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3D Layers still revert to layer level hierarchy rather than Z-space

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Brandon Adams
3D Layers still revert to layer level hierarchy rather than Z-space
on Apr 21, 2010 at 8:20:55 pm

I haven't used Motion a ton, but I'm working on a project on a tight deadline and am a bit frustrated.

I have a 3D group that contains an image and a reflection clone. I'm animating that group as a whole.

I have a second 3D group that consists of a keyed speaker. The picture group is supposed to appear behind the speaker until a certain point where it then moves in front of him.

The problem is that I can't seem to figure out how to actually make that transition work. I have the placement all set for both groups' z-depth so that the effect should work, but the layer hierarchy in the layers view is determining which group appears on top, rather than their z-depth.

In other words, I can either have the picture group always behind the speaker, or always in front, and that is determined by the layer hierarchy. Z-depth does not affect

Can anyone point out what I'm doing wrong?

-Brandon


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Brandon Adams
Re: 3D Layers still revert to layer level hierarchy rather than Z-space
on Apr 21, 2010 at 8:21:23 pm

Forgot to mention I'm working in Motion 3

-Brandon


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Mark Spencer
Re: 3D Layers still revert to layer level hierarchy rather than Z-space
on Apr 21, 2010 at 9:05:01 pm

First, make sure your groups are 3D groups.

Then, make sure any layers or groups are not being rasterized, as indicated by a square around the layer icon - rasterizing is caused by certain effects and forces layer order.

--
Mark Spencer
Freelance Producer/Editor/Motion Graphics Artist
Apple-certified Master Trainer
Author, Motion 4 from Peachpit Press
http://www.applemotion.net


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Brandon Adams
Re: 3D Layers still revert to layer level hierarchy rather than Z-space
on Apr 21, 2010 at 9:11:13 pm

Thanks Mark. I'm using a mask in the picture group for the reflection, so it looks like that is requiring it to be a rasterized group.

Looks like I'm out of luck?

-Brandon


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Andy Neil
Re: 3D Layers still revert to layer level hierarchy rather than Z-space
on Apr 21, 2010 at 10:24:56 pm

Masks cause rasterizing because masks cannot be 3D. There are ways around it though. Depending on how your project is constructed, you can use an image mask, or even mask a 2D group and place it inside a 3D group.

Andy


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Mark Spencer
Re: 3D Layers still revert to layer level hierarchy rather than Z-space
on Apr 21, 2010 at 11:01:41 pm

I'm sure there's a way to accomplish your goal, but you need to work around the rasterization limitation. Hard to tell you what to do without seeing the project.

--
Mark Spencer
Freelance Producer/Editor/Motion Graphics Artist
Apple-certified Master Trainer
Author, Motion 4 from Peachpit Press
http://www.applemotion.net


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