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Fix of safety_offset() after ClipperUtils refactoring.

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Fixes Solid infill where there should be none #6482
Also the safety offsetting was revised to be enabled only where needed,
the "do safety offset" is now easy to discover by
a new ApplySafetyOffset::Yes enum, and safety offset over union, which
is better done by offset() / offset_ex() has been replaced with
new union_safety_offset() / union_safety_offset_ex() functions, which
better convey their meaning and which could be better optimized than
union() with the safety offset applied.
This commit is contained in:
Vojtech Bubnik 2021-05-05 12:16:40 +02:00
parent cc68a292d1
commit 7d4b3f2992
10 changed files with 210 additions and 194 deletions
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2
src/libslic3r/Fill/FillLine.cpp
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@ -58,7 +58,7 @@ void FillLine::_fill_surface_single(
pts.push_back(it->a);
pts.push_back(it->b);
}
Polylines polylines = intersection_pl(polylines_src, offset(expolygon, scale_(0.02)), false);
Polylines polylines = intersection_pl(polylines_src, offset(expolygon, scale_(0.02)));
// FIXME Vojtech: This is only performed for horizontal lines, not for the vertical lines!
const float INFILL_OVERLAP_OVER_SPACING = 0.3f;