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Bugfix: sparse and wrong infill was generated for objects with null fill density. Also fixed a division by zero.

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This commit is contained in:
Alessandro Ranellucci 2011-11-27 10:12:44 +01:00
parent 22551b64de
commit 4cdd0f6fd0
4 changed files with 30 additions and 12 deletions
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27
lib/Slic3r/Layer.pm
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@ -311,17 +311,28 @@ sub remove_small_surfaces {
my $self = shift;
my @good_surfaces = ();
my $surface_count = scalar @{$self->surfaces};
foreach my $surface (@{$self->surfaces}) {
next if !$surface->contour->is_printable;
@{$surface->holes} = grep $_->is_printable, @{$surface->holes};
push @good_surfaces, $surface;
my $distance = ($Slic3r::flow_width / 2 / $Slic3r::resolution);
my @surfaces = @{$self->surfaces};
@{$self->surfaces} = ();
foreach my $surface (@surfaces) {
# offset inwards
my @offsets = $surface->expolygon->offset_ex(-$distance);
# offset the results outwards again and merge the results
@offsets = map $_->offset_ex($distance), @offsets;
@offsets = @{ union_ex([ map @$_, @offsets ]) };
# the difference between $surface->expolygon and @offsets
# is what we can't print since it's too small
push @{$self->surfaces}, map Slic3r::Surface->cast_from_expolygon($_,
surface_type => $surface->surface_type), @offsets;
}
@{$self->surfaces} = @good_surfaces;
Slic3r::debugf "removed %d small surfaces at layer %d\n",
($surface_count - @good_surfaces), $self->id
if @good_surfaces != $surface_count;
(@surfaces - @{$self->surfaces}), $self->id
if @{$self->surfaces} != @surfaces;
}
sub remove_small_perimeters {