More incomplete work
This commit is contained in:
Alessandro Ranellucci
parent
72007c4f6a
commit
f3164594eb
@ -1,7 +1,7 @@
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package Slic3r::GCode;
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use Moo;
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use List::Util qw(first);
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use List::Util qw(min first);
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use Slic3r::ExtrusionPath ':roles';
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use Slic3r::Geometry qw(scale unscale scaled_epsilon points_coincide PI X Y A B);
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@ -477,94 +477,77 @@ sub limit_frequency {
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my $current_gcode = $gcode;
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$gcode = '';
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my ($X, $Y, $F);
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my @last_moves = ();
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my $longest_move;
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my $buffer = '';
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my $vibration_limit_min = $Slic3r::Config->vibration_limit * 60;
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my %last;
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my $F;
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my $flush_buffer = sub {
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my ($line) = @_;
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if (@last_moves >= 3) {
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$buffer =~ s/ F[0-9.]+//g;
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my $new_speed = $vibration_limit_min * $longest_move;
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$gcode .= "G1 F$new_speed ; limit vibrations\n";
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$gcode .= $buffer;
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$gcode .= "G1 F$F; restore previous speed\n";
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} else {
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$gcode .= $buffer;
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}
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$gcode .= "$line\n";
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@last_moves = ();
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$buffer = '';
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};
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my $append_to_buffer = sub {
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my ($line, $move, $freq) = @_;
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###printf "move x = %s, y = %s\n", map $_ // '/', @$move[X,Y];
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###printf " freq x = %s, y = %s\n", map $_ // '/', @$freq[X,Y];
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$buffer .= "$line\n";
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push @last_moves, [ map $freq->[$_] ? $_ : undef, @$move ];
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for (grep defined $freq->[$_], X,Y) {
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$longest_move = abs($move->[$_]) if $move->[$_] && (!defined $longest_move || abs($move->[$_]) > $longest_move);
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}
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};
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my $min_time = 1 / ($Slic3r::Config->vibration_limit * 60);
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my @buffer = ();
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my %last_dir = ();
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my %time = ();
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my @axes = qw(X Y E);
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foreach my $line (split /\n/, $current_gcode) {
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if ($line =~ /^G[01] /) {
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my ($x, $y, $f);
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$x = $1 if $line =~ /X([0-9.]+)/;
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$y = $1 if $line =~ /Y([0-9.]+)/;
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my %cur;
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my $f;
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for (@axes) {
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$cur{$_} = $1 if $line =~ /$_([0-9.]+)/;
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}
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$f = $1 if $line =~ /F([0-9.]+)/;
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# calculate the move vector
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my @move = (
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(defined $x && $X) ? ($x - $X) : 0,
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(defined $y && $Y) ? ($x - $Y) : 0,
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my %move = (
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map { $_ => (defined $cur{$_} && defined $last{$_}) ? ($cur{$_} - $last{$_}) : 0 } @axes
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);
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# calculate the frequency (how many times the move can happen in one minute) for each axis
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# and only keep it for the axes exceeding the configured limit.
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# (undef = infinite)
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my @freq = ();
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for (X,Y) {
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next if !$move[$_];
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my $freq = ($f // $F) / abs($move[$_]);
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$freq[$_] = $freq if $freq >= $vibration_limit_min;
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}
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# check move directions
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my %dir = (
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map { $_ => ($move{$_}) ? ($move{$_} > 0 ? 1 : -1) : undef } @axes
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);
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# does our move exceed the limit?
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if (grep defined $_, @freq) {
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# if so, do we have a buffer already?
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if (@last_moves) {
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# if we have a buffer, compare the direction (for each axis) with the previous one.
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if (($move[X] // 0) * ($last_moves[-1][X] // 0) < 0 || ($move[Y] // 0) * ($last_moves[-1][Y] // 0) < 0 && ($f // $F) == $F) {
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# this move has opposite direction on at least one axis, and has also same speed:
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# we can add it to the buffer
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$append_to_buffer->($line, \@move, \@freq);
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} else {
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$flush_buffer->($line);
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my @slowdown = ();
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foreach my $axis (@axes) {
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# are we changing direction on this axis?
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# (actually: are we going positive while last move was negative?)
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if (($last_dir{$axis} // 0) < 0 && ($dir{$axis} // 0) > 0) {
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# changing direction on this axis!
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if (defined $time{$axis} && $time{$axis} < $min_time) {
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# direction change was too fast! we need to slow down
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push @slowdown, $time{$axis} / $min_time;
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}
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} else {
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# if we have no buffer, store this move inside it
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$append_to_buffer->($line, \@move, \@freq);
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$time{$axis} = 0;
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} elsif ($move{$axis}) {
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# not changing direction on this axis
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# then just calculate move time and sum it
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$time{$axis} //= 0;
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$time{$axis} += abs($move{$axis}) / ($f // $F);
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}
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}
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if (@slowdown) {
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my $factor = min(@slowdown);
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printf "SLOWDOWN! (slowdown = %d%%)\n", $factor * 100;
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$gcode .= "; START SLOWDOWN ($factor)\n";
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$gcode .= "$_\n" for @buffer;
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@buffer = ();
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$gcode .= "; END SLOWDOWN\n";
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$gcode .= "$line\n";
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} else {
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# if the move does not exceed any limit, flush the buffer and output this line
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$flush_buffer->($line);
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push @buffer, $line;
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}
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$X = $x if defined $x;
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$Y = $y if defined $y;
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for (@axes) {
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$last{$_} = $cur{$_} if defined $cur{$_};
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$last_dir{$_} = $dir{$_} if defined $dir{$_};
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}
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$F = $f if defined $f;
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} else {
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$gcode .= "$line\n";
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push @buffer, $line;
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}
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}
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$gcode .= "$_\n" for @buffer;
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return $gcode;
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}
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@ -3,7 +3,7 @@ use Moo;
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use File::Basename qw(basename fileparse);
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use File::Spec;
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use List::Util qw(min max first);
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use List::Util qw(max first);
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use Math::ConvexHull::MonotoneChain qw(convex_hull);
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use Slic3r::ExtrusionPath ':roles';
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use Slic3r::Geometry qw(X Y Z X1 Y1 X2 Y2 MIN PI scale unscale move_points nearest_point);
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