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FIX: the brim cannot generated on left/right only printable area

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jira: none
Change-Id: If1a46773cdbd66ea3ab8484dc5d58ce5bbd3ded2
(cherry picked from commit f127f95335056035f6967b0dff6532d12fe6d316)
This commit is contained in:
zhimin.zeng
2024-12-21 21:55:38 +08:00
committed by Noisyfox
parent bdf5cc9063
commit a7c90b8dfe
4 changed files with 57 additions and 32 deletions
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37
src/libslic3r/Brim.cpp
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@@ -910,9 +910,6 @@ static ExPolygons outer_inner_brim_area(const Print& print,
brimToWrite.insert({ objectWithExtruder.first, {true,true} });
ExPolygons objectIslands;
auto bedPoly = Model::getBedPolygon();
auto bedExPoly = diff_ex((offset(bedPoly, scale_(30.), jtRound, SCALED_RESOLUTION)), { bedPoly });
for (unsigned int extruderNo : printExtruders) {
++extruderNo;
for (const auto& objectWithExtruder : objPrintVec) {
@@ -1096,17 +1093,39 @@ static ExPolygons outer_inner_brim_area(const Print& print,
}
}
}
if (!bedExPoly.empty()){
no_brim_area.push_back(bedExPoly.front());
int extruder_nums = print.config().nozzle_diameter.values.size();
std::vector<Polygons> extruder_unprintable_area;
if (extruder_nums == 1)
extruder_unprintable_area.emplace_back(Polygons{Model::getBedPolygon()});
else {
extruder_unprintable_area = print.get_extruder_printable_polygons();
}
std::vector<int> filament_map = print.get_filament_maps();
for (const PrintObject* object : print.objects()) {
if (brimAreaMap.find(object->id()) != brimAreaMap.end())
{
brimAreaMap[object->id()] = diff_ex(brimAreaMap[object->id()], no_brim_area);
ExPolygons extruder_no_brim_area = no_brim_area;
auto iter = std::find_if(objPrintVec.begin(), objPrintVec.end(), [object](const std::pair<ObjectID, unsigned int>& item) {
return item.first == object->id();
});
if (iter != objPrintVec.end()) {
int extruder_id = filament_map[iter->second - 1] - 1;
auto bedPoly = extruder_unprintable_area[extruder_id];
auto bedExPoly = diff_ex((offset(bedPoly, scale_(30.), jtRound, SCALED_RESOLUTION)), {bedPoly});
if (!bedExPoly.empty()) {
extruder_no_brim_area.push_back(bedExPoly.front());
}
//extruder_no_brim_area = offset2_ex(extruder_no_brim_area, scaled_flow_width, -scaled_flow_width); // connect scattered small areas to prevent generating very small brims
}
if (brimAreaMap.find(object->id()) != brimAreaMap.end()) {
brimAreaMap[object->id()] = diff_ex(brimAreaMap[object->id()], extruder_no_brim_area);
}
if (supportBrimAreaMap.find(object->id()) != supportBrimAreaMap.end())
supportBrimAreaMap[object->id()] = diff_ex(supportBrimAreaMap[object->id()], no_brim_area);
supportBrimAreaMap[object->id()] = diff_ex(supportBrimAreaMap[object->id()], extruder_no_brim_area);
}
brim_area.clear();