/usr/share/perl5/Slic3r/GCode/VibrationLimit.pm is in slic3r 1.2.9+dfsg-2build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | package Slic3r::GCode::VibrationLimit;
use Moo;
extends 'Slic3r::GCode::Reader';
has '_min_time' => (is => 'lazy');
has '_last_dir' => (is => 'ro', default => sub { [0,0] });
has '_dir_time' => (is => 'ro', default => sub { [0,0] });
# inspired by http://hydraraptor.blogspot.it/2010/12/frequency-limit.html
use List::Util qw(max);
sub _build__min_time {
my ($self) = @_;
return 1 / ($self->config->vibration_limit * 60); # in minutes
}
sub process {
my $self = shift;
my ($gcode) = @_;
my $new_gcode = "";
$self->parse($gcode, sub {
my ($reader, $cmd, $args, $info) = @_;
if ($cmd eq 'G1' && $info->{dist_XY} > 0) {
my $point = Slic3r::Pointf->new($args->{X} // $reader->X, $args->{Y} // $reader->Y);
my @dir = (
($point->x <=> $reader->X),
($point->y <=> $reader->Y), #$
);
my $time = $info->{dist_XY} / ($args->{F} // $reader->F); # in minutes
if ($time > 0) {
my @pause = ();
foreach my $axis (0..$#dir) {
if ($dir[$axis] != 0 && $self->_last_dir->[$axis] != $dir[$axis]) {
if ($self->_last_dir->[$axis] != 0) {
# this axis is changing direction: check whether we need to pause
if ($self->_dir_time->[$axis] < $self->_min_time) {
push @pause, ($self->_min_time - $self->_dir_time->[$axis]);
}
}
$self->_last_dir->[$axis] = $dir[$axis];
$self->_dir_time->[$axis] = 0;
}
$self->_dir_time->[$axis] += $time;
}
if (@pause) {
$new_gcode .= sprintf "G4 P%d\n", max(@pause) * 60 * 1000;
}
}
}
$new_gcode .= $info->{raw} . "\n";
});
return $new_gcode;
}
1;
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