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New algorithm for overhang detection

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Alessandro Ranellucci 2013-06-20 20:11:46 +02:00
parent 015580629b
commit 7e875393f5
3 changed files with 65 additions and 42 deletions
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9
lib/Slic3r/Layer/Region.pm
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@ -267,15 +267,6 @@ sub make_perimeters {
$role = EXTR_ROLE_CONTOUR_INTERNAL_PERIMETER;
}
if ($self->id > 0) {
# A perimeter is considered overhang if its centerline exceeds the lower layer slices
my $is_overhang = $is_contour
? @{diff([$polygon], \@lower_slices)}
: !@{intersection([$polygon], \@lower_slices)};
$role = EXTR_ROLE_OVERHANG_PERIMETER if $is_overhang;
}
push @loops, Slic3r::ExtrusionLoop->pack(
polygon => $polygon,
role => $role,