Problem with anchor points (Kangaroo2)

[mauriciovb (Mauricio)]

Kangaroo_Stadium.gh (52.4 KB)

Hello everyone, I need the help of someone who can guide me because I don’t know what the problem is, I’m trying to make a cover for a stadium similar to Frei Otto’s in the Olympic stadium in Munich.

The idea is to have 4 Anchor points but anchor point number 3 doesn’t work for some reason. I don’t know if the Mesh is well done or the problem is Kangaroo.

Thanks in advance

My idea is that something like this remains

[martinsiegrist]

I added two tags: Pufferfish & Heteroptera

[Quan_Li]

Kangaroo_Stadium.gh (72.5 KB)

[Quan_Li]

Kangaroo_Stadium edited v1.gh (69.5 KB)
A better version.

[mauriciovb (Mauricio)]

Thank you very much for helping me! Is there any way that the targets of the anchor point are the circles? so that the mesh is perforated and looks like this?

I tried this way but it doesn’t work, I think I’m doing something wrong, should I do it before converting to Mesh or after?

• Surface with the shape.
• Locate the circles in the columns
• Region difference maybe? or boundary surface
• Convert to mesh
• Pull point with the points on circle
• Cull pattern

[DanielPiker]

Hi @mauriciovb yes, circular openings are possible.
Here are a few other threads on approaches to this

Tensile relaxation with curve anchors

Hello everyone. Does anyone have a good way of doing something like shown on the picture below? What im trying to achieve is a definition where you define the Blue rectangle and the red cirkles, so that you Can create a relaxation mesh with kangaroo within these boundaries. I would like the inside part og the cirkle to be excluded from the mesh, so that the mesh hinges to the cirkle. Thanks in advance! [image]

Tensile membrane with holes (by using kangaroo 2)

Hi, I’m develloping some scripts for the tensile membranes using GH, so i’m quite a beginner. I’m having some trouble with kangaroo 2. I’m trying to have a curvature between the two circles (like we have in the blue mesh) but i’m not able to have such nice result. [01] [02] My inputs are : This plan mesh [03] The edge of the membrane [04] And the plane of the plan mesh This is my script : [05] And this is my result : [06_bis] As you see, the curvature between the two …

Minimal surfaces

Here’s an example setup: tensile_example.gh (20.4 KB) [image] Which starts as this simple mesh made in Rhino [image]

[Quan_Li]

Sorry, this is a wrong one, don’t use this.

[Quan_Li]

Kangaroo_Stadium edited v2.gh (65.1 KB)
I made a mistake, this is the right one.

Is there any way that the targets of the anchor point are the circles?
Yes, possible, but in your case, I think you need to overhaul the entire logic to get that effect.
Basically, you need to make holes first then assign the vertices of the holes to the circles.

[mauriciovb (Mauricio)]

I will look this examples, thank you!

[mauriciovb (Mauricio)]

That’s what I was thinking, I have to make the holes on a surface, convert it to Mesh and then assign the vertices of the holes to the circles, thank you for your guidance.

[Quan_Li]

Kangaroo_Stadium edited v3 simplified example.gh (69.7 KB)
This is one way.
I believe the posts shown above by @DanielPiker are better than mine.

[mauriciovb (Mauricio)]

Hello, I was able to solve and make the holes in the mesh with the examples that you guys showed me. The anchor point 3 works perfectly, but now the anchor points 1,2 and 4 do not work when moving. I was looking for examples, but I am not finding them here, could you guys please guide me again? Thanks in advance.

I use gene pool to move the anchor points because after I will use Wallecei

Kangaroo_Stadium_V4.gh (58.7 KB)

[Quan_Li]

can not open the gh

[mauriciovb (Mauricio)]

I think it was the Tri Remesh, too heavy.
Kangaroo_Stadium_V4.gh (64.8 KB)

[Quan_Li]

I am afraid you need to understand what is Anchor Point before making this.
[ Kangaroo 2 ] Basic #05 : Add Anchor Points 1 - YouTube