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Fix bug with special infill

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This commit is contained in:
PavelMikus 2023-02-15 18:43:41 +01:00
parent 6521b72274
commit 59c58397c9
1 changed files with 31 additions and 15 deletions
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46
src/libslic3r/PrintObject.cpp
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@ -1525,7 +1525,7 @@ void PrintObject::discover_vertical_shells()
} // for each region
} // void PrintObject::discover_vertical_shells()
#define DEBUG_BRIDGE_OVER_INFILL
// #define DEBUG_BRIDGE_OVER_INFILL
#ifdef DEBUG_BRIDGE_OVER_INFILL
template<typename T> void debug_draw(std::string name, const T& a, const T& b, const T& c, const T& d)
{
@ -1633,24 +1633,18 @@ void PrintObject::bridge_over_infill()
continue;
};
if (expansion_space[candidates.first].empty()){
// there is no expansion space to which can anchors on this island, skip
continue;
}
auto region_has_anchorable_sparse_infill = [](const LayerRegion* layer_region) {
auto region_has_special_infill = [](const LayerRegion *layer_region) {
switch (layer_region->region().config().fill_pattern.value) {
case ipAdaptiveCubic: return false;
case ipSupportCubic: return false;
case ipLightning: return false;
default: break;
case ipAdaptiveCubic: return true;
case ipSupportCubic: return true;
case ipLightning: return true;
default: return false;
}
return layer_region->region().config().fill_density.value < 100;
};
// Gather lower layers sparse infill areas, to depth defined by used bridge flow
Polygons lower_layers_sparse_infill{};
Polygons special_infill{};
double bottom_z = layer->print_z - max_bridge_flow_height[candidates.first] - EPSILON;
LayerSlice::Links current_links = candidates.first->overlaps_below;
LayerSlice::Links next_links{};
@ -1671,20 +1665,32 @@ void PrintObject::bridge_over_infill()
for (size_t region_idx : regions_under_to_check) {
const LayerRegion *region = po->get_layer(i)->get_region(region_idx);
if (region_has_anchorable_sparse_infill(region)) {
if (region->region().config().fill_density.value < 100 && !region_has_special_infill(region)) {
for (const Surface *surface : region->fill_surfaces().filter_by_type(stInternal)) {
Polygons p = to_polygons(surface->expolygon);
lower_layers_sparse_infill.insert(lower_layers_sparse_infill.end(), p.begin(), p.end());
}
} else if (region_has_special_infill(region)) {
for (const Surface *surface : region->fill_surfaces().filter_by_type(stInternal)) {
Polygons p = to_polygons(surface->expolygon);
special_infill.insert(special_infill.end(), p.begin(), p.end());
}
}
}
}
current_links = next_links;
}
lower_layers_sparse_infill.insert(lower_layers_sparse_infill.end(), special_infill.begin(), special_infill.end());
if (lower_layers_sparse_infill.empty()) {
continue;
}
lower_layers_sparse_infill = union_(lower_layers_sparse_infill);
if (expansion_space[candidates.first].empty() && special_infill.empty()) {
// there is no expansion space to which can anchors expand on this island, skip
continue;
}
Polygons expand_area;
for (const Surface *sparse_infill : expansion_space[candidates.first]) {
@ -1714,6 +1720,16 @@ void PrintObject::bridge_over_infill()
closing(max_area, flow.scaled_width());
Polylines anchors = intersection_pl(lower_layer_polylines, max_area);
if (!special_infill.empty()) {
auto part_over_special_infill = intersection(special_infill, bridged_area);
auto artificial_boundary = to_polylines(expand(part_over_special_infill, flow.scaled_width()));
anchors.insert(anchors.end(), artificial_boundary.begin(), artificial_boundary.end());
#ifdef DEBUG_BRIDGE_OVER_INFILL
debug_draw(std::to_string(lidx) + "special", to_lines(part_over_special_infill), to_lines(artificial_boundary),
to_lines(anchors), to_lines(expand_area));
#endif
}
anchors = diff_pl(anchors, bridged_area);
Lines anchors_and_walls = to_lines(anchors);