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Bugfix: when using low layer heights and support material, the contact regions were generated with a negative height. #1013

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Alessandro Ranellucci 2013-02-23 17:40:38 +01:00
parent 3eedd4bbed
commit 504962712b
3 changed files with 42 additions and 18 deletions
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11
lib/Slic3r/Layer.pm
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@ -64,7 +64,16 @@ sub support_material_contact_height {
# TODO: check what upper region applies instead of considering the first one
my $upper_layer = $self->object->layers->[ $self->id + 1 ] // $self;
return 2*$self->height - $upper_layer->regions->[0]->infill_flow->bridge_width;
my $h = ($self->height + $upper_layer->height) - $upper_layer->regions->[0]->infill_flow->bridge_width;
# If layer height is less than half the bridge width then we'll get a negative height for contact area.
# The optimal solution would be to skip some layers during support material generation, but for now
# we'll apply a (dirty) workaround that should still work.
if ($h <= 0) {
$h = $self->height;
}
return $h;
}
# Z used for printing support material contact in scaled coordinates