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Reduce solid infill

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Wang YB
2023-10-26 16:09:42 +08:00
parent f25363d857
commit 9c9c716198
1 changed files with 10 additions and 5 deletions
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15
src/libslic3r/PrintObject.cpp
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@@ -1526,12 +1526,15 @@ void PrintObject::discover_vertical_shells()
// Open to remove (filter out) regions narrower than a bit less than an infill extrusion line width. // 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 // 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. // not needed for print stability / quality.
const float narrow_ensure_vertical_wall_thickness_region_radius = 0.5f * 0.65f * min_perimeter_infill_spacing; //W11
const float narrow_ensure_vertical_wall_thickness_region_radius = 0.75f * 0.75f * min_perimeter_infill_spacing;//0.7f*0.75f may error in complex model/ original parameter 0.5f * 0.65f
// Then close gaps narrower than 1.2 * line width, such gaps are difficult to fill in with sparse infill, // 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. // thus they will be merged into the solid infill.
const float narrow_sparse_infill_region_radius = 0.5f * 1.2f * min_perimeter_infill_spacing; //W11
const float narrow_sparse_infill_region_radius = 0.7f * 1.25f * min_perimeter_infill_spacing;//0.7f*1.25f may error in complex model /original parameter 0.5f * 1.2f
// Finally expand the infill a bit to remove tiny gaps between solid infill and the other regions. // Finally expand the infill a bit to remove tiny gaps between solid infill and the other regions.
const float tiny_overlap_radius = 0.2f * min_perimeter_infill_spacing; //W11
const float tiny_overlap_radius = 0.15f * min_perimeter_infill_spacing;// original parameter 0.2f
regularized_shell = shrink_ex(offset2_ex(union_ex(shell), regularized_shell = shrink_ex(offset2_ex(union_ex(shell),
// Open to remove (filter out) regions narrower than an infill extrusion line width. // Open to remove (filter out) regions narrower than an infill extrusion line width.
-narrow_ensure_vertical_wall_thickness_region_radius, -narrow_ensure_vertical_wall_thickness_region_radius,
@@ -1561,8 +1564,10 @@ void PrintObject::discover_vertical_shells()
regularized_shell.erase(std::remove_if(regularized_shell.begin(), regularized_shell.end(), regularized_shell.erase(std::remove_if(regularized_shell.begin(), regularized_shell.end(),
[&internal_volume, &min_perimeter_infill_spacing, [&internal_volume, &min_perimeter_infill_spacing,
&object_volume](const ExPolygon &p) { &object_volume](const ExPolygon &p) {
return (p.area() < min_perimeter_infill_spacing * scaled(1.5) || //W11
(p.area() < min_perimeter_infill_spacing * scaled(8.0) && return (p.area() < min_perimeter_infill_spacing * scaled(2.0) ||//original parameter scaled(1.5)
//W11
(p.area() < min_perimeter_infill_spacing * scaled(10.0) &&//original parameter scaled(8.0)
diff(to_polygons(p), object_volume).empty())) && diff(to_polygons(p), object_volume).empty())) &&
diff(internal_volume, diff(internal_volume,
expand(to_polygons(p), min_perimeter_infill_spacing)) expand(to_polygons(p), min_perimeter_infill_spacing))