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- May 9 2016, 8:14 PM (175 w, 6 h)
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This production didn't have any bounces turned on so hacks were necessary. The next one will probably have one bounce turned on so any adaptive sampling (etc.) techniques would help us a ton. Is there any timeline for these features?
That might have been simpler to program haha.
You're very welcome! Blender has been an awesome tool for the studio and this is the least we can do! I'll get someone from production to comment but basically it's a film vision vs. realism tradeoff thing.
I'll have to track down some production renders for you. The node is actually 2 algorithms. Fat mode doesn't require any hole filling because the transparent pixels always ramp up from the object borders which sometimes makes objects look a bit fatter (hence the name). This also makes it suitable for use over frames rendered with a single layer. The other (non-fat) mode is really only suitable for objects that are rendered in their own layers. It doesn't make the objects look fatter but it is susceptible to alpha holes. The hole filling algorithm sounds similar to what Pixmotor describes from what I can tell. An estimate of the alphas for the holes are made and compared with the unblurred object alpha. Then the color of the hole is "boosted" to fill it in.