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Fix of "excess infill below bridges with 0% infill" #442

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Fix of "Bridging infill not connecting with infill set to 0%" #1301

Top, bottom and bridging areas are extended into infill as long
as the infill is not zero. If the infill is zero,
top, bottom and bridging areas wound not expand into these "void" areas.

With this commit, the top, bottom and bridging areas are allowed to expand
into the "void" areas as long as these "void" areas are supported below
with perimeters or some other non-empty infill, and slightly beyond
these supporting areas into the voids (currently hard coded to 1mm).
This commit is contained in:
bubnikv
2019-09-06 15:03:49 +02:00
parent 6cc29c308c
commit 48ecbe777f
5 changed files with 104 additions and 94 deletions
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2
src/libslic3r/Layer.hpp
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@@ -62,7 +62,7 @@ public:
void slices_to_fill_surfaces_clipped();
void prepare_fill_surfaces();
void make_perimeters(const SurfaceCollection &slices, SurfaceCollection* fill_surfaces);
void process_external_surfaces(const Layer* lower_layer);
void process_external_surfaces(const Layer *lower_layer, const Polygons *lower_layer_covered);
double infill_area_threshold() const;
// Trim surfaces by trimming polygons. Used by the elephant foot compensation at the 1st layer.
void trim_surfaces(const Polygons &trimming_polygons);