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Fix #4273 ignore degenerate triangles in mesher output

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Thomas Krijnen
2024-03-28 09:06:41 +01:00
parent 61af868c7a
commit f6a0d1f073
1 changed files with 5 additions and 0 deletions
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src/ifcgeom/kernels/opencascade/OpenCascadeConversionResult.cpp
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@@ -129,6 +129,11 @@ void ifcopenshell::geometry::OpenCascadeShape::Triangulate(ifcopenshell::geometr
triangles(i).Get(n3, n2, n1); triangles(i).Get(n3, n2, n1);
else triangles(i).Get(n1, n2, n3); else triangles(i).Get(n1, n2, n3);
if (dict[n1] == dict[n2] || dict[n2] == dict[n3] || dict[n3] == dict[n1]) {
Logger::Warning("Mesher generated a degenerate triangle, ignoring");
continue;
}
/* An alternative would be to calculate normals based /* An alternative would be to calculate normals based
* on the coordinates of the mesh vertices */ * on the coordinates of the mesh vertices */
/* /*