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fill.t
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fill.t
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use Test::More;
use strict;
use warnings;
#plan tests => 43;
# Test of a 100% coverage is off.
plan tests => 19;
BEGIN {
use FindBin;
use lib "$FindBin::Bin/../lib";
use local::lib "$FindBin::Bin/../local-lib";
}
use List::Util qw(first sum);
use Slic3r;
use Slic3r::Geometry qw(X Y scale unscale convex_hull);
use Slic3r::Geometry::Clipper qw(union diff diff_ex offset offset2_ex);
use Slic3r::Surface qw(:types);
use Slic3r::Test;
sub scale_points (@) { map [scale $_->[X], scale $_->[Y]], @_ }
{
my $expolygon = Slic3r::ExPolygon->new([ scale_points [0,0], [50,0], [50,50], [0,50] ]);
my $filler = Slic3r::Filler->new_from_type('rectilinear');
$filler->set_bounding_box($expolygon->bounding_box);
$filler->set_angle(0);
my $surface = Slic3r::Surface->new(
surface_type => S_TYPE_TOP,
expolygon => $expolygon,
);
my $flow = Slic3r::Flow->new(
width => 0.69,
height => 0.4,
nozzle_diameter => 0.50,
);
$filler->set_spacing($flow->spacing);
foreach my $angle (0, 45) {
$surface->expolygon->rotate(Slic3r::Geometry::deg2rad($angle), [0,0]);
my $paths = $filler->fill_surface($surface, layer_height => 0.4, density => 0.4);
is scalar @$paths, 1, 'one continuous path';
}
}
SKIP:
{
skip "The FillRectilinear2 does not fill the surface completely", 1;
my $test = sub {
my ($expolygon, $flow_spacing, $angle, $density) = @_;
my $filler = Slic3r::Filler->new_from_type('rectilinear');
$filler->set_bounding_box($expolygon->bounding_box);
$filler->set_angle($angle // 0);
# Adjust line spacing to fill the region.
$filler->set_dont_adjust(0);
$filler->set_link_max_length(scale(1.2*$flow_spacing));
my $surface = Slic3r::Surface->new(
surface_type => S_TYPE_BOTTOM,
expolygon => $expolygon,
);
my $flow = Slic3r::Flow->new(
width => $flow_spacing,
height => 0.4,
nozzle_diameter => $flow_spacing,
);
$filler->set_spacing($flow->spacing);
my $paths = $filler->fill_surface(
$surface,
layer_height => $flow->height,
density => $density // 1,
);
# check whether any part was left uncovered
my @grown_paths = map @{Slic3r::Polyline->new(@$_)->grow(scale $filler->spacing/2)}, @$paths;
my $uncovered = diff_ex([ @$expolygon ], [ @grown_paths ], 1);
# ignore very small dots
my $uncovered_filtered = [ grep $_->area > (scale $flow_spacing)**2, @$uncovered ];
is scalar(@$uncovered_filtered), 0, 'solid surface is fully filled';
if (0 && @$uncovered_filtered) {
require "Slic3r/SVG.pm";
Slic3r::SVG::output("uncovered.svg",
no_arrows => 1,
expolygons => [ $expolygon ],
blue_expolygons => [ @$uncovered ],
red_expolygons => [ @$uncovered_filtered ],
polylines => [ @$paths ],
);
exit;
}
};
my $expolygon = Slic3r::ExPolygon->new([
[6883102, 9598327.01296997],
[6883102, 20327272.01297],
[3116896, 20327272.01297],
[3116896, 9598327.01296997],
]);
$test->($expolygon, 0.55);
for (1..20) {
$expolygon->scale(1.05);
$test->($expolygon, 0.55);
}
$expolygon = Slic3r::ExPolygon->new(
[[59515297,5422499],[59531249,5578697],[59695801,6123186],[59965713,6630228],[60328214,7070685],[60773285,7434379],[61274561,7702115],[61819378,7866770],[62390306,7924789],[62958700,7866744],[63503012,7702244],[64007365,7434357],[64449960,7070398],[64809327,6634999],[65082143,6123325],[65245005,5584454],[65266967,5422499],[66267307,5422499],[66269190,8310081],[66275379,17810072],[66277259,20697500],[65267237,20697500],[65245004,20533538],[65082082,19994444],[64811462,19488579],[64450624,19048208],[64012101,18686514],[63503122,18415781],[62959151,18251378],[62453416,18198442],[62390147,18197355],[62200087,18200576],[61813519,18252990],[61274433,18415918],[60768598,18686517],[60327567,19047892],[59963609,19493297],[59695865,19994587],[59531222,20539379],[59515153,20697500],[58502480,20697500],[58502480,5422499]]
);
$test->($expolygon, 0.524341649025257);
$expolygon = Slic3r::ExPolygon->new([ scale_points [0,0], [98,0], [98,10], [0,10] ]);
$test->($expolygon, 0.5, 45, 0.99); # non-solid infill
}
{
my $collection = Slic3r::Polyline::Collection->new(
Slic3r::Polyline->new([0,15], [0,18], [0,20]),
Slic3r::Polyline->new([0,10], [0,8], [0,5]),
);
is_deeply
[ map $_->[Y], map @$_, @{$collection->chained_path_from(Slic3r::Point->new(0,30), 0)} ],
[20, 18, 15, 10, 8, 5],
'chained path';
}
{
my $collection = Slic3r::Polyline::Collection->new(
Slic3r::Polyline->new([4,0], [10,0], [15,0]),
Slic3r::Polyline->new([10,5], [15,5], [20,5]),
);
is_deeply
[ map $_->[X], map @$_, @{$collection->chained_path_from(Slic3r::Point->new(30,0), 0)} ],
[reverse 4, 10, 15, 10, 15, 20],
'chained path';
}
{
my $collection = Slic3r::ExtrusionPath::Collection->new(
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]),
);
is_deeply
[ map $_->[Y], map @{$_->polyline}, @{$collection->chained_path_from(Slic3r::Point->new(0,30), 0)} ],
[20, 18, 15, 10, 8, 5],
'chained path';
}
{
my $collection = Slic3r::ExtrusionPath::Collection->new(
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]),
);
is_deeply
[ map $_->[X], map @{$_->polyline}, @{$collection->chained_path_from(Slic3r::Point->new(30,0), 0)} ],
[reverse 4, 10, 15, 10, 15, 20],
'chained path';
}
for my $pattern (qw(rectilinear honeycomb hilbertcurve concentric)) {
my $config = Slic3r::Config::new_from_defaults;
$config->set('nozzle_diameter', [0.4,0.4,0.4,0.4]);
$config->set('fill_pattern', $pattern);
$config->set('top_fill_pattern', $pattern);
$config->set('bottom_fill_pattern', $pattern);
$config->set('perimeters', 1);
$config->set('skirts', 0);
$config->set('fill_density', 20);
$config->set('layer_height', 0.05);
$config->set('perimeter_extruder', 1);
$config->set('infill_extruder', 2);
my $print = Slic3r::Test::init_print('20mm_cube', config => $config, scale => 2);
ok my $gcode = Slic3r::Test::gcode($print), "successful $pattern infill generation";
my $tool = undef;
my @perimeter_points = my @infill_points = ();
Slic3r::GCode::Reader->new->parse($gcode, sub {
my ($self, $cmd, $args, $info) = @_;
if ($cmd =~ /^T(\d+)/) {
$tool = $1;
} elsif ($cmd eq 'G1' && $info->{extruding} && $info->{dist_XY} > 0) {
if ($tool == $config->perimeter_extruder-1) {
push @perimeter_points, Slic3r::Point->new_scale($args->{X}, $args->{Y});
} elsif ($tool == $config->infill_extruder-1) {
push @infill_points, Slic3r::Point->new_scale($args->{X}, $args->{Y});
}
}
});
my $convex_hull = convex_hull(\@perimeter_points);
ok !(defined first { !$convex_hull->contains_point($_) } @infill_points), "infill does not exceed perimeters ($pattern)";
}
{
my $config = Slic3r::Config::new_from_defaults;
$config->set('nozzle_diameter', [0.4,0.4,0.4,0.4]);
$config->set('infill_only_where_needed', 1);
$config->set('bottom_solid_layers', 0);
$config->set('infill_extruder', 2);
$config->set('infill_extrusion_width', 0.5);
$config->set('wipe_into_infill', 0);
$config->set('fill_density', 40);
$config->set('cooling', [ 0 ]); # for preventing speeds from being altered
$config->set('first_layer_speed', '100%'); # for preventing speeds from being altered
my $test = sub {
my $print = Slic3r::Test::init_print('pyramid', config => $config);
my $tool = undef;
my @infill_extrusions = (); # array of polylines
Slic3r::GCode::Reader->new->parse(Slic3r::Test::gcode($print), sub {
my ($self, $cmd, $args, $info) = @_;
if ($cmd =~ /^T(\d+)/) {
$tool = $1;
} elsif ($cmd eq 'G1' && $info->{extruding} && $info->{dist_XY} > 0) {
if ($tool == $config->infill_extruder-1) {
push @infill_extrusions, Slic3r::Line->new_scale(
[ $self->X, $self->Y ],
[ $info->{new_X}, $info->{new_Y} ],
);
}
}
});
return 0 if !@infill_extrusions; # prevent calling convex_hull() with no points
my $convex_hull = convex_hull([ map $_->pp, map @$_, @infill_extrusions ]);
return unscale unscale sum(map $_->area, @{offset([$convex_hull], scale(+$config->infill_extrusion_width/2))});
};
my $tolerance = 5; # mm^2
$config->set('solid_infill_below_area', 0);
ok $test->() < $tolerance,
'no infill is generated when using infill_only_where_needed on a pyramid';
$config->set('solid_infill_below_area', 70);
ok abs($test->() - $config->solid_infill_below_area) < $tolerance,
'infill is only generated under the forced solid shells';
}
{
my $config = Slic3r::Config::new_from_defaults;
$config->set('skirts', 0);
$config->set('perimeters', 1);
$config->set('fill_density', 0);
$config->set('top_solid_layers', 0);
$config->set('bottom_solid_layers', 0);
$config->set('solid_infill_below_area', 20000000);
$config->set('solid_infill_every_layers', 2);
$config->set('perimeter_speed', 99);
$config->set('external_perimeter_speed', 99);
$config->set('cooling', [ 0 ]);
$config->set('first_layer_speed', '100%');
my $print = Slic3r::Test::init_print('20mm_cube', config => $config);
my %layers_with_extrusion = ();
Slic3r::GCode::Reader->new->parse(Slic3r::Test::gcode($print), sub {
my ($self, $cmd, $args, $info) = @_;
if ($cmd eq 'G1' && $info->{dist_XY} > 0 && $info->{extruding}) {
if (($args->{F} // $self->F) != $config->perimeter_speed*60) {
$layers_with_extrusion{$self->Z} = ($args->{F} // $self->F);
}
}
});
ok !%layers_with_extrusion,
"solid_infill_below_area and solid_infill_every_layers are ignored when fill_density is 0";
}
{
my $config = Slic3r::Config::new_from_defaults;
$config->set('skirts', 0);
$config->set('perimeters', 3);
$config->set('fill_density', 0);
$config->set('layer_height', 0.2);
$config->set('first_layer_height', 0.2);
$config->set('nozzle_diameter', [0.35,0.35,0.35,0.35]);
$config->set('infill_extruder', 2);
$config->set('solid_infill_extruder', 2);
$config->set('infill_extrusion_width', 0.52);
$config->set('solid_infill_extrusion_width', 0.52);
$config->set('first_layer_extrusion_width', 0);
my $print = Slic3r::Test::init_print('A', config => $config);
my %infill = (); # Z => [ Line, Line ... ]
my $tool = undef;
Slic3r::GCode::Reader->new->parse(Slic3r::Test::gcode($print), sub {
my ($self, $cmd, $args, $info) = @_;
if ($cmd =~ /^T(\d+)/) {
$tool = $1;
} elsif ($cmd eq 'G1' && $info->{extruding} && $info->{dist_XY} > 0) {
if ($tool == $config->infill_extruder-1) {
my $z = 1 * $self->Z;
$infill{$z} ||= [];
push @{$infill{$z}}, Slic3r::Line->new_scale(
[ $self->X, $self->Y ],
[ $info->{new_X}, $info->{new_Y} ],
);
}
}
});
my $grow_d = scale($config->infill_extrusion_width)/2;
my $layer0_infill = union([ map @{$_->grow($grow_d)}, @{ $infill{0.2} } ]);
my $layer1_infill = union([ map @{$_->grow($grow_d)}, @{ $infill{0.4} } ]);
my $diff = diff($layer0_infill, $layer1_infill);
$diff = offset2_ex($diff, -$grow_d, +$grow_d);
$diff = [ grep { $_->area > 2*(($grow_d*2)**2) } @$diff ];
is scalar(@$diff), 0, 'no missing parts in solid shell when fill_density is 0';
}
__END__