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Sweep Growth % and Align to Spline % don't match ?

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Filip Vandueren
Sweep Growth % and Align to Spline % don't match ?
on Dec 4, 2005 at 9:13:28 pm

Hi all,

i'm working on a project in 9.1 with a growing whirlwind-spiral, that has an arrow attached to the end.
like this:

to animate it I thought it would be simple to Grow a Sweep Nurbs, and have the Arrowhead as a seperate Object following along the sweep-spline with an Align to Spline Path...

The problem is that as stated in the Subject: the Growth percentage is animating different than the Align to Spline.
So if I set Growth to 50% and the Position of the Align-tag to 50%, they don't line up.

Obviously, I can't just copy or Xpresso the two percentages together...

I wound up setting keyframes every few frames to line it up by hand, but it just seems strange to me...

Any thoughts ?

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