>
> > 1) rounding errors will creep up on you if you do a lot of
> > calculations
>
> The rotate methods rely on the accuracy of the transcendental operations
> of sin and cos. Could that be where your rounding errors were coming
> from?
Certainly possible. I guess I should have been more clear; we
were doing a dozen or so calculations to figure out how *much* we
wanted to rotate, translate and scale, and the debugging messages we
put in showed the resulting values were just slightly off (i.e. 99.933
instead of 100).
Steven J. Owens
[EMAIL PROTECTED]
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