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Fix some mesh errors in sl1 archive reconstruction

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tamasmeszaros 2021-11-05 15:32:14 +01:00
parent 1c940ef145
commit c4c8b7608e
4 changed files with 45 additions and 50 deletions
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26
src/libslic3r/TriangleMesh.cpp
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@ -705,22 +705,16 @@ void its_flip_triangles(indexed_triangle_set &its)
int its_remove_degenerate_faces(indexed_triangle_set &its, bool shrink_to_fit)
{
int last = 0;
for (int i = 0; i < int(its.indices.size()); ++ i) {
const stl_triangle_vertex_indices &face = its.indices[i];
if (face(0) != face(1) && face(0) != face(2) && face(1) != face(2)) {
if (last < i)
its.indices[last] = its.indices[i];
++ last;
}
}
int removed = int(its.indices.size()) - last;
if (removed) {
its.indices.erase(its.indices.begin() + last, its.indices.end());
// Optionally shrink the vertices.
if (shrink_to_fit)
its.indices.shrink_to_fit();
}
auto it = std::remove_if(its.indices.begin(), its.indices.end(), [](auto &face) {
return face(0) == face(1) || face(0) == face(2) || face(1) == face(2);
});
int removed = std::distance(it, its.indices.end());
its.indices.erase(it, its.indices.end());
if (removed && shrink_to_fit)
its.indices.shrink_to_fit();
return removed;
}