Grasshopper

algorithmic modeling for Rhino

we are soon releasing a meshedit update(getting about time) with some new components, as 3DconvexHull, 3Ddelaunay, 3DdelaunayCell, meshweld with color support and some more. If you have any addition which you maybe missing let us know and they maybe can be added.  

thanks

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Here's how you can collapse an edge identified by vertex indices just using the standard Rhino mesh library. It doesn't let you choose where to position the new vertex though - it always goes to the midpt of the collapsed edge.

However, from what you describe, I must say it sounds like it would be a better option to reconsider the workflow if possible, and try and join the 2 versions of the mesh cleanly to begin with, rather than making a bad mesh and post-fixing it.

Attachments:

Aha...makes sense. Either way, whenever you perform a topological operation on edges with the native rhino mesh class, the edge table gets recalculated, which is pretty problematic when you're trying to execute several changes within a single loop. 

It might be easier to identify for your adjacent meshes all naked edges and then rebuild those that share adjacency with a less subdivided mesh.

You might also want to check out Plankton:

http://www.grasshopper3d.com/group/plankton

It has functions for splitting and collapsing mesh edges

Thanks Daniel for adding this. Maybe i also should check back to plankton soon again,...

Sounds good! Looking forward to it

Mesh booleans that work would be amazing!

Looking forward to it. Are you going to release any of the AAJordan multithread components?

Hi Nick how are you doing? Which componets do you refer,...there where some ;)

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