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ENH: enhance unprintable filament check in height

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1. Detect unprintable filament for each extruder by printable height

jira:STUDIO-9630

Signed-off-by: xun.zhang <xun.zhang@bambulab.com>
Change-Id: I7731196d96745af935d0a34961f035b458b27ec5
This commit is contained in:
xun.zhang 2025-01-11 20:49:55 +08:00 committed by lane.wei
parent 6b13655f9d
commit 459671dcb6
1 changed files with 41 additions and 5 deletions
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46
src/libslic3r/PrintObject.cpp
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@ -197,10 +197,42 @@ std::vector<std::set<int>> PrintObject::detect_extruder_geometric_unprintables()
if(extruder_size == 1)
return std::vector<std::set<int>>(1, std::set<int>());
std::vector<tbb::concurrent_unordered_set<int>> tbb_geometric_unprintables(extruder_size);
std::vector<std::set<int>> geometric_unprintables(extruder_size); // the container to return
std::vector<double> printable_height_per_extruder = m_print->config().extruder_printable_height.values;
assert(printable_height_per_extruder.size() == extruder_size);
// check unprintable filaments caused by printable height limit
for (size_t extruder_id = 0; extruder_id < printable_height_per_extruder.size(); ++extruder_id) {
double printable_height = printable_height_per_extruder[extruder_id];
for (size_t layer_idx = 0; layer_idx < m_layers.size(); ++layer_idx) {
auto layer = m_layers[layer_idx];
if (layer->print_z <= printable_height)
continue;
for (auto layerm : layer->regions()) {
auto region = layerm->region();
int wall_filament = region.config().wall_filament;
int solid_infill_filament = region.config().solid_infill_filament;
int sparse_infill_filament = region.config().sparse_infill_filament;
if (!layerm->fills.entities.empty()) {
if (solid_infill_filament > 0)
geometric_unprintables[extruder_id].insert(solid_infill_filament - 1);
if (sparse_infill_filament > 0)
geometric_unprintables[extruder_id].insert(sparse_infill_filament - 1);
}
if (!layerm->perimeters.entities.empty() && wall_filament > 0)
geometric_unprintables[extruder_id].insert(wall_filament - 1);
}
}
}
std::vector<tbb::concurrent_unordered_set<int>> tbb_geometric_unprintables(extruder_size); // the container used in tbb
std::vector<Polygons> unprintable_area_in_obj_coord = m_print->get_extruder_unprintable_polygons();
std::vector<BoundingBox> unprintable_area_bbox;
// transform the unprintable areas to obj coord is cheaper than thransform obj into world coord
for (auto& polys : unprintable_area_in_obj_coord) {
for (auto& poly : polys) {
poly.translate(-m_instances.front().shift_without_plate_offset());
@ -208,6 +240,7 @@ std::vector<std::set<int>> PrintObject::detect_extruder_geometric_unprintables()
unprintable_area_bbox.emplace_back(get_extents(polys));
}
// check unprintbale filaments caused by printable area limit
tbb::parallel_for(tbb::blocked_range<int>(0, m_layers.size()),
[this, &tbb_geometric_unprintables, &unprintable_area_in_obj_coord, &unprintable_area_bbox](const tbb::blocked_range<int>& range) {
for (int j = range.begin(); j < range.end(); ++j) {
@ -247,6 +280,7 @@ std::vector<std::set<int>> PrintObject::detect_extruder_geometric_unprintables()
bool do_wall_filament_detect = wall_filament > 0 && tbb_geometric_unprintables[idx].count(wall_filament - 1) == 0;
if (!layerm->perimeters.entities.empty() && do_wall_filament_detect) {
// if infill is unprintable, no need to check wall since wall contour surrounds infill contour
if (infill_unprintable) {
tbb_geometric_unprintables[idx].insert(wall_filament - 1);
continue;
@ -271,10 +305,12 @@ std::vector<std::set<int>> PrintObject::detect_extruder_geometric_unprintables()
}
});
std::vector<std::set<int>> ret(tbb_geometric_unprintables.size());
for (size_t idx = 0; idx < ret.size(); ++idx)
ret[idx] = std::set<int>(tbb_geometric_unprintables[idx].begin(), tbb_geometric_unprintables[idx].end());
return ret;
// add the elems in tbb container to final contianer
for (size_t idx = 0; idx < extruder_size; ++idx) {
geometric_unprintables[idx].insert(tbb_geometric_unprintables[idx].begin(), tbb_geometric_unprintables[idx].end());
}
return geometric_unprintables;
}
// 1) Merges typed region slices into stInternal type.