"Bald Eagle" <cre### [at] netscapenet> wrote:
> > And for the smoother effect, the first derivative of each movement (panning and
zooming) should be contiguous. That
's
>  the hard part.
>
> That's "The slopes should be equal at that point"   ;)
>
> > (actually, the second derivative might also have to be continuous)
>
> Yikes.   I'd really have to see that graphically to see where you're going with
> that.
>
> > *OR* you can just dive into spline for the location and angle.
>
> Yes.  Or if it's a simple, short sequence, use a formula to zoom in, then slow
> the zoom as the panning starts, and then smoothly transition to all (mostly)
> panning.   "Plot a nice smooth curve, like a hyperbola."
>
> OR -  if you have trouble with that, piece together a curve like you'd piece
> together shapes with CSG, but using #if or #switch.   Zoom in with a straight
> line, then transition to a circular or elliptical arc, then transition to
> another straight line.
>
> Welcome to the forums   :)

Thank you Bald Eagle!

Ive just posted a reply to Le Forgeron. Id be interested to hear your thoughts
too!

Thanks for the feedback :)

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