How could I create stl file based on the ellipsoid command?
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I try several methods to write an stl file based on the ellipsoid geometry.
But I haven't find way to successfully do it.
Following is my code
clear
clc
close all
[x, y, z] = ellipsoid(0,0,0,5.9,3.25,3.25,30);
s=surf(x,y,z)
p=surf2patch(s)
%Extract faces and vertices from structure p
pf=p.faces
pv=p.vertices
tr=triangulation(pf,pv)
stlwrite(tr,'ell.stl')
The message ''Tetrahedron triangulation is not supported.'' appears, I know I could use ''boundaryFacets'' command to solve this problem, but I don't know how to create an alphaShape of ellipsoid.
Could anyone gives me a hint?
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Accepted Answer
Aditya Patil
on 24 Dec 2020
stlwrite only support triangles.
shp = alphaShape(tr.Points)
[F,P] = freeBoundary(tr)
trNew = triangulation(F,P)
stlwrite(trNew, "freeboundary.stl")
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