New --solid-infill-extruder option. Includes a refactoring of the strategy used to order layer extrusions according to their extruder and island; toolchanges and travel moves should be more optimized now. #618

This commit is contained in:
Alessandro Ranellucci 2014-12-17 00:34:00 +01:00
parent d9cffeca4a
commit e79aa2e81c
25 changed files with 186 additions and 95 deletions

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@ -353,6 +353,7 @@ The author of the Silk icon set is Mark James.
--perimeter-extruder
Extruder to use for perimeters (1+, default: 1)
--infill-extruder Extruder to use for infill (1+, default: 1)
--solid-infill-extruder Extruder to use for solid infill (1+, default: 1)
--support-material-extruder
Extruder to use for support material (1+, default: 1)
--support-material-interface-extruder

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@ -225,28 +225,32 @@ sub make_fill {
my $mm3_per_mm = $flow->mm3_per_mm;
# save into layer
push @fills, my $collection = Slic3r::ExtrusionPath::Collection->new;
$collection->no_sort($params->{no_sort});
{
my $role = $is_bridge ? EXTR_ROLE_BRIDGE
: $is_solid ? (($surface->surface_type == S_TYPE_TOP) ? EXTR_ROLE_TOPSOLIDFILL : EXTR_ROLE_SOLIDFILL)
: EXTR_ROLE_FILL;
my $extrusion_height = $is_bridge ? $flow->width : $h;
push @fills, my $collection = Slic3r::ExtrusionPath::Collection->new($role);
$collection->no_sort($params->{no_sort});
$collection->append(
map Slic3r::ExtrusionPath->new(
polyline => $_,
role => ($is_bridge
? EXTR_ROLE_BRIDGE
: $is_solid
? (($surface->surface_type == S_TYPE_TOP) ? EXTR_ROLE_TOPSOLIDFILL : EXTR_ROLE_SOLIDFILL)
: EXTR_ROLE_FILL),
role => $role,
mm3_per_mm => $mm3_per_mm,
width => $flow->width,
height => ($is_bridge ? $flow->width : $h),
height => $extrusion_height,
), @polylines,
);
}
push @fills_ordering_points, $polylines[0]->first_point;
}
# add thin fill regions
foreach my $thin_fill (@{$layerm->thin_fills}) {
push @fills, Slic3r::ExtrusionPath::Collection->new($thin_fill);
push @fills, Slic3r::ExtrusionPath::Collection->new($thin_fill->role, $thin_fill);
push @fills_ordering_points, $thin_fill->first_point;
}

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@ -256,10 +256,10 @@ sub _extrude_path {
$acceleration = $self->config->first_layer_acceleration;
} elsif ($self->config->perimeter_acceleration && $path->is_perimeter) {
$acceleration = $self->config->perimeter_acceleration;
} elsif ($self->config->infill_acceleration && $path->is_fill) {
$acceleration = $self->config->infill_acceleration;
} elsif ($self->config->bridge_acceleration && $path->is_bridge) {
$acceleration = $self->config->bridge_acceleration;
} elsif ($self->config->infill_acceleration && $path->is_infill) {
$acceleration = $self->config->infill_acceleration;
} else {
$acceleration = $self->config->default_acceleration;
}

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@ -454,7 +454,8 @@ sub build {
complete_objects extruder_clearance_radius extruder_clearance_height
gcode_comments output_filename_format
post_process
perimeter_extruder infill_extruder support_material_extruder support_material_interface_extruder
perimeter_extruder infill_extruder solid_infill_extruder
support_material_extruder support_material_interface_extruder
ooze_prevention standby_temperature_delta
interface_shells
extrusion_width first_layer_extrusion_width perimeter_extrusion_width
@ -648,6 +649,7 @@ sub build {
my $optgroup = $page->new_optgroup('Extruders');
$optgroup->append_single_option_line('perimeter_extruder');
$optgroup->append_single_option_line('infill_extruder');
$optgroup->append_single_option_line('solid_infill_extruder');
$optgroup->append_single_option_line('support_material_extruder');
$optgroup->append_single_option_line('support_material_interface_extruder');
}

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@ -246,7 +246,7 @@ sub make_perimeters {
my ($polynodes, $depth, $is_contour) = @_;
# convert all polynodes to ExtrusionLoop objects
my $collection = Slic3r::ExtrusionPath::Collection->new;
my $collection = Slic3r::ExtrusionPath::Collection->new(EXTR_ROLE_PERIMETER); # temporary collection
my @children = ();
foreach my $polynode (@$polynodes) {
my $polygon = ($polynode->{outer} // $polynode->{hole})->clone;
@ -303,7 +303,7 @@ sub make_perimeters {
# (clone because the collection gets DESTROY'ed)
# We allow polyline reversal because Clipper may have randomly
# reversed polylines during clipping.
my $collection = Slic3r::ExtrusionPath::Collection->new(@paths);
my $collection = Slic3r::ExtrusionPath::Collection->new(EXTR_ROLE_PERIMETER, @paths); # temporary collection
@paths = map $_->clone, @{$collection->chained_path(0)};
} else {
push @paths, Slic3r::ExtrusionPath->new(

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@ -380,54 +380,87 @@ sub process_layer {
}
}
# tweak region ordering to save toolchanges
my @region_ids = 0 .. ($self->print->region_count-1);
if ($self->_gcodegen->writer->multiple_extruders) {
my $last_extruder_id = $self->_gcodegen->writer->extruder->id;
my $best_region_id = first { $self->print->regions->[$_]->config->perimeter_extruder-1 == $last_extruder_id } @region_ids;
@region_ids = ($best_region_id, grep $_ != $best_region_id, @region_ids) if $best_region_id;
}
# We now define a strategy for building perimeters and fills. The separation
# between regions doesn't matter in terms of printing order, as we follow
# another logic instead:
# - we group all extrusions by extruder so that we minimize toolchanges
# - we start from the last used extruder
# - for each extruder, we group extrusions by island
# - for each island, we extrude perimeters first, unless user set the infill_first
# option
foreach my $region_id (@region_ids) {
# group extrusions by extruder and then by island
my %by_extruder = (); # extruder_id => [ { perimeters => \@perimeters, infill => \@infill } ]
foreach my $region_id (0..($self->print->region_count-1)) {
my $layerm = $layer->regions->[$region_id] or next;
my $region = $self->print->regions->[$region_id];
$self->_gcodegen->config->apply_region_config($region->config);
my $region = $self->print->get_region($region_id);
# group extrusions by island
my @perimeters_by_island = map [], 0..$#{$layer->slices}; # slice idx => @perimeters
my @infill_by_island = map [], 0..$#{$layer->slices}; # slice idx => @fills
# NOTE: we assume $layer->slices was already ordered with chained_path()!
PERIMETER: foreach my $perimeter (@{$layerm->perimeters}) {
for my $i (0 .. $#{$layer->slices}-1) {
if ($layer->slices->[$i]->contour->contains_point($perimeter->first_point)) {
push @{ $perimeters_by_island[$i] }, $perimeter;
next PERIMETER;
}
}
push @{ $perimeters_by_island[-1] }, $perimeter; # optimization
}
FILL: foreach my $fill (@{$layerm->fills}) {
for my $i (0 .. $#{$layer->slices}-1) {
if ($layer->slices->[$i]->contour->contains_point($fill->first_point)) {
push @{ $infill_by_island[$i] }, $fill;
next FILL;
}
}
push @{ $infill_by_island[-1] }, $fill; # optimization
}
# process perimeters
{
my $extruder_id = $region->config->perimeter_extruder-1;
foreach my $perimeter (@{$layerm->perimeters}) {
# init by_extruder item only if we actually use the extruder
$by_extruder{$extruder_id} //= [];
# $perimeter is an ExtrusionLoop or ExtrusionPath object
for my $i (0 .. $#{$layer->slices}) {
# give priority to infill if we were already using its extruder and it wouldn't
# be good for perimeters
if ($self->print->config->infill_first
|| ($self->_gcodegen->writer->multiple_extruders && $region->config->infill_extruder-1 == $self->_gcodegen->writer->extruder->id && $region->config->infill_extruder != $region->config->perimeter_extruder)) {
$gcode .= $self->_extrude_infill($infill_by_island[$i], $region);
$gcode .= $self->_extrude_perimeters($perimeters_by_island[$i], $region);
if ($i == $#{$layer->slices}
|| $layer->slices->[$i]->contour->contains_point($perimeter->first_point)) {
$by_extruder{$extruder_id}[$i] //= { perimeters => {} };
$by_extruder{$extruder_id}[$i]{perimeters}{$region_id} //= [];
push @{ $by_extruder{$extruder_id}[$i]{perimeters}{$region_id} }, $perimeter;
last;
}
}
}
}
# 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;
}
}
}
}
}
# tweak extruder ordering to save toolchanges
my @extruders = sort keys %by_extruder;
if (@extruders > 1) {
my $last_extruder_id = $self->_gcodegen->writer->extruder->id;
if (exists $by_extruder{$last_extruder_id}) {
@extruders = (
$last_extruder_id,
grep $_ != $last_extruder_id, @extruders,
);
}
}
foreach my $extruder_id (@extruders) {
$gcode .= $self->_gcodegen->set_extruder($extruder_id);
foreach my $island (@{ $by_extruder{$extruder_id} }) {
if ($self->print->config->infill_first) {
$gcode .= $self->_extrude_infill($island->{infill} // {});
$gcode .= $self->_extrude_perimeters($island->{perimeters} // {});
} else {
$gcode .= $self->_extrude_perimeters($perimeters_by_island[$i], $region);
$gcode .= $self->_extrude_infill($infill_by_island[$i], $region);
$gcode .= $self->_extrude_perimeters($island->{perimeters} // {});
$gcode .= $self->_extrude_infill($island->{infill} // {});
}
}
}
@ -452,31 +485,30 @@ sub process_layer {
}
sub _extrude_perimeters {
my $self = shift;
my ($island_perimeters, $region) = @_;
return "" if !@$island_perimeters;
my ($self, $entities_by_region) = @_;
my $gcode = "";
$gcode .= $self->_gcodegen->set_extruder($region->config->perimeter_extruder-1);
$gcode .= $self->_gcodegen->extrude($_, 'perimeter') for @$island_perimeters;
foreach my $region_id (sort keys %$entities_by_region) {
$self->_gcodegen->config->apply_region_config($self->print->get_region($region_id)->config);
$gcode .= $self->_gcodegen->extrude($_, 'perimeter')
for @{ $entities_by_region->{$region_id} };
}
return $gcode;
}
sub _extrude_infill {
my $self = shift;
my ($island_fills, $region) = @_;
return "" if !@$island_fills;
my ($self, $entities_by_region) = @_;
my $gcode = "";
$gcode .= $self->_gcodegen->set_extruder($region->config->infill_extruder-1);
for my $fill (@$island_fills) {
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} }) {
if ($fill->isa('Slic3r::ExtrusionPath::Collection')) {
$gcode .= $self->_gcodegen->extrude($_, 'fill')
$gcode .= $self->_gcodegen->extrude($_, 'infill')
for @{$fill->chained_path_from($self->_gcodegen->last_pos, 0)};
} else {
$gcode .= $self->_gcodegen->extrude($fill, 'fill') ;
$gcode .= $self->_gcodegen->extrude($fill, 'infill') ;
}
}
}
return $gcode;

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@ -1004,7 +1004,10 @@ sub combine_infill {
next unless $every > 1 && $region->config->fill_density > 0;
# limit the number of combined layers to the maximum height allowed by this regions' nozzle
my $nozzle_diameter = $self->print->config->get_at('nozzle_diameter', $region->config->infill_extruder-1);
my $nozzle_diameter = min(
$self->print->config->get_at('nozzle_diameter', $region->config->infill_extruder-1),
$self->print->config->get_at('nozzle_diameter', $region->config->solid_infill_extruder-1),
);
# define the combinations
my %combine = (); # layer_idx => number of additional combined lower layers

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@ -262,7 +262,7 @@ sub contact_area {
{
# get the average nozzle diameter used on this layer
my @nozzle_diameters = map $self->print_config->get_at('nozzle_diameter', $_),
map { $_->config->perimeter_extruder-1, $_->config->infill_extruder-1 }
map { $_->config->perimeter_extruder-1, $_->config->infill_extruder-1, $_->config->solid_infill_extruder-1 }
@{$layer->regions};
my $nozzle_diameter = sum(@nozzle_diameters)/@nozzle_diameters;

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@ -505,6 +505,7 @@ $j
--perimeter-extruder
Extruder to use for perimeters (1+, default: $config->{perimeter_extruder})
--infill-extruder Extruder to use for infill (1+, default: $config->{infill_extruder})
--solid-infill-extruder Extruder to use for solid infill (1+, default: $config->{solid_infill_extruder})
--support-material-extruder
Extruder to use for support material (1+, default: $config->{support_material_extruder})
--support-material-interface-extruder

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@ -146,6 +146,7 @@ sub scale_points (@) { map [scale $_->[X], scale $_->[Y]], @_ }
{
my $collection = Slic3r::ExtrusionPath::Collection->new(
EXTR_ROLE_PERIMETER,
map Slic3r::ExtrusionPath->new(polyline => $_, role => 0, mm3_per_mm => 1),
Slic3r::Polyline->new([0,15], [0,18], [0,20]),
Slic3r::Polyline->new([0,10], [0,8], [0,5]),
@ -158,6 +159,7 @@ sub scale_points (@) { map [scale $_->[X], scale $_->[Y]], @_ }
{
my $collection = Slic3r::ExtrusionPath::Collection->new(
EXTR_ROLE_PERIMETER,
map Slic3r::ExtrusionPath->new(polyline => $_, role => 0, mm3_per_mm => 1),
Slic3r::Polyline->new([15,0], [10,0], [4,0]),
Slic3r::Polyline->new([10,5], [15,5], [20,5]),

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@ -64,9 +64,9 @@ use overload
'fallback' => 1;
sub new {
my ($class, @paths) = @_;
my ($class, $type, @paths) = @_;
my $self = $class->_new;
my $self = $class->_new($type);
$self->append(@paths);
return $self;
}

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@ -76,9 +76,18 @@ ExtrusionPath::is_perimeter() const
}
bool
ExtrusionPath::is_fill() const
ExtrusionPath::is_infill() const
{
return this->role == erInternalInfill
return this->role == erBridgeInfill
|| this->role == erInternalInfill
|| this->role == erSolidInfill
|| this->role == erTopSolidInfill;
}
bool
ExtrusionPath::is_solid_infill() const
{
return this->role == erBridgeInfill
|| this->role == erSolidInfill
|| this->role == erTopSolidInfill;
}

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@ -64,7 +64,8 @@ class ExtrusionPath : public ExtrusionEntity
void simplify(double tolerance);
double length() const;
bool is_perimeter() const;
bool is_fill() const;
bool is_infill() const;
bool is_solid_infill() const;
bool is_bridge() const;
std::string gcode(Extruder* extruder, double e, double F,
double xofs, double yofs, std::string extrusion_axis,

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@ -5,7 +5,7 @@
namespace Slic3r {
ExtrusionEntityCollection::ExtrusionEntityCollection(const ExtrusionEntityCollection& collection)
: no_sort(collection.no_sort), orig_indices(collection.orig_indices)
: no_sort(collection.no_sort), role(collection.role), orig_indices(collection.orig_indices)
{
this->entities.reserve(collection.entities.size());
for (ExtrusionEntitiesPtr::const_iterator it = collection.entities.begin(); it != collection.entities.end(); ++it)
@ -23,6 +23,7 @@ void
ExtrusionEntityCollection::swap (ExtrusionEntityCollection &c)
{
std::swap(this->entities, c.entities);
std::swap(this->role, c.role);
std::swap(this->orig_indices, c.orig_indices);
std::swap(this->no_sort, c.no_sort);
}

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@ -13,7 +13,9 @@ class ExtrusionEntityCollection : public ExtrusionEntity
ExtrusionEntitiesPtr entities;
std::vector<size_t> orig_indices; // handy for XS
bool no_sort;
ExtrusionRole role;
ExtrusionEntityCollection(): no_sort(false) {};
ExtrusionEntityCollection(ExtrusionRole _role): no_sort(false), role(_role) {};
ExtrusionEntityCollection(const ExtrusionEntityCollection &collection);
ExtrusionEntityCollection& operator= (const ExtrusionEntityCollection &other);
void swap (ExtrusionEntityCollection &c);

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@ -46,9 +46,11 @@ class LayerRegion
PolylineCollection unsupported_bridge_edges;
// ordered collection of extrusion paths/loops to build all perimeters
// (this collection contains both ExtrusionPath and ExtrusionLoop objects)
ExtrusionEntityCollection perimeters;
// ordered collection of extrusion paths to fill surfaces
// (this collection contains only ExtrusionEntityCollection objects)
ExtrusionEntityCollection fills;
Flow flow(FlowRole role, bool bridge = false, double width = -1) const;

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@ -301,6 +301,7 @@ Print::extruders() const
FOREACH_REGION(this, region) {
extruders.insert((*region)->config.perimeter_extruder - 1);
extruders.insert((*region)->config.infill_extruder - 1);
extruders.insert((*region)->config.solid_infill_extruder - 1);
}
FOREACH_OBJECT(this, object) {
extruders.insert((*object)->config.support_material_extruder - 1);

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@ -694,6 +694,13 @@ PrintConfigDef::build_def() {
Options["solid_infill_below_area"].cli = "solid-infill-below-area=f";
Options["solid_infill_below_area"].min = 0;
Options["solid_infill_extruder"].type = coInt;
Options["solid_infill_extruder"].label = "Solid infill extruder";
Options["solid_infill_extruder"].category = "Extruders";
Options["solid_infill_extruder"].tooltip = "The extruder to use when printing solid infill.";
Options["solid_infill_extruder"].cli = "solid-infill-extruder=i";
Options["solid_infill_extruder"].min = 1;
Options["solid_infill_every_layers"].type = coInt;
Options["solid_infill_every_layers"].label = "Solid infill every";
Options["solid_infill_every_layers"].category = "Infill";

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@ -93,6 +93,10 @@ class DynamicPrintConfig : public DynamicConfig
this->option("support_material_interface_extruder", true)->setInt(extruder);
}
}
if (!this->has("solid_infill_extruder") && this->has("infill_extruder"))
this->option("solid_infill_extruder", true)->setInt(this->option("infill_extruder")->getInt());
if (this->has("spiral_vase") && this->opt<ConfigOptionBool>("spiral_vase", true)->value) {
{
// this should be actually done only on the spiral layers instead of all
@ -225,6 +229,7 @@ class PrintRegionConfig : public virtual StaticPrintConfig
ConfigOptionInt perimeters;
ConfigOptionFloatOrPercent small_perimeter_speed;
ConfigOptionFloat solid_infill_below_area;
ConfigOptionInt solid_infill_extruder;
ConfigOptionFloatOrPercent solid_infill_extrusion_width;
ConfigOptionInt solid_infill_every_layers;
ConfigOptionFloatOrPercent solid_infill_speed;
@ -259,6 +264,7 @@ class PrintRegionConfig : public virtual StaticPrintConfig
this->perimeter_extrusion_width.percent = false;
this->perimeter_speed.value = 30;
this->perimeters.value = 3;
this->solid_infill_extruder.value = 1;
this->small_perimeter_speed.value = 30;
this->small_perimeter_speed.percent = false;
this->solid_infill_below_area.value = 70;
@ -299,6 +305,7 @@ class PrintRegionConfig : public virtual StaticPrintConfig
if (opt_key == "perimeters") return &this->perimeters;
if (opt_key == "small_perimeter_speed") return &this->small_perimeter_speed;
if (opt_key == "solid_infill_below_area") return &this->solid_infill_below_area;
if (opt_key == "solid_infill_extruder") return &this->solid_infill_extruder;
if (opt_key == "solid_infill_extrusion_width") return &this->solid_infill_extrusion_width;
if (opt_key == "solid_infill_every_layers") return &this->solid_infill_every_layers;
if (opt_key == "solid_infill_speed") return &this->solid_infill_speed;

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@ -255,6 +255,7 @@ PrintObject::invalidate_state_by_config_options(const std::vector<t_config_optio
|| *opt_key == "top_solid_layers"
|| *opt_key == "solid_infill_below_area"
|| *opt_key == "infill_extruder"
|| *opt_key == "solid_infill_extruder"
|| *opt_key == "infill_extrusion_width") {
steps.insert(posPrepareInfill);
} else if (*opt_key == "external_fill_pattern"

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@ -53,8 +53,10 @@ PrintRegion::flow(FlowRole role, double layer_height, bool bridge, bool first_la
size_t extruder; // 1-based
if (role == frPerimeter || role == frExternalPerimeter) {
extruder = this->config.perimeter_extruder;
} else if (role == frInfill || role == frSolidInfill || role == frTopSolidInfill) {
} else if (role == frInfill) {
extruder = this->config.infill_extruder;
} else if (role == frSolidInfill || role == frTopSolidInfill) {
extruder = this->config.solid_infill_extruder;
} else {
CONFESS("Unknown role $role");
}

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@ -26,7 +26,10 @@ my $loop = Slic3r::ExtrusionLoop->new_from_paths(
),
);
my $collection = Slic3r::ExtrusionPath::Collection->new($path);
my $collection = Slic3r::ExtrusionPath::Collection->new(
Slic3r::ExtrusionPath::EXTR_ROLE_FILL,
$path,
);
isa_ok $collection, 'Slic3r::ExtrusionPath::Collection', 'collection object with items in constructor';
ok !$collection->no_sort, 'no_sort is false by default';
@ -55,6 +58,7 @@ is scalar(@{$collection->[1]}), 1, 'appended collection was duplicated';
{
my $collection = Slic3r::ExtrusionPath::Collection->new(
Slic3r::ExtrusionPath::EXTR_ROLE_FILL,
map Slic3r::ExtrusionPath->new(polyline => $_, role => 0, mm3_per_mm => 1),
Slic3r::Polyline->new([0,15], [0,18], [0,20]),
Slic3r::Polyline->new([0,10], [0,8], [0,5]),
@ -71,6 +75,7 @@ is scalar(@{$collection->[1]}), 1, 'appended collection was duplicated';
{
my $collection = Slic3r::ExtrusionPath::Collection->new(
Slic3r::ExtrusionPath::EXTR_ROLE_FILL,
map Slic3r::ExtrusionPath->new(polyline => $_, role => 0, mm3_per_mm => 1),
Slic3r::Polyline->new([15,0], [10,0], [4,0]),
Slic3r::Polyline->new([10,5], [15,5], [20,5]),

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@ -4,7 +4,7 @@ use strict;
use warnings;
use Slic3r::XS;
use Test::More tests => 107;
use Test::More tests => 108;
foreach my $config (Slic3r::Config->new, Slic3r::Config::Full->new) {
$config->set('layer_height', 0.3);
@ -182,6 +182,13 @@ foreach my $config (Slic3r::Config->new, Slic3r::Config::Full->new) {
is $config->get('perimeter_extruder'), 3, 'defined extruder is not overwritten by default extruder';
}
{
my $config = Slic3r::Config->new;
$config->set('infill_extruder', 2);
$config->normalize;
is $config->get('solid_infill_extruder'), 2, 'undefined solid infill extruder is populated with infill extruder';
}
{
my $config = Slic3r::Config->new;
$config->set('spiral_vase', 1);

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@ -6,7 +6,7 @@
%}
%name{Slic3r::ExtrusionPath::Collection} class ExtrusionEntityCollection {
%name{_new} ExtrusionEntityCollection();
%name{_new} ExtrusionEntityCollection(ExtrusionRole role);
void reverse();
void clear()
%code{% THIS->entities.clear(); %};

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@ -23,7 +23,8 @@
void simplify(double tolerance);
double length();
bool is_perimeter();
bool is_fill();
bool is_infill();
bool is_solid_infill();
bool is_bridge();
std::string gcode(Extruder* extruder, double e, double F,
double xofs, double yofs, std::string extrusion_axis,