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New experimental --g0 option for fast retractions. #51

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This commit is contained in:
Alessandro Ranellucci 2011-11-14 12:15:32 +01:00
parent 12b06b0ab0
commit db35faeabb
3 changed files with 43 additions and 10 deletions
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1
lib/Slic3r.pm
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@ -40,6 +40,7 @@ our $use_relative_e_distances = 0;
our $no_extrusion = 0; our $no_extrusion = 0;
our $z_offset = 0; our $z_offset = 0;
our $gcode_arcs = 0; our $gcode_arcs = 0;
our $g0 = 0;
# filament options # filament options
our $filament_diameter = 3; # mm our $filament_diameter = 3; # mm

47
lib/Slic3r/Extruder.pm
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@ -41,7 +41,7 @@ sub move_z {
my $gcode = ""; my $gcode = "";
$gcode .= $self->retract(dont_lift => 1); $gcode .= $self->retract(dont_lift => 1);
$gcode .= $self->G1(undef, $z, 0, 'move to next layer'); $gcode .= $self->G0(undef, $z, 0, 'move to next layer');
return $gcode; return $gcode;
} }
@ -83,11 +83,11 @@ sub extrude {
my $distance_from_last_pos = Slic3r::Geometry::distance_between_points($self->last_pos, $path->points->[0]) * $Slic3r::resolution; my $distance_from_last_pos = Slic3r::Geometry::distance_between_points($self->last_pos, $path->points->[0]) * $Slic3r::resolution;
if ($distance_from_last_pos >= $Slic3r::retract_before_travel if ($distance_from_last_pos >= $Slic3r::retract_before_travel
&& ($Slic3r::fill_density == 0 || $distance_from_last_pos >= $Slic3r::flow_width / $Slic3r::fill_density * sqrt(2))) { && ($Slic3r::fill_density == 0 || $distance_from_last_pos >= $Slic3r::flow_width / $Slic3r::fill_density * sqrt(2))) {
$gcode .= $self->retract; $gcode .= $self->retract(travel_to => $path->points->[0]);
} }
# go to first point of extrusion path # go to first point of extrusion path
$gcode .= $self->G1($path->points->[0], undef, 0, "move to first $description point") $gcode .= $self->G0($path->points->[0], undef, 0, "move to first $description point")
if !points_coincide($self->last_pos, $path->points->[0]); if !points_coincide($self->last_pos, $path->points->[0]);
# compensate retraction # compensate retraction
@ -121,13 +121,31 @@ sub retract {
return "" unless $Slic3r::retract_length > 0 return "" unless $Slic3r::retract_length > 0
&& !$self->retracted; && !$self->retracted;
$self->retracted(1); # prepare moves
my $gcode = $self->G1(undef, undef, -$Slic3r::retract_length, "retract"); my $retract = [undef, undef, -$Slic3r::retract_length, "retract"];
my $lift = ($params{dont_lift} || $Slic3r::retract_lift == 0)
? undef
: [undef, $self->z + $Slic3r::retract_lift, 0, 'lift plate during retraction'];
unless ($params{dont_lift} || $Slic3r::retract_lift == 0) { my $gcode = "";
$gcode .= $self->G1(undef, $self->z + $Slic3r::retract_lift, 0, 'lift plate during retraction'); if ($Slic3r::g0 && $params{travel_to}) {
$self->lifted(1); if ($lift) {
# combine lift and retract
$lift->[2] = $retract->[2];
$gcode .= $self->G0(@$lift);
} else {
# combine travel and retract
my $travel = [$params{travel_to}, undef, $retract->[2], 'travel and retract'];
$gcode .= $self->G0(@$travel);
} }
} else {
$gcode .= $self->G1(@$retract);
if ($lift) {
$gcode .= $self->G1(@$lift);
}
}
$self->retracted(1);
$self->lifted(1) if $lift;
# reset extrusion distance during retracts # reset extrusion distance during retracts
# this makes sure we leave sufficient precision in the firmware # this makes sure we leave sufficient precision in the firmware
@ -155,12 +173,23 @@ sub unretract {
return $gcode; return $gcode;
} }
sub G0 {
my $self = shift;
return $self->G1(@_) if !$Slic3r::g0;
return "G0" . $self->G0_G1(@_);
}
sub G1 { sub G1 {
my $self = shift;
return "G1" . $self->G0_G1(@_);
}
sub G0_G1 {
my $self = shift; my $self = shift;
my ($point, $z, $e, $comment) = @_; my ($point, $z, $e, $comment) = @_;
my $dec = $self->dec; my $dec = $self->dec;
my $gcode = "G1"; my $gcode = "";
if ($point) { if ($point) {
$gcode .= sprintf " X%.${dec}f Y%.${dec}f", $gcode .= sprintf " X%.${dec}f Y%.${dec}f",

5
slic3r.pl
View file

@ -30,6 +30,7 @@ GetOptions(
'no-extrusion' => \$Slic3r::no_extrusion, 'no-extrusion' => \$Slic3r::no_extrusion,
'z-offset=f' => \$Slic3r::z_offset, 'z-offset=f' => \$Slic3r::z_offset,
'gcode-arcs' => \$Slic3r::gcode_arcs, 'gcode-arcs' => \$Slic3r::gcode_arcs,
'g0' => \$Slic3r::g0,
# filament options # filament options
'filament-diameter=f' => \$Slic3r::filament_diameter, 'filament-diameter=f' => \$Slic3r::filament_diameter,
@ -117,7 +118,7 @@ sub usage {
my ($exit_code) = @_; my ($exit_code) = @_;
print <<"EOF"; print <<"EOF";
Slic3r is a STL-to-GCODE translator for RepRap 3D printers Slic3r $Slic3r::VERSION is a STL-to-GCODE translator for RepRap 3D printers
written by Alessandro Ranellucci <aar\@cpan.org> - http://slic3r.org/ written by Alessandro Ranellucci <aar\@cpan.org> - http://slic3r.org/
Usage: slic3r.pl [ OPTIONS ] file.stl Usage: slic3r.pl [ OPTIONS ] file.stl
@ -138,6 +139,8 @@ Usage: slic3r.pl [ OPTIONS ] file.stl
(+/-, default: $Slic3r::z_offset) (+/-, default: $Slic3r::z_offset)
--gcode-arcs Use G2/G3 commands for native arcs (experimental, not supported --gcode-arcs Use G2/G3 commands for native arcs (experimental, not supported
by all firmwares) by all firmwares)
--g0 Use G0 commands for retraction (experimenta, not supported by all
firmwares)
Filament options: Filament options:
--filament-diameter Diameter in mm of your raw filament (default: $Slic3r::filament_diameter) --filament-diameter Diameter in mm of your raw filament (default: $Slic3r::filament_diameter)