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Test bridges when infill flow is larger than perimeter flow. #1917

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This commit is contained in:
Alessandro Ranellucci 2014-04-09 12:09:25 +02:00
parent 8e5ca0ab76
commit 26bdbf0210
1 changed files with 66 additions and 54 deletions
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120
t/bridges.t
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@ -1,4 +1,4 @@
use Test::More tests => 4; use Test::More tests => 8;
use strict; use strict;
use warnings; use warnings;
@ -12,6 +12,64 @@ use Slic3r;
use Slic3r::Geometry qw(scale epsilon rad2deg PI); use Slic3r::Geometry qw(scale epsilon rad2deg PI);
use Slic3r::Test; use Slic3r::Test;
my $full_test = sub {
my ($bd) = @_;
{
my $test = sub {
my ($bridge_size, $expected_angle) = @_;
my ($x, $y) = @$bridge_size;
my $lower = Slic3r::ExPolygon->new(
Slic3r::Polygon->new_scale([-2,-2], [$x+2,-2], [$x+2,$y+2], [-2,$y+2]),
Slic3r::Polygon->new_scale([0,0], [0,$y], [$x,$y], [$x,0]),
);
$lower->translate(scale 20, scale 20); # avoid negative coordinates for easier SVG preview
my $bridge = $lower->[1]->clone;
$bridge->reverse;
$bridge = Slic3r::ExPolygon->new($bridge);
$bd->lower_slices([$lower]);
ok check_angle($bd, $bridge, $expected_angle), 'correct bridge angle for O-shaped overhang';
};
$test->([20,10], 90);
$test->([10,20], 0);
}
{
my $bridge = Slic3r::ExPolygon->new(
Slic3r::Polygon->new_scale([0,0], [20,0], [20,10], [0,10]),
);
my $lower = [
Slic3r::ExPolygon->new(
Slic3r::Polygon->new_scale([-2,0], [0,0], [0,10], [-2,10]),
),
];
$_->translate(scale 20, scale 20) for $bridge, @$lower; # avoid negative coordinates for easier SVG preview
$lower->[1] = $lower->[0]->clone;
$lower->[1]->translate(scale 22, 0);
$bd->lower_slices($lower);
ok check_angle($bd, $bridge, 0), 'correct bridge angle for two-sided bridge';
}
{
my $bridge = Slic3r::ExPolygon->new(
Slic3r::Polygon->new_scale([0,0], [20,0], [10,10], [0,10]),
);
my $lower = [
Slic3r::ExPolygon->new(
Slic3r::Polygon->new_scale([0,0], [0,10], [10,10], [10,12], [-2,12], [-2,-2], [22,-2], [22,0]),
),
];
$_->translate(scale 20, scale 20) for $bridge, @$lower; # avoid negative coordinates for easier SVG preview
$bd->lower_slices($lower);
ok check_angle($bd, $bridge, 135), 'correct bridge angle for C-shaped overhang';
}
};
my $flow = Slic3r::Flow->new(width => 0.5, spacing => 0.45, nozzle_diameter => 0.5); my $flow = Slic3r::Flow->new(width => 0.5, spacing => 0.45, nozzle_diameter => 0.5);
my $bd = Slic3r::Layer::BridgeDetector->new( my $bd = Slic3r::Layer::BridgeDetector->new(
lower_slices => [], lower_slices => [],
@ -19,63 +77,17 @@ my $bd = Slic3r::Layer::BridgeDetector->new(
infill_flow => $flow, infill_flow => $flow,
); );
{ $full_test->($bd);
my $test = sub {
my ($bridge_size, $expected_angle) = @_;
my ($x, $y) = @$bridge_size;
my $lower = Slic3r::ExPolygon->new(
Slic3r::Polygon->new_scale([-2,-2], [$x+2,-2], [$x+2,$y+2], [-2,$y+2]),
Slic3r::Polygon->new_scale([0,0], [0,$y], [$x,$y], [$x,0]),
);
$lower->translate(scale 20, scale 20); # avoid negative coordinates for easier SVG preview
my $bridge = $lower->[1]->clone;
$bridge->reverse;
$bridge = Slic3r::ExPolygon->new($bridge);
$bd->lower_slices([$lower]);
ok check_angle($bd->detect_angle($bridge), $expected_angle), 'correct bridge angle for O-shaped overhang';
};
$test->([20,10], 90);
$test->([10,20], 0);
}
{ # infill flow larger than perimeter flow
my $bridge = Slic3r::ExPolygon->new( $bd->infill_flow(Slic3r::Flow->new(width => 0.9, spacing => 0.85, nozzle_diameter => 0.5));
Slic3r::Polygon->new_scale([0,0], [20,0], [20,10], [0,10]), $full_test->($bd);
);
my $lower = [
Slic3r::ExPolygon->new(
Slic3r::Polygon->new_scale([-2,0], [0,0], [0,10], [-2,10]),
),
];
$_->translate(scale 20, scale 20) for $bridge, @$lower; # avoid negative coordinates for easier SVG preview
$lower->[1] = $lower->[0]->clone;
$lower->[1]->translate(scale 22, 0);
$bd->lower_slices($lower);
ok check_angle($bd->detect_angle($bridge), 0), 'correct bridge angle for two-sided bridge';
}
{
my $bridge = Slic3r::ExPolygon->new(
Slic3r::Polygon->new_scale([0,0], [20,0], [10,10], [0,10]),
);
my $lower = [
Slic3r::ExPolygon->new(
Slic3r::Polygon->new_scale([0,0], [0,10], [10,10], [10,12], [-2,12], [-2,-2], [22,-2], [22,0]),
),
];
$_->translate(scale 20, scale 20) for $bridge, @$lower; # avoid negative coordinates for easier SVG preview
$bd->lower_slices($lower);
ok check_angle($bd->detect_angle($bridge), 135), 'correct bridge angle for C-shaped overhang';
}
sub check_angle { sub check_angle {
my ($result, $expected) = @_; my ($bd, $bridge, $expected) = @_;
my $result = $bd->detect_angle($bridge);
# our epsilon is equal to the steps used by the bridge detection algorithm # our epsilon is equal to the steps used by the bridge detection algorithm
###use XXX; YYY [ rad2deg($result), $expected ]; ###use XXX; YYY [ rad2deg($result), $expected ];