"Bald Eagle" <cre### [at] netscapenet> wrote:
> kurtz le pirate <kur### [at] gmailcom> wrote:
> > Hello,
> > I'm trying to adapt an Excel spreadsheet in POV. I've got a strange problem.
> Are you trying to do atan2 like sane people do?
> Because the jackasses at Microsoft reversed the arguments.
we had a similar problem a while ago with the tube-kind-of-thing:
'the atan2 mystery' and you found the right track.
But see what Povray 3.7 documentation uses:
<< 188.8.131.52.4 Functions
Arc-tangent of (A/B). Returns the angle, measured in radians, whose tangent is
So in your words and accepted by the rest of the world - except Microsoft - it
should read atan2(B,A).
It's always good to have you around.
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