Update isocurves for a surface without modifying surface shape

Is there a way I can update the isocurves in the vertical direction for the following surface so they are straight?

just in case you used loft and did not check the seam.



but anyway if out of any strange reason you cant adjust the input geometry, you could use Section or ShortPath combined with RebuildCrvNonUniform and loft it circular to rebuild it. that means no you can not adjust the isocurves to your liking otherwise.

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Was trying to do it in Grasshopper and that would require having some understanding of how many samples I would need and check for deviation from the original etc.

Guess I got to figure some other way.
Thanks for the help!