Grasshopper

algorithmic modeling for Rhino

Extract the external faces of a collection of voronoi cells

Hi everybody

i'm looking for a parametric way that could extract the external faces of a collection of voronoi cells. in other word when i have two or more voronoi cells like this picture, i want to remove the inner faces in grasshopper and i don't want to use item component or something like that.

i appreciate your help.

1.3dm

1.gh

Views: 1264

Replies to This Discussion

Permalink Reply by Chris Welch on June 16, 2013 at 5:19pm

Explode the cells, find the area centroid of each surface of the cell, cull any surfaces that have a duplicate centroid in another cell.

Should leave you only with surfaces that have no duplicates.

Permalink Reply by Chris Welch on June 16, 2013 at 5:25pm

Yep, works

Attachments:
Permalink Reply by Sina Rezaei on June 17, 2013 at 12:22am

yep, it works. thanks Chris.

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