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Daniel Mikolajcak avatar image
Daniel Mikolajcak asked ·

Corona-like caustics

Hello,
I do many Archviz renders of pools and Corona Renderer has much more superior and realistic caustics for this use case. Is there a plan to have such easy-to-use and beautiful looking caustics featured in Arnold?

(I have tried all possible arnold workarounds and none have delivered good results)

https://corona-renderer.com/features/rendering-quality

c4dtoacaustics
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Ciro Cardoso avatar image
Ciro Cardoso answered ·
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Ciro Cardoso answered ·

I guess you need to use "fake" caustics. I honestly don't use caustics at all, because usually clients always want something more tone down. I believe is too "expensive" to calculate this type of effects. Corona has caustics true, but then it takes 17 hours to render a 5k image.

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I don't have impression it is that expensive in Corona, I have rendered caustics down below in about 30 minutes albeit not in 5K but 1440 p. You can also render part of image with caustics. I am also sure Corona caustics is some biased trickery.

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Ciro Cardoso avatar image Ciro Cardoso Daniel Mikolajcak ·

I agree that there are shortcuts to get those caustics.

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Not to dis on arnold, it does produce some nice subtle soft caustics. But it just don't do the job for rippling pools.

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Daniel Mikolajcak answered ·

Both rendered in Arnold one has caustics pass rendered in Corona laid over, it adds unprecedented emotion to it.


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Daniel Mikolajcak answered ·

yes I have, It has not worked in a pool-filled-with-water scenario, best solution right now is to render Caustics pass in Corona and use it in the post

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