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Limit only_retract_when_crossing_perimeters to travel moves that are completely enclosed in the upper layer's slices so that we avoid visible traces on top layers. #1091

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Alessandro Ranellucci 2013-06-03 12:25:32 +02:00
parent 7134df4638
commit 81bae56e92
2 changed files with 8 additions and 2 deletions
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4
lib/Slic3r/GCode.pm
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@ -283,7 +283,7 @@ sub travel_to {
$travel->translate(-$self->shift_x, -$self->shift_y);
if ($travel->length < scale $self->extruder->retract_before_travel
|| ($self->config->only_retract_when_crossing_perimeters && first { $_->encloses_line($travel, scaled_epsilon) } @{$self->layer->slices})
|| ($self->config->only_retract_when_crossing_perimeters && first { $_->encloses_line($travel, scaled_epsilon) } @{$self->layer->upper_layer_slices})
|| ($role == EXTR_ROLE_SUPPORTMATERIAL && $self->layer->support_islands_enclose_line($travel))
) {
$self->straight_once(0);
@ -326,7 +326,7 @@ sub _plan {
my $need_retract = !$self->config->only_retract_when_crossing_perimeters;
if (!$need_retract) {
$need_retract = 1;
foreach my $slice (@{$self->layer->slices}) {
foreach my $slice (@{$self->layer->upper_layer_slices}) {
# discard the island if at any line is not enclosed in it
next if first { !$slice->encloses_line($_, scaled_epsilon) } @travel;
# okay, this island encloses the full travel path