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Any way to use different effects for different layers?

Posted: Mon, 6th Jul 2009, 4:10am

Post 1 of 5

nuyawk

Force: 1000 | Joined: 7th Feb 2007 | Posts: 24

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Been off the wagon for a while now I'm trying something new.

1. Layer one: background footage (regular street)
2. Layer 2: Man walking

What I want to do is add a "black and white" FX to layer one (background) and then add a "nightvision" layer to layer 2 (Man walking)

But as it stands now, when the 2nd layer is added (over man) the entire scene is blanketed (the shot is a fusion of "black and white" AND "night vision")- I'm looking to have the man ONLY have a "night vision" layer and the background to only be "black and white" without rendering each scene seperately using their specific FX and then doing a third run to render the two shots together.

Is there a way to have a grade object/FX "ignore" a certain layer?

(PS: There's lots of movement so using a mask would not really work as I would have to adjust it frame by frame and it would take too much time smile

Thanks
Posted: Mon, 6th Jul 2009, 8:46am

Post 2 of 5

B3N

Force: 3081 | Joined: 26th Feb 2006 | Posts: 1534

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I can only suggest reshooting the man walking with a greenscreen...or you could using GIMP or Photoshop or even Paint to create a object matter mask.

Basically if you render your scene as a bunch on PNG's you'll be able to opens the images in your image editor of choice and draw around your selected subject in white then give the background a plain black color. Basically like,



Then when your in Visionlab, import the images as an imagestream,then go onto the man walking layer and give it an object mask and select then new object layer mask.

It's a time consuming thing but you have to take your time on these things. smile

This is also only one suggestion, there might be an easier option though!
Posted: Mon, 6th Jul 2009, 9:31am

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Simon K Jones

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The whole point of a grade object is to affect every layer underneath it.

If you want grading to apply selectively to specific layers, just use the object's specific 'grade' track.
Posted: Mon, 6th Jul 2009, 2:49pm

Post 4 of 5

nuyawk

Force: 1000 | Joined: 7th Feb 2007 | Posts: 24

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Question answered.

Thanks both.
Posted: Tue, 7th Jul 2009, 2:12pm

Post 5 of 5

Kirkeric

Force: 1000 | Joined: 19th Sep 2008 | Posts: 13

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That was my first thought too but obviously, if you shoot the man, it would pretty well need to be on green screen in order to not have a background on the guy.

Tarn wrote:

The whole point of a grade object is to affect every layer underneath it.

If you want grading to apply selectively to specific layers, just use the object's specific 'grade' track.