I see iC7 now has iray. How is it with animation? Slow?


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Q:  Slow?
A:  Yup.

Figure 2+ minutes per frame.  Do the math.  Decide if it's worth it.  Plan accordingly.

I enjoy Iray, but I'd have a hard time using it for any animation longer than 30 seconds.
(30 seconds at 30fps = 900 frames.  If 2 minutes each,  that comes to 1800 minutes = 30 hours of non-stop rendering.  And that's if all goes according to plan.  And a 2-minute render time could be optimistic.)

To make matters worse, you can get variations in the "noise" from frame to frame, so a single still image might look great, but in an animation you'll notice a subtle flickering, especially on larger flat areas, such as walls.  Longer rendering times can help, but what's really needed is some form of "multi-frame" (temporal) noise reduction.  Iray might have it, but not the way we've implemented it, and it would probably kill our PCs anyway.

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