"Bald Eagle" <cre### [at] netscapenet> wrote:
> "Tor Olav Kristensen" <tor### [at] TOBEREMOVEDgmailcom> wrote:
> > I also suggest that you insert a note to the reader that POV-Ray's
> > trigonometric functions use radians, not degrees as in you[r] basis
> > vector lists.
> I will keep that in mind. I have one or two other "documentation illustrations"
> in mind.
I usually like to use trig functions in degrees rather than radians-- just
easier to visualize for me. "math.inc" has some simple little 'converter'
functions, sind() and cosd()
So in your diagram, for example...
T5: y'= <0,cosd(180), sind(180>
But for your matrix illustrations, I don't know if they should be used (since I
don't know enough about matrix math).
like, -sind instead of -sin ??
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