Custom Spatial Deform for ship bulb geometry manipulation

Hi everyone,

I am trying to create a grasshopper application which enables user to variate the ship bulb geometry.

I have been trying to achieve it with custom spatial deform component but i am ending up with oscillating curves following the new point coordinations, as if all the points have varying vectors and grasshopper is trying to fit a tangent curve between the points.

The surface itself looks pretty smooth compared to initial surface quality, except the edges which supposed to be strictly fair as the initial objective of the study. You can see the problem in the picture i have attached.

Also if you can suggest different techniques to approach to this problem, it would be greatly appreciated. I wanted to use spatial deform because i couldn’t achieve creating this kind of surface with a single command like networkSrf or Loft, therefore i delayed to work on creating and manipulating curves and use them to build the surface (there are applications to achieve the geometry with loft actually but most of the solutions i have encountered use loose loft, which will not satisfy the criteria of static edges staying exactly same as in the starting surface).

Thank you all!

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