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More unit tests for bridge angle detection

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This commit is contained in:
Alessandro Ranellucci 2014-04-08 15:18:37 +02:00
parent 9be57f750d
commit 38f6e3b643
3 changed files with 63 additions and 16 deletions
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10
lib/Slic3r/Layer/BridgeDetector.pm
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@ -5,9 +5,9 @@ use List::Util qw(first sum);
use Slic3r::Geometry qw(PI scaled_epsilon rad2deg epsilon);
use Slic3r::Geometry::Clipper qw(intersection_pl intersection_ex);
has 'lower_slices' => (is => 'ro', required => 1); # ExPolygons or ExPolygonCollection
has 'perimeter_flow' => (is => 'ro', required => 1);
has 'infill_flow' => (is => 'ro', required => 1);
has 'lower_slices' => (is => 'rw', required => 1); # ExPolygons or ExPolygonCollection
has 'perimeter_flow' => (is => 'rw', required => 1);
has 'infill_flow' => (is => 'rw', required => 1);
sub detect_angle {
my ($self, $expolygon) = @_;
@ -30,7 +30,7 @@ sub detect_angle {
if (0) {
require "Slic3r/SVG.pm";
Slic3r::SVG::output("bridge_$expolygon.svg",
Slic3r::SVG::output("bridge.svg",
expolygons => [ $expolygon ],
red_expolygons => [ @lower ],
polylines => [ @edges ],
@ -42,7 +42,7 @@ sub detect_angle {
my @midpoints = map $_->midpoint, @chords;
my $line_between_midpoints = Slic3r::Line->new(@midpoints);
$bridge_angle = $line_between_midpoints->direction;
} elsif (@edges == 1 && $edges[0][0]->coincides_with($edges[0][-1])) {
} elsif (@edges == 1 && !$edges[0][0]->coincides_with($edges[0][-1])) {
# Don't use this logic if $edges[0] is actually a closed loop
# TODO: this case includes both U-shaped bridges and plain overhangs;
# we need a trapezoidation algorithm to detect the actual bridged area