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Prevent superfluous extra perimeters added when a region has an acute angle

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Alessandro Ranellucci
2013-09-17 20:18:54 +02:00
parent 06fc1d1044
commit ea0e136b45
3 changed files with 41 additions and 2 deletions
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5
lib/Slic3r/Print/Object.pm
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@@ -259,9 +259,12 @@ sub make_perimeters {
next if !@$diff;
# if we need more perimeters, $diff should contain a narrow region that we can collapse
# we use a higher miterLimit here to handle areas with acute angles
# in those cases, the default miterLimit would cut the corner and we'd
# get a triangle that would trigger a non-needed extra perimeter
$diff = diff(
$diff,
offset2($diff, -$perimeter_spacing, +$perimeter_spacing),
offset2($diff, -$perimeter_spacing, +$perimeter_spacing, CLIPPER_OFFSET_SCALE, JT_MITER, 5),
1,
);
next if !@$diff;