"Anthony D. Baye" <Sha### [at] spamnomorehotmailcom> wrote:
> "Anthony D. Baye" <Sha### [at] spamnomorehotmailcom> wrote:
> > "Bald Eagle" <cre### [at] netscapenet> wrote:
> > > "Bald Eagle" <cre### [at] netscapenet> wrote:
> > > > Posted.
> > >
> > > Maybe that ought to be:
> > >
> > >
http://news.povray.org/povray.binaries.images/thread/%3Cweb.56e620c88e79eb4c5e7df57c0%40news.povray.org%3E/
> > >
> > > :O
> >
> > hmmm... your math differs from the site I was using for information.
> >
> > As for the logo solution, I've done it that way before.  This is something else
> > I wanted to try.
> >
> > And it still doesn't explain the strange floating-point error I get out of the
> > vec2rot macro.  I've narrowed it down to that particular spot: The vector I get
> > out of that macro does not conform to the angle I give it.
> >
> > Regards,
> > A.D.B.
>
> Also, that right angle you have there doesn't make a 45-degree angle with L/2
>
> the rise is sqrt(3)/2 or sin(60), the run is 0.5 (half the side length) +
> sin(30) ==> 1 so atan(sqrt(3)/2)) ~= 40.8934 degrees which makes the upper
> (downward) angle ~= 49.1066 degrees.
>
> Regards,
> A.D.B.

which makes that scalene section 19.1066:120:40.8934

regards,
A.D.B.

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