How to create caustics with Karma

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Please anyone help to figure out how to create realistic caustics using Karma Render..
Chetal A Gazdar
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Caustics are not yet supported in Karma for Houdini 18.5
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You could calculate caustics using intersect()- and refract(). Then apply them as a luminance map inside Karma.
Edited by Konstantin Magnus - 2021年3月3日 15:29:52

Attachments:
caustics.jpg (95.5 KB)
caustics_map.hiplc (810.1 KB)

https://procegen.konstantinmagnus.de/ [procegen.konstantinmagnus.de]
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Hi. Would you mind uploading a hip with that please? Best
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Mark Wallman
Hi. Would you mind uploading a hip with that please? Best

Hi Mark, I have just added it to the posting. You may have to manually save the image from COPs and load it into the emission shader.
https://procegen.konstantinmagnus.de/ [procegen.konstantinmagnus.de]
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Hi. Thanks for that! Best
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