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Fixed regression causing bridge flow to be incorrect when a manual default extrusion width was specified. Includes several regression tests. #2027

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This commit is contained in:
Alessandro Ranellucci 2014-06-03 23:59:03 +02:00
parent 39b8ac80ee
commit 28695c719c
2 changed files with 42 additions and 3 deletions
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42
t/flow.t
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@ -1,4 +1,4 @@
use Test::More tests => 1;
use Test::More tests => 6;
use strict;
use warnings;
@ -9,7 +9,7 @@ BEGIN {
use List::Util qw(first sum);
use Slic3r;
use Slic3r::Geometry qw(scale);
use Slic3r::Geometry qw(scale PI);
use Slic3r::Test;
{
@ -38,4 +38,42 @@ use Slic3r::Test;
'first_layer_extrusion_width applies to everything on first layer';
}
{
my $config = Slic3r::Config->new_from_defaults;
$config->set('bridge_speed', 99);
$config->set('bridge_flow_ratio', 1);
$config->set('cooling', 0); # to prevent speeds from being altered
$config->set('first_layer_speed', '100%'); # to prevent speeds from being altered
my $test = sub {
my $print = Slic3r::Test::init_print('overhang', config => $config);
my @E_per_mm = ();
Slic3r::GCode::Reader->new->parse(my $gcode = Slic3r::Test::gcode($print), sub {
my ($self, $cmd, $args, $info) = @_;
if ($info->{extruding} && $info->{dist_XY} > 0) {
if (($args->{F} // $self->F) == $config->bridge_speed*60) {
push @E_per_mm, $info->{dist_E} / $info->{dist_XY};
}
}
});
my $expected_mm3_per_mm = ($config->nozzle_diameter->[0]**2) * PI/4 * $config->bridge_flow_ratio;
my $expected_E_per_mm = $expected_mm3_per_mm / ((($config->filament_diameter->[0]/2)**2)*PI);
ok !(defined first { abs($_ - $expected_E_per_mm) > 0.01 } @E_per_mm),
'expected flow when using bridge_flow_ratio = ' . $config->bridge_flow_ratio;
};
$config->set('bridge_flow_ratio', 0.5);
$test->();
$config->set('bridge_flow_ratio', 2);
$test->();
$config->set('extrusion_width', 0.4);
$config->set('bridge_flow_ratio', 1);
$test->();
$config->set('bridge_flow_ratio', 0.5);
$test->();
$config->set('bridge_flow_ratio', 2);
$test->();
}
__END__

3
xs/src/Flow.cpp
View file

@ -9,7 +9,8 @@ Flow::new_from_config_width(FlowRole role, const ConfigOptionFloatOrPercent &wid
if (height <= 0 && bridge_flow_ratio == 0) CONFESS("Invalid flow height supplied to new_from_config_width()");
float w;
if (!width.percent && width.value == 0) {
// use automatic extrusion width if user left 0 or we need a bridge flow
if ((!width.percent && width.value == 0) || bridge_flow_ratio > 0) {
w = Flow::_width(role, nozzle_diameter, height, bridge_flow_ratio);
} else {
w = width.get_abs_value(height);