Surface evaluation

Hi,

I have surface where I want to do Surface evaluation at many different points.
for some reason I’m getting face normals outside the surface. Why is that?
Surface and points:

Normals:

unnamed.gh (61.6 KB)

Evaluate Surface is looking for a uv surface coordinate point. First use Surface closest point, then connect the uvP output to the Evaluate Surface, Point input.

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Thank You Adam!

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