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  • Hey all, just changed over the backend after 15 years I figured time to give it a bit of an update, its probably gonna be a bit weird for most of you and i am sure there is a few bugs to work out but it should kinda work the same as before... hopefully :)

How to remove a power window midway through a clip in DaVinci?

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Desmond Ford

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How do I remove a power window from a clip, once the object in the power window is gone, but the clip is not yet finished?

I have a single shot, 30 second clip of a hand holding a smart phone. All the action is taking place on the screen of the smart phone. The phone is playing a video of a guy doing some funny poses and horsing around. I put a power window on his face and brighten him up, add some saturation, etc... then I track him... He's present about 10 seconds before, suddenly the screen goes white with new text and image displaying an incoming call... Basically the person is watching a video on their phone when they receive an incoming call that interrupts the video.

Now I have the oval shape with the correction in the middle of the screen that has no person, just text on a white background displaying the caller id for the incoming call. So it obviously looks bad with this bright, orange oval in the middle of the screen just hovering around even though the guy is no longer there.

How do I get rid of the oval power window?

Is this a key frame issue?

Any help would be appreciated...
 
You can also keyframe the output gain value in the Key tab. Akin to the opacity if it were an adjustment layer in Photoshop.
 
jimhare said:
Pretty sure you track it then manually adjust it to pull it off screen.
Click to expand...

It definitely does not work that way. I've tried it a million times.

There is something else, but I don't remember...
 
Brandon is correct. You can keyframe the opacity of window correction by setting couple of keyframes and adjusting Gain in key mixer. Dragging the window manually and setting keyframes will look too obvious, but it can be done too, but it will not be as seamless as doing it with opacity change.
 
Yes, I see now how to do it with the key frames. It took me forever to figure it out, but thanks for the help.

One thing I still don't understand is the difference between "static" and "dynamic" key frames and how you mix the two for a desired result.

Anyone?
 
Peter Chamberlain said:
This operation is covered in the user manual Desmond. Give it a try.
Peter
Click to expand...

I did, and I always do.

It's an amazing resource, but a few of the explanations are not quite as straightforward as the manual would suggest... at least not to me. I had to spend a solid four hours on it last night to get it exactly how I needed it.

I also have a lot difficulty with Alpha Channels and Relinking Media to a new source, despite the user manual's instruction.


dezzy
 
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