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Proper fix for preventing shells to propagate too much

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Alessandro Ranellucci 2013-07-27 19:41:36 +02:00
parent 6bd4803612
commit 25af3eb35f
2 changed files with 18 additions and 6 deletions
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9
lib/Slic3r/Print/Object.pm
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@ -603,7 +603,14 @@ sub discover_horizontal_shells {
# find intersection between neighbor and current layer's surfaces
# intersections have contours and holes
my $new_internal_solid = intersection_ex(
# we update $solid so that we limit the next neighbor layer to the areas that were
# found on this one - in other words, solid shells on one layer (for a given external surface)
# are always a subset of the shells found on the previous shell layer
# this approach allows for DWIM in hollow sloping vases, where we want bottom
# shells to be generated in the base but not in the walls (where there are many
# narrow bottom surfaces): reassigning $solid will consider the 'shadow' of the
# upper perimeter as an obstacle and shell will not be propagated to more upper layers
my $new_internal_solid = $solid = intersection_ex(
[ map @$_, @$solid ],
[ map $_->p, grep { $_->surface_type == S_TYPE_INTERNAL || $_->surface_type == S_TYPE_INTERNALSOLID } @neighbor_fill_surfaces ],
undef, 1,