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Holdout support

Posted: Tue Aug 04, 2020 11:52 am
by Dade
Added the support for holdout, see https://github.com/LuxCoreRender/LuxCore/issues/423 for some detail.

Re: Holdout support

Posted: Tue Aug 04, 2020 2:24 pm
by CodeHD
This sounds like a great feature!

How is it going to behave in combinations? For example, a holdout material behind glass?

I can imagine to place it behind a window, so that you get the glass reflections from inside the room and the remaining transparency to make an "overlay" with another video that shows the outside.

Re: Holdout support

Posted: Tue Aug 04, 2020 2:43 pm
by Dade
CodeHD wrote: Tue Aug 04, 2020 2:24 pm How is it going to behave in combinations? For example, a holdout material behind glass?

I can imagine to place it behind a window, so that you get the glass reflections from inside the room and the remaining transparency to make an "overlay" with another video that shows the outside.
At the moment, the red suzanne (the demo scene in linked issue) would be visible trough a glass (i.e. the holdout object is normally visible in anything but first path bounce). I assume this is the expected behavior but can be changed :?:

Re: Holdout support

Posted: Tue Aug 04, 2020 3:53 pm
by lacilaci
This is super nice to have, thanks

Re: Holdout support

Posted: Mon Aug 31, 2020 4:41 pm
by SteffenD
Very nice and useful. But are there plans to also support the Collection "Holdout" property (or what it might be called):
Image

This is already working in BlendLuxCore for "Indirect Only" right next to it.

Re: Holdout support

Posted: Mon Aug 31, 2020 6:55 pm
by B.Y.O.B.
Yes, it's planned.