Well this method will also have some tolerance issues (even if very minor) because interpolating those midpoints does not guarantee the knot vector matches with the initial curves in some way. For instance using uniform vs chord vs square root to interpolate.
The point is every method has its issues. pick what you like best cuz unless those two curves are exact and you are tweening between or averaging, then there is no 100 percent full proof way. It is some what subjective.
No method is perfect until they are perfect circle sharing center. Then it becomes simple case of offset. Anything under the precision required, is an acceptable result.
What method are you actually using to measure the dimension in the middle? Because in the middle, it can never be equal unless its an offset of a curve.
I am dividing the central curve then bisecting from midpoint from the point immediately left and right, extending that line past the boundaries, trimming then measuring. This is the best i have managed but still upto 4mm off
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I see. Is there any difference between refit tween option and fitcrv? Do they do essentially the same thing or is refit fitting in some way which compares the input curves that will be tweened?
Hi Michael - @rajaa will know best but I would think the fit option makes compatibly refit curves,so to speak, whereas FitCrv on its own would not necessarily make them so. (but it does raise the question… should it be an option with a multiple selection - -make the output compatible. I need to know more about how this stuff works, I’ll ask.)