Chaos Corona for 3ds Max > [Max] Tutorials & Guides

How To Animate Corona Light Mix From One Frame

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piotrus3333:
I'll try again as I can see I'm not getting through. So please let me reiterate my concerns.

Why is an official youtube tutorial from Corona team claiming that 0.5+0.5 should equal 1.471?

What is gamma transform doing in the middle of LightMix??

TomG:
Because we are a Corona channel, not a Resolve channel :) This gave us the results we wanted, after some advice from Resolve/Fusion users when we were initially not getting usable results, so it's the workflow we've showcased here. The only one? The absolute most correct one? I couldn't say, but if it gets people started with usable results, then mission accomplished!

piotrus3333:
As a matter of fact there is only one correct way of doing the LightMix. And most Corona users should be pretty familiar with it:

maru:
I don't get the gripe/rant approach here. With your statements like "come on Corona Team - this one was sloppy" you make it sound like we made some horrible mistake here.

This is just a simple tutorial for beginner users. It's title is "how to animate Corona LightMix from one frame" and that's exactly what it shows, without any technical details. Since this cannot be done directly in 3ds Max+Corona, we are showing how to do it with 3rd party software. It's not a Fusion course, so we are not spending too much time on it or explaining what are the common Fusion issues and solutions. If you are an advanced Fusion / other compositing software user, you probably don't need a tutorial like this and you know all the tricks already.

If you want to composite things rendered in Corona - disable ACES OT in the Corona VFB. Yes, this is true, otherwise you will not be able to add the elements and get the expected results.

We are showing that if something looks darker, one solution is to apply gamma correction. That's it. It works. No need to overcomplicate it or provide extra technical explanation.

If a beginner users follows this tutorial - they will get the same results as we are showing. No need to overthink this.

piotrus3333:
True, I do consider this one a "horrible mistake". O rather how I would put it: unacceptable quality control. From Corona team. Just baffling. Hence the rant and overall tone.

And it is not about how you do things in Resolve. Yes, it is surprising why you did not show how to do it in Photoshop (quite an obvious choice I guess for "a simple tutorial for beginner users") but there is certainly nothing to complain about regarding the software chosen for the tutorial.


--- Quote from: maru on 2023-02-23, 11:10:53 ---If you want to composite things rendered in Corona - disable ACES OT in the Corona VFB. Yes, this is true, otherwise you will not be able to add the elements and get the expected results.

--- End quote ---
are you considering the output from Resolve - adding together gamma corrected elements - an "expected result"?? I have to argue here that an expected result is "exactly what you see in Corona" - nothing less, nothing more.


--- Quote from: maru on 2023-02-23, 11:10:53 ---We are showing that if something looks darker, one solution is to apply gamma correction. That's it. It works. No need to overcomplicate it or provide extra technical explanation.

--- End quote ---
Is that a bad joke? Just gamma it if looks too dark?? In an official tutorial of Chaos® Corona??? How on Earth is doing LightMix not the way Corona does it not overcomplicating it? Beginner user uses default Corona settings. Beginner user knows how to use the LightMix. Just show in the tutorial how to do the same in post. Same steps, same controls. Simple, right? Instead you show that someone making Corona tutorials does not know how Corona works.

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