"Bald Eagle" <cre### [at] netscapenet> wrote:
>...
> Since we use a left-handed coordinate system, and rotation matrices can be a bit
> confusing - especially at first - I made a sketch, and then decided it ought to
> be added to the collection of documentation diagrams I'm making.
>...
> Here is a supplementary illustration - it could probably use some polishing.

Nice illustration.

To improve it I suggest that you remove the decimals. This will give you some
more space and make it easier to read.

I also suggest that you insert a note to the reader that POV-Ray's trigonometric
functions use radians, not degrees as in you basis vector lists.

Further; some of the equal signs have become minus signs. Could this be caused
by some scaling of the image ?

--
Tor Olav
http://subcube.com
https://github.com/t-o-k

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