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SPE-2150: Remove top and bottom surfaces that are covered during multi-material segmentation.

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Co-authored-by: zhimin.zeng <zhimin.zeng@bambulab.com>
Co-authored-by: lane.wei <lane.wei@bambulab.com>
This commit is contained in:
Lukáš Hejl 2024-07-31 14:00:18 +02:00 committed by Lukas Matena
parent 5dc04b4e8f
commit 9397da61fc
1 changed files with 27 additions and 5 deletions
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32
src/libslic3r/MultiMaterialSegmentation.cpp
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@ -968,17 +968,39 @@ static inline std::vector<std::vector<ExPolygons>> mm_segmentation_top_and_botto
}
auto filter_out_small_polygons = [&num_extruders, &num_layers](std::vector<std::vector<Polygons>> &raw_surfaces, double min_area) -> void {
for (size_t extruder_idx = 0; extruder_idx < num_extruders; ++extruder_idx)
if (!raw_surfaces[extruder_idx].empty())
for (size_t layer_idx = 0; layer_idx < num_layers; ++layer_idx)
if (!raw_surfaces[extruder_idx][layer_idx].empty())
remove_small(raw_surfaces[extruder_idx][layer_idx], min_area);
for (size_t extruder_idx = 0; extruder_idx < num_extruders; ++extruder_idx) {
if (raw_surfaces[extruder_idx].empty())
continue;
for (size_t layer_idx = 0; layer_idx < num_layers; ++layer_idx) {
if (raw_surfaces[extruder_idx][layer_idx].empty())
continue;
remove_small(raw_surfaces[extruder_idx][layer_idx], min_area);
}
}
};
// Filter out polygons less than 0.1mm^2, because they are unprintable and causing dimples on outer primers (#7104)
filter_out_small_polygons(top_raw, Slic3r::sqr(scale_(0.1f)));
filter_out_small_polygons(bottom_raw, Slic3r::sqr(scale_(0.1f)));
// Remove top and bottom surfaces that are covered by the previous or next sliced layer.
for (size_t extruder_idx = 0; extruder_idx < num_extruders; ++extruder_idx) {
for (size_t layer_idx = 0; layer_idx < num_layers; ++layer_idx) {
const bool has_top_surface = !top_raw[extruder_idx].empty() && !top_raw[extruder_idx][layer_idx].empty();
const bool has_bottom_surface = !bottom_raw[extruder_idx].empty() && !bottom_raw[extruder_idx][layer_idx].empty();
if (has_top_surface && layer_idx < (num_layers - 1)) {
top_raw[extruder_idx][layer_idx] = diff(top_raw[extruder_idx][layer_idx], input_expolygons[layer_idx + 1]);
}
if (has_bottom_surface && layer_idx > 0) {
bottom_raw[extruder_idx][layer_idx] = diff(bottom_raw[extruder_idx][layer_idx], input_expolygons[layer_idx - 1]);
}
}
}
#ifdef MM_SEGMENTATION_DEBUG_TOP_BOTTOM
{
const char* colors[] = { "aqua", "black", "blue", "fuchsia", "gray", "green", "lime", "maroon", "navy", "olive", "purple", "red", "silver", "teal", "yellow" };