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Improve bridging lines cut on lightning infill

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This commit is contained in:
PavelMikus 2023-04-13 17:27:37 +02:00
parent e8f0f9cd47
commit 54db40eae2
1 changed files with 9 additions and 7 deletions
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16
src/libslic3r/PrintObject.cpp
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@ -1603,21 +1603,18 @@ void PrintObject::bridge_over_infill()
int layer_index,
Polygons new_polys,
const LayerRegion *region,
double bridge_angle,
bool supported_by_lightning)
double bridge_angle)
: original_surface(original_surface)
, layer_index(layer_index)
, new_polys(new_polys)
, region(region)
, bridge_angle(bridge_angle)
, supported_by_lightning(supported_by_lightning)
{}
const Surface *original_surface;
int layer_index;
Polygons new_polys;
const LayerRegion *region;
double bridge_angle;
bool supported_by_lightning;
};
std::map<size_t, std::vector<CandidateSurface>> surfaces_by_layer;
@ -1677,7 +1674,7 @@ void PrintObject::bridge_over_infill()
}
}
worth_bridging = intersection(closing(worth_bridging, SCALED_EPSILON), s->expolygon);
candidate_surfaces.push_back(CandidateSurface(s, lidx, worth_bridging, region, 0, contains_only_lightning));
candidate_surfaces.push_back(CandidateSurface(s, lidx, worth_bridging, region, 0));
#ifdef DEBUG_BRIDGE_OVER_INFILL
debug_draw(std::to_string(lidx) + "_candidate_surface_" + std::to_string(area(s->expolygon)),
@ -2135,6 +2132,7 @@ void PrintObject::bridge_over_infill()
deep_infill_area = expand(deep_infill_area, spacing * 1.5);
// Now gather expansion polygons - internal infill on current layer, from which we can cut off anchors
Polygons lightning_area;
Polygons expansion_area;
Polygons total_fill_area;
for (const LayerRegion *region : layer->regions()) {
@ -2142,6 +2140,10 @@ void PrintObject::bridge_over_infill()
expansion_area.insert(expansion_area.end(), internal_polys.begin(), internal_polys.end());
Polygons fill_polys = to_polygons(region->fill_expolygons());
total_fill_area.insert(total_fill_area.end(), fill_polys.begin(), fill_polys.end());
if (region->region().config().fill_pattern == ipLightning) {
Polygons l = to_polygons(region->fill_surfaces().filter_by_type(stInternal));
lightning_area.insert(lightning_area.end(), l.begin(), l.end());
}
}
total_fill_area = closing(total_fill_area, SCALED_EPSILON);
expansion_area = closing(expansion_area, SCALED_EPSILON);
@ -2196,7 +2198,7 @@ void PrintObject::bridge_over_infill()
}
boundary_plines.insert(boundary_plines.end(), anchors.begin(), anchors.end());
if (candidate.supported_by_lightning) {
if (!lightning_area.empty() && !intersection(area_to_be_bridge, lightning_area).empty()) {
boundary_plines = intersection_pl(boundary_plines, expand(area_to_be_bridge, scale_(10)));
}
Polygons bridging_area = construct_anchored_polygon(area_to_be_bridge, to_lines(boundary_plines), flow, bridging_angle);
@ -2229,7 +2231,7 @@ void PrintObject::bridge_over_infill()
#endif
expanded_surfaces.push_back(CandidateSurface(candidate.original_surface, candidate.layer_index, bridging_area,
candidate.region, bridging_angle, candidate.supported_by_lightning));
candidate.region, bridging_angle));
}
surfaces_by_layer[lidx].swap(expanded_surfaces);
expanded_surfaces.clear();