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Duplicating a clip causes their grades to be synced

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Mike Jenkins
Duplicating a clip causes their grades to be synced
on Jul 30, 2014 at 9:28:38 pm

Hi forum,

I am trying to duplicate a clip in the timeline so I can apply two different grades and blend them. I noticed that when comparing two grades with a reference wipe, using the "Mix" function gave me exactly the look I wanted, which was different from either of the two grades. So I figured I could duplicate the clip, apply "Warm" to one clip and "Cool" to the other, then play around with blend modes and opacity until I got the right look.

HOWEVER...I have a weird problem. After duplicating the clip in the timeline, I stacked it on top of the original. Then I go into the Color room. I have grade "Warm" and grade "Cool" saved, so I open the original and apply "Cool" then go to the duplicate and apply "Warm". What happens is any time I make a change to one clip, the other is perfectly synchronized (and I don't want it to be.) So if I apply "Warm" to the original, then apply "Cool" to the duplicate, the original also becomes "Cool". If I disable a node in one clip, it disables the same node in the other clip. And so on.

Does anyone know if this is expected behavior, or is this a bug in DaVinci 11 Beta 2? I really don't want it to operate this way, so if someone knows how to unlink the two clips so I can grade them differently I need to know the right way to do it!

Thanks in advance.


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Eric Johnson
Re: Duplicating a clip causes their grades to be synced
on Jul 30, 2014 at 10:50:25 pm

If you look in the manual RE: remote/local grades, I believe you will find your answer.

Also, look into parallel/layer nodes and the key mixer, pretty sure you can do what you're trying to do in one node tree.

eric b johnson
online editor | colorist | workflow
http://vimeo.com/ebjohnson/colorreel


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Mike Jenkins
Re: Duplicating a clip causes their grades to be synced
on Jul 31, 2014 at 4:30:18 pm

Great thank you! I'll read up on that now.


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Eric Johnson
Re: Duplicating a clip causes their grades to be synced
on Jul 31, 2014 at 5:43:18 pm

Upon second reading... also look into "unmix"

eric b johnson
online editor | colorist | workflow
http://vimeo.com/ebjohnson/colorreel


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Mike Jenkins
Re: Duplicating a clip causes their grades to be synced
on Jul 31, 2014 at 9:30:04 pm

Thanks for the advice. I've been reading the manual on set all day and I think I will get the effect I'm looking for using the Parallel mixer and leaving that at its default setting. Alternatively I will try layer mixing using different composite modes.

I did a quick search for "unmix DaVinci Resolve" and I can only find references to unmixing dissolve transitions to grade both sides of the effect. Is that what you're referring to or something else?


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Eric Johnson
Re: Duplicating a clip causes their grades to be synced
on Jul 31, 2014 at 9:45:45 pm

That's the one. It also allows you to see what you are selecting if it's not the top visible track.

eric b johnson
online editor | colorist | workflow
http://vimeo.com/ebjohnson/colorreel


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Marc Wielage
Re: Duplicating a clip causes their grades to be synced
on Aug 3, 2014 at 6:02:30 am
Last Edited By Marc Wielage on Aug 3, 2014 at 6:04:26 am

[Mike Jenkins] "I am trying to duplicate a clip in the timeline so I can apply two different grades and blend them. I noticed that when comparing two grades with a reference wipe, using the "Mix" function gave me exactly the look I wanted, which was different from either of the two grades. So I figured I could duplicate the clip, apply "Warm" to one clip and "Cool" to the other, then play around with blend modes and opacity until I got the right look."

I think you're trying to do something in a needlessly complicated way. I bet that the exact look you want could be achieved without mixing the two looks together, merely by starting from scratch in a single node.

Often the trick in color correction is coming up with the right look in the shortest amount of time -- not spending precious minutes working and working and working on a look by adding and subtracting corrections. I agree with Eric above that sometimes, parallel nodes can yield some unusual effects by combining simultaneous corrections. The key mixer can also be of help in some cases.


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