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ENH: add arachne engine for narrow internal solid infill

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ConcentricGapFill pattern was used for internal narrow
solid infill. Use arachne engine instead to remove
gap fill inside the pattern and improve the extrusion path

Signed-off-by: salt.wei <salt.wei@bambulab.com>
Change-Id: I758d7c72eb71cc37026b7cebf746cc345014c3f5
(cherry picked from commit 0b6bacd21a091afc13d7b36a69e5b10f155bc6f8)
This commit is contained in:
salt.wei 2022-08-10 16:11:39 +08:00 • committed by Lane.Wei
parent cbefb77de3
commit aab8a12801
54 changed files with 7922 additions and 30 deletions
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src/libslic3r/ClipperUtils.hpp
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@ -498,6 +498,7 @@ inline Slic3r::Lines intersection_ln(const Slic3r::Line &subject, const Slic3r::
Slic3r::Polygons union_(const Slic3r::Polygons &subject);
Slic3r::Polygons union_(const Slic3r::ExPolygons &subject);
Slic3r::Polygons union_(const Slic3r::Polygons &subject, const ClipperLib::PolyFillType fillType);
Slic3r::Polygons union_(const Slic3r::Polygons &subject, const Slic3r::Polygons &subject2);
// May be used to "heal" unusual models (3DLabPrints etc.) by providing fill_type (pftEvenOdd, pftNonZero, pftPositive, pftNegative).
Slic3r::ExPolygons union_ex(const Slic3r::Polygons &subject, ClipperLib::PolyFillType fill_type = ClipperLib::pftNonZero);