Flooring for sine wave pavilion - overhang issue

Hi there, I am wanting to create a flooring for my pavilion at the base of the slats. However due to the sine wave design of the building, the base of it is not a perfect circle. Currently I have an overhang, which is seen in the photo however my aim is for the flooring to end where the blue line is, to stop the overhang.

I have attempted to create a curve in rhino which I would usually connect to a boundary surface in grasshopper, however I found it really difficult to locate the base of the wooden slats in top view (where I would be drawing the curve).

Could anyone guide me on how to create a flooring for my design which removes the overhang, and ends at the base of each of the wooden slats.

I’ve attached my current script below.

Pavilion flooring.gh (23.1 KB)


Is this the output you are trying to achieve ?

Pavilion flooring.gh (26.6 KB)

Yes, thank you !!!

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