Forums Technical Discussion Cryptomatte

Cryptomatte

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Andy_23
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Hi there,

Psyop made their Cryptomatte publicly available. A great solution to the problem of rendering out mattes of objects for compositing.
Have a look here: https://github.com/Psyop/Cryptomatte [github.com]

I'd love for this to be implemented in Mantra.
RFE ID=76466

Andy
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bender83
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+1 to this… would be awesome. So glad it's finally been OS'ed
Edited by bender83 - July 13, 2016 14:10:47
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pezetko
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RFE ID: 75219
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paxsonsa
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Very eager to implement this in Mantra

added to RFE #76466
Edited by paxsonsa - July 14, 2016 16:17:07
Andrew Paxson
PIPELINE TD | Industrial Light & Magic
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anon_user_05731284
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+1
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martinkindl83
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Tested HtoA implementation and besides objectID everything works as it should.
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martinkindl83
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I checked the papers, should not be hard to make pass through filter that would take object name, material name and ideally custom string attribute (for us using alembic node with path attribute) and feed it into cryptomatte.

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axalon
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martinkindl83
Tested HtoA implementation and besides objectID everything works as it should.

How did you get this to work? I added the AOVs:



And the passthrough in the SHOP:



But I can't get it to show up in Nuke…
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