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regression test for combined infill #834

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Guards against issue of slightly off-vertical walls triggering
extra infill on layers that should be empty when combining infill.
This commit is contained in:
Mike Sheldrake 2013-02-16 06:12:18 -08:00
parent c9b506fa02
commit f46226b32f
1 changed files with 71 additions and 0 deletions
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use Test::More tests => 3;
use strict;
use warnings;
BEGIN {
use FindBin;
use lib "$FindBin::Bin/../lib";
}
use List::Util qw(first);
use Slic3r;
use Slic3r::Test;
{
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);
my $test = sub {
my ($shift) = @_;
my $self = Slic3r::Test::init_print('20mm_cube', config => $config);
$shift /= &Slic3r::SCALING_FACTOR;
# 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};
# copy of Print::export_gcode() up to the point
# after fill surfaces are combined
$self->init_extruders;
$_->slice(keep_meshes => 1) for @{$self->objects};
$_->make_perimeters for @{$self->objects};
foreach my $layer (map @{$_->layers}, @{$self->objects}) {
$_->simplify(&Slic3r::SCALED_RESOLUTION)
for @{$layer->slices}, (map $_->expolygon, map @{$_->slices}, @{$layer->regions});
}
$_->detect_surfaces_type for @{$self->objects};
$_->prepare_fill_surfaces for map @{$_->regions}, map @{$_->layers}, @{$self->objects};
$_->process_bridges for map @{$_->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__