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generative modeling for Rhino

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Jussi Viinikka's Discussions

constrained delaunay triangulation
7 Replies

Hi, Is there any way to create constrained delaunay triangulation in grasshopper? That is delaunay triangulation that would respect some fixed boundaries and wouldnt create faces on the concave parts…Continue

Tags: triangulation, delaunay

Started this discussion. Last reply by Shkattii May 17, 2012.

 

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Shkattii replied to Jussi Viinikka's discussion constrained delaunay triangulation
"Hi, i am stuck with the same problem. Are you able to tell me what components to use for the inclusion testing part?  Thanks"
May 17, 2012
Kamil Kiendzierski replied to Jussi Viinikka's discussion constrained delaunay triangulation
"Sorry, I did it on my own. Works correctly. Best, Kamil"
Oct 12, 2010
Danny Boyes replied to Jussi Viinikka's discussion constrained delaunay triangulation
"By these points do you mean the mesh triangle centre points? If so if you plug the Faces from an Explode BRep component into an area component then it will return the Centroid of the face."
Oct 12, 2010
Jussi Viinikka replied to Jussi Viinikka's discussion constrained delaunay triangulation
"ok, got it to work."
May 15, 2010
Jussi Viinikka replied to Jussi Viinikka's discussion constrained delaunay triangulation
"Thanks David, that was pretty much the strategy I thought would work, but unfortunately I dont know how to do that exactly heh. I have the delaunay mesh component and then I explode the resulting mesh with decompose mesh component to extract all the…"
May 15, 2010
David Rutten replied to Jussi Viinikka's discussion constrained delaunay triangulation
"You could use the regular delaunay component, then find all the mesh triangle center points afterwards and test them for inclusion with the original outline. This will allow you to cull any unwanted faces after the triangulation. -- David…"
May 15, 2010
Jussi Viinikka posted a discussion

constrained delaunay triangulation

Hi, Is there any way to create constrained delaunay triangulation in grasshopper? That is delaunay triangulation that would respect some fixed boundaries and wouldnt create faces on the concave parts of a point cloud. The photo shows the problem on one project of mine. ThanksSee More
May 14, 2010
Jussi Viinikka is now a member of Grasshopper
May 11, 2010

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oulu university

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At 10:16am on May 14, 2010, Stan Carroll said…
Welcome, That is one scary photo. I love it.

Stan
 
 
 

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