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More tests and related fixes to bridge detection. #1917

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This commit is contained in:
Alessandro Ranellucci 2014-04-21 20:44:21 +02:00
parent c4bfe64fb8
commit f7e8a99078
3 changed files with 50 additions and 30 deletions
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23
t/bridges.t
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@ -1,4 +1,4 @@
use Test::More tests => 8;
use Test::More tests => 12;
use strict;
use warnings;
@ -9,14 +9,14 @@ BEGIN {
use List::Util qw(first);
use Slic3r;
use Slic3r::Geometry qw(scale epsilon rad2deg PI);
use Slic3r::Geometry qw(scale epsilon deg2rad rad2deg PI);
use Slic3r::Test;
my $full_test = sub {
my ($bd) = @_;
{
my $test = sub {
my ($bridge_size, $expected_angle) = @_;
my ($bridge_size, $rotate, $expected_angle, $tolerance) = @_;
my ($x, $y) = @$bridge_size;
my $lower = Slic3r::ExPolygon->new(
@ -24,16 +24,19 @@ my $full_test = sub {
Slic3r::Polygon->new_scale([0,0], [0,$y], [$x,$y], [$x,0]),
);
$lower->translate(scale 20, scale 20); # avoid negative coordinates for easier SVG preview
$lower->rotate(deg2rad($rotate), [$x/2,$y/2]);
my $bridge = $lower->[1]->clone;
$bridge->reverse;
$bridge = Slic3r::ExPolygon->new($bridge);
$bd->lower_slices([$lower]);
ok check_angle($bd, $bridge, $expected_angle), 'correct bridge angle for O-shaped overhang';
ok check_angle($bd, $bridge, $expected_angle, $tolerance), 'correct bridge angle for O-shaped overhang';
};
$test->([20,10], 90);
$test->([10,20], 0);
$test->([20,10], 0, 0);
$test->([10,20], 0, 90);
$test->([20,10], 45, 135, 20);
$test->([20,10], 135, 45, 20);
}
{
@ -73,7 +76,6 @@ my $full_test = sub {
my $flow = Slic3r::Flow->new(width => 0.5, spacing => 0.45, nozzle_diameter => 0.5);
my $bd = Slic3r::Layer::BridgeDetector->new(
lower_slices => [],
perimeter_flow => $flow,
infill_flow => $flow,
);
@ -85,13 +87,14 @@ $full_test->($bd);
sub check_angle {
my ($bd, $bridge, $expected) = @_;
my ($bd, $bridge, $expected, $tolerance) = @_;
$tolerance //= rad2deg($bd->resolution) + epsilon;
my $result = $bd->detect_angle($bridge);
# our epsilon is equal to the steps used by the bridge detection algorithm
###use XXX; YYY [ rad2deg($result), $expected ];
return defined $result && abs(rad2deg($result) - $expected) < rad2deg($bd->resolution);
return defined $result && abs(rad2deg($result) - $expected) < $tolerance;
}
__END__