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rpf use in CS3
I’ve got a simple 3D object, rendered in MAX. I save a RPF image, and imported it into CS3. Also in my composite, I have footage of a woman shot on green screen. I have keyed out the screen and want her in the 3D object.
I added a Depth Matte to the 3D object, and can move it forward and backwards, but this doesn’t effect it’s relation to the 2D shot of the woman.
How do I also move the shot of the woman, so that her depth is somewhere in the middle of the 3D object?
Cheers,
Sterling
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6 Replies
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erm…i
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I tried that, but it doesn’t work the way I want. When you move something forward or backward in 3D space, is get larger or smaller. I don’t want things to change size.
In combustion, this is no problem at all. You can change the depth of a 2D layer with no problem. I can’t believe AE can’t do it.
-Sterling
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You should just be able to move her to the correct position in z-space and then use scale to bring her up to the size that looks good for your comp.
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I think that what he wants is to have this woman standing inside the object. For example lets assume that this 3d object is a bowl, or a bucket, small swimming pool, whatever.
I belive that he thinks that rendering this 3d obkect with depth will result in being able to put the one layer inside the object, so that some part of the obkject is in front of her, and the other is behind.
am i right?
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Did you google “RPF” and “depth matte”?
This might help:
https://www.creativemac.com/2004/01_jan/tutorials/lw2ae2.htm -
In AE you can use the depth matte to slice the image layer from a certain depth and forward.
You can use this to comp the layer in front of a 2D object that you place in Z-depth, but you will need a copy of the 3D-image in the background. A sandwich.– No Parking Production –
Finalcut Studio, Dual G5, Kona 2, X-Raid
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