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Rewritten half-edge traversal in a more robust way. Includes first medial axis unit test

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This commit is contained in:
Alessandro Ranellucci 2014-03-03 01:48:05 +01:00
parent eadffe4a9e
commit b49a652736
4 changed files with 82 additions and 71 deletions
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25
t/thin.t
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@ -1,4 +1,4 @@
use Test::More tests => 1;
use Test::More tests => 3;
use strict;
use warnings;
@ -9,7 +9,7 @@ BEGIN {
use Slic3r;
use List::Util qw(first);
use Slic3r::Geometry qw(epsilon);
use Slic3r::Geometry qw(epsilon scale);
use Slic3r::Test;
{
@ -45,4 +45,25 @@ use Slic3r::Test;
'no superfluous thin walls are generated for toothed profile';
}
my $square = Slic3r::Polygon->new_scale( # ccw
[100, 100],
[200, 100],
[200, 200],
[100, 200],
);
my $hole_in_square = Slic3r::Polygon->new_scale( # cw
[140, 140],
[140, 160],
[160, 160],
[160, 140],
);
{
my $expolygon = Slic3r::ExPolygon->new($square, $hole_in_square);
my $res = $expolygon->medial_axis(scale 10);
is scalar(@$res), 1, 'medial axis of a square shape is a single closed loop';
ok $res->[0]->length > $hole_in_square->length && $res->[0]->length < $square->length,
'medial axis loop has reasonable length';
}
__END__