Connect mask path to follow Boujou null

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Old 05 May 2010   #1
Connect mask path to follow Boujou null

Hello people,

I have a cg element that contains a mask around it.
I also have null objects from boujou.
Is there a way ( an expression or something ) to connect the mask path to that null ?

Thank you in advance,
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Leonidas
 
Old 05 May 2010   #2
This script lets you add expressions to individual mask points. You'll want to link all the points to the Position/Rotation/Scale (depending on what's animated in the Null Object) properties of the null.

Alternatively if you're trying to roto something, put your mask on a new solid and parent that layer to your track. You can use Alpha/Luma mattes to cut things out.

Hope that helps!
 
Old 05 May 2010   #3
This script lets you add expressions to individual mask points. You'll want to link all the points to the Position/Rotation/Scale (depending on what's animated in the Null Object) properties of the null.

Alternatively if you're trying to roto something, put your mask on a new solid and parent that layer to your track. You can use Alpha/Luma mattes to cut things out.

Hope that helps!
 
Old 05 May 2010   #4
Very cool, thank you Ben.

I fixed it by creating the same mask on an adjustment layer and then used Alpha matte on the layer that had the mask before.. then pick whip the position attributes on the tracked layer from boujou... It works!
Thank you for your reply,
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Leonidas
 
Old 05 May 2010   #5
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