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Fix segfault in ensuring regularization - wrong check for unbounded access

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This commit is contained in:
PavelMikus 2023-04-06 09:46:12 +02:00
parent b5514120e5
commit b1081d7ac3
1 changed files with 3 additions and 1 deletions
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4
src/libslic3r/PrintObject.cpp
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@ -1509,7 +1509,9 @@ void PrintObject::discover_vertical_shells()
Polygons internal_volume;
{
Polygons shrinked_bottom_slice = idx_layer > 0 ? to_polygons(m_layers[idx_layer - 1]->lslices) : Polygons{};
Polygons shrinked_upper_slice = idx_layer > 0 ? to_polygons(m_layers[idx_layer + 1]->lslices) : Polygons{};
Polygons shrinked_upper_slice = (idx_layer + 1) < m_layers.size() ?
to_polygons(m_layers[idx_layer + 1]->lslices) :
Polygons{};
internal_volume = intersection(shrinked_bottom_slice, shrinked_upper_slice);
}