noise flowing along deformed curve

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I'm having some trouble wrapping my head around what seems like a simple concept: getting noise to flow along a deformed curve (instead of just a set axis).

I've got a deformed curve, which I'm calculating edge direction vectors on, and I'd like the noise to flow along this. But when I plug the edge direction into the noise offset and add time, I'm not getting the result I want. Can anyone shed some light on how to get noise to flow along a deformed curve? Thanks

Attachments:
noise_flow.hipnc (117.2 KB)

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You need to change your noise domain to ‘flow’ along the curve.
I've added a rest attribute to the circle to get the x,y coords, and added a ‘u’ attribute along the curve for the z coord.

EDIT: The second .hip might be a bit more intuitive…

Attachments:
noise_flow_164.hipnc (126.4 KB)
noise_flow_164_2.hipnc (116.5 KB)

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Thanks!! You Rock!
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