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Better logic for extra perimeters

internal-support
Alessandro Ranellucci 2013-02-26 20:00:05 +01:00
parent 038737abe6
commit f4e8cdbf36
1 changed files with 6 additions and 2 deletions
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8
lib/Slic3r/Print/Object.pm
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@ -1,7 +1,7 @@
package Slic3r::Print::Object;
use Moo;
use List::Util qw(min);
use List::Util qw(min sum);
use Slic3r::ExtrusionPath ':roles';
use Slic3r::Geometry qw(Z PI scale unscale deg2rad rad2deg scaled_epsilon);
use Slic3r::Geometry::Clipper qw(diff_ex intersection_ex union_ex);
@ -237,8 +237,12 @@ sub make_perimeters {
}
last CYCLE if !@$hypothetical_perimeter;
# compute the area of the hypothetical perimeter
my $hp_area = sum(map $_->area, @$hypothetical_perimeter);
# only add the perimeter if the intersection is at least 20%, otherwise we'd get no benefit
my $intersection = intersection_ex([ map @$_, @$upper ], [ map @$_, @$hypothetical_perimeter ]);
last CYCLE if !@{ $intersection };
last CYCLE if (sum(map $_->area, @{ $intersection }) // 0) < $hp_area * 0.2;
Slic3r::debugf " adding one more perimeter at layer %d\n", $layer_id;
$slice->additional_inner_perimeters(($slice->additional_inner_perimeters || 0) + 1);
$hypothetical_perimeter_num++;