Before I left for the science castle [an ALMA conference], I left the M33 data cube in VR rendering with higher resolution and wider camera separation for greater depth effect. I also saved it as an mp4, which means I can add the necessary metadata for this to work on YouTube. So you don't need a headset for this one, you can view it in regular browsers and use the mouse to look around. You can even turn on red-green 3D if you really want. Of course it's a lot better if you use an actual headset, and having it on YouTube should make viewing it a lot easier that way too.
This is still just a proof-of-concept test but I'm quite happy with the result. It could be fun to make this into a more fully developed, explanatory tour. What would be really nice would be to use the full AGES cube (this is only about 3% of the total), though that will require a different technique because otherwise I'll exceed the 1,024 image texture limit in Blender. I'll see how well Cycles handles image sequences as volumetrics. In the meantime I have a more detailed data cube to try out.
https://www.youtube.com/watch?v=ZI6dACWVni8
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