3DPrinting/PrusaSlicer-NonPlainar
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Mesh statistics for imported STLs: Added backwards_edges to open_edges,

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so that a mesh with incorrectly oriented faces will not be considered
a manifold.

Added assert for 3D convex hulls constructed by QHull. They shall be
manifold (however sometimes they are not).
This commit is contained in:
Vojtech Bubnik 2021-09-21 16:03:30 +02:00
parent 306b54bc0a
commit a5a7f64db0
1 changed files with 4 additions and 2 deletions
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6
src/libslic3r/TriangleMesh.cpp
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@ -191,7 +191,7 @@ bool TriangleMesh::ReadSTLFile(const char* input_file, bool repair)
auto facets_w_1_bad_edge = stl.stats.connected_facets_2_edge - stl.stats.connected_facets_3_edge;
auto facets_w_2_bad_edge = stl.stats.connected_facets_1_edge - stl.stats.connected_facets_2_edge;
auto facets_w_3_bad_edge = stl.stats.number_of_facets - stl.stats.connected_facets_1_edge;
m_stats.open_edges = facets_w_1_bad_edge + facets_w_2_bad_edge * 2 + facets_w_3_bad_edge * 3;
m_stats.open_edges = stl.stats.backwards_edges + facets_w_1_bad_edge + facets_w_2_bad_edge * 2 + facets_w_3_bad_edge * 3;
m_stats.edges_fixed = stl.stats.edges_fixed;
m_stats.degenerate_facets = stl.stats.degenerate_facets;
@ -507,7 +507,9 @@ TriangleMesh TriangleMesh::convex_hull_3d() const
}
}
return TriangleMesh { std::move(dst_vertices), std::move(dst_facets) };
TriangleMesh mesh{ std::move(dst_vertices), std::move(dst_facets) };
assert(mesh.stats().manifold());
return mesh;
}
std::vector<ExPolygons> TriangleMesh::slice(const std::vector<double> &z) const