they felt like it. A language that is