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Avoid potential fatal error when processing models with empty layers. #1127

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Alessandro Ranellucci 2013-06-02 19:49:21 +02:00
parent 8a01cb9e96
commit 6bb2e593a7
1 changed files with 2 additions and 1 deletions
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3
lib/Slic3r/GCode/Layer.pm
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@ -119,7 +119,8 @@ sub process_layer {
my @islands = ();
if ($Slic3r::Config->avoid_crossing_perimeters) {
push @islands, map +{ perimeters => [], fills => [] }, @{$layer->slices};
push @islands, { perimeters => [], fills => [] }
for 1 .. (@{$layer->slices} || 1); # make sure we have at least one island hash to avoid failure of the -1 subscript below
PERIMETER: foreach my $perimeter (@{$layerm->perimeters}) {
my $p = $perimeter->unpack;
for my $i (0 .. $#{$layer->slices}-1) {