Evaluate Surface

Grasshopper
1

Hi all new to grasshopper just wondering why I cannot draw lines coming straight off this? I tried using evaluate surface and drawing a line but it doesn’t seem right?

Thanks

Captureeval surf
Captureeval surf400×690 46.1 KB
Evaluate surface.gh (34.6 KB)

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image
image828×331 27.4 KB

you have to use surface closest point before to take the plan of each point

3

Thank you

4

check

Evaluate surface_1
Evaluate surface_11432×698 70.3 KB

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