Untrimmed control points on new surface

[senasena03 (Sena)]

I created this surface by playing with control points. But when I try a space truss frame or any structure in the grasshopper, it moves outside, it doesn’t define my new surface. What should I do to work on the surface I just created? Please help…Thanks for now.

problem2.3dm (339.7 KB)

[Joseph_Oster]

3. Attach minimal versions of all the relevant files

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[Michael_Pryor]

This is a common issue and asked many many times in this forum. Most components evaluate the underlying untrimmed surface for trimmed surfaces. Do some searching on the forum.

Paneling Polysurfaces of Trimmed faces

I got the following question from user, and I will post the answer below since this is rather common question. "I boolean unioned spheres together on rhino and then used paneling tools on them to create a structure. However, the paneling tools creates a grid for the entirety of each sphere, as if it remembers each of the spheres before i unioned them together. Do you know how I can get it to panel only what I unioned together? Sincerely, a confused user of Rhino"

Creating a Brep or surface from curves on Rhino or GH

I similar answered this 2 days ago… But instead of saying that he did not understand he simply opened a second thread and started asking the similar question again and again. He refuses to accept that there is no good solution with isotrim. There is absolutely no point in changing the surface to be untrimmed just for paneling issues. In order to help, people actually need to know what he is planning to do otherwise its a waste of time…

Map Grid to Curved Surface

Hi all, I have created a hexagonal grid with attractor points that I would like to attach to a curved lofted surface. I have tried everything but I can’t seem to map the hexagons onto my surface. Is there any fix to this? I can’t use plugins for this assignment. Any help is greatly appreciated, thank you! Hexagon Grid.gh (27.0 KB) [Screen Shot 2020-04-16 at 4.48.31 PM]

Your surface is trimmed, best you can do is run ShrinkTrimmedSrf on it to get the untrimmed surface closer to the trimmed surface bondary. You will still need to trim off the structure with your surfaces trim edge.

[senasena03 (Sena)]

hi again , could you looking this?

[senasena03 (Sena)]

hi Michael, I tried “shrinktrimmedsrf” lots of, but didn’t change.
I have to trim this patch srf, cause of perceives different.