Documented perl modules.

This commit is contained in:
bubnikv 2016-09-13 11:24:55 +02:00
parent 6dfe4c0b96
commit b2a6f43923
13 changed files with 107 additions and 10 deletions

View file

@ -1,9 +1,13 @@
# A standalone (no C++ implementation) G-code filter, to control cooling of the print.
# The G-code is processed per layer. Once a layer is collected, fan start / stop commands are edited
# and the print is modified to stretch over a minimum layer time.
package Slic3r::GCode::CoolingBuffer;
use Moo;
has 'config' => (is => 'ro', required => 1); # Slic3r::Config::Print
has 'gcodegen' => (is => 'ro', required => 1);
has 'gcode' => (is => 'rw', default => sub {""});
has 'gcodegen' => (is => 'ro', required => 1); # Slic3r::GCode C++ instance
has 'gcode' => (is => 'rw', default => sub {""}); # Cache of a G-code snippet emitted for a single layer.
has 'elapsed_time' => (is => 'rw', default => sub {0});
has 'layer_id' => (is => 'rw');
has 'last_z' => (is => 'rw', default => sub { {} }); # obj_id => z (basically a 'last seen' table)
@ -20,12 +24,15 @@ sub append {
my $return = "";
if (exists $self->last_z->{$obj_id} && $self->last_z->{$obj_id} != $print_z) {
# A layer was finished, Z of the object's layer changed. Process the layer.
$return = $self->flush;
}
$self->layer_id($layer_id);
$self->last_z->{$obj_id} = $print_z;
$self->gcode($self->gcode . $gcode);
#FIXME Vojtech: This is a very rough estimate of the print time,
# not taking into account the acceleration profiles generated by the printer firmware.
$self->elapsed_time($self->elapsed_time + $self->gcodegen->elapsed_time);
$self->gcodegen->set_elapsed_time(0);
@ -46,9 +53,12 @@ sub flush {
if ($self->config->cooling) {
Slic3r::debugf "Layer %d estimated printing time: %d seconds\n", $self->layer_id, $elapsed;
if ($elapsed < $self->config->slowdown_below_layer_time) {
# Layer time very short. Enable the fan to a full throttle and slow down the print
# (stretch the layer print time to slowdown_below_layer_time).
$fan_speed = $self->config->max_fan_speed;
$speed_factor = $elapsed / $self->config->slowdown_below_layer_time;
} elsif ($elapsed < $self->config->fan_below_layer_time) {
# Layer time quite short. Enable the fan proportionally according to the current layer time.
$fan_speed = $self->config->max_fan_speed - ($self->config->max_fan_speed - $self->config->min_fan_speed)
* ($elapsed - $self->config->slowdown_below_layer_time)
/ ($self->config->fan_below_layer_time - $self->config->slowdown_below_layer_time); #/
@ -56,6 +66,9 @@ sub flush {
Slic3r::debugf " fan = %d%%, speed = %d%%\n", $fan_speed, $speed_factor * 100;
if ($speed_factor < 1) {
# Adjust feed rate of G1 commands marked with an _EXTRUDE_SET_SPEED
# as long as they are not _WIPE moves (they cannot if they are _EXTRUDE_SET_SPEED)
# and they are not preceded directly by _BRIDGE_FAN_START (do not adjust bridging speed).
$gcode =~ s/^(?=.*?;_EXTRUDE_SET_SPEED)(?!.*?;_WIPE)(?<!;_BRIDGE_FAN_START\n)(G1\sF)(\d+(?:\.\d+)?)/
my $new_speed = $2 * $speed_factor;
$1 . sprintf("%.3f", $new_speed < $self->min_print_speed ? $self->min_print_speed : $new_speed)