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Fix arrange with malformed contours

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This commit is contained in:
tamasmeszaros 2020-12-03 14:16:13 +01:00
parent 624494eab6
commit 91b1d469eb
2 changed files with 7 additions and 6 deletions
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7
src/libslic3r/Arrange.cpp
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@ -572,10 +572,13 @@ static void process_arrangeable(const ArrangePolygon &arrpoly,
clppr::Polygon clpath(Slic3rMultiPoint_to_ClipperPath(p)); clppr::Polygon clpath(Slic3rMultiPoint_to_ClipperPath(p));
if (!clpath.Contour.empty()) { // This fixes:
// https://github.com/prusa3d/PrusaSlicer/issues/2209
if (clpath.Contour.size() < 3)
return;
auto firstp = clpath.Contour.front(); auto firstp = clpath.Contour.front();
clpath.Contour.emplace_back(firstp); clpath.Contour.emplace_back(firstp);
}
outp.emplace_back(std::move(clpath)); outp.emplace_back(std::move(clpath));
outp.back().rotation(rotation); outp.back().rotation(rotation);

2
src/libslic3r/Model.cpp
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@ -1858,8 +1858,6 @@ arrangement::ArrangePolygon ModelInstance::get_arrange_polygon() const
assert(!p.points.empty()); assert(!p.points.empty());
// this may happen for malformed models, see:
// https://github.com/prusa3d/PrusaSlicer/issues/2209
// if (!p.points.empty()) { // if (!p.points.empty()) {
// Polygons pp{p}; // Polygons pp{p};
// pp = p.simplify(scaled<double>(SIMPLIFY_TOLERANCE_MM)); // pp = p.simplify(scaled<double>(SIMPLIFY_TOLERANCE_MM));