3 decimals is not a lot of precision for rotation matrices


Re: 3 decimals is not a lot of precision for rotation matrices
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No. Because you can do a scale and rotate at once.

And even if your part is a rotation matrix, simply scaling it will make it no longer a rotation matrix.

There is a safe way to do it, but it's complicated. When I get enough spare time I'll write a bit of a document on safely determining the 3D angle of a rotation matrix, and fixing it. It is not, however, a simple procedure!

Tim
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Re: 3 decimals is not a lot of precision for rotation matrices - by Tim Gould - 2013-03-24, 21:33

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