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Add option to "Reverse only internal perimeters" under the reverse on odd feature to reduce part warping (#2722)

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Ioannis Giannakas 2023-11-19 11:02:47 +00:00 • committed by GitHub
parent e9f519d092
commit cd475f0f94
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7 changed files with 100 additions and 71 deletions
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19
src/libslic3r/PerimeterGenerator.cpp
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@ -1404,7 +1404,7 @@ void PerimeterGenerator::apply_extra_perimeters(ExPolygons &infill_area)
}
// Reorient loop direction
static void reorient_perimeters(ExtrusionEntityCollection &entities, bool steep_overhang_contour, bool steep_overhang_hole)
static void reorient_perimeters(ExtrusionEntityCollection &entities, bool steep_overhang_contour, bool steep_overhang_hole, bool reverse_internal_only)
{
if (steep_overhang_hole || steep_overhang_contour) {
for (auto entity : entities) {
@ -1412,7 +1412,18 @@ static void reorient_perimeters(ExtrusionEntityCollection &entities, bool steep_
ExtrusionLoop *eloop = static_cast<ExtrusionLoop *>(entity);
// Only reverse when needed
bool need_reverse = ((eloop->loop_role() & elrHole) == elrHole) ? steep_overhang_hole : steep_overhang_contour;
if (need_reverse) {
bool isExternal = false;
if(reverse_internal_only){
for(auto path : eloop->paths){
if(path.role() == erExternalPerimeter){
isExternal = true;
break;
}
}
}
if (need_reverse && !isExternal) {
eloop->make_clockwise();
}
}
@ -1710,7 +1721,7 @@ void PerimeterGenerator::process_classic()
bool steep_overhang_contour = false;
bool steep_overhang_hole = false;
ExtrusionEntityCollection entities = traverse_loops(*this, contours.front(), thin_walls, steep_overhang_contour, steep_overhang_hole);
reorient_perimeters(entities, steep_overhang_contour, steep_overhang_hole);
reorient_perimeters(entities, steep_overhang_contour, steep_overhang_hole, this->config->overhang_reverse_internal_only);
// if brim will be printed, reverse the order of perimeters so that
// we continue inwards after having finished the brim
@ -2232,7 +2243,7 @@ void PerimeterGenerator::process_arachne()
bool steep_overhang_contour = false;
bool steep_overhang_hole = false;
if (ExtrusionEntityCollection extrusion_coll = traverse_extrusions(*this, ordered_extrusions, steep_overhang_contour, steep_overhang_hole); !extrusion_coll.empty()) {
reorient_perimeters(extrusion_coll, steep_overhang_contour, steep_overhang_hole);
reorient_perimeters(extrusion_coll, steep_overhang_contour, steep_overhang_hole, this->config->overhang_reverse_internal_only);
this->loops->append(extrusion_coll);
}