Grasshopper

algorithmic modeling for Rhino

joining hex patches

I have a super simple definition where I'm generating patches from (lunchbox) hex cells, but I'm having trouble joining the baked results into a single polysurface. Some of them will join, but only in segments (as shown in pic). The edges of the patches don't seem to be truly edge to edge on close inspection. (tolerance is at .001mm). 

I also tried the brep join in grasshopper but it didn't work for me either.

I know I'm missing something simple. Any tips would be greatly appreciated!

Thanks,

Super new user

Views: 707

Replies to This Discussion

Permalink Reply by Gediminas Kirdeikis on April 30, 2017 at 6:43am

Patch approximates the geometry according to the data that you feed into it (that's why it has UV subdivs as an input).

A straight-forward approach would be to use "boundary surface" for planar cells and to triangulate the curved hexagons (you'll need a center point for that).

If you want all cells to be planar, then look into Kangaroo by Daniel Piker as well as this discussion: http://www.grasshopper3d.com/forum/topics/planar-hexagons-kangaroo 

Permalink Reply by Nurbro on April 30, 2017 at 10:13am
Thank you very much Gediminas! I will give it a try.
Permalink Reply by Thomas William Falater on April 30, 2017 at 10:37am

Oh boy, I had the same problem and did what Gediminas wrote. Worked well. Thank you Gediminas. I'm new here and soaking it all in. Thomas Falater

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