Why is Divide Domain not Splitting surface equally?

Grasshopper
,
10

I started with something else in mind but ended up with a 2D version of your code:

srf_div_2025Jun18aa
srf_div_2025Jun18aa1793Ɨ461 115 KB

srf_div_2025Jun18a.gh (11.3 KB)

The yellow pipes show the uneven isocurves on this surface. Iā€™m not sure why U and V directions appear to be reversed in the two sets of code here? But I typically forge ahead without answers to the why questions. :smiling_face_with_sunglasses:

srf_div_2025Jun18b
srf_div_2025Jun18b1795Ɨ476 128 KB

srf_div_2025Jun18b2
srf_div_2025Jun18b21795Ɨ476 147 KB

srf_div_2025Jun18b.gh (17.0 KB)