3DPrinting/PrusaSlicer-NonPlainar
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Bugfix: some nearly-thin walls were discarded. #261

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Alessandro Ranellucci 2012-05-05 17:07:38 +02:00
parent edbdc5ec55
commit 8ba6405cc9
2 changed files with 6 additions and 5 deletions
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2
lib/Slic3r/ExPolygon.pm
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@ -215,8 +215,6 @@ sub medial_axis {
} }
return undef if !@skeleton_lines; return undef if !@skeleton_lines;
return undef if !@skeleton_lines;
# now build a single polyline # now build a single polyline
my $polyline = []; my $polyline = [];
{ {

9
lib/Slic3r/Polygon.pm
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@ -132,11 +132,14 @@ sub is_printable {
# try to get an inwards offset # try to get an inwards offset
# for a distance equal to half of the extrusion width; # for a distance equal to half of the extrusion width;
# if no offset is possible, then polyline is not printable # if no offset is possible, then polyline is not printable.
# we use flow_width here because this has to be consistent
# with the thin wall detection in Layer->make_surfaces,
# otherwise we could lose surfaces as that logic wouldn't
# detect them and we would be discarding them.
my $p = $self->clone; my $p = $self->clone;
$p->make_counter_clockwise; $p->make_counter_clockwise;
my $offsets = Math::Clipper::offset([$p], -(scale $Slic3r::flow_spacing / 2), $Slic3r::scaling_factor * 100000, JT_MITER, 2); return $p->offset(scale $Slic3r::flow_width / 2) ? 1 : 0;
return @$offsets ? 1 : 0;
} }
sub is_valid { sub is_valid {