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combineinfill.t
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use Test::More;
use strict;
use warnings;
BEGIN {
use FindBin;
use lib "$FindBin::Bin/../lib";
use local::lib "$FindBin::Bin/../local-lib";
}
use List::Util qw(first);
use Slic3r;
use Slic3r::Surface ':types';
use Slic3r::Test;
plan tests => 8;
{
my $test = sub {
my ($config) = @_;
my $print = Slic3r::Test::init_print('20mm_cube', config => $config);
ok my $gcode = Slic3r::Test::gcode($print), "infill_every_layers does not crash";
my $tool = undef;
my %layers = (); # layer_z => 1
my %layer_infill = (); # layer_z => has_infill
Slic3r::GCode::Reader->new->parse($gcode, sub {
my ($self, $cmd, $args, $info) = @_;
if ($cmd =~ /^T(\d+)/) {
$tool = $1;
} elsif ($cmd eq 'G1' && $info->{extruding} && $info->{dist_XY} > 0 && $tool != $config->support_material_extruder-1) {
$layer_infill{$self->Z} //= 0;
if ($tool == $config->infill_extruder-1) {
$layer_infill{$self->Z} = 1;
}
}
# Previously, all G-code commands had a fixed number of decimal points with means with redundant zeros after decimal points.
# We changed this behavior and got rid of these redundant padding zeros, which caused this test to fail
# because the position in Z-axis is compared as a string, and previously, G-code contained the following two commands:
# "G1 Z5 F5000 ; lift nozzle"
# "G1 Z5.000 F7800.000"
# That has a different Z-axis position from the view of string comparisons of floating-point numbers.
# To correct the computation of the number of printed layers, even in the case of string comparisons of floating-point numbers,
# we filtered out the G-code command with the commend 'lift nozzle'.
$layers{$args->{Z}} = 1 if $cmd eq 'G1' && $info->{dist_Z} && index($info->{comment}, 'lift nozzle') == -1;
});
my $layers_with_perimeters = scalar(keys %layer_infill);
my $layers_with_infill = grep $_ > 0, values %layer_infill;
is scalar(keys %layers), $layers_with_perimeters+$config->raft_layers, 'expected number of layers';
if ($config->raft_layers == 0) {
# first infill layer printed directly on print bed is not combined, so we don't consider it.
$layers_with_infill--;
$layers_with_perimeters--;
}
# we expect that infill is generated for half the number of combined layers
# plus for each single layer that was not combined (remainder)
is $layers_with_infill,
int($layers_with_perimeters/$config->infill_every_layers) + ($layers_with_perimeters % $config->infill_every_layers),
'infill is only present in correct number of layers';
};
my $config = Slic3r::Config::new_from_defaults;
$config->set('layer_height', 0.2);
$config->set('first_layer_height', 0.2);
$config->set('nozzle_diameter', [0.5,0.5,0.5,0.5]);
$config->set('infill_every_layers', 2);
$config->set('perimeter_extruder', 1);
$config->set('infill_extruder', 2);
$config->set('wipe_into_infill', 0);
$config->set('support_material_extruder', 3);
$config->set('support_material_interface_extruder', 3);
$config->set('top_solid_layers', 0);
$config->set('bottom_solid_layers', 0);
$test->($config);
$config->set('skirts', 0); # prevent usage of perimeter_extruder in raft layers
$config->set('raft_layers', 5);
$test->($config);
}
{
my $config = Slic3r::Config::new_from_defaults;
$config->set('layer_height', 0.2);
$config->set('first_layer_height', 0.2);
$config->set('nozzle_diameter', [0.5]);
$config->set('infill_every_layers', 2);
my $print = Slic3r::Test::init_print('20mm_cube', config => $config);
$print->process;
ok defined(first { @{$_->get_region(0)->fill_surfaces->filter_by_type(S_TYPE_INTERNALVOID)} > 0 }
@{$print->print->get_object(0)->layers}),
'infill combination produces internal void surfaces';
# we disable combination after infill has been generated
$config->set('infill_every_layers', 1);
$print->apply($print->print->model->clone, $config);
$print->process;
ok !(defined first { @{$_->get_region(0)->fill_surfaces} == 0 }
@{$print->print->get_object(0)->layers}),
'infill combination is idempotent';
}
# the following needs to be adapted to the new API
if (0) {
my $config = Slic3r::Config::new_from_defaults;
$config->set('skirts', 0);
$config->set('solid_layers', 0);
$config->set('bottom_solid_layers', 0);
$config->set('top_solid_layers', 0);
$config->set('infill_every_layers', 6);
$config->set('layer_height', 0.06);
$config->set('perimeters', 1);
my $test = sub {
my ($shift) = @_;
my $self = Slic3r::Test::init_print('20mm_cube', config => $config);
$shift /= &Slic3r::SCALING_FACTOR;
my $scale = 4; # make room for fat infill lines with low layer height
# Put a slope on the box's sides by shifting x and y coords by $tilt * (z / boxheight).
# The test here is to put such a slight slope on the walls that it should
# not trigger any extra fill on fill layers that should be empty when
# combine infill is enabled.
$_->[0] += $shift * ($_->[2] / (20 / &Slic3r::SCALING_FACTOR)) for @{$self->objects->[0]->meshes->[0]->vertices};
$_->[1] += $shift * ($_->[2] / (20 / &Slic3r::SCALING_FACTOR)) for @{$self->objects->[0]->meshes->[0]->vertices};
$_ = [$_->[0]*$scale, $_->[1]*$scale, $_->[2]] for @{$self->objects->[0]->meshes->[0]->vertices};
# copy of Print::export_gcode() up to the point
# after fill surfaces are combined
$_->slice for @{$self->objects};
$_->make_perimeters for @{$self->objects};
$_->detect_surfaces_type for @{$self->objects};
$_->prepare_fill_surfaces for map @{$_->regions}, map @{$_->layers}, @{$self->objects};
$_->process_external_surfaces for map @{$_->regions}, map @{$_->layers}, @{$self->objects};
$_->discover_horizontal_shells for @{$self->objects};
$_->combine_infill for @{$self->objects};
# Only layers with id % 6 == 0 should have fill.
my $spurious_infill = 0;
foreach my $layer (map @{$_->layers}, @{$self->objects}) {
++$spurious_infill if ($layer->id % 6 && grep @{$_->fill_surfaces} > 0, @{$layer->regions});
}
$spurious_infill -= scalar(@{$self->objects->[0]->layers} - 1) % 6;
fail "spurious fill surfaces found on layers that should have none (walls " . sprintf("%.4f", Slic3r::Geometry::rad2deg(atan2($shift, 20/&Slic3r::SCALING_FACTOR))) . " degrees off vertical)"
unless $spurious_infill == 0;
1;
};
# Test with mm skew offsets for the top of the 20mm-high box
for my $shift (0, 0.0001, 1) {
ok $test->($shift), "no spurious fill surfaces with box walls " . sprintf("%.4f",Slic3r::Geometry::rad2deg(atan2($shift, 20))) . " degrees off of vertical";
}
}
__END__