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Don't put supports under bridges and potential bridges

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This commit is contained in:
Alessandro Ranellucci 2014-04-26 17:19:50 +02:00
parent 129b6651f6
commit ce9cf4d964
7 changed files with 84 additions and 9 deletions
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35
lib/Slic3r/Print/SupportMaterial.pm
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@ -158,13 +158,34 @@ sub contact_area {
# Void $diff means that there's no upper perimeter whose centerline is
# outside the lower slice boundary, thus no overhang
}
# remove bridged areas
$diff = diff(
$diff,
[ map @$_, @{$layerm->bridged} ],
1,
);
if ($self->object_config->dont_support_bridges) {
if (1) {
# remove the entire bridges and only support the unsupported edges
my @bridges = map $_->expolygon,
grep $_->bridge_angle != -1,
@{$layerm->fill_surfaces->filter_by_type(S_TYPE_BOTTOMBRIDGE)};
$diff = diff(
$diff,
[ map @$_, @bridges ],
1,
);
push @$diff, @{intersection(
[ map @{$_->grow(+scale MARGIN)}, @{$layerm->unsupported_bridge_edges} ],
[ map @$_, @bridges ],
)}
} else {
# just remove bridged areas
$diff = diff(
$diff,
[ map @$_, @{$layerm->bridged} ],
1,
);
}
}
next if !@$diff;
push @overhang, @$diff; # NOTE: this is not the full overhang as it misses the outermost half of the perimeter width!