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Spikes in layer cycling

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Rhett Robinson
Spikes in layer cycling
on Aug 13, 2006 at 9:00:38 pm

I'm pretty good at Illustrator, so I'm a little stumped here... I'm doing a project similar to this one by Rick Gerard on morphing

and I always end up with these bizarre "spikes" that stick out on certain frames when I use that as an cycling object. I tried the spikebuster (nada), and then I looked at the individual layers that seemed to stick out in Illustrator, looking for the cause. The only thing that I see is that the path crosses over itself, but it also does on a number of other layers as well, and doesn't seem to cause problems on those.

I found a thread with a similar question, but no real answers there at

Do you think the overlapping path is the issue? If so, does someone know a quick solution? (there's approx 500 layers, and only about 15 spikes)

Thanks in advance!

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Jon Okerstrom
Re: Spikes in layer cycling
on Aug 13, 2006 at 9:24:38 pm

Hi Rhett,

The overlapping paths are probably part of the problem, assuming the overlapping paths are from the same objects.

I would very closely examine the associated points. Sometimes the control handles are flipped around, causing the spike.

Sometimes the angle is very sharp, causing the spikes -- which spikebuster can handle.

If that doesn't work, there are other ways to get around the issue, but let's try these first.


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