"jr" <cre### [at] gmailcom> wrote:
> the documentation for the transformation matrix says: "... you will not use the
> matrix keyword because it is ... harder to visualize." however, although
> "mathematically challenged", I'd like to learn to use it on occasion.
> that in mind, can someone please explain why the manual (126.96.36.199.4) mentions a
> "..fourth column implicitly set to <0,0,0,1>..", but the subsequent equations do
> not include/use those values.
Because all of those things are affine transform matrices.
IIRC, those other numbers change when you start to use projection matrices and
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