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 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('fill_pattern', $pattern); $config->set('external_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('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('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]); $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__