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Exclude support from bridged areas

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This commit is contained in:
Alessandro Ranellucci 2014-04-26 16:07:43 +02:00
parent 7e3024d6ad
commit 148c773319
4 changed files with 33 additions and 4 deletions
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5
lib/Slic3r/Layer/BridgeDetector.pm
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@ -157,7 +157,7 @@ sub coverage {
my ($self, $angle) = @_;
if (!defined $angle) {
return [] if !defined($angle = $self->detect_angle);
return [] if !defined($angle = $self->angle);
}
# Clone our expolygon and rotate it so that we work with vertical lines.
@ -181,6 +181,9 @@ sub coverage {
my @polylines = map $_->as_polyline, @{$trapezoid->lines};
my @supported = @{intersection_pl(\@polylines, [map @$_, @$anchors])};
# not nice, we need a more robust non-numeric check
@supported = grep $_->length >= $self->extrusion_width, @supported;
if (@supported >= 2) {
push @covered, $trapezoid;
}

7
lib/Slic3r/Layer/Region.pm
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@ -30,6 +30,9 @@ has 'thin_fills' => (is => 'rw', default => sub { Slic3r::ExtrusionPath::Collect
# collection of surfaces for infill generation
has 'fill_surfaces' => (is => 'rw', default => sub { Slic3r::Surface::Collection->new });
# collection of expolygons representing the bridged areas (thus not needing support material)
has 'bridged' => (is => 'rw', default => sub { Slic3r::ExPolygon::Collection->new });
# ordered collection of extrusion paths/loops to build all perimeters
has 'perimeters' => (is => 'rw', default => sub { Slic3r::ExtrusionPath::Collection->new });
@ -412,6 +415,10 @@ sub process_external_surfaces {
);
Slic3r::debugf "Processing bridge at layer %d:\n", $self->id;
$angle = $bridge_detector->detect_angle;
if (defined $angle && $self->object->config->support_material) {
$self->bridged->append(@{ $bridge_detector->coverage($angle) });
}
}
push @bottom, map $surface->clone(expolygon => $_, bridge_angle => $angle), @$grown;