Merge branch 'lh_mm_segmentation'
This commit is contained in:
Lukáš Hejl
commit
80695603d6
@ -1113,7 +1113,7 @@ static inline Polygon to_polygon(const std::vector<Linef> &lines)
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// It iterates through all nodes on the border between two different colors, and from this point,
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// start selection always left most edges for every node to construct CCW polygons.
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// Assumes that graph is planar (without self-intersection edges)
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static std::vector<std::pair<Polygon, size_t>> extract_colored_segments(const MMU_Graph &graph)
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static std::vector<ExPolygons> extract_colored_segments(const MMU_Graph &graph, const size_t num_extruders)
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{
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std::vector<bool> used_arcs(graph.arcs.size(), false);
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// When there is no next arc, then is returned original_arc or edge with is marked as used
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@ -1153,7 +1153,7 @@ static std::vector<std::pair<Polygon, size_t>> extract_colored_segments(const MM
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return std::all_of(node.arc_idxs.cbegin(), node.arc_idxs.cend(), [&used_arcs](const size_t &arc_idx) -> bool { return used_arcs[arc_idx]; });
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};
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std::vector<std::pair<Polygon, size_t>> polygons_segments;
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std::vector<ExPolygons> expolygons_segments(num_extruders + 1);
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for (size_t node_idx = 0; node_idx < graph.all_border_points; ++node_idx) {
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const MMU_Graph::Node &node = graph.nodes[node_idx];
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@ -1183,12 +1183,11 @@ static std::vector<std::pair<Polygon, size_t>> extract_colored_segments(const MM
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p_arc = &next;
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} while (graph.nodes[p_arc->to_idx].point != start_p || !all_arc_used(graph.nodes[p_arc->to_idx]));
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Polygon poly = to_polygon(face_lines);
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if (poly.is_counter_clockwise() && poly.is_valid())
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polygons_segments.emplace_back(poly, arc.color);
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if (Polygon poly = to_polygon(face_lines); poly.is_counter_clockwise() && poly.is_valid())
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expolygons_segments[arc.color].emplace_back(std::move(poly));
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}
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}
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return polygons_segments;
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return expolygons_segments;
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}
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// Used in remove_multiple_edges_in_vertices()
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@ -1269,21 +1268,20 @@ static void remove_multiple_edges_in_vertices(MMU_Graph &graph, const std::vecto
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}
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}
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static void cut_segmented_layers(const std::vector<ExPolygons> &input_expolygons,
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std::vector<std::vector<std::pair<ExPolygon, size_t>>> &segmented_regions,
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const float cut_width,
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const std::function<void()> &throw_on_cancel_callback)
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static void cut_segmented_layers(const std::vector<ExPolygons> &input_expolygons,
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std::vector<std::vector<ExPolygons>> &segmented_regions,
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const float cut_width,
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const std::function<void()> &throw_on_cancel_callback)
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{
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BOOST_LOG_TRIVIAL(debug) << "MMU segmentation - cutting segmented layers in parallel - begin";
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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) {
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for (size_t layer_idx = range.begin(); layer_idx < range.end(); ++layer_idx) {
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throw_on_cancel_callback();
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std::vector<std::pair<ExPolygon, size_t>> segmented_regions_cuts;
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for (const std::pair<ExPolygon, size_t> &colored_expoly : segmented_regions[layer_idx]) {
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ExPolygons cut_colored_expoly = diff_ex(colored_expoly.first, offset_ex(input_expolygons[layer_idx], cut_width));
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for (ExPolygon &expoly : cut_colored_expoly)
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segmented_regions_cuts.emplace_back(std::move(expoly), colored_expoly.second);
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}
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const size_t num_extruders_plus_one = segmented_regions[layer_idx].size();
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std::vector<ExPolygons> segmented_regions_cuts(num_extruders_plus_one); // Indexed by extruder_id
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for (size_t extruder_idx = 0; extruder_idx < num_extruders_plus_one; ++extruder_idx)
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if (const ExPolygons &ex_polygons = segmented_regions[layer_idx][extruder_idx]; !ex_polygons.empty())
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segmented_regions_cuts[extruder_idx] = diff_ex(ex_polygons, offset_ex(input_expolygons[layer_idx], cut_width));
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segmented_regions[layer_idx] = std::move(segmented_regions_cuts);
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}
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}); // end of parallel_for
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@ -1323,7 +1321,7 @@ static inline std::vector<std::vector<ExPolygons>> mmu_segmentation_top_and_bott
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// Project upwards pointing painted triangles over top surfaces,
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// project downards pointing painted triangles over bottom surfaces.
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std::vector<std::vector<Polygons>> top_raw(num_extruders), bottom_raw(num_extruders);
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std::vector<float> zs = zs_from_layers(print_object.layers());
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std::vector<float> zs = zs_from_layers(layers);
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Transform3d object_trafo = print_object.trafo_centered();
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#ifdef MMU_SEGMENTATION_DEBUG_TOP_BOTTOM
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@ -1532,31 +1530,42 @@ static inline std::vector<std::vector<ExPolygons>> mmu_segmentation_top_and_bott
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return triangles_by_color_merged;
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}
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static std::vector<std::vector<std::pair<ExPolygon, size_t>>> merge_segmented_layers(
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const std::vector<std::vector<std::pair<ExPolygon, size_t>>> &segmented_regions,
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std::vector<std::vector<ExPolygons>> &&top_and_bottom_layers,
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const std::function<void()> &throw_on_cancel_callback)
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static std::vector<std::vector<ExPolygons>> merge_segmented_layers(
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const std::vector<std::vector<ExPolygons>> &segmented_regions,
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std::vector<std::vector<ExPolygons>> &&top_and_bottom_layers,
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const size_t num_extruders,
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const std::function<void()> &throw_on_cancel_callback)
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{
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std::vector<std::vector<std::pair<ExPolygon, size_t>>> segmented_regions_merged(segmented_regions.size());
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const size_t num_layers = segmented_regions.size();
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std::vector<std::vector<ExPolygons>> segmented_regions_merged(num_layers);
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segmented_regions_merged.assign(num_layers, std::vector<ExPolygons>(num_extruders));
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assert(num_extruders + 1 == top_and_bottom_layers.size());
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BOOST_LOG_TRIVIAL(debug) << "MMU segmentation - merging segmented layers in parallel - begin";
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tbb::parallel_for(tbb::blocked_range<size_t>(0, segmented_regions.size()), [&segmented_regions, &top_and_bottom_layers, &segmented_regions_merged, &throw_on_cancel_callback](const tbb::blocked_range<size_t> &range) {
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tbb::parallel_for(tbb::blocked_range<size_t>(0, num_layers), [&segmented_regions, &top_and_bottom_layers, &segmented_regions_merged, &num_extruders, &throw_on_cancel_callback](const tbb::blocked_range<size_t> &range) {
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for (size_t layer_idx = range.begin(); layer_idx < range.end(); ++layer_idx) {
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for (const std::pair<ExPolygon, size_t> &colored_expoly : segmented_regions[layer_idx]) {
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assert(segmented_regions[layer_idx].size() == num_extruders + 1);
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// Zero is skipped because it is the default color of the volume
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for (size_t extruder_id = 1; extruder_id < num_extruders + 1; ++extruder_id) {
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throw_on_cancel_callback();
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// Zero is the default color of the volume.
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if(colored_expoly.second == 0)
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continue;
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ExPolygons cut_colored_expoly = {colored_expoly.first};
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for (const std::vector<ExPolygons> &top_and_bottom_layer : top_and_bottom_layers)
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cut_colored_expoly = diff_ex(cut_colored_expoly, top_and_bottom_layer[layer_idx]);
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for (ExPolygon &ex_poly : cut_colored_expoly)
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segmented_regions_merged[layer_idx].emplace_back(std::move(ex_poly), colored_expoly.second - 1);
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}
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if (!segmented_regions[layer_idx][extruder_id].empty()) {
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ExPolygons segmented_regions_trimmed = segmented_regions[layer_idx][extruder_id];
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for (const std::vector<ExPolygons> &top_and_bottom_by_extruder : top_and_bottom_layers)
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if (!top_and_bottom_by_extruder[layer_idx].empty() && !segmented_regions_trimmed.empty())
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segmented_regions_trimmed = diff_ex(segmented_regions_trimmed, top_and_bottom_by_extruder[layer_idx]);
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for (size_t color_idx = 1; color_idx < top_and_bottom_layers.size(); ++color_idx)
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for (ExPolygon &expoly : top_and_bottom_layers[color_idx][layer_idx])
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segmented_regions_merged[layer_idx].emplace_back(std::move(expoly), color_idx - 1);
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segmented_regions_merged[layer_idx][extruder_id - 1] = std::move(segmented_regions_trimmed);
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}
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if (!top_and_bottom_layers[extruder_id][layer_idx].empty()) {
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bool was_top_and_bottom_empty = segmented_regions_merged[layer_idx][extruder_id - 1].empty();
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append(segmented_regions_merged[layer_idx][extruder_id - 1], top_and_bottom_layers[extruder_id][layer_idx]);
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// Remove dimples (#7235) appearing after merging side segmentation of the model with tops and bottoms painted layers.
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if (!was_top_and_bottom_empty)
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segmented_regions_merged[layer_idx][extruder_id - 1] = offset2_ex(union_ex(segmented_regions_merged[layer_idx][extruder_id - 1]), SCALED_EPSILON, -SCALED_EPSILON);
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}
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}
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}
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}); // end of parallel_for
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BOOST_LOG_TRIVIAL(debug) << "MMU segmentation - merging segmented layers in parallel - end";
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@ -1565,7 +1574,7 @@ static std::vector<std::vector<std::pair<ExPolygon, size_t>>> merge_segmented_la
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}
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#ifdef MMU_SEGMENTATION_DEBUG_REGIONS
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static void export_regions_to_svg(const std::string &path, const std::vector<std::pair<ExPolygon, size_t>> ®ions, const ExPolygons &lslices)
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static void export_regions_to_svg(const std::string &path, const std::vector<ExPolygons> ®ions, const ExPolygons &lslices)
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{
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const std::vector<std::string> colors = {"blue", "cyan", "red", "orange", "magenta", "pink", "purple", "yellow"};
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coordf_t stroke_width = scale_(0.05);
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@ -1574,12 +1583,12 @@ static void export_regions_to_svg(const std::string &path, const std::vector<std
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::Slic3r::SVG svg(path.c_str(), bbox);
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svg.draw_outline(lslices, "green", "lime", stroke_width);
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for (const std::pair<ExPolygon, size_t> ®ion : regions) {
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int region_color = int(region.second);
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if (region_color >= 0 && region_color < int(colors.size()))
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svg.draw(region.first, colors[region_color]);
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for (const ExPolygons &by_extruder : regions) {
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size_t extrude_idx = &by_extruder - ®ions.front();
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if (extrude_idx >= 0 && extrude_idx < int(colors.size()))
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svg.draw(by_extruder, colors[extrude_idx], stroke_width);
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else
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svg.draw(region.first, "black");
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svg.draw(by_extruder, "black", stroke_width);
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}
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}
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#endif // MMU_SEGMENTATION_DEBUG_REGIONS
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@ -1667,20 +1676,23 @@ static bool has_layer_only_one_color(const std::vector<std::vector<ColoredLine>>
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return true;
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}
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std::vector<std::vector<std::pair<ExPolygon, size_t>>> multi_material_segmentation_by_painting(const PrintObject &print_object, const std::function<void()> &throw_on_cancel_callback)
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std::vector<std::vector<ExPolygons>> multi_material_segmentation_by_painting(const PrintObject &print_object, const std::function<void()> &throw_on_cancel_callback)
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{
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std::vector<std::vector<std::pair<ExPolygon, size_t>>> segmented_regions(print_object.layers().size());
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std::vector<std::vector<PaintedLine>> painted_lines(print_object.layers().size());
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std::array<std::mutex, 64> painted_lines_mutex;
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std::vector<EdgeGrid::Grid> edge_grids(print_object.layers().size());
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const ConstLayerPtrsAdaptor layers = print_object.layers();
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std::vector<ExPolygons> input_expolygons(layers.size());
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const size_t num_extruders = print_object.print()->config().nozzle_diameter.size();
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const size_t num_layers = print_object.layers().size();
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std::vector<std::vector<ExPolygons>> segmented_regions(num_layers);
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segmented_regions.assign(num_layers, std::vector<ExPolygons>(num_extruders + 1));
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std::vector<std::vector<PaintedLine>> painted_lines(num_layers);
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std::array<std::mutex, 64> painted_lines_mutex;
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std::vector<EdgeGrid::Grid> edge_grids(num_layers);
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const ConstLayerPtrsAdaptor layers = print_object.layers();
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std::vector<ExPolygons> input_expolygons(num_layers);
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throw_on_cancel_callback();
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// Merge all regions and remove small holes
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BOOST_LOG_TRIVIAL(debug) << "MMU segmentation - slices preparation in parallel - begin";
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tbb::parallel_for(tbb::blocked_range<size_t>(0, layers.size()), [&layers, &input_expolygons, &throw_on_cancel_callback](const tbb::blocked_range<size_t> &range) {
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tbb::parallel_for(tbb::blocked_range<size_t>(0, num_layers), [&layers, &input_expolygons, &throw_on_cancel_callback](const tbb::blocked_range<size_t> &range) {
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for (size_t layer_idx = range.begin(); layer_idx < range.end(); ++layer_idx) {
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throw_on_cancel_callback();
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ExPolygons ex_polygons;
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@ -1711,7 +1723,7 @@ std::vector<std::vector<std::pair<ExPolygon, size_t>>> multi_material_segmentati
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}); // end of parallel_for
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BOOST_LOG_TRIVIAL(debug) << "MMU segmentation - slices preparation in parallel - end";
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for (size_t layer_idx = 0; layer_idx < layers.size(); ++layer_idx) {
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for (size_t layer_idx = 0; layer_idx < num_layers; ++layer_idx) {
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throw_on_cancel_callback();
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BoundingBox bbox(get_extents(layers[layer_idx]->regions()));
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bbox.merge(get_extents(input_expolygons[layer_idx]));
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@ -1723,8 +1735,7 @@ std::vector<std::vector<std::pair<ExPolygon, size_t>>> multi_material_segmentati
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BOOST_LOG_TRIVIAL(debug) << "MMU segmentation - projection of painted triangles - begin";
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for (const ModelVolume *mv : print_object.model_object()->volumes) {
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const size_t num_extruders = print_object.print()->config().nozzle_diameter.size() + 1;
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tbb::parallel_for(tbb::blocked_range<size_t>(1, num_extruders), [&mv, &print_object, &edge_grids, &painted_lines, &painted_lines_mutex, &input_expolygons, &throw_on_cancel_callback](const tbb::blocked_range<size_t> &range) {
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tbb::parallel_for(tbb::blocked_range<size_t>(1, num_extruders + 1), [&mv, &print_object, &layers, &edge_grids, &painted_lines, &painted_lines_mutex, &input_expolygons, &throw_on_cancel_callback](const tbb::blocked_range<size_t> &range) {
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for (size_t extruder_idx = range.begin(); extruder_idx < range.end(); ++extruder_idx) {
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throw_on_cancel_callback();
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const indexed_triangle_set custom_facets = mv->mmu_segmentation_facets.get_facets(*mv, EnforcerBlockerType(extruder_idx));
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@ -1732,7 +1743,7 @@ std::vector<std::vector<std::pair<ExPolygon, size_t>>> multi_material_segmentati
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continue;
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const Transform3f tr = print_object.trafo().cast<float>() * mv->get_matrix().cast<float>();
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tbb::parallel_for(tbb::blocked_range<size_t>(0, custom_facets.indices.size()), [&tr, &custom_facets, &print_object, &edge_grids, &input_expolygons, &painted_lines, &painted_lines_mutex, &extruder_idx](const tbb::blocked_range<size_t> &range) {
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tbb::parallel_for(tbb::blocked_range<size_t>(0, custom_facets.indices.size()), [&tr, &custom_facets, &print_object, &layers, &edge_grids, &input_expolygons, &painted_lines, &painted_lines_mutex, &extruder_idx](const tbb::blocked_range<size_t> &range) {
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for (size_t facet_idx = range.begin(); facet_idx < range.end(); ++facet_idx) {
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float min_z = std::numeric_limits<float>::max();
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float max_z = std::numeric_limits<float>::lowest();
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@ -1748,15 +1759,15 @@ std::vector<std::vector<std::pair<ExPolygon, size_t>>> multi_material_segmentati
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std::sort(facet.begin(), facet.end(), [](const Vec3f &p1, const Vec3f &p2) { return p1.z() < p2.z(); });
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// Find lowest slice not below the triangle.
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auto first_layer = std::upper_bound(print_object.layers().begin(), print_object.layers().end(), float(min_z - EPSILON),
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auto first_layer = std::upper_bound(layers.begin(), layers.end(), float(min_z - EPSILON),
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[](float z, const Layer *l1) { return z < l1->slice_z; });
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auto last_layer = std::upper_bound(print_object.layers().begin(), print_object.layers().end(), float(max_z + EPSILON),
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auto last_layer = std::upper_bound(layers.begin(), layers.end(), float(max_z + EPSILON),
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[](float z, const Layer *l1) { return z < l1->slice_z; });
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--last_layer;
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for (auto layer_it = first_layer; layer_it != (last_layer + 1); ++layer_it) {
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const Layer *layer = *layer_it;
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size_t layer_idx = layer_it - print_object.layers().begin();
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size_t layer_idx = layer_it - layers.begin();
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if (input_expolygons[layer_idx].empty() || facet[0].z() > layer->slice_z || layer->slice_z > facet[2].z())
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continue;
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@ -1799,7 +1810,7 @@ std::vector<std::vector<std::pair<ExPolygon, size_t>>> multi_material_segmentati
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<< std::count_if(painted_lines.begin(), painted_lines.end(), [](const std::vector<PaintedLine> &pl) { return !pl.empty(); });
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BOOST_LOG_TRIVIAL(debug) << "MMU segmentation - layers segmentation in parallel - begin";
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tbb::parallel_for(tbb::blocked_range<size_t>(0, print_object.layers().size()), [&edge_grids, &input_expolygons, &painted_lines, &segmented_regions, &throw_on_cancel_callback](const tbb::blocked_range<size_t> &range) {
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tbb::parallel_for(tbb::blocked_range<size_t>(0, num_layers), [&edge_grids, &input_expolygons, &painted_lines, &segmented_regions, &num_extruders, &throw_on_cancel_callback](const tbb::blocked_range<size_t> &range) {
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for (size_t layer_idx = range.begin(); layer_idx < range.end(); ++layer_idx) {
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throw_on_cancel_callback();
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if (!painted_lines[layer_idx].empty()) {
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@ -1832,8 +1843,7 @@ std::vector<std::vector<std::pair<ExPolygon, size_t>>> multi_material_segmentati
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assert(!color_poly.front().empty());
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if (has_layer_only_one_color(color_poly)) {
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// If the whole layer is painted using the same color, it is not needed to construct a Voronoi diagram for the segmentation of this layer.
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for (const ExPolygon &ex_polygon : input_expolygons[layer_idx])
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segmented_regions[layer_idx].emplace_back(ex_polygon, size_t(color_poly.front().front().color));
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segmented_regions[layer_idx][size_t(color_poly.front().front().color)] = input_expolygons[layer_idx];
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} else {
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MMU_Graph graph = build_graph(layer_idx, color_poly);
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remove_multiple_edges_in_vertices(graph, color_poly);
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@ -1846,9 +1856,7 @@ std::vector<std::vector<std::pair<ExPolygon, size_t>>> multi_material_segmentati
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}
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#endif // MMU_SEGMENTATION_DEBUG_GRAPH
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std::vector<std::pair<Polygon, size_t>> segmentation = extract_colored_segments(graph);
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for (std::pair<Polygon, size_t> ®ion : segmentation)
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segmented_regions[layer_idx].emplace_back(std::move(region));
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||||
segmented_regions[layer_idx] = extract_colored_segments(graph, num_extruders);
|
||||
}
|
||||
|
||||
#ifdef MMU_SEGMENTATION_DEBUG_REGIONS
|
||||
@ -1868,11 +1876,11 @@ std::vector<std::vector<std::pair<ExPolygon, size_t>>> multi_material_segmentati
|
||||
throw_on_cancel_callback();
|
||||
}
|
||||
|
||||
// return segmented_regions;
|
||||
std::vector<std::vector<ExPolygons>> top_and_bottom_layers = mmu_segmentation_top_and_bottom_layers(print_object, input_expolygons, 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);
|
||||
throw_on_cancel_callback();
|
||||
|
||||
std::vector<std::vector<std::pair<ExPolygon, size_t>>> segmented_regions_merged = merge_segmented_layers(segmented_regions, std::move(top_and_bottom_layers), throw_on_cancel_callback);
|
||||
std::vector<std::vector<ExPolygons>> segmented_regions_merged = merge_segmented_layers(segmented_regions, std::move(top_and_bottom_layers), num_extruders, throw_on_cancel_callback);
|
||||
throw_on_cancel_callback();
|
||||
|
||||
#ifdef MMU_SEGMENTATION_DEBUG_REGIONS
|
||||
|
||||
@ -11,7 +11,7 @@ class PrintObject;
|
||||
class ExPolygon;
|
||||
|
||||
// Returns MMU segmentation based on painting in MMU segmentation gizmo
|
||||
std::vector<std::vector<std::pair<ExPolygon, size_t>>> multi_material_segmentation_by_painting(const PrintObject &print_object, const std::function<void()> &throw_on_cancel_callback);
|
||||
std::vector<std::vector<ExPolygons>> multi_material_segmentation_by_painting(const PrintObject &print_object, const std::function<void()> &throw_on_cancel_callback);
|
||||
|
||||
} // namespace Slic3r
|
||||
|
||||
|
||||
@ -538,7 +538,7 @@ template<typename ThrowOnCancel>
|
||||
static inline void apply_mm_segmentation(PrintObject &print_object, ThrowOnCancel throw_on_cancel)
|
||||
{
|
||||
// Returns MMU segmentation based on painting in MMU segmentation gizmo
|
||||
std::vector<std::vector<std::pair<ExPolygon, size_t>>> segmentation = multi_material_segmentation_by_painting(print_object, throw_on_cancel);
|
||||
std::vector<std::vector<ExPolygons>> segmentation = multi_material_segmentation_by_painting(print_object, throw_on_cancel);
|
||||
assert(segmentation.size() == print_object.layer_count());
|
||||
tbb::parallel_for(
|
||||
tbb::blocked_range<size_t>(0, segmentation.size(), std::max(segmentation.size() / 128, size_t(1))),
|
||||
@ -568,9 +568,7 @@ static inline void apply_mm_segmentation(PrintObject &print_object, ThrowOnCance
|
||||
bool layer_split = false;
|
||||
for (size_t extruder_id = 0; extruder_id < num_extruders; ++ extruder_id) {
|
||||
ByExtruder ®ion = by_extruder[extruder_id];
|
||||
for (const std::pair<ExPolygon, size_t> &colored_polygon : segmentation[layer_id])
|
||||
if (colored_polygon.second == extruder_id)
|
||||
region.expolygons.emplace_back(std::move(colored_polygon.first));
|
||||
append(region.expolygons, std::move(segmentation[layer_id][extruder_id]));
|
||||
if (! region.expolygons.empty()) {
|
||||
region.bbox = get_extents(region.expolygons);
|
||||
layer_split = true;
|
||||
@ -632,6 +630,13 @@ static inline void apply_mm_segmentation(PrintObject &print_object, ThrowOnCance
|
||||
if (mine.empty())
|
||||
break;
|
||||
}
|
||||
// Filter out unprintable polygons produced by subtraction multi-material painted regions from layerm.region().
|
||||
// ExPolygon returned from multi-material segmentation does not precisely match ExPolygons in layerm.region()
|
||||
// (because of preprocessing of the input regions in multi-material segmentation). Therefore, subtraction from
|
||||
// layerm.region() could produce a huge number of small unprintable regions for the model's base extruder.
|
||||
// This could, on some models, produce bulges with the model's base color (#7109).
|
||||
if (! mine.empty())
|
||||
mine = opening(union_ex(mine), float(scale_(5 * EPSILON)), float(scale_(5 * EPSILON)));
|
||||
if (! mine.empty()) {
|
||||
ByRegion &dst = by_region[layerm.region().print_object_region_id()];
|
||||
if (dst.expolygons.empty()) {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user