Simplifying Mesh

Hi Everyone,

I'm looking for a way to simplify a mesh so that the amount of faces are sigificantly reduced.

At the moment ive got the frame of my "building" and I want to create a facade around it similar to the picture below (without the slats.) The mesh was crreated in grasshopper and I've tried a variety of things including Weaverbird ect. but nothing seems to give me the result I'm after!

Ideally im looking for 2/3 intersections of these planes within the space between the "framework". I've attached the rhino file so hopefully thats useful! I kmow this is quite similar to a previous discussion but I also ran though the steps guided in there to no success :(

Screenshots below:

Attachments:

For grasshopper.3dm, 1.7 MB

Replies to This Discussion

Permalink Reply by Petras Vestartas on March 30, 2017 at 9:31am

Kangaroo MeshMachine?

Permalink Reply by Daniel González Abalde on March 30, 2017 at 9:56am

Permalink Reply by peter fotiadis on March 30, 2017 at 10:52am

Try the attached (not panacea [and slow] ... but works in some occasions).

Attachments:

Mesh_check_and_reduce_V2.gh, 157 KB

Permalink Reply by Holly Cooper on March 30, 2017 at 11:07am

Hi Peter, that seems to be working! thanks :)

- Just a quick question - any idea how to distort the mesh further towards the centre of the brep? I cant find the "point attractor" version for a mesh!

Permalink Reply by peter fotiadis on March 30, 2017 at 11:16am

Well... I have a variety of (the usual) freaky things (the black C# boxes you know) that do freaky things on meshes. In particular 2 sorts of defs come in mind for your case:

Get a planar region > mesh (or use MeshMachine for the input mesh) > distort randomly (using some direction vector). That one is very close on what you are trying to achieve: for each facade ... do this and that etc etc.
Get any mesh > distort (and/or reduce and/or omit faces) randomly (using mesh face normals and/or some predefined vector) > freaky results.

I'll post something as soon as I can find it.

Permalink Reply by Holly Cooper on March 30, 2017 at 12:07pm

Thanks Peter,

Yeah the overall effect im after is to really pull all points of the mesh towards the centre in order to get a bit more variation in some of the not so interesting parts of the facade!

Thanks again :) H

Permalink Reply by peter fotiadis on March 30, 2017 at 12:47pm

Found something but I must remove some sensitive (internal) stuff AND deal with a "smallish" issue that I had plans to fix but never did it (I hate meshes AND Iceberg type of stuff AND random stuff AND computers).

The issue has to do with handling Mesh collections out of the Mesh.SplitDisjointPieces() Method. Meaning that depending on the cull Method (in order to "clean" a Delauney mesh and restrict it within a given region) ... you may get one mesh instead of a List of disjointed Meshes. It's a ultra boring matter of changing the Data Trees in a rather complex C# and other equally boring things.

See what it does (the Iceberg option ... makes "higher" random points the more they are further "inside" the region. There's a Vodka option as well that flips results (meshes or breps, solids or "sheets") randomly.