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ENH: fix empty infill layers

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This is fix for github issue #216 that
sometimes the infill layer is empty.

Signed-off-by: salt.wei <salt.wei@bambulab.com>
Change-Id: Ie3be08b75506e48f5ae9dd6aae2ae729ba666e01
This commit is contained in:
salt.wei
2022-09-14 21:54:33 +08:00
committed by Lane.Wei
parent 1b07874ea3
commit d4854c0df7
5 changed files with 19 additions and 12 deletions
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8
src/libslic3r/Layer.cpp
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@@ -190,7 +190,7 @@ void Layer::make_perimeters()
if (layerms.size() == 1) { // optimization
(*layerm)->fill_surfaces.surfaces.clear();
(*layerm)->make_perimeters((*layerm)->slices, &(*layerm)->fill_surfaces);
(*layerm)->make_perimeters((*layerm)->slices, &(*layerm)->fill_surfaces, &(*layerm)->fill_no_overlap_expolygons);
(*layerm)->fill_expolygons = to_expolygons((*layerm)->fill_surfaces.surfaces);
} else {
SurfaceCollection new_slices;
@@ -212,7 +212,9 @@ void Layer::make_perimeters()
// make perimeters
SurfaceCollection fill_surfaces;
layerm_config->make_perimeters(new_slices, &fill_surfaces);
//BBS
ExPolygons fill_no_overlap;
layerm_config->make_perimeters(new_slices, &fill_surfaces, &fill_no_overlap);
// assign fill_surfaces to each layer
if (!fill_surfaces.surfaces.empty()) {
@@ -221,6 +223,8 @@ void Layer::make_perimeters()
ExPolygons expp = intersection_ex(fill_surfaces.surfaces, (*l)->slices.surfaces);
(*l)->fill_expolygons = expp;
(*l)->fill_surfaces.set(std::move(expp), fill_surfaces.surfaces.front());
//BBS: Separate fill_no_overlap
(*l)->fill_no_overlap_expolygons = intersection_ex((*l)->slices.surfaces, fill_no_overlap);
}
}
}