Construct order problem when convert curved surface into mesh by mesh quad

Grasshopper
1

Hi, All.
I am learning to mesh trimed surface, I found even when I followed the order of the tutorial below, I can not easily mesh the surface.
image
It seems :

  1. the Outermost splited surface has a different construction order, so I have to extract it and re-split it use differen method (mark number 1)
    2.not every quad mesh in the region with mark number 2 has a same connection topology, so some of them are with gradient grey.
    image
    image889×411 130 KB
    p274 how to split trimed surface.gh (92.9 KB)

Could any one help me to understand more about the data tree? Seems I still have problems in tackle data correctly. Many thanks!

2

It seems you are using Deconstruct Brep and Surface Split here and there, so that can’t be able to guarantee the consistency of point order…
Here are three ways I would do when you have simple mesh faces(ie: no Ngons).

Canvas at 18;40;31
Canvas at 18;40;311689×591 194 KB

p274 how to split trimed surface_reV1.gh (163.5 KB)

3

Thanks @HS_Kim！
Your method is obviously much smarter!
Am I right that , in the ‘LOFT’ process, the weft always can be generated automaticly depending on the division on warp?
Seems I need research further with every button :joy:
Thanks again!

4

I found a misunderstanding. Kim gave me a brilliant answer, and I want to clarify the ‘loft’ function in this script . Actually, before loft, the original curves have already been splited into segments by command ‘pull curve’ which I forget its use when I script, so many problem occur.
Hope this will help others to understand~