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SPE-2387: Fix printing order of open perimeters with Arachne.

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Lukáš Hejl 2024-07-12 10:26:01 +02:00 committed by Lukas Matena
parent a7268efdfd
commit d7e32216e8
1 changed files with 12 additions and 5 deletions
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17
src/libslic3r/Arachne/PerimeterOrder.cpp
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@ -162,9 +162,14 @@ struct GroupedPerimeterExtrusions
};
// Returns vector of indexes that represent the order of grouped extrusions in grouped_extrusions.
static std::vector<size_t> order_of_grouped_perimeter_extrusions_to_minimize_distances(Point current_position, std::vector<GroupedPerimeterExtrusions> grouped_extrusions) {
static std::vector<size_t> order_of_grouped_perimeter_extrusions_to_minimize_distances(const std::vector<GroupedPerimeterExtrusions> &grouped_extrusions, Point current_position) {
std::vector<size_t> grouped_extrusions_sorted_indices(grouped_extrusions.size());
std::iota(grouped_extrusions_sorted_indices.begin(), grouped_extrusions_sorted_indices.end(), 0);
// Ensure that holes will be placed before contour and open extrusions before the closed one.
std::sort(grouped_extrusions.begin(), grouped_extrusions.end(), [](const GroupedPerimeterExtrusions &l, const GroupedPerimeterExtrusions &r) -> bool {
std::sort(grouped_extrusions_sorted_indices.begin(), grouped_extrusions_sorted_indices.end(), [&grouped_extrusions = std::as_const(grouped_extrusions)](const size_t l_idx, const size_t r_idx) -> bool {
const GroupedPerimeterExtrusions &l = grouped_extrusions[l_idx];
const GroupedPerimeterExtrusions &r = grouped_extrusions[r_idx];
return (l.external_perimeter_extrusion->is_contour() < r.external_perimeter_extrusion->is_contour()) ||
(l.external_perimeter_extrusion->is_contour() == r.external_perimeter_extrusion->is_contour() && l.external_perimeter_extrusion->is_closed() < r.external_perimeter_extrusion->is_closed());
});
@ -181,8 +186,9 @@ static std::vector<size_t> order_of_grouped_perimeter_extrusions_to_minimize_dis
bool is_nearest_closed = false;
// First we order all holes and then we start ordering contours.
const size_t grouped_extrusion_end = grouped_extrusions_order.size() < holes_cnt ? holes_cnt: grouped_extrusions.size();
for (size_t grouped_extrusion_idx = 0; grouped_extrusion_idx < grouped_extrusion_end; ++grouped_extrusion_idx) {
const size_t grouped_extrusions_sorted_indices_end = (grouped_extrusions_order.size() < holes_cnt) ? holes_cnt : grouped_extrusions_sorted_indices.size();
for (size_t grouped_extrusions_sorted_idx = 0; grouped_extrusions_sorted_idx < grouped_extrusions_sorted_indices_end; ++grouped_extrusions_sorted_idx) {
const size_t grouped_extrusion_idx = grouped_extrusions_sorted_indices[grouped_extrusions_sorted_idx];
if (already_selected[grouped_extrusion_idx])
continue;
@ -200,6 +206,7 @@ static std::vector<size_t> order_of_grouped_perimeter_extrusions_to_minimize_dis
grouped_extrusions_order.emplace_back(nearest_grouped_extrusions_idx);
already_selected[nearest_grouped_extrusions_idx] = true;
const GroupedPerimeterExtrusions &nearest_grouped_extrusions = grouped_extrusions[nearest_grouped_extrusions_idx];
const ExtrusionLine &last_extrusion_line = nearest_grouped_extrusions.extrusions.back()->extrusion;
current_position = get_end_position(last_extrusion_line);
@ -257,7 +264,7 @@ static PerimeterExtrusions extract_ordered_perimeter_extrusions(const PerimeterE
std::reverse(grouped_extrusions.back().extrusions.begin(), grouped_extrusions.back().extrusions.end());
}
const std::vector<size_t> grouped_extrusion_order = order_of_grouped_perimeter_extrusions_to_minimize_distances(Point::Zero(), grouped_extrusions);
const std::vector<size_t> grouped_extrusion_order = order_of_grouped_perimeter_extrusions_to_minimize_distances(grouped_extrusions, Point::Zero());
PerimeterExtrusions ordered_extrusions;
for (size_t order_idx : grouped_extrusion_order) {