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Trouble adding particular to 3D tracked scene

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kenneth bonde
Trouble adding particular to 3D tracked scene
on Apr 14, 2009 at 1:51:33 pm

Hi

I have a shot, shot from a helicopter. The scene has been 3D tracked in syntheyes and is perfect. When the maya project is imported into AfterEffects all nulls locks to the groundplane as expected.

Now I want to add trapcode particular to one of the nulls.

- Adding a comp size solid as a 2D layer.
- Adding trapcode particular to the solid.
- Using expressions I connect the emitter positions to the nulls.

Problems occurs !

The emitter ends up some other place in AE 3D space, even if I try to rewire the x,y,z values differently. If I turn off the 3D camera inside AE - the emittre is there, but I need the camera.

If I manually move the emitter position to the null, the x,y,z values a totally different.

It's like the world size of the AE comp and particular are totally different.

Anyone been there and solved it ?

Any help appriciated

>kenneth


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Jordan Montreuil
Re: Trouble adding particular to 3D tracked scene
on Apr 16, 2009 at 10:30:30 pm

I am also having the same problem. I want a light exported from Cinema 4D to act as my emitter but whenever the camera is active, the particles don't work. When I disable or delete the camera, the particles show up. Its almost as if the particles don't like the camera and run away when it comes up. I tried a test with a default camera and Particular works fine but it doesn't like Cinema's camera.

Any thoughts?


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kenneth bonde
Re: Trouble adding particular to 3D tracked scene
on Apr 17, 2009 at 6:41:22 am

Hi Jordan,

I got a reply to my question here:
http://toolfarm.com/phorumNew5/read.php?15,11948,11983#msg-11983

>kenneth


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