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Only apply perimeter/infill overlap to the endpoints of rectilinear infill (and do that in a more proper way)

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This commit is contained in:
Alessandro Ranellucci 2015-01-13 20:51:31 +01:00
parent 3ee0fc5b1c
commit 04aa240265
5 changed files with 19 additions and 6 deletions
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4
lib/Slic3r/Fill/Concentric.pm
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@ -26,9 +26,7 @@ sub fill_surface {
$self->spacing(unscale $distance);
}
# compensate the overlap which is good for rectilinear but harmful for concentric
# where the perimeter/infill spacing should be equal to any other loop spacing
my @loops = my @last = @{offset(\@$expolygon, -&Slic3r::INFILL_OVERLAP_OVER_SPACING * $min_spacing / 2)};
my @loops = my @last = map $_->clone, @$expolygon;
while (@last) {
push @loops, @last = @{offset2(\@last, -($distance + 0.5*$min_spacing), +0.5*$min_spacing)};
}

13
lib/Slic3r/Fill/Rectilinear.pm
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@ -54,10 +54,21 @@ sub fill_surface {
# the minimum offset for preventing edge lines from being clipped is scaled_epsilon;
# however we use a larger offset to support expolygons with slightly skewed sides and
# not perfectly straight
my @polylines = @{intersection_pl(\@vertical_lines, $expolygon->offset(scale 0.02))};
my @polylines = @{intersection_pl(\@vertical_lines, $expolygon->offset(+scale 0.02))};
my $extra = $self->_min_spacing * &Slic3r::INFILL_OVERLAP_OVER_SPACING;
foreach my $polyline (@polylines) {
my ($first_point, $last_point) = @$polyline[0,-1];
if ($first_point->y > $last_point->y) { #>
($first_point, $last_point) = ($last_point, $first_point);
}
$first_point->set_y($first_point->y - $extra); #--
$last_point->set_y($last_point->y + $extra); #++
}
# connect lines
unless ($params{dont_connect} || !@polylines) { # prevent calling leftmost_point() on empty collections
# offset the expolygon by max(min_spacing/2, extra)
my ($expolygon_off) = @{$expolygon->offset_ex($self->_min_spacing/2)};
my $collection = Slic3r::Polyline::Collection->new(@polylines);
@polylines = ();