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ENH: Added option for enabling interlocking between segmented regions

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by the multimaterial painting.
This commit is cherry pick from Prusa, the commit number is
9bce0fcf9bb479c289c396e7e23ce95841a61628
Thanks to Prusa.
Jira: XXXX

Change-Id: I29ad1fa9ab3ccc393a1e2affde1ae869d0a33afa
This commit is contained in:
Lukáš Hejl 2023-09-01 11:27:35 +08:00 • committed by Lane.Wei
parent 1603a52786
commit 11b55ccd73
6 changed files with 45 additions and 12 deletions
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27
src/libslic3r/MultiMaterialSegmentation.cpp
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@ -1372,18 +1372,23 @@ static void remove_multiple_edges_in_vertices(MMU_Graph &graph, const std::vecto
static void cut_segmented_layers(const std::vector<ExPolygons> &input_expolygons,
std::vector<std::vector<ExPolygons>> &segmented_regions,
const float cut_width,
const float interlocking_depth,
const std::function<void()> &throw_on_cancel_callback)
{
BOOST_LOG_TRIVIAL(debug) << "MMU segmentation - cutting segmented layers in parallel - begin";
tbb::parallel_for(tbb::blocked_range<size_t>(0, segmented_regions.size()),[&segmented_regions, &input_expolygons, &cut_width, &throw_on_cancel_callback](const tbb::blocked_range<size_t>& range) {
tbb::parallel_for(tbb::blocked_range<size_t>(0, segmented_regions.size()),
[&segmented_regions, &input_expolygons, &cut_width, &interlocking_depth, &throw_on_cancel_callback](const tbb::blocked_range<size_t> &range) {
for (size_t layer_idx = range.begin(); layer_idx < range.end(); ++layer_idx) {
throw_on_cancel_callback();
const size_t num_extruders_plus_one = segmented_regions[layer_idx].size();
std::vector<ExPolygons> segmented_regions_cuts(num_extruders_plus_one); // Indexed by extruder_id
for (size_t extruder_idx = 0; extruder_idx < num_extruders_plus_one; ++extruder_idx)
if (const ExPolygons &ex_polygons = segmented_regions[layer_idx][extruder_idx]; !ex_polygons.empty())
segmented_regions_cuts[extruder_idx] = diff_ex(ex_polygons, offset_ex(input_expolygons[layer_idx], cut_width));
segmented_regions[layer_idx] = std::move(segmented_regions_cuts);
const float region_cut_width = ((layer_idx % 2 == 0) && (interlocking_depth != 0.f)) ? interlocking_depth : cut_width;
const size_t num_extruders_plus_one = segmented_regions[layer_idx].size();
if (region_cut_width > 0.f) {
std::vector<ExPolygons> segmented_regions_cuts(num_extruders_plus_one); // Indexed by extruder_id
for (size_t extruder_idx = 0; extruder_idx < num_extruders_plus_one; ++extruder_idx)
if (const ExPolygons &ex_polygons = segmented_regions[layer_idx][extruder_idx]; !ex_polygons.empty())
segmented_regions_cuts[extruder_idx] = diff_ex(ex_polygons, offset_ex(input_expolygons[layer_idx], -region_cut_width));
segmented_regions[layer_idx] = std::move(segmented_regions_cuts);
}
}
}); // end of parallel_for
BOOST_LOG_TRIVIAL(debug) << "MMU segmentation - cutting segmented layers in parallel - end";
@ -2040,10 +2045,10 @@ std::vector<std::vector<ExPolygons>> multi_material_segmentation_by_painting(con
BOOST_LOG_TRIVIAL(debug) << "MMU segmentation - layers segmentation in parallel - end";
throw_on_cancel_callback();
//if (auto w = print_object.config().mmu_segmented_region_max_width; w > 0.f) {
// cut_segmented_layers(input_expolygons, segmented_regions, float(-scale_(w)), throw_on_cancel_callback);
// throw_on_cancel_callback();
//}
if (auto max_width = print_object.config().mmu_segmented_region_max_width, interlocking_depth = print_object.config().mmu_segmented_region_interlocking_depth; max_width > 0.f || interlocking_depth > 0.f) {
cut_segmented_layers(input_expolygons, segmented_regions, float(scale_(max_width)), float(scale_(interlocking_depth)), throw_on_cancel_callback);
throw_on_cancel_callback();
}
// The first index is extruder number (includes default extruder), and the second one is layer number
std::vector<std::vector<ExPolygons>> top_and_bottom_layers = mmu_segmentation_top_and_bottom_layers(print_object, input_expolygons, throw_on_cancel_callback);