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Ultra Key Leaves No Transparency

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Tim Glaim
Ultra Key Leaves No Transparency
on Dec 5, 2016 at 3:55:02 am

Hi, everyone.

So, I'm trying to use Ultra Key for the first time and all it does is turn the color I choose to black. It doesn't reveal the layer beneath. In fact, no matter how I stack the layers, the background I want always seems to be on top. What am I doing wrong?

Thank you.


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mark thompson
Re: Ultra Key Leaves No Transparency
on Dec 5, 2016 at 7:22:04 am

Tim,
probably more information required. Perhaps a screen shot might help?

I just did a test on CC 2017 and Ultra Key is working just fine there.

Black is what you would see if there is no layer below the layer being keyed. Perhaps it is disabled or masked out or something.


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Tim Glaim
Re: Ultra Key Leaves No Transparency
on Dec 6, 2016 at 12:38:31 am

Thank you.

Here is the project with the background on top:


Here it is with the green screen on top:


Here it is with the green screen on top and the green color keyed out:


Again, thank you.


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Steve Brame
Re: Ultra Key Leaves No Transparency
on Dec 6, 2016 at 12:49:12 am

Your 'starfield' track is turned off. Uncheck the little blue eyeball icon next to it.

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Tim Glaim
Re: Ultra Key Leaves No Transparency
on Dec 6, 2016 at 12:48:47 am

Here it is with the green screen on top and the background visible:


Here it is with the background on top and the green screen keyed out:


Again, thank you.


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Steve Brame
Re: Ultra Key Leaves No Transparency
on Dec 6, 2016 at 12:59:38 am

I usually try to stay away from the 'Setting' setting. Yours is set to 'Aggressive', and I suspect that it's too strong for your footage. It's better to actually tweak the individual settings yourself, though there's a little bit of a learning curve. I have a general method, but others probably have a different approach.

Asus P6X58D Premium
Core i7 950
24GB RAM
nVidia GeForce GTX 770
Windows 7 Premium 64bit
System Drive(OS, Projects) - WD Caviar Black 500GB
2nd Drive(Pagefile, Media Cache) - SSD 150GB
Media Drive(Media Files, Previews) - 2TB RAID0 (4 - WD Caviar Black 500GB drive)
Matrox MX02 Mini
Adobe CC (Premiere 2015.4)
QuickTime 7.7.5


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Tim Glaim
Re: Ultra Key Leaves No Transparency
on Dec 6, 2016 at 2:30:02 am

Which settings? I've fiddled around with all of them and still can't see anything.


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mark thompson
Re: Ultra Key Leaves No Transparency
on Dec 6, 2016 at 7:30:18 am

Tim,
the correct configuration is the one with green screen footage on top. It is actually working for you! But not very well.

The settings being mentioned are the ones you are showing in the effect controls panel for Ultra Key.
One problem may be your expectations - Green Screen keying is much more of an art than a technique, you have to work on those settings as has already been suggested.

The most important setting is the actual green you pick. You need to click around the picture of the heads to pick the exact color that works for you.
One tip is to put a solid magenta layer under the green screen layer (only temporarily) that will more easily show you how well the keying is doing. The problem with using the mostly black starfield plate is that it is not to easy to see how well the keying works.

If you post a screen grab of the green screen movie I will have a go and see if I can pull a key .

Also, as has been suggested, have a look at some Ultra Key tutorials as they explain the settings.


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