clipka <ano### [at] anonymous org> wrote:
> Isn't such a transformation non-affine? So it wouldn't be possible to do
> it with a simple 4x4 matrix multiplication.
Multiplication with a 4x4 matrix can be used for perspective projection.
It's a 3x3 transformation matrix which is restricted to affine transformations.
(Yes, I didn't know that either, many years ago.)
--
- Warp
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