Watch this Before Using Cryptomatte 

You are welcome! We'll do our best to keep on delivering them at a good rate (13 videos so far in 2023, a combination of tutorials and shorts), especially as people are finding them so helpful. Thanks! Tom

@@ChaosCorona Then I'll add more: for example, a good form of short training videos is at the Maxon Training Team ru-vid.comfeatured

TY! Yes we want to keep a mix of shorts, quick tips of a few minutes, and longer form videos, when it comes to training. We also have another idea we hope to unveil in the next month or two :) Thanks! Tom

@@ChaosCorona Thanks for the answer. And finally, I yet will express my opinion as a content consumer: it is better to release 3-4 short (2-3 minutes) in a month, than 1 very long one in half-year. Wish success 😉

We agree with that! Thanks for the feedback :) Tom

You are welcome, glad you found it useful! Tom

Hi! There is a great document for this at docs.chaos.com/display/CRC4D/Corona+Round+Edges . We'll keep it in mind for a video tutorial, but it is so straightforward that the written document really does cover it all (we prefer to prioritize tutorials that go through things that are harder to follow in a written format, where video is the best way to do the walkthrough on achieving the results). As mentioned, we'll keep the suggestion in mind though! Thanks! Tom

Hi! It just isn't added yet, but it is planned to add it in the future. Thanks! Tom

@@ChaosCorona Cool, thanks for your quick response!

You are welcome!

You're very welcome - glad you found it useful! Tom

@@ChaosCorona Will this work in VFB directly someday without having to send to PS?

Hi Bruno! There are no plans for this currently, though the feature suggestion was made recently and the developers will review the idea again. In the past, our approach is not to try to turn the VFB into "Photoshop inside 3ds Max" as we like to keep things clear, uncluttered, simple - and for more involved stuff then there is always the existing solution of doing it in another editor in post. That arises from Corona's philosophy of keeping everything easy to use and straightforward, aiming to give the tools everyone will always need without adding tools that some people will need only a small percentage of the time. However, we'll see what comes of revisiting the idea though! Thanks! Tom

@@ChaosCorona Understood Tom! Good explanation, keeping Corona as simple and accessible as possible! Thanks again!

You are welcome! Tom

Yes, should be the same - the reason for having it in the VFB is a lot of people do not want to have an extra step of working in an extra (paid) piece of software, and prefer just to get an end result with exposure etc. all set directly in Corona with no need to go to a post-processing program. Of course, you are welcome to do it t he other way and use a video or image editing package to do the final touches to a render :) There are certainly things that can be done in Photoshop and others that can't be done in the VFB, we don't aim to replace Photoshop there that would be too complex - instead the aim is for people to do the main edits required 90% of the time for a final render without having to move to/pay for extra software. Hope this helps! Tom

PS - things like adjusting exposure, color, etc. of one object in post is the kind of thing the VFB can't do, but that can be done in post by taking advantage of cryptomatte. The VFB doesn't allow edits on a per material or per object level, just the whole scene. So that's one of the "comes up less often" cases that cryptomatte is there for, and when you would head to post-processing software for that level of control. Tom

@@ChaosCorona Great! Thank you for fast reply! :D

Most welcome! Tom

No, sorry - Corona is not aimed at situations (workflows, pipelines) where deep pixel compositing would be required so it is not a priority. V-Ray however does provide such capabilities, as it is definitely the kind of workflow that our sister engine is aimed at :) Thanks! Tom

I see, thanks!!

@@ezr3alfrost You are welcome!

Thank you, glad you found it useful! Tom

Thank you! Glad you found it helpful :) Tom

Let us know if this helps - right click on the source footage, then Interpret Footage -> Main. There, uncheck "Preserve RGB" to have it imported as linear space. As a note, it's often easier to ask this kind of question on the forums as we could have shared a screenshot of the UI in After Effects where this appears ;) Either the Max or the C4D "I Need Help" would be a fine place to ask. forum.corona-renderer.com/index.php - thanks! Tom

@@ChaosCorona Thank you Tom! The issue persists, but you are completely right. I'm going to open a thread in the forum to see if we can come up with a solution. Seems like a really powerful tool, but we still have to know how to use it. Material ID mode would be really nice for our cryptomattes. Thank you so much!

@@UxiaBanos TY for posting there, we can definitely have a better convo over there than here, let's dive on in to it together with the community! Cheers! Tom

It is possible in 3ds Max, just select CXR as your output format when setting up to save to a sequence. Unfortunately, Cinema 4D does not support this at the moment so cannot render sequences that use cryptomatte. Hope this helps, Tom

@@ChaosCorona what a shame, I am a c4d user🥲

Thank you for the feedback, happy you found it useful! Tom

Sorry you don't like the implementation - the main difference is that cryptomatte can account for motion blur or depth of field blurring, which masks cannot. Also, it is distinct from a material ID (or any other mask) because each object is masked out (rather than having different masks for different materials, or the same mask on different objects for the same material). The aim here is for it to be used in post-process, not inside the VFB, which is where cryptomatte is at its most useful, but if you feel otherwise then you can always let us know new feature requests over on the forums at forum.corona-renderer.com/ . Hope this helps! Tom

​@@ChaosCoronayeah but why not make it accessible in the vfb as well? It is definitely not that hard nor cause so many problems cause there are only like 15 effects in the vfb anyway. Corona is used mostly by architects and due to mistakes happening due to time limit, they need it more than anyway