Surface evaluation

[j.marcinkevics (J)]

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)

[Adam_M (Adam Mounsey)]

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.

[j.marcinkevics (J)]

Thank You Adam!