3DPrinting/PrusaSlicer-NonPlainar
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Filter out very small esnuring regions

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This commit is contained in:
PavelMikus 2023-02-28 15:07:17 +01:00
parent 21cd23167e
commit b5fc26ab0a
1 changed files with 6 additions and 1 deletions
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7
src/libslic3r/PrintObject.cpp
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@ -1479,7 +1479,7 @@ void PrintObject::discover_vertical_shells()
// Open to remove (filter out) regions narrower than a bit less than an infill extrusion line width.
// Such narrow regions are difficult to fill in with a gap fill algorithm (or Arachne), however they are most likely
// not needed for print stability / quality.
const float narrow_ensure_vertical_wall_thickness_region_radius = 0.5f * 0.65f * min_perimeter_infill_spacing;
const float narrow_ensure_vertical_wall_thickness_region_radius = 0.5f * 0.85f * min_perimeter_infill_spacing;
// Then close gaps narrower than 1.2 * line width, such gaps are difficult to fill in with sparse infill,
// thus they will be merged into the solid infill.
const float narrow_sparse_infill_region_radius = 0.5f * 1.2f * min_perimeter_infill_spacing;
@ -1492,6 +1492,11 @@ void PrintObject::discover_vertical_shells()
narrow_ensure_vertical_wall_thickness_region_radius + narrow_sparse_infill_region_radius, ClipperLib::jtSquare),
// Finally expand the infill a bit to remove tiny gaps between solid infill and the other regions.
narrow_sparse_infill_region_radius - tiny_overlap_radius, ClipperLib::jtSquare);
// The opening operation may cause scattered tiny drops on the smooth parts of the model.
shell.erase(std::remove_if(shell.begin(), shell.end(), [&min_perimeter_infill_spacing](const Polygon& p){
return p.area() < min_perimeter_infill_spacing * scaled(8.0);
}), shell.end());
}
if (shell.empty())
continue;