Bugfix: medial axis code threw fatal errors sometimes

2011-12-30 18:58:27 +01:00 · 2011-12-30 18:58:27 +01:00 · 2def6a9787
commit 2def6a9787
parent 4b2bd7f779
1 changed files with 1 additions and 0 deletions
--- a/lib/Slic3r/ExPolygon.pm
+++ b/lib/Slic3r/ExPolygon.pm
@ -201,6 +201,7 @@ sub medial_axis {
            $pointmap{$_->[A]} >= 2 && $pointmap{$_->[B]} >= 2
        } @skeleton_lines;
    }
+    return undef if !@skeleton_lines;
    
    # now build a single polyline
    my $polyline = [];