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ENH: support recommended filament map when print by object

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1. support recommended filament map when print by object
2. placeholder_parser support function filament_change
3. extruder_id of filament_map is start from 1

Change-Id: Ide8019cd4a165a25972f22706ff685c3005aa031
(cherry picked from commit b42d94e1d05236b8b7b2e65b4a24810eecf040cb)
This commit is contained in:
zhimin.zeng
2024-07-02 20:26:13 +08:00
committed by Noisyfox
parent 8db3e3cd54
commit e2c3926c76
7 changed files with 182 additions and 17 deletions
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155
src/libslic3r/GCode/ToolOrdering.cpp
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@@ -1044,6 +1044,146 @@ std::vector<int> ToolOrdering::get_recommended_filament_maps()
return recommended_filament_maps;
}
// for print by object
std::vector<int> ToolOrdering::get_recommended_filament_maps(const std::vector<std::vector<unsigned int>> all_layer_filaments, const PrintConfig *print_config)
{
//if (!print_config && m_print_object_ptr) { print_config = &(m_print_object_ptr->print()->config()); }
if (!print_config || all_layer_filaments.empty())
return std::vector<int>();
const unsigned int number_of_extruders = (unsigned int) (print_config->filament_colour.values.size() + EPSILON);
// get flush matrix
std::vector<FlushMatrix> nozzle_flush_mtx;
size_t nozzle_nums = print_config->nozzle_diameter.values.size();
for (size_t nozzle_id = 0; nozzle_id < nozzle_nums; ++nozzle_id) {
std::vector<float> flush_matrix(cast<float>(get_flush_volumes_matrix(print_config->flush_volumes_matrix.values, nozzle_id, nozzle_nums)));
std::vector<std::vector<float>> wipe_volumes;
for (unsigned int i = 0; i < number_of_extruders; ++i)
wipe_volumes.push_back(std::vector<float>(flush_matrix.begin() + i * number_of_extruders, flush_matrix.begin() + (i + 1) * number_of_extruders));
nozzle_flush_mtx.emplace_back(wipe_volumes);
}
auto extruders_to_hash_key = [](const std::vector<unsigned int> &extruders, std::optional<unsigned int> initial_extruder_id) -> uint32_t {
uint32_t hash_key = 0;
// high 16 bit define initial extruder ,low 16 bit define extruder set
if (initial_extruder_id) hash_key |= (1 << (16 + *initial_extruder_id));
for (auto item : extruders) hash_key |= (1 << item);
return hash_key;
};
std::vector<LayerPrintSequence> other_layers_seqs;
const ConfigOptionInts * other_layers_print_sequence_op = print_config->option<ConfigOptionInts>("other_layers_print_sequence");
const ConfigOptionInt * other_layers_print_sequence_nums_op = print_config->option<ConfigOptionInt>("other_layers_print_sequence_nums");
if (other_layers_print_sequence_op && other_layers_print_sequence_nums_op) {
const std::vector<int> &print_sequence = other_layers_print_sequence_op->values;
int sequence_nums = other_layers_print_sequence_nums_op->value;
other_layers_seqs = get_other_layers_print_sequence(sequence_nums, print_sequence);
}
// other_layers_seq: the layer_idx and extruder_idx are base on 1
auto get_custom_seq = [&other_layers_seqs](int layer_idx, std::vector<int> &out_seq) -> bool {
for (size_t idx = other_layers_seqs.size() - 1; idx != size_t(-1); --idx) {
const auto &other_layers_seq = other_layers_seqs[idx];
if (layer_idx + 1 >= other_layers_seq.first.first && layer_idx + 1 <= other_layers_seq.first.second) {
out_seq = other_layers_seq.second;
return true;
}
}
return false;
};
std::set<unsigned int> filaments;
for (int i = 0; i < all_layer_filaments.size(); ++i) {
for (unsigned int filament : all_layer_filaments[i])
filaments.insert(filament);
}
auto extruder_group = generate_combinations(std::vector<unsigned int>(filaments.begin(), filaments.end()));
std::vector<int> recommended_filament_maps;
float min_flush_volume = std::numeric_limits<float>::max();
for (auto iter = extruder_group.begin(); iter != extruder_group.end(); ++iter) {
std::vector<int> filament_maps;
filament_maps.resize(number_of_extruders);
for (unsigned int e : iter->first) {
filament_maps[e] = 0;
}
for (unsigned int e : iter->second) {
filament_maps[e] = 1;
}
std::optional<unsigned int> current_extruder_id;
std::vector<std::optional<unsigned int>> nozzle_to_cur_filaments;
nozzle_to_cur_filaments.resize(nozzle_nums);
float flush_volume_cost = 0;
for (int i = 0; i < all_layer_filaments.size(); ++i) {
std::vector<unsigned int> layer_filaments = all_layer_filaments[i];
if (layer_filaments.empty())
continue;
std::vector<int> custom_extruder_seq;
if (get_custom_seq(i, custom_extruder_seq) && !custom_extruder_seq.empty()) {
std::vector<unsigned int> unsign_custom_extruder_seq;
for (int extruder : custom_extruder_seq) {
unsigned int unsign_extruder = static_cast<unsigned int>(extruder) - 1;
auto it = std::find(layer_filaments.begin(), layer_filaments.end(), unsign_extruder);
if (it != layer_filaments.end()) {
unsign_custom_extruder_seq.emplace_back(unsign_extruder);
nozzle_to_cur_filaments[filament_maps[unsign_extruder]] = unsign_extruder;
}
}
layer_filaments = unsign_custom_extruder_seq;
current_extruder_id = layer_filaments.back();
flush_volume_cost += get_flush_volume(filament_maps, layer_filaments, nozzle_flush_mtx, nozzle_nums);
continue;
}
// The algorithm complexity is O(n2*2^n)
if (i != 0) {
std::vector<std::vector<unsigned int>> nozzle_filaments;
nozzle_filaments.resize(nozzle_nums);
for (unsigned int filament_id : layer_filaments)
{
nozzle_filaments[filament_maps[filament_id]].emplace_back(filament_id);
}
for (size_t nozzle_id = 0; nozzle_id < nozzle_nums; ++nozzle_id) {
float f_cost = 0;
nozzle_filaments[nozzle_id] = get_extruders_order(nozzle_flush_mtx[nozzle_id], nozzle_filaments[nozzle_id], nozzle_to_cur_filaments[nozzle_id], &f_cost);
std::vector<uint8_t> hash_val;
hash_val.reserve(nozzle_filaments[nozzle_id].size());
for (auto item : nozzle_filaments[nozzle_id]) hash_val.emplace_back(static_cast<uint8_t>(item));
flush_volume_cost += f_cost;
nozzle_to_cur_filaments[nozzle_id] = nozzle_filaments[nozzle_id].back();
}
//layer_filaments.clear();
//for (size_t nozzle_id = 0; nozzle_id < nozzle_nums; ++nozzle_id) {
// layer_filaments.insert(layer_filaments.end(), nozzle_filaments[nozzle_id].begin(), nozzle_filaments[nozzle_id].end());
//}
}
current_extruder_id = layer_filaments.back();
}
if (flush_volume_cost == 0) {
recommended_filament_maps = filament_maps;
break;
}
if (flush_volume_cost < min_flush_volume) {
min_flush_volume = flush_volume_cost;
recommended_filament_maps = filament_maps;
}
}
return recommended_filament_maps;
}
void ToolOrdering::reorder_extruders_for_minimum_flush_volume()
{
const PrintConfig *print_config = m_print_config_ptr;
@@ -1056,12 +1196,19 @@ void ToolOrdering::reorder_extruders_for_minimum_flush_volume()
size_t nozzle_nums = print_config->nozzle_diameter.values.size();
if (nozzle_nums > 1) {
std::vector<int> filament_maps = get_recommended_filament_maps();
if (filament_maps.empty()) // multi-extruder and one-color
return;
std::vector<int> filament_maps = m_print->get_filament_maps();
if (print_config->print_sequence != PrintSequence::ByObject) {
filament_maps = get_recommended_filament_maps();
if (filament_maps.empty()) // multi-extruder and one-color
return;
std::transform(filament_maps.begin(), filament_maps.end(), filament_maps.begin(), [](int value) { return value + 1; });
m_print->update_filament_maps_to_config(filament_maps);
}
std::transform(filament_maps.begin(), filament_maps.end(), filament_maps.begin(), [](int value) { return value - 1; });
reorder_extruders_for_minimum_flush_volume_multi_extruder(filament_maps);
m_print->update_filament_maps_to_config(filament_maps);
return;
}