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ENH: improve auto arranging of multi-color and multi-heights objects 

1. Compute score_all_plates correctly. Previously we only compute the
   first j plates which was wrong.
2. Compute height score correctly. Use average height difference instead of sum.
3. Compute color change score in a different way. If adding the current item
   increases extruder number, then adds up the score by 1.

jira: STUDIO-7013
Change-Id: I921c181bd4b32080627514d3834f4b74ccd00adb
(cherry picked from commit 4f6ae81be98109fe61d55203e306686e0d294ec4)
This commit is contained in:
Arthur 2024-05-08 10:02:49 +08:00 committed by Lane.Wei
parent 8434ba0c76
commit afd647d764
2 changed files with 15 additions and 6 deletions
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6
src/libnest2d/include/libnest2d/selections/firstfit.hpp
View File

@ -119,9 +119,9 @@ public:
for(; j < placers.size() && !was_packed && !cancelled(); j++) {
result = placers[j].pack(*it, rem(it, store_));
score = result.score();
score_all_plates = std::accumulate(placers.begin(), placers.begin() + j, score,
[](double sum, const Placer& elem) { return sum + elem.score(); });
if (this->unfitindicator_) this->unfitindicator_(it->get().name + " bed_id="+std::to_string(j) + ",score=" + std::to_string(score));
score_all_plates = score;
for (int i = 0; i < placers.size(); i++) { score_all_plates += placers[i].score();}
if (this->unfitindicator_) this->unfitindicator_(it->get().name + " bed_id="+std::to_string(j) + ",score=" + std::to_string(score)+", score_all_plates="+std::to_string(score_all_plates));
if(score >= 0 && score < LARGE_COST_TO_REJECT) {
if (bed_id_firstfit == -1) {

15
src/libslic3r/Arrange.cpp
View File

@ -633,17 +633,24 @@ protected:
score += lambda4 * hasRowHeightConflict + lambda4 * hasLidHeightConflict;
}
else {
int valid_items_cnt = 0;
double height_score = 0;
for (int i = 0; i < m_items.size(); i++) {
Item& p = m_items[i];
if (!p.is_virt_object) {
valid_items_cnt++;
// 高度接近的件尽量摆到一起
score += (1- std::abs(item.height - p.height) / params.printable_height)
height_score += (1- std::abs(item.height - p.height) / params.printable_height)
* norm(pl::distance(ibb.center(), p.boundingBox().center()));
//score += LARGE_COST_TO_REJECT * (item.bed_temp - p.bed_temp != 0);
if (!Print::is_filaments_compatible({ item.filament_temp_type,p.filament_temp_type }))
if (!Print::is_filaments_compatible({ item.filament_temp_type,p.filament_temp_type })) {
score += LARGE_COST_TO_REJECT;
break;
}
}
}
if (valid_items_cnt > 0)
score += height_score / valid_items_cnt;
}
std::set<int> extruder_ids;
@ -664,9 +671,11 @@ protected:
}
// for layered printing, we want extruder change as few as possible
// this has very weak effect, CAN NOT use a large weight
int last_extruder_cnt = extruder_ids.size();
extruder_ids.insert(item.extrude_ids.begin(), item.extrude_ids.end());
int new_extruder_cnt= extruder_ids.size();
if (!params.is_seq_print) {
score += 1 * std::max(0, ((int) extruder_ids.size() - 1));
score += 1 * (new_extruder_cnt-last_extruder_cnt);
}
return std::make_tuple(score, fullbb);