> From: Hai Ning <[EMAIL PROTECTED]>
>
> can someone point me to the formula such that:
>
> given the 4 by 4 transform matrix, it calculates
> the translation(x, y, z), rotation(x, y, z) and
> the scale factor(x, y, z)?
The "formula" is rather involved. Look for the "Single Value Decomposition"
alorithm in a computational math book.
If you just want to get these values, see the Transform3D get() methods. These
will return the scale, translation and quanternion rotation for a Transform.
Doug Gehringer
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