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ENH: add tool order function

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1.Use min cost max flow to solve the tool order

jira:NEW

Signed-off-by: xun.zhang <xun.zhang@bambulab.com>
Change-Id: I909845039b67c7fe3ddd42580ad3f1d71d52262d
(cherry picked from commit 0716b8518ef62e0eac7c45de8bafb1458d8f9a8e)
This commit is contained in:
xun.zhang
2024-08-08 11:23:29 +08:00
committed by Noisyfox
parent ec98375192
commit 5d4cb375b0
4 changed files with 159 additions and 18 deletions
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31
src/libslic3r/GCode/ToolOrderUtils.hpp
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@@ -9,6 +9,36 @@ namespace Slic3r {
using FlushMatrix = std::vector<std::vector<float>>;
class MCMF
{
const int INF = std::numeric_limits<int>::max();
struct Edge
{
int from, to, capacity, cost, flow;
Edge(int u, int v, int cap, int cst) : from(u), to(v), capacity(cap), cost(cst), flow(0) {}
};
public:
MCMF(const FlushMatrix &matrix_, const std::vector<int> &u_nodes, const std::vector<int> &v_nodes);
std::vector<int> solve();
private:
void add_edge(int from, int to, int capacity, int cost);
bool spfa(int source, int sink);
int get_distance(int idx_in_left, int idx_in_right);
private:
FlushMatrix matrix;
std::vector<int> l_nodes;
std::vector<int> r_nodes;
int total_nodes;
int source_id;
int sink_id;
std::vector<Edge> edges;
std::vector<std::vector<int>> adj;
};
std::vector<unsigned int> get_extruders_order(const std::vector<std::vector<float>> &wipe_volumes,
const std::vector<unsigned int> &curr_layer_extruders,
@@ -24,6 +54,5 @@ int reorder_filaments_for_minimum_flush_volume(const std::vector<unsigned int> &
std::optional<std::function<bool(int, std::vector<int> &)>> get_custom_seq,
std::vector<std::vector<unsigned int>> *filament_sequences);
}
#endif // !TOOL_ORDER_UTILS_HPP