3DPrinting/PrusaSlicer-NonPlainar
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Fix of #8724, #8747, and #8753: Crash when Voronoi vertexes of a finite edge have some coordinate NaN or infinite.

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Lukáš Hejl 2022-08-29 15:58:57 +02:00
parent c74f16d7c7
commit de48bcd1b2
4 changed files with 28 additions and 3 deletions
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7
src/libslic3r/Geometry/VoronoiUtilsCgal.cpp
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@ -3,6 +3,7 @@
#include <CGAL/Surface_sweep_2_algorithms.h>
#include "libslic3r/Geometry/Voronoi.hpp"
#include "libslic3r/Arachne/utils/VoronoiUtils.hpp"
#include "VoronoiUtilsCgal.hpp"
@ -28,7 +29,8 @@ bool VoronoiUtilsCgal::is_voronoi_diagram_planar_intersection(const VD &voronoi_
if (edge.color() != 0)
continue;
if (edge.is_finite() && edge.is_linear()) {
if (edge.is_finite() && edge.is_linear() && edge.vertex0() != nullptr && edge.vertex1() != nullptr &&
Arachne::VoronoiUtils::is_finite(*edge.vertex0()) && Arachne::VoronoiUtils::is_finite(*edge.vertex1())) {
segments.emplace_back(to_cgal_point(*edge.vertex0()), to_cgal_point(*edge.vertex1()));
edge.color(1);
assert(edge.twin() != nullptr);
@ -73,7 +75,8 @@ bool VoronoiUtilsCgal::is_voronoi_diagram_planar_angle(const VoronoiDiagram &vor
do {
// FIXME Lukas H.: Also process parabolic segments.
if (edge->is_finite() && edge->is_linear())
if (edge->is_finite() && edge->is_linear() && edge->vertex0() != nullptr && edge->vertex1() != nullptr &&
Arachne::VoronoiUtils::is_finite(*edge->vertex0()) && Arachne::VoronoiUtils::is_finite(*edge->vertex1()))
edges.emplace_back(edge);
edge = edge->rot_next();