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Bugfix: perimeter/infill overlap was calculated regardless of the infill extrusion width. #994

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This commit is contained in:
Alessandro Ranellucci 2013-02-22 18:23:23 +01:00
parent bec2371604
commit 28638019ae
1 changed files with 8 additions and 7 deletions
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15
lib/Slic3r/Layer/Region.pm
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@ -165,6 +165,8 @@ sub _merge_loops {
sub make_perimeters {
my $self = shift;
my $perimeter_spacing = $self->perimeter_flow->scaled_spacing;
my $infill_spacing = $self->infill_flow->scaled_spacing;
my $gap_area_threshold = $self->perimeter_flow->scaled_width ** 2;
# this array will hold one arrayref per original surface (island);
@ -217,7 +219,6 @@ sub make_perimeters {
}
}
my $distance = $self->perimeter_flow->scaled_spacing;
my @gaps = ();
# generate perimeters inwards (loop 0 is the external one)
@ -232,8 +233,8 @@ sub make_perimeters {
foreach my $expolygon (@last_offsets) {
my @offsets = @{union_ex([
Slic3r::Geometry::Clipper::offset(
[Slic3r::Geometry::Clipper::offset($expolygon, -1.5*$distance)],
+0.5*$distance,
[Slic3r::Geometry::Clipper::offset($expolygon, -1.5*$perimeter_spacing)],
+0.5*$perimeter_spacing,
),
])};
push @new_offsets, @offsets;
@ -241,10 +242,10 @@ sub make_perimeters {
# where the above check collapses the expolygon, then there's no room for an inner loop
# and we can extract the gap for later processing
my $diff = diff_ex(
[ map @$_, $expolygon->offset_ex(-0.5*$distance) ],
[ map @$_, $expolygon->offset_ex(-0.5*$perimeter_spacing) ],
# +2 on the offset here makes sure that Clipper float truncation
# won't shrink the clip polygon to be smaller than intended.
[ Slic3r::Geometry::Clipper::offset([map @$_, @offsets], +0.5*$distance + 2) ],
[ Slic3r::Geometry::Clipper::offset([map @$_, @offsets], +0.5*$perimeter_spacing + 2) ],
);
push @gaps, grep $_->area >= $gap_area_threshold, @$diff;
}
@ -258,8 +259,8 @@ sub make_perimeters {
{
my @fill_boundaries = @{union_ex([
Slic3r::Geometry::Clipper::offset(
[Slic3r::Geometry::Clipper::offset([ map @$_, @last_offsets ], -1.5*$distance)],
+0.5*$distance,
[Slic3r::Geometry::Clipper::offset([ map @$_, @last_offsets ], -($perimeter_spacing/2 + $infill_spacing))],
+0.5*$infill_spacing,
),
])};
$_->simplify(&Slic3r::SCALED_RESOLUTION) for @fill_boundaries;