Use Clipper for line clipping

This commit is contained in:
Alessandro Ranellucci 2013-11-21 14:15:38 +01:00
parent 1d6a18071a
commit 3025c77675
20 changed files with 202 additions and 211 deletions

View file

@ -14,7 +14,7 @@ has '_tolerance' => (is => 'lazy');
use List::Util qw(first);
use Slic3r::Geometry qw(A B scale epsilon);
use Slic3r::Geometry::Clipper qw(diff_ex offset);
use Slic3r::Geometry::Clipper qw(diff_ex offset intersection_pl);
# clearance (in mm) from the perimeters
has '_inner_margin' => (is => 'ro', default => sub { scale 0.5 });
@ -91,7 +91,7 @@ sub BUILD {
for my $m (0 .. $#{$outer[$i]}) {
for my $n (0 .. $#{$outer[$j]}) {
my $line = Slic3r::Line->new($outer[$i][$m], $outer[$j][$n]);
if (!@{Boost::Geometry::Utils::multi_polygon_multi_linestring_intersection([ map $_->pp, @outer_ex ], [$line->pp])}) {
if (!@{intersection_pl([$line->as_polyline], [ map @$_, @outer_ex ])}) {
# this line does not cross any polygon
my $dist = $line->length;
$edges->{$outer[$i][$m]}{$outer[$j][$n]} = $dist;
@ -112,7 +112,7 @@ sub BUILD {
for my $m (0 .. $#{$inner[$i]}) {
for my $n (0 .. $#{$inner[$j]}) {
my $line = Slic3r::Line->new($inner[$i][$m], $inner[$j][$n]);
if (!@{Boost::Geometry::Utils::multi_polygon_multi_linestring_intersection([ map $_->pp, @inner_ex ], [$line->pp])}) {
if (!@{intersection_pl([$line->as_polyline], [ map @$_, @inner_ex ])}) {
# this line does not cross any polygon
my $dist = $line->length * CROSSING_FACTOR;
$edges->{$inner[$i][$m]}{$inner[$j][$n]} = $dist;