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Reworked Traveling Salesman Problem code for simplicity and robustness.

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The TSP algorithm is newly used for planning of the printing order
of objects AND their instances.
This commit is contained in:
bubnikv 2019-09-26 16:39:50 +02:00
parent 8d4dd294b2
commit 10eecb2cab
8 changed files with 293 additions and 316 deletions
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10
src/libslic3r/ShortestPath.hpp
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@ -10,7 +10,17 @@
namespace Slic3r {
std::vector<size_t> chain_points(const Points &points, Point *start_near = nullptr);
std::vector<std::pair<size_t, bool>> chain_extrusion_entities(std::vector<ExtrusionEntity*> &entities, const Point *start_near = nullptr);
void reorder_extrusion_entities(std::vector<ExtrusionEntity*> &entities, std::vector<std::pair<size_t, bool>> &chain);
void chain_and_reorder_extrusion_entities(std::vector<ExtrusionEntity*> &entities, const Point *start_near = nullptr);
// Chain instances of print objects by an approximate shortest path.
// Returns pairs of PrintObject idx and instance of that PrintObject.
class Print;
std::vector<std::pair<size_t, size_t>> chain_print_object_instances(const Print &print);
} // namespace Slic3r