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Fixed regression causing objects to be 0.1mm larger. #495 #507

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This commit is contained in:
Alessandro Ranellucci 2012-07-03 20:32:46 +02:00
parent 35ecd65e77
commit 566a0456ca
1 changed files with 3 additions and 2 deletions
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5
lib/Slic3r/Layer.pm
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@ -136,9 +136,10 @@ sub make_surfaces {
my $self = shift;
my ($loops) = @_;
my $safety_offset = scale 0.1;
{
# merge everything
my $expolygons = union_ex(safety_offset($loops, scale 0.1));
my $expolygons = union_ex(safety_offset($loops, $safety_offset));
Slic3r::debugf " %d surface(s) having %d holes detected from %d polylines\n",
scalar(@$expolygons), scalar(map $_->holes, @$expolygons), scalar(@$loops);
@ -157,7 +158,7 @@ sub make_surfaces {
push @{$self->slices}, map Slic3r::Surface->new
(expolygon => $_, surface_type => S_TYPE_INTERNAL),
map $_->offset_ex(+$distance),
$surface->expolygon->offset_ex(-2*$distance);
$surface->expolygon->offset_ex(-2*$distance - $safety_offset);
}
# now detect thin walls by re-outgrowing offsetted surfaces and subtracting