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New experimental autospeed feature. #2810

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This commit is contained in:
Alessandro Ranellucci 2015-05-31 22:04:32 +02:00
parent 6e280ab8cb
commit 7f70da97b4
12 changed files with 165 additions and 9 deletions
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55
lib/Slic3r/Print/GCode.pm
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@ -15,7 +15,7 @@ has '_brim_done' => (is => 'rw');
has '_second_layer_things_done' => (is => 'rw');
has '_last_obj_copy' => (is => 'rw');
use List::Util qw(first sum);
use List::Util qw(first sum min max);
use Slic3r::Flow ':roles';
use Slic3r::Geometry qw(X Y scale unscale chained_path convex_hull);
use Slic3r::Geometry::Clipper qw(JT_SQUARE union_ex offset);
@ -40,9 +40,60 @@ sub BUILD {
layer_count => $layer_count,
enable_cooling_markers => 1,
);
$self->_gcodegen($gcodegen);
$gcodegen->apply_print_config($self->config);
$gcodegen->set_extruders($self->print->extruders);
$self->_gcodegen($gcodegen);
# initialize autospeed
{
# get the minimum cross-section used in the print
my @mm3_per_mm = ();
foreach my $object (@{$self->print->objects}) {
foreach my $region_id (0..$#{$self->print->regions}) {
my $region = $self->print->get_region($region_id);
foreach my $layer (@{$object->layers}) {
my $layerm = $layer->get_region($region_id);
if ($region->config->get_abs_value('perimeter_speed') == 0
|| $region->config->get_abs_value('small_perimeter_speed') == 0
|| $region->config->get_abs_value('external_perimeter_speed') == 0
|| $region->config->get_abs_value('bridge_speed') == 0) {
push @mm3_per_mm, $layerm->perimeters->min_mm3_per_mm;
}
if ($region->config->get_abs_value('infill_speed') == 0
|| $region->config->get_abs_value('solid_infill_speed') == 0
|| $region->config->get_abs_value('top_solid_infill_speed') == 0
|| $region->config->get_abs_value('bridge_speed') == 0) {
push @mm3_per_mm, $layerm->fills->min_mm3_per_mm;
}
}
}
if ($object->config->get_abs_value('support_material_speed') == 0
|| $object->config->get_abs_value('support_material_interface_speed') == 0) {
foreach my $layer (@{$object->support_layers}) {
push @mm3_per_mm, $layer->support_fills->min_mm3_per_mm;
push @mm3_per_mm, $layer->support_interface_fills->min_mm3_per_mm;
}
}
}
my $min_mm3_per_mm = min(@mm3_per_mm);
if ($min_mm3_per_mm > 0) {
# In order to honor max_print_speed we need to find a target volumetric
# speed that we can use throughout the print. So we define this target
# volumetric speed as the volumetric speed produced by printing the
# smallest cross-section at the maximum speed: any larger cross-section
# will need slower feedrates.
my $volumetric_speed = $min_mm3_per_mm * $self->config->max_print_speed;
# limit such volumetric speed with max_volumetric_speed if set
if ($self->config->max_volumetric_speed > 0) {
$volumetric_speed = min(
$volumetric_speed,
$self->config->max_volumetric_speed,
);
}
$gcodegen->volumetric_speed($volumetric_speed);
}
}
}
$self->_cooling_buffer(Slic3r::GCode::CoolingBuffer->new(