Chaos Corona Forum
Chaos Corona for 3ds Max => [Max] Feature Requests => [Max] Resolved Feature Requests => Topic started by: rfletchr on 2015-07-13, 12:58:25
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Would it be possible to introduce an option in corona to have a "flagged" object or material render as alpha 0 but still give its full contribution (gi/reflections) to the scene?
So effectively it would be like having a shadow catcher on the selection set to "Always Transparent" but without the loss of contribution.
Mentalray has a feature called render subsets theres a nice usage case here http://www.ramyhanna.com/2010/03/power-of-render-selected.html
being able to render just a subset of objects with full contribution and occlusion is extremely helpfull when your sending stuff on to a comp department.
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I am not sure, but I think leaving "direct visibility" empty for rayswitch material is what you are seeking.
"Render selected" is another thing, it was already requested multiple times and will be implemented eventually.
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Interesting, ill check that out. Thanks Maru
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Those are two separate things, or at least two separate ways to do same thing.
Basically, first one is render of selected objects only. Not isolating them in the scene, but rendering only cutouts of those visible objects. That feature is already being implemented, and will be available soon.
Second one is making objects invisible to camera, but visible to everything else. That can be achieved the way Maru has explained.
I can't imagine how painful would it be to fake render selected feature by plugging most of the scene materials through rayswitcher just to achieve render selected effect, so first way is probably a lot more desirable.
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atleast i can script this and have a stop gap. but yes having a more direct way of doing this would be very very usefull. I would like to see per object contol on it rather than just "render Selected" though as it would lend itself better to a solid pipeline
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The idea is to have it working somewhat similar to Vray. Initially, it will have 3 modes: rendering viewport selection, rendering all objects with specified Object ID, and rendering all the objects added to include/exclude list.
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implemented