The tetrahedrons and their points seem fine.Ĭocoon indeed works for more organic beams, though it's a bit blobby at the hubs including some abrupt jumps in diameter, but actually, post-smoothing with MeshMachine should be able to smooth those out and even out everything as desired if you set the Pull input small or to fast-acting zero and just limit the Iter internal iterations. It seems to be a real Tetgen bug, but no updates have appeared since 2011. I'm working on switching from the native Tetgen Voronoi output to use the Grasshopper Voronoi3D component via node-in-code from Python, since Tetgen actually has some errors, not with the lines themselves but with their ends not always meeting perfectly so they fail to form cell faces in some percent of cells.
Hmm.I've never tried that for a bunch of separate lines meeting at hubs.
Something like 30, 10, 30 or 30, 10, 10, 30 would give less "straight" pipes, and have them be skinnier in the middle. Yeah, either MeshMachine or Autocad Meshmixer can make much better, more uniform triangle meshes.Ĭocoon does give you some control over pipe thickness, despite only accepting one radius, you can input a series of numbers into the Cocoon Curve strength input by right clicking a number component and using Manage Number Collection. I can attach a def if anyone may bother to help me out, thanks in advance! If it is inappropriate here, feel free to ignor my post. Then I stumbled over this discussion.ĭo I need to prepare the mesh I feed into your tetgen component with meshmachine or something? because when i Mesh a brep with rhino, the result is always a really crappy mesh. But I failed to compile it because I can use Grasshopper but have no idea when it comes to real programming. Now I planned to use tetgen to create a 3D Delaunay Mesh of the Brep (to avoid the short Voronoi Segments). I tried Cocoon, which works, but gives too straight pipes I tried Exoskeleton, which gives really nice Cells but screws up because of too small segments (classic voronoi Issue). Then I tried to thicken the edges with a Bunch of Plugins, but none did quite what I wanted. I have A freeform shaped closed Brep, with I have intersected with a Voronoi3D (which gets denser towards the center of the Brep) to Have the Voronoi inside the shape. The target is a freeform skeletal mesh witch gets denser towards the center. Sorry to interrupt you guys, but I have a question, and the answer could possibly be the ideal technique for my current university project.
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