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Bugfix: medial axis missed some segments. #2144

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This commit is contained in:
Alessandro Ranellucci 2014-08-03 15:03:11 +02:00
parent e897fbbd51
commit 30fa055995
6 changed files with 48 additions and 8 deletions
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21
t/angles.t
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@ -2,7 +2,7 @@ use Test::More;
use strict;
use warnings;
plan tests => 26;
plan tests => 34;
BEGIN {
use FindBin;
@ -28,6 +28,20 @@ use Slic3r::Geometry qw(rad2deg_dir angle3points PI);
#==========================================================
{
is line_orientation([ [0, 0], [10, 0] ]), (0), 'E orientation';
is line_orientation([ [0, 0], [0, 10] ]), (PI/2), 'N orientation';
is line_orientation([ [10, 0], [0, 0] ]), (PI), 'W orientation';
is line_orientation([ [0, 10], [0, 0] ]), (PI*3/2), 'S orientation';
is line_orientation([ [0, 0], [10, 10] ]), (PI*1/4), 'NE orientation';
is line_orientation([ [10, 0], [0, 10] ]), (PI*3/4), 'NW orientation';
is line_orientation([ [10, 10], [0, 0] ]), (PI*5/4), 'SW orientation';
is line_orientation([ [0, 10], [10, 0] ]), (PI*7/4), 'SE orientation';
}
#==========================================================
{
is line_direction([ [0, 0], [10, 0] ]), (0), 'E direction';
is line_direction([ [10, 0], [0, 0] ]), (0), 'W direction';
@ -67,6 +81,11 @@ sub line_atan {
return Slic3r::Line->new(@$l)->atan2_;
}
sub line_orientation {
my ($l) = @_;
return Slic3r::Line->new(@$l)->orientation;
}
sub line_direction {
my ($l) = @_;
return Slic3r::Line->new(@$l)->direction;

16
t/thin.t
View file

@ -1,4 +1,4 @@
use Test::More tests => 13;
use Test::More tests => 14;
use strict;
use warnings;
@ -8,7 +8,7 @@ BEGIN {
}
use Slic3r;
use List::Util qw(first);
use List::Util qw(first sum);
use Slic3r::Geometry qw(epsilon scale unscale scaled_epsilon Y);
use Slic3r::Test;
@ -121,4 +121,16 @@ if (0) {
ok $len > 80*2 && $len < 100*2, 'medial axis has reasonable length';
}
{
my $expolygon = Slic3r::ExPolygon->new(Slic3r::Polygon->new(
[-203064906,-51459966],[-219312231,-51459966],[-219335477,-51459962],[-219376095,-51459962],[-219412047,-51459966],
[-219572094,-51459966],[-219624814,-51459962],[-219642183,-51459962],[-219656665,-51459966],[-220815482,-51459966],
[-220815482,-37738966],[-221117540,-37738966],[-221117540,-51762024],[-203064906,-51762024],
));
my $polylines = $expolygon->medial_axis(819998, 102499.75);
my $perimeter = $expolygon->contour->split_at_first_point->length;
ok sum(map $_->length, @$polylines) > $perimeter/2/4*3, 'medial axis has a reasonable length';
}
__END__