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ENH: enhance extruder unprintable area detection

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1. Detect unprintable area for extruder when slicing
2. Always do filament map again if object pos changed

jira:STUDIO-9473

Signed-off-by: xun.zhang <xun.zhang@bambulab.com>
Change-Id: Ic01b8be8e3b08ba6b34efb2d3c451c9e985a03e8
(cherry picked from commit f1445ff0477795e9baf3792348ff27d79ee2308c)
This commit is contained in:
xun.zhang
2025-01-01 09:19:53 +08:00
committed by Noisyfox
parent 3eaeb55f36
commit f127846914
6 changed files with 180 additions and 94 deletions
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89
src/libslic3r/PrintObject.cpp
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@@ -32,6 +32,7 @@
#include <tbb/parallel_for.h>
#include <tbb/spin_mutex.h>
#include <tbb/concurrent_unordered_set.h>
#include <Shiny/Shiny.h>
@@ -287,6 +288,92 @@ void PrintObject::_transform_hole_to_polyholes()
}
}
std::vector<std::set<int>> PrintObject::detect_extruder_geometric_unprintables() const
{
int extruder_size = m_print->config().nozzle_diameter.size();
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<Polygons> unprintable_area_in_obj_coord = m_print->get_extruder_unprintable_polygons();
std::vector<BoundingBox> unprintable_area_bbox;
for (auto& polys : unprintable_area_in_obj_coord) {
for (auto& poly : polys) {
poly.translate(-m_instances.front().shift_without_plate_offset());
}
unprintable_area_bbox.emplace_back(get_extents(polys));
}
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) {
auto layer = m_layers[j];
for (auto layerm : layer->regions()) {
const 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;
std::optional<ExPolygons> fill_expolys;
BoundingBox fill_bbox;
std::optional<ExPolygons> wall_expolys;
BoundingBox wall_bbox;
for (size_t idx = 0; idx < unprintable_area_in_obj_coord.size(); ++idx) {
bool do_infill_filament_detect = (solid_infill_filament > 0 && tbb_geometric_unprintables[idx].count(solid_infill_filament - 1) == 0) ||
(sparse_infill_filament > 0 && tbb_geometric_unprintables[idx].count(sparse_infill_filament-1) == 0);
bool infill_unprintable = !layerm->fills.entities.empty() &&
((solid_infill_filament > 0 && tbb_geometric_unprintables[idx].count(solid_infill_filament - 1) > 0) ||
(sparse_infill_filament > 0 && tbb_geometric_unprintables[idx].count(sparse_infill_filament - 1) > 0));
if (!layerm->fills.entities.empty() && do_infill_filament_detect) {
if (!fill_expolys) {
fill_expolys = layerm->fill_expolygons;
fill_bbox = get_extents(*fill_expolys);
}
if (fill_bbox.overlap(unprintable_area_bbox[idx]) &&
!intersection(*fill_expolys, unprintable_area_in_obj_coord[idx]).empty()) {
if (solid_infill_filament > 0)
tbb_geometric_unprintables[idx].insert(solid_infill_filament - 1);
if (sparse_infill_filament > 0)
tbb_geometric_unprintables[idx].insert(sparse_infill_filament - 1);
infill_unprintable = true;
}
}
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_unprintable) {
tbb_geometric_unprintables[idx].insert(wall_filament - 1);
continue;
}
if (!wall_expolys) {
if (!fill_expolys) {
fill_expolys = layerm->fill_expolygons;
fill_bbox = get_extents(*fill_expolys);
}
wall_expolys = diff_ex(layerm->raw_slices, *fill_expolys);
wall_bbox = get_extents(*wall_expolys);
}
if (wall_bbox.overlap(unprintable_area_bbox[idx]) &&
!intersection(*wall_expolys, unprintable_area_in_obj_coord[idx]).empty()) {
tbb_geometric_unprintables[idx].insert(wall_filament - 1);
}
}
}
}
}
});
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;
}
// 1) Merges typed region slices into stInternal type.
// 2) Increases an "extra perimeters" counter at region slices where needed.
// 3) Generates perimeters, gap fills and fill regions (fill regions of type stInternal).
@@ -3376,7 +3463,7 @@ void PrintObject::get_certain_layers(float start, float end, std::vector<LayerPt
out.emplace_back(std::move(out_temp));
};
Points PrintObject::get_instances_shift_without_plate_offset()
Points PrintObject::get_instances_shift_without_plate_offset() const
{
Points out;
out.reserve(m_instances.size());