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[cgal-discuss] unepxected facet normal value


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  • From: "samuel kim" <>
  • To: <>
  • Subject: [cgal-discuss] unepxected facet normal value
  • Date: Sat, 25 Oct 2008 16:29:32 -0400
  • Organization: Purdue

Hell all,

I want to know how to remove this unexpected case. When get a facet normal
vector from Halfedge, occasionally, some normal vectors returns -1.#IND00.
Is this meaning that no nomal vector is on the facet? If so, what is the
condition to avoid the facet that has no normal vector? Thank you.

Example)
Vector Norm = pHalfEdge->facet()->normal();
Norm[0] = -1.#IND00
Norm[1] = -1.#IND00
Norm[2] = -1.#IND00

Samuel




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