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Apply a true double-ended nearest-neightbor search to thin fills in order to minimize travel moves between them. #2213

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This commit is contained in:
Alessandro Ranellucci 2014-12-20 22:40:43 +01:00
parent 79ac29b435
commit 795c85d30e
2 changed files with 24 additions and 27 deletions
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44
lib/Slic3r/Print/GCode.pm
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@ -417,24 +417,26 @@ sub process_layer {
}
# process infill
{
foreach my $fill (@{$layerm->fills}) {
# init by_extruder item only if we actually use the extruder
my $extruder_id = $fill->[0]->is_solid_infill
? $region->config->solid_infill_extruder-1
: $region->config->infill_extruder-1;
$by_extruder{$extruder_id} //= [];
# $fill is an ExtrusionPath::Collection object
for my $i (0 .. $#{$layer->slices}) {
if ($i == $#{$layer->slices}
|| $layer->slices->[$i]->contour->contains_point($fill->first_point)) {
$by_extruder{$extruder_id}[$i] //= { infill => {} };
$by_extruder{$extruder_id}[$i]{infill}{$region_id} //= [];
push @{ $by_extruder{$extruder_id}[$i]{infill}{$region_id} }, $fill;
last;
}
# $layerm->fills is a collection of ExtrusionPath::Collection objects, each one containing
# the ExtrusionPath objects of a certain infill "group" (also called "surface"
# throughout the code). We can redefine the order of such Collections but we have to
# do each one completely at once.
foreach my $fill (@{$layerm->fills}) {
# init by_extruder item only if we actually use the extruder
my $extruder_id = $fill->[0]->is_solid_infill
? $region->config->solid_infill_extruder-1
: $region->config->infill_extruder-1;
$by_extruder{$extruder_id} //= [];
# $fill is an ExtrusionPath::Collection object
for my $i (0 .. $#{$layer->slices}) {
if ($i == $#{$layer->slices}
|| $layer->slices->[$i]->contour->contains_point($fill->first_point)) {
$by_extruder{$extruder_id}[$i] //= { infill => {} };
$by_extruder{$extruder_id}[$i]{infill}{$region_id} //= [];
push @{ $by_extruder{$extruder_id}[$i]{infill}{$region_id} }, $fill;
last;
}
}
}
@ -479,7 +481,7 @@ sub process_layer {
$layer->object->ptr . ref($layer), # differentiate $obj_id between normal layers and support layers
$layer->id,
$layer->print_z,
) if defined $self->_cooling_buffer && defined $layer;
) if defined $self->_cooling_buffer;
print {$self->fh} $self->filter($gcode);
}
@ -502,7 +504,9 @@ sub _extrude_infill {
my $gcode = "";
foreach my $region_id (sort keys %$entities_by_region) {
$self->_gcodegen->config->apply_region_config($self->print->get_region($region_id)->config);
for my $fill (@{ $entities_by_region->{$region_id} }) {
my $collection = Slic3r::ExtrusionPath::Collection->new(@{ $entities_by_region->{$region_id} });
for my $fill (@{$collection->chained_path_from($self->_gcodegen->last_pos, 0)}) {
if ($fill->isa('Slic3r::ExtrusionPath::Collection')) {
$gcode .= $self->_gcodegen->extrude($_, 'infill')
for @{$fill->chained_path_from($self->_gcodegen->last_pos, 0)};