Excuse me for coming in late on this Bryan. I saw one or two previous 
renderings before and I forget now what you're ultimate goal might be 
about-- if there was any, that is.

Well, I'm going to say something about this now. It looks to me like there 
needs to be greater emphasis on the light and media interaction. I could be 
way off on what you're really doing, but if I were you I would probably 
increase the brightness of the lighting coming from both the grid and walls. 
And in the process make the media brighter, too.

There probably should be very dark, nearly black, regions where the light is 
either in shadow or very weakly lit. The image seems to suffer the age-old 
affliction of being washed out. At least it does so here on my LCD screen so 
it could be different if seen elsewhere or just a matter of personal 
perception of what looks right. Even with the multiple light sources I'd 
still expect to see black areas along the pipes for example.

On closer inspection I see that beyond the hatchway door it looks dimly lit 
but with the same light as that which comes from above. Maybe you have a 
wall back there but it looks wrong, like you're media might be filling it up 
way behind there. Just making guesses outloud.

Also, area_light would probably be a good idea since those wall lights 
shouldn't be like point sources.

Bob Hughes

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