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ENH: improve auto arranging with multi colors 

Improve sortfunc: single color objects first, then objects with more colors

jira: none
Change-Id: I06945d85206331121a26efd3ea8fcc575a183005
This commit is contained in:
Arthur 2024-01-08 10:24:41 +08:00 committed by Lane.Wei
parent 35836654ef
commit 249ee5b766
1 changed files with 10 additions and 3 deletions
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13
src/libslic3r/Arrange.cpp
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@ -674,8 +674,7 @@ protected:
bool first_object = extruder_ids.empty();
// the two objects (previously packed items and the current item) are considered having same color if either one's colors are a subset of the other
std::set<int> item_extruder_ids(item.extrude_ids.begin(), item.extrude_ids.end());
bool same_color_with_previous_items = std::includes(item_extruder_ids.begin(), item_extruder_ids.end(), extruder_ids.begin(), extruder_ids.end())
|| std::includes(extruder_ids.begin(), extruder_ids.end(), item_extruder_ids.begin(), item_extruder_ids.end());
bool same_color_with_previous_items = std::includes(extruder_ids.begin(), extruder_ids.end(), item_extruder_ids.begin(), item_extruder_ids.end());
if (!(first_object || same_color_with_previous_items)) score += LARGE_COST_TO_REJECT * 1.3;
}
// for layered printing, we want extruder change as few as possible
@ -811,7 +810,15 @@ public:
(i1.height != i2.height ? (i1.height < i2.height) : (i1.area() > i2.area()));
}
else {
return i1.bed_temp != i2.bed_temp ? (i1.bed_temp > i2.bed_temp) :
// single color objects first, then objects with more colors
if (i1.extrude_ids.size() != i2.extrude_ids.size()){
if (i1.extrude_ids.size() == 1 || i2.extrude_ids.size() == 1)
return i1.extrude_ids.size() == 1;
else
return i1.extrude_ids.size() > i2.extrude_ids.size();
}
else
return i1.bed_temp != i2.bed_temp ? (i1.bed_temp > i2.bed_temp) :
(i1.extrude_ids != i2.extrude_ids ? (i1.extrude_ids.front() < i2.extrude_ids.front()) : (i1.area() > i2.area()));
}
};