From: "Byron Nash" <AE-List@media-motion.tv>
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Date: Thu, 23 Jul 2015 18:26:49 -0400
Message-ID: <CANGV+5r_ZXJr1QC3KMutHeZhg=G4P-PjNarKHomYAqwzbmQyPA@mail.gmail.com>
Subject: 3 points to establish a plane
To: After Effects Mail List <AE-List@media-motion.tv>
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What's the math to determine a plane based on three nulls in 3D space? I'd
like to replicate the functionality of the built in tracker and be able to
select three nulls and get a layer that sits on that plane in space. I
figure it can be done with expressions and the pointAt() function but I'm
not sure how to get the 3rd dimension.

Thanks
Byron

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<div dir=3D"ltr">What&#39;s the math to determine a plane based on three nu=
lls in 3D space? I&#39;d like to replicate the functionality of the built i=
n tracker and be able to select three nulls and get a layer that sits on th=
at plane in space. I figure it can be done with expressions and the pointAt=
() function but I&#39;m not sure how to get the 3rd dimension.<div><br></di=
v><div>Thanks</div><div>Byron</div></div>

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