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How to use the Stock Footage

Posted: Sat, 13th Dec 2008, 4:55pm

Post 1 of 8

damadman

Force: 2600 | Joined: 31st May 2008 | Posts: 4

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I have the stock footage library and I imported a file into VisionLab Studio. It is on a black background. How do I remove the background so that I can use just the footage without the background. Does the file have an alpha attached to it? I looked through all of the settings and have been unable to find out how to remove the black background.

Any help would be appreciated.

Thank you

Mike
Posted: Sat, 13th Dec 2008, 7:35pm

Post 2 of 8

spydurhank

Force: 1956 | Joined: 24th Jun 2008 | Posts: 1357

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left click the stock footage once its on the time line, you'll see "object attributes" appear on the top right of your screen. go to the 1. that reads "composite" it should say "normal" to the left. on the same bar all the way to the left is an icon "don't know what it means" click on that and you'll see other options. click on "screen" or "Add" one of those will work for you. biggrin just remember to have your regular footage below your stock footage on the time line.
Posted: Sun, 14th Dec 2008, 4:09am

Post 3 of 8

damadman

Force: 2600 | Joined: 31st May 2008 | Posts: 4

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That worked! I appreciate the help. The only issue that I am having now is that the object is very transparent to the other footage. Is there a way for me to change the color of the object and the transparency?

Thanks

Mike
Posted: Sun, 14th Dec 2008, 7:04pm

Post 4 of 8

spydurhank

Force: 1956 | Joined: 24th Jun 2008 | Posts: 1357

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If you're using stock footage of an explosion? copy it onto the time line as many times as you need. that' will give it a more solid appearance. biggrin
Posted: Sun, 14th Dec 2008, 7:21pm

Post 5 of 8

damadman

Force: 2600 | Joined: 31st May 2008 | Posts: 4

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That seems a little tedious. Is there a way to merge layers after doing that? If I need to keyframe then that means that I will have to move each layer seperately?
Posted: Sun, 14th Dec 2008, 8:59pm

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Axeman

Force: 17995 | Joined: 20th Jan 2002 | Posts: 6124

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SuperUser

Well, you might be able to render them together, then re-import the resulting clip. Duplicating layers (a lot) is actually pretty common in compositing work. A better technique might be to add the first layer, do all of your keyframing, then duplicate the layer as many times as necessary.

Alternately, you could use a value key to key out the black.

Visual effects, by the way, are generally very tedious work, to get good results.
Posted: Sun, 14th Dec 2008, 9:05pm

Post 7 of 8

damadman

Force: 2600 | Joined: 31st May 2008 | Posts: 4

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Yes, I know that it is a lot of work. How would I use a value key in Visionlab Studio?

Thanks for your info and help

Mike
Posted: Sun, 14th Dec 2008, 9:39pm

Post 8 of 8

Axeman

Force: 17995 | Joined: 20th Jan 2002 | Posts: 6124

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SuperUser

In general, it works the same as a chroma key, a difference key, or any other type of key. Its listed among the key filters, and you click on it to apply it, then adjust the settings according to the needs of your clip.