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use remove_coinciding_points before convex_hull

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convex_hull returns polygons with sharp concaves sometimes when
duplicate points are present
This commit is contained in:
Mike Sheldrake 2012-09-27 06:47:38 -07:00
parent 02b11fb49a
commit 4b91496edd
2 changed files with 5 additions and 2 deletions
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3
lib/Slic3r/GUI/Plater.pm
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@ -999,7 +999,7 @@ package Slic3r::GUI::Plater::Object;
use Moo;
use Math::ConvexHull qw(convex_hull);
use Slic3r::Geometry qw(X Y);
use Slic3r::Geometry qw(X Y remove_coinciding_points);
has 'name' => (is => 'rw', required => 1);
has 'input_file' => (is => 'rw', required => 1);
@ -1034,6 +1034,7 @@ sub make_thumbnail {
my %params = @_;
my @points = map [ @$_[X,Y] ], @{$self->mesh->vertices};
remove_coinciding_points(\@points);
my $convex_hull = Slic3r::Polygon->new(convex_hull(\@points));
for (@$convex_hull) {
@$_ = map $_ * $params{scaling_factor}, @$_;