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ENH: enhance check for only one wall top 

jira: NONE

Signed-off-by: xun.zhang <xun.zhang@bambulab.com>
Change-Id: Ia5f326416516a73111e37ba75bc673e69f0f99a5
This commit is contained in:
xun.zhang 2025-02-14 15:28:53 +08:00 committed by lane.wei
parent ccd3612780
commit 56a7d295c7
1 changed files with 14 additions and 1 deletions
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15
src/libslic3r/PerimeterGenerator.cpp
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@ -2180,9 +2180,22 @@ bool PerimeterGenerator::should_enable_top_one_wall(const ExPolygons& original_e
coord_t perimeter_width = this->perimeter_flow.scaled_width();
coord_t ext_perimeter_spacing = this->ext_perimeter_flow.scaled_spacing();
auto get_expolygs_area = [](const ExPolygons& expolys)->double{
return std::accumulate(expolys.begin(), expolys.end(), (double)(0), [](double val, const ExPolygon& expoly) {
return val + expoly.area();
});
};
//BBS: filter small area and extend top surface a bit to hide the wall line
double min_width_top_surface = (this->object_config->top_area_threshold / 100) * std::max(ext_perimeter_spacing / 2.0, perimeter_width / 2.0);
top = offset2_ex(top, -min_width_top_surface, min_width_top_surface + perimeter_width);
auto shrunk_top = offset_ex(top, - min_width_top_surface);
double shrunk_area = get_expolygs_area(shrunk_top);
double original_area = get_expolygs_area(original_expolys);
if (shrunk_area / (original_area + EPSILON) < 0.1 || original_area < scale_(1)*scale_(1))
top.clear();
else
top = offset_ex(shrunk_top, min_width_top_surface + perimeter_width);
return !top.empty();
}