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Small refactoring of storing colored polygons in multi-material segmentation.

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Previously, colored polygons were stored so that each polygon had a color assigned to it, which made it difficult to perform operations like union or so on all polygons of the same color. Now polygons are stored grouped by their assigned color/extruder.
This commit is contained in:
Lukáš Hejl
2021-11-05 10:07:21 +01:00
parent 54b72fdaa9
commit b572588fc5
3 changed files with 70 additions and 71 deletions
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6
src/libslic3r/PrintObjectSlice.cpp
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@@ -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 &region = 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;