Initial refactoring for supporting multiple extruders. Little speed optimization included

This commit is contained in:
Alessandro Ranellucci 2012-06-28 14:44:54 +02:00
parent 92460ba902
commit 898266fd34
10 changed files with 567 additions and 504 deletions

View File

@ -23,6 +23,7 @@ lib/Slic3r/Format/AMF.pm
lib/Slic3r/Format/AMF/Parser.pm
lib/Slic3r/Format/OBJ.pm
lib/Slic3r/Format/STL.pm
lib/Slic3r/GCode.pm
lib/Slic3r/Geometry.pm
lib/Slic3r/Geometry/Clipper.pm
lib/Slic3r/GUI.pm

View File

@ -37,6 +37,7 @@ use Slic3r::Flow;
use Slic3r::Format::AMF;
use Slic3r::Format::OBJ;
use Slic3r::Format::STL;
use Slic3r::GCode;
use Slic3r::Geometry qw(PI);
use Slic3r::Layer;
use Slic3r::Line;
@ -59,7 +60,6 @@ our $output_filename_format = '[input_filename_base].gcode';
our $post_process = [];
# printer options
our $nozzle_diameter = 0.5;
our $print_center = [100,100]; # object will be centered around this point
our $z_offset = 0;
our $gcode_flavor = 'reprap';
@ -70,13 +70,17 @@ our $g0 = 0;
our $gcode_comments = 0;
# filament options
our $filament_diameter = 3; # mm
our $extrusion_multiplier = 1;
our $temperature = 200;
our $first_layer_temperature;
our $bed_temperature = 0;
our $first_layer_bed_temperature;
# extruders
our $extruders = [];
our $nozzle_diameter = [0.5];
our $filament_diameter = [3]; # mm
our $extrusion_multiplier = [1];
# speed options
our $travel_speed = 130; # mm/s
our $perimeter_speed = 30; # mm/s

View File

@ -35,12 +35,6 @@ our $Options = {
},
# printer options
'nozzle_diameter' => {
label => 'Nozzle diameter (mm)',
cli => 'nozzle-diameter=f',
type => 'f',
important => 1,
},
'print_center' => {
label => 'Print center (mm)',
cli => 'print-center=s',
@ -86,19 +80,33 @@ our $Options = {
type => 'bool',
},
# filament options
'filament_diameter' => {
label => 'Diameter (mm)',
cli => 'filament-diameter=f',
# extruders options
'nozzle_diameter' => {
label => 'Nozzle diameter (mm)',
cli => 'nozzle-diameter=f@',
type => 'f',
important => 1,
serialize => sub { join ',', @{$_[0]} },
deserialize => sub { [ split /,/, $_[0] ] },
},
'filament_diameter' => {
label => 'Diameter (mm)',
cli => 'filament-diameter=f@',
type => 'f',
important => 1,
serialize => sub { join ',', @{$_[0]} },
deserialize => sub { [ split /,/, $_[0] ] },
},
'extrusion_multiplier' => {
label => 'Extrusion multiplier',
cli => 'extrusion-multiplier=f',
cli => 'extrusion-multiplier=f@',
type => 'f',
aliases => [qw(filament_packing_density)],
serialize => sub { join ',', @{$_[0]} },
deserialize => sub { [ split /,/, $_[0] ] },
},
# filament options
'first_layer_temperature' => {
label => 'First layer temperature (°C)',
cli => 'first-layer-temperature=i',
@ -661,28 +669,34 @@ sub validate {
# --filament-diameter
die "Invalid value for --filament-diameter\n"
if $Slic3r::filament_diameter < 1;
if grep $_ < 1, @$Slic3r::filament_diameterì;
# --nozzle-diameter
die "Invalid value for --nozzle-diameter\n"
if $Slic3r::nozzle_diameter < 0;
if grep $_ < 0, @$Slic3r::nozzle_diameter;
die "--layer-height can't be greater than --nozzle-diameter\n"
if $Slic3r::layer_height > $Slic3r::nozzle_diameter;
if grep $Slic3r::layer_height > $_, @$Slic3r::nozzle_diameter;
die "First layer height can't be greater than --nozzle-diameter\n"
if $Slic3r::_first_layer_height > $Slic3r::nozzle_diameter;
if grep $Slic3r::_first_layer_height > $_, @$Slic3r::nozzle_diameter;
# initialize extruder(s)
$Slic3r::extruders = [];
push @$Slic3r::extruders, Slic3r::Extruder->new(
nozzle_diameter => $Slic3r::nozzle_diameter->[0],
filament_diameter => $Slic3r::filament_diameter->[0],
extrusion_multiplier => $Slic3r::extrusion_multiplier->[0],
);
# calculate flow
$Slic3r::flow = Slic3r::Flow->new;
$Slic3r::flow->calculate($Slic3r::extrusion_width);
$Slic3r::flow = $Slic3r::extruders->[0]->make_flow(width => $Slic3r::extrusion_width);
if ($Slic3r::first_layer_extrusion_width) {
$Slic3r::first_layer_flow = Slic3r::Flow->new(layer_height => $Slic3r::_first_layer_height);
$Slic3r::first_layer_flow->calculate($Slic3r::first_layer_extrusion_width);
$Slic3r::first_layer_flow = $Slic3r::extruders->[0]->make_flow(
layer_height => $Slic3r::_first_layer_height,
width => $Slic3r::first_layer_extrusion_width,
);
}
$Slic3r::perimeters_flow = Slic3r::Flow->new;
$Slic3r::perimeters_flow->calculate($Slic3r::perimeters_extrusion_width || $Slic3r::extrusion_width);
$Slic3r::infill_flow = Slic3r::Flow->new;
$Slic3r::infill_flow->calculate($Slic3r::infill_extrusion_width || $Slic3r::extrusion_width);
$Slic3r::perimeters_flow = $Slic3r::extruders->[0]->make_flow(width => $Slic3r::perimeters_extrusion_width || $Slic3r::extrusion_width);
$Slic3r::infill_flow = $Slic3r::extruders->[0]->make_flow(width => $Slic3r::infill_extrusion_width || $Slic3r::extrusion_width);
Slic3r::debugf "Default flow width = %s, spacing = %s, min_spacing = %s\n",
$Slic3r::flow->width, $Slic3r::flow->spacing, $Slic3r::flow->min_spacing;
@ -717,8 +731,9 @@ sub validate {
# --infill-every-layers
die "Invalid value for --infill-every-layers\n"
if $Slic3r::infill_every_layers !~ /^\d+$/ || $Slic3r::infill_every_layers < 1;
# TODO: this check should be limited to the extruder used for infill
die "Maximum infill thickness can't exceed nozzle diameter\n"
if $Slic3r::infill_every_layers * $Slic3r::layer_height > $Slic3r::nozzle_diameter;
if grep $Slic3r::infill_every_layers * $Slic3r::layer_height > $_, @$Slic3r::nozzle_diameter;
# --scale
die "Invalid value for --scale\n"

View File

@ -1,422 +1,26 @@
package Slic3r::Extruder;
use Moo;
use Slic3r::ExtrusionPath ':roles';
use Slic3r::Geometry qw(scale unscale);
use Slic3r::Geometry qw(PI);
has 'layer' => (is => 'rw');
has 'shift_x' => (is => 'rw', default => sub {0} );
has 'shift_y' => (is => 'rw', default => sub {0} );
has 'z' => (is => 'rw', default => sub {0} );
has 'speed' => (is => 'rw');
has 'nozzle_diameter' => (is => 'rw', required => 1);
has 'filament_diameter' => (is => 'rw', required => 1);
has 'extrusion_multiplier' => (is => 'rw', required => 1);
has 'extrusion_distance' => (is => 'rw', default => sub {0} );
has 'elapsed_time' => (is => 'rw', default => sub {0} ); # seconds
has 'total_extrusion_length' => (is => 'rw', default => sub {0} );
has 'retracted' => (is => 'rw', default => sub {1} ); # this spits out some plastic at start
has 'lifted' => (is => 'rw', default => sub {0} );
has 'last_pos' => (is => 'rw', default => sub { Slic3r::Point->new(0,0) } );
has 'last_speed' => (is => 'rw', default => sub {""});
has 'last_fan_speed' => (is => 'rw', default => sub {0});
has 'dec' => (is => 'ro', default => sub { 3 } );
has 'e_per_mmc' => (is => 'rw');
# calculate speeds (mm/min)
has 'speeds' => (
is => 'ro',
default => sub {{
travel => 60 * Slic3r::Config->get('travel_speed'),
perimeter => 60 * Slic3r::Config->get('perimeter_speed'),
small_perimeter => 60 * Slic3r::Config->get('small_perimeter_speed'),
external_perimeter => 60 * Slic3r::Config->get('external_perimeter_speed'),
infill => 60 * Slic3r::Config->get('infill_speed'),
solid_infill => 60 * Slic3r::Config->get('solid_infill_speed'),
top_solid_infill => 60 * Slic3r::Config->get('top_solid_infill_speed'),
bridge => 60 * Slic3r::Config->get('bridge_speed'),
retract => 60 * Slic3r::Config->get('retract_speed'),
}},
sub BUILD {
my $self = shift;
$self->e_per_mmc(
$Slic3r::scaling_factor
* $self->extrusion_multiplier
* (4 / (($self->filament_diameter ** 2) * PI))
);
}
my %role_speeds = (
&EXTR_ROLE_PERIMETER => 'perimeter',
&EXTR_ROLE_SMALLPERIMETER => 'small_perimeter',
&EXTR_ROLE_EXTERNAL_PERIMETER => 'external_perimeter',
&EXTR_ROLE_CONTOUR_INTERNAL_PERIMETER => 'perimeter',
&EXTR_ROLE_FILL => 'infill',
&EXTR_ROLE_SOLIDFILL => 'solid_infill',
&EXTR_ROLE_TOPSOLIDFILL => 'top_solid_infill',
&EXTR_ROLE_BRIDGE => 'bridge',
&EXTR_ROLE_SKIRT => 'perimeter',
&EXTR_ROLE_SUPPORTMATERIAL => 'perimeter',
);
use Slic3r::Geometry qw(points_coincide PI X Y);
sub change_layer {
sub make_flow {
my $self = shift;
my ($layer) = @_;
$self->layer($layer);
my $z = $Slic3r::z_offset + $layer->print_z * $Slic3r::scaling_factor;
my $gcode = "";
$gcode .= $self->retract(move_z => $z);
$gcode .= $self->G0(undef, $z, 0, 'move to next layer (' . $layer->id . ')')
if $self->z != $z && !$self->lifted;
$gcode .= Slic3r::Config->replace_options($Slic3r::layer_gcode) . "\n"
if $Slic3r::layer_gcode;
return $gcode;
}
sub extrude {
my $self = shift;
if ($_[0]->isa('Slic3r::ExtrusionLoop')) {
$self->extrude_loop(@_);
} else {
$_[0]->deserialize;
$self->extrude_path(@_);
}
}
sub extrude_loop {
my $self = shift;
my ($loop, $description) = @_;
# extrude all loops ccw
$loop->deserialize;
$loop->polygon->make_counter_clockwise;
# find the point of the loop that is closest to the current extruder position
# or randomize if requested
my $last_pos = $self->last_pos;
if ($Slic3r::randomize_start && $loop->role == EXTR_ROLE_CONTOUR_INTERNAL_PERIMETER) {
srand $self->layer->id * 10;
$last_pos = Slic3r::Point->new(scale $Slic3r::print_center->[X], scale $Slic3r::bed_size->[Y]);
$last_pos->rotate(rand(2*PI), $Slic3r::print_center);
}
my $start_at = $loop->nearest_point_to($last_pos);
# split the loop at the starting point and make a path
my $extrusion_path = $loop->split_at($start_at);
$extrusion_path->deserialize;
# clip the path to avoid the extruder to get exactly on the first point of the loop;
# if polyline was shorter than the clipping distance we'd get a null polyline, so
# we discard it in that case
$extrusion_path->clip_end(scale($self->layer ? $self->layer->flow->width : $Slic3r::flow->width) * 0.15);
return '' if !@{$extrusion_path->polyline};
# extrude along the path
return $self->extrude_path($extrusion_path, $description);
}
sub extrude_path {
my $self = shift;
my ($path, $description, $recursive) = @_;
$path->merge_continuous_lines;
# detect arcs
if ($Slic3r::gcode_arcs && !$recursive) {
my $gcode = "";
foreach my $arc_path ($path->detect_arcs) {
$arc_path->deserialize;
$gcode .= $self->extrude_path($arc_path, $description, 1);
}
return $gcode;
}
my $gcode = "";
# retract if distance from previous position is greater or equal to the one
# specified by the user *and* to the maximum distance between infill lines
{
my $distance_from_last_pos = $self->last_pos->distance_to($path->points->[0]) * $Slic3r::scaling_factor;
my $distance_threshold = $Slic3r::retract_before_travel;
$distance_threshold = 2 * ($self->layer ? $self->layer->flow->width : $Slic3r::flow->width) / $Slic3r::fill_density * sqrt(2)
if 0 && $Slic3r::fill_density > 0 && $description =~ /fill/;
if ($distance_from_last_pos >= $distance_threshold) {
$gcode .= $self->retract(travel_to => $path->points->[0]);
}
}
# go to first point of extrusion path
$gcode .= $self->G0($path->points->[0], undef, 0, "move to first $description point")
if !points_coincide($self->last_pos, $path->points->[0]);
# compensate retraction
$gcode .= $self->unretract if $self->retracted;
# calculate extrusion length per distance unit
my $s = $path->flow_spacing || $self->layer ? $self->layer->flow->spacing : $Slic3r::flow->spacing;
my $h = $path->depth_layers * $self->layer->height;
my $w = ($s - ($self->layer ? $self->layer->flow->min_spacing : $Slic3r::flow->min_spacing) * $Slic3r::overlap_factor) / (1 - $Slic3r::overlap_factor);
my $area;
if ($path->role == EXTR_ROLE_BRIDGE) {
$area = ($s**2) * PI/4;
} elsif ($w >= ($Slic3r::nozzle_diameter + $h)) {
# rectangle with semicircles at the ends
$area = $w * $h + ($h**2) / 4 * (PI - 4);
} else {
# rectangle with shrunk semicircles at the ends
$area = $Slic3r::nozzle_diameter * $h * (1 - PI/4) + $h * $w * PI/4;
}
my $e = $Slic3r::scaling_factor
* $area
* $Slic3r::extrusion_multiplier
* (4 / (($Slic3r::filament_diameter ** 2) * PI));
# extrude arc or line
$self->speed( $role_speeds{$path->role} || die "Unknown role: " . $path->role );
my $path_length = 0;
if ($path->isa('Slic3r::ExtrusionPath::Arc')) {
$path_length = $path->length;
$gcode .= $self->G2_G3($path->points->[-1], $path->orientation,
$path->center, $e * $path_length, $description);
} else {
foreach my $line ($path->lines) {
my $line_length = $line->length;
$path_length += $line_length;
$gcode .= $self->G1($line->b, undef, $e * $line_length, $description);
}
}
if ($Slic3r::cooling) {
my $path_time = unscale($path_length) / $self->speeds->{$self->last_speed} * 60;
if ($self->layer->id == 0) {
$path_time = $Slic3r::first_layer_speed =~ /^(\d+(?:\.\d+)?)%$/
? $path_time / ($1/100)
: unscale($path_length) / $Slic3r::first_layer_speed * 60;
}
$self->elapsed_time($self->elapsed_time + $path_time);
}
return $gcode;
}
sub retract {
my $self = shift;
my %params = @_;
return "" unless $Slic3r::retract_length > 0
&& !$self->retracted;
# prepare moves
$self->speed('retract');
my $retract = [undef, undef, -$Slic3r::retract_length, "retract"];
my $lift = ($Slic3r::retract_lift == 0 || defined $params{move_z})
? undef
: [undef, $self->z + $Slic3r::retract_lift, 0, 'lift plate during retraction'];
my $gcode = "";
if (($Slic3r::g0 || $Slic3r::gcode_flavor eq 'mach3') && $params{travel_to}) {
if ($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);
}
} elsif (($Slic3r::g0 || $Slic3r::gcode_flavor eq 'mach3') && defined $params{move_z}) {
# combine Z change and retraction
my $travel = [undef, $params{move_z}, $retract->[2], 'change layer and retract'];
$gcode .= $self->G0(@$travel);
} else {
$gcode .= $self->G1(@$retract);
if (defined $params{move_z} && $Slic3r::retract_lift > 0) {
my $travel = [undef, $params{move_z} + $Slic3r::retract_lift, 0, 'move to next layer (' . $self->layer->id . ') and lift'];
$gcode .= $self->G0(@$travel);
$self->lifted(1);
} elsif ($lift) {
$gcode .= $self->G1(@$lift);
}
}
$self->retracted(1);
$self->lifted(1) if $lift;
# reset extrusion distance during retracts
# this makes sure we leave sufficient precision in the firmware
if (!$Slic3r::use_relative_e_distances && $Slic3r::gcode_flavor !~ /^(?:mach3|makerbot)$/) {
$gcode .= "G92 " . $Slic3r::extrusion_axis . "0\n" if $Slic3r::extrusion_axis;
$self->extrusion_distance(0);
}
return $gcode;
}
sub unretract {
my $self = shift;
$self->retracted(0);
my $gcode = "";
if ($self->lifted) {
$gcode .= $self->G0(undef, $self->z - $Slic3r::retract_lift, 0, 'restore layer Z');
$self->lifted(0);
}
$self->speed('retract');
$gcode .= $self->G0(undef, undef, ($Slic3r::retract_length + $Slic3r::retract_restart_extra),
"compensate retraction");
return $gcode;
}
sub set_acceleration {
my $self = shift;
my ($acceleration) = @_;
return "" unless $Slic3r::acceleration;
return sprintf "M201 E%s%s\n",
$acceleration, ($Slic3r::gcode_comments ? ' ; adjust acceleration' : '');
}
sub G0 {
my $self = shift;
return $self->G1(@_) if !($Slic3r::g0 || $Slic3r::gcode_flavor eq 'mach3');
return $self->_G0_G1("G0", @_);
}
sub G1 {
my $self = shift;
return $self->_G0_G1("G1", @_);
}
sub _G0_G1 {
my $self = shift;
my ($gcode, $point, $z, $e, $comment) = @_;
my $dec = $self->dec;
if ($point) {
$gcode .= sprintf " X%.${dec}f Y%.${dec}f",
($point->x * $Slic3r::scaling_factor) + $self->shift_x,
($point->y * $Slic3r::scaling_factor) + $self->shift_y; #**
$self->last_pos($point);
}
if (defined $z && $z != $self->z) {
$self->z($z);
$gcode .= sprintf " Z%.${dec}f", $z;
}
return $self->_Gx($gcode, $e, $comment);
}
sub G2_G3 {
my $self = shift;
my ($point, $orientation, $center, $e, $comment) = @_;
my $dec = $self->dec;
my $gcode = $orientation eq 'cw' ? "G2" : "G3";
$gcode .= sprintf " X%.${dec}f Y%.${dec}f",
($point->x * $Slic3r::scaling_factor) + $self->shift_x,
($point->y * $Slic3r::scaling_factor) + $self->shift_y; #**
# XY distance of the center from the start position
$gcode .= sprintf " I%.${dec}f J%.${dec}f",
($center->[X] - $self->last_pos->[X]) * $Slic3r::scaling_factor,
($center->[Y] - $self->last_pos->[Y]) * $Slic3r::scaling_factor;
$self->last_pos($point);
return $self->_Gx($gcode, $e, $comment);
}
sub _Gx {
my $self = shift;
my ($gcode, $e, $comment) = @_;
my $dec = $self->dec;
# determine speed
my $speed = ($e ? $self->speed : 'travel');
# output speed if it's different from last one used
# (goal: reduce gcode size)
my $append_bridge_off = 0;
if ($speed ne $self->last_speed) {
if ($speed eq 'bridge') {
$gcode = ";_BRIDGE_FAN_START\n$gcode";
} elsif ($self->last_speed eq 'bridge') {
$append_bridge_off = 1;
}
# apply the speed reduction for print moves on bottom layer
my $speed_f = $self->speeds->{$speed};
if ($e && $self->layer->id == 0 && $comment !~ /retract/) {
$speed_f = $Slic3r::first_layer_speed =~ /^(\d+(?:\.\d+)?)%$/
? ($speed_f * $1/100)
: $Slic3r::first_layer_speed * 60;
}
$gcode .= sprintf " F%.${dec}f", $speed_f;
$self->last_speed($speed);
}
# output extrusion distance
if ($e && $Slic3r::extrusion_axis) {
$self->extrusion_distance(0) if $Slic3r::use_relative_e_distances;
$self->extrusion_distance($self->extrusion_distance + $e);
$self->total_extrusion_length($self->total_extrusion_length + $e);
$gcode .= sprintf " %s%.5f", $Slic3r::extrusion_axis, $self->extrusion_distance;
}
$gcode .= sprintf " ; %s", $comment if $comment && $Slic3r::gcode_comments;
if ($append_bridge_off) {
$gcode .= "\n;_BRIDGE_FAN_END";
}
return "$gcode\n";
}
sub set_tool {
my $self = shift;
my ($tool) = @_;
return $self->retract . sprintf "T%d%s\n", $tool, ($Slic3r::gcode_comments ? ' ; change tool' : '');
}
sub set_fan {
my $self = shift;
my ($speed, $dont_save) = @_;
if ($self->last_fan_speed != $speed || $dont_save) {
$self->last_fan_speed($speed) if !$dont_save;
if ($speed == 0) {
return sprintf "M107%s\n", ($Slic3r::gcode_comments ? ' ; disable fan' : '');
} else {
return sprintf "M106 %s%d%s\n", ($Slic3r::gcode_flavor eq 'mach3' ? 'P' : 'S'),
(255 * $speed / 100), ($Slic3r::gcode_comments ? ' ; enable fan' : '');
}
}
return "";
}
sub set_temperature {
my $self = shift;
my ($temperature, $wait) = @_;
return "" if $wait && $Slic3r::gcode_flavor eq 'makerbot';
my ($code, $comment) = $wait
? ('M109', 'wait for temperature to be reached')
: ('M104', 'set temperature');
return sprintf "$code %s%d ; $comment\n",
($Slic3r::gcode_flavor eq 'mach3' ? 'P' : 'S'), $temperature;
}
sub set_bed_temperature {
my $self = shift;
my ($temperature, $wait) = @_;
my ($code, $comment) = $wait
? (($Slic3r::gcode_flavor eq 'makerbot' ? 'M109' : 'M190'), 'wait for bed temperature to be reached')
: ('M140', 'set bed temperature');
return sprintf "$code %s%d ; $comment\n",
($Slic3r::gcode_flavor eq 'mach3' ? 'P' : 'S'), $temperature;
return Slic3r::Flow->new(nozzle_diameter => $self->nozzle_diameter, @_);
}
1;

View File

@ -147,7 +147,7 @@ sub make_fill {
$filler = $Slic3r::solid_fill_pattern;
if ($is_bridge) {
$filler = 'rectilinear';
$flow_spacing = sqrt($Slic3r::bridge_flow_ratio * ($Slic3r::nozzle_diameter**2));
$flow_spacing = sqrt($Slic3r::bridge_flow_ratio * ($layer->infill_flow->nozzle_diameter**2));
} elsif ($surface->surface_type == S_TYPE_INTERNALSOLID) {
$filler = 'rectilinear';
}

View File

@ -3,48 +3,47 @@ use Moo;
use Slic3r::Geometry qw(PI);
has 'nozzle_diameter' => (is => 'rw', required => 1);
has 'layer_height' => (is => 'rw', default => sub { $Slic3r::layer_height });
has 'width' => (is => 'rw');
has 'min_spacing' => (is => 'rw');
has 'spacing' => (is => 'rw');
has 'layer_height' => (is => 'lazy', builder => 1);
sub _build_layer_height { $Slic3r::layer_height }
sub calculate {
sub BUILD {
my $self = shift;
my ($extrusion_width) = @_;
my ($flow_width, $min_flow_spacing, $flow_spacing);
if ($extrusion_width) {
$flow_width = $extrusion_width =~ /^(\d+(?:\.\d+)?)%$/
if ($self->width) {
$flow_width = $self->width =~ /^(\d+(?:\.\d+)?)%$/
? ($self->layer_height * $1 / 100)
: $extrusion_width;
: $self->width;
} else {
# here we calculate a sane default by matching the flow speed (at the nozzle)
# and the feed rate
my $volume = ($Slic3r::nozzle_diameter**2) * PI/4;
my $shape_threshold = $Slic3r::nozzle_diameter * $self->layer_height
my $volume = ($self->nozzle_diameter**2) * PI/4;
my $shape_threshold = $self->nozzle_diameter * $self->layer_height
+ ($self->layer_height**2) * PI/4;
if ($volume >= $shape_threshold) {
# rectangle with semicircles at the ends
$flow_width = (($Slic3r::nozzle_diameter**2) * PI + ($self->layer_height**2) * (4 - PI)) / (4 * $self->layer_height);
$flow_width = (($self->nozzle_diameter**2) * PI + ($self->layer_height**2) * (4 - PI)) / (4 * $self->layer_height);
} else {
# rectangle with squished semicircles at the ends
$flow_width = $Slic3r::nozzle_diameter * ($Slic3r::nozzle_diameter/$self->layer_height - 4/PI + 1);
$flow_width = $self->nozzle_diameter * ($self->nozzle_diameter/$self->layer_height - 4/PI + 1);
}
my $min_flow_width = $Slic3r::nozzle_diameter * 1.05;
my $max_flow_width = $Slic3r::nozzle_diameter * 1.4;
my $min_flow_width = $self->nozzle_diameter * 1.05;
my $max_flow_width = $self->nozzle_diameter * 1.4;
$flow_width = $max_flow_width if $flow_width > $max_flow_width;
$flow_width = $min_flow_width if $flow_width < $min_flow_width;
}
if ($flow_width >= ($Slic3r::nozzle_diameter + $self->layer_height)) {
if ($flow_width >= ($self->nozzle_diameter + $self->layer_height)) {
# rectangle with semicircles at the ends
$min_flow_spacing = $flow_width - $self->layer_height * (1 - PI/4);
} else {
# rectangle with shrunk semicircles at the ends
$min_flow_spacing = $flow_width * (1 - PI/4) + $Slic3r::nozzle_diameter * PI/4;
$min_flow_spacing = $flow_width * (1 - PI/4) + $self->nozzle_diameter * PI/4;
}
$flow_spacing = $flow_width - $Slic3r::overlap_factor * ($flow_width - $min_flow_spacing);

420
lib/Slic3r/GCode.pm Normal file
View File

@ -0,0 +1,420 @@
package Slic3r::GCode;
use Moo;
use Slic3r::ExtrusionPath ':roles';
use Slic3r::Geometry qw(scale unscale);
has 'layer' => (is => 'rw');
has 'shift_x' => (is => 'rw', default => sub {0} );
has 'shift_y' => (is => 'rw', default => sub {0} );
has 'z' => (is => 'rw', default => sub {0} );
has 'speed' => (is => 'rw');
has 'extruder' => (is => 'rw', default => sub { $Slic3r::extruders->[0] });
has 'extrusion_distance' => (is => 'rw', default => sub {0} );
has 'elapsed_time' => (is => 'rw', default => sub {0} ); # seconds
has 'total_extrusion_length' => (is => 'rw', default => sub {0} );
has 'retracted' => (is => 'rw', default => sub {1} ); # this spits out some plastic at start
has 'lifted' => (is => 'rw', default => sub {0} );
has 'last_pos' => (is => 'rw', default => sub { Slic3r::Point->new(0,0) } );
has 'last_speed' => (is => 'rw', default => sub {""});
has 'last_fan_speed' => (is => 'rw', default => sub {0});
has 'dec' => (is => 'ro', default => sub { 3 } );
# calculate speeds (mm/min)
has 'speeds' => (
is => 'ro',
default => sub {{
travel => 60 * Slic3r::Config->get('travel_speed'),
perimeter => 60 * Slic3r::Config->get('perimeter_speed'),
small_perimeter => 60 * Slic3r::Config->get('small_perimeter_speed'),
external_perimeter => 60 * Slic3r::Config->get('external_perimeter_speed'),
infill => 60 * Slic3r::Config->get('infill_speed'),
solid_infill => 60 * Slic3r::Config->get('solid_infill_speed'),
top_solid_infill => 60 * Slic3r::Config->get('top_solid_infill_speed'),
bridge => 60 * Slic3r::Config->get('bridge_speed'),
retract => 60 * Slic3r::Config->get('retract_speed'),
}},
);
my %role_speeds = (
&EXTR_ROLE_PERIMETER => 'perimeter',
&EXTR_ROLE_SMALLPERIMETER => 'small_perimeter',
&EXTR_ROLE_EXTERNAL_PERIMETER => 'external_perimeter',
&EXTR_ROLE_CONTOUR_INTERNAL_PERIMETER => 'perimeter',
&EXTR_ROLE_FILL => 'infill',
&EXTR_ROLE_SOLIDFILL => 'solid_infill',
&EXTR_ROLE_TOPSOLIDFILL => 'top_solid_infill',
&EXTR_ROLE_BRIDGE => 'bridge',
&EXTR_ROLE_SKIRT => 'perimeter',
&EXTR_ROLE_SUPPORTMATERIAL => 'perimeter',
);
use Slic3r::Geometry qw(points_coincide PI X Y);
sub change_layer {
my $self = shift;
my ($layer) = @_;
$self->layer($layer);
my $z = $Slic3r::z_offset + $layer->print_z * $Slic3r::scaling_factor;
my $gcode = "";
$gcode .= $self->retract(move_z => $z);
$gcode .= $self->G0(undef, $z, 0, 'move to next layer (' . $layer->id . ')')
if $self->z != $z && !$self->lifted;
$gcode .= Slic3r::Config->replace_options($Slic3r::layer_gcode) . "\n"
if $Slic3r::layer_gcode;
return $gcode;
}
sub extrude {
my $self = shift;
if ($_[0]->isa('Slic3r::ExtrusionLoop')) {
$self->extrude_loop(@_);
} else {
$_[0]->deserialize;
$self->extrude_path(@_);
}
}
sub extrude_loop {
my $self = shift;
my ($loop, $description) = @_;
# extrude all loops ccw
$loop->deserialize;
$loop->polygon->make_counter_clockwise;
# find the point of the loop that is closest to the current extruder position
# or randomize if requested
my $last_pos = $self->last_pos;
if ($Slic3r::randomize_start && $loop->role == EXTR_ROLE_CONTOUR_INTERNAL_PERIMETER) {
srand $self->layer->id * 10;
$last_pos = Slic3r::Point->new(scale $Slic3r::print_center->[X], scale $Slic3r::bed_size->[Y]);
$last_pos->rotate(rand(2*PI), $Slic3r::print_center);
}
my $start_at = $loop->nearest_point_to($last_pos);
# split the loop at the starting point and make a path
my $extrusion_path = $loop->split_at($start_at);
$extrusion_path->deserialize;
# clip the path to avoid the extruder to get exactly on the first point of the loop;
# if polyline was shorter than the clipping distance we'd get a null polyline, so
# we discard it in that case
$extrusion_path->clip_end(scale($self->layer ? $self->layer->flow->width : $Slic3r::flow->width) * 0.15);
return '' if !@{$extrusion_path->polyline};
# extrude along the path
return $self->extrude_path($extrusion_path, $description);
}
sub extrude_path {
my $self = shift;
my ($path, $description, $recursive) = @_;
$path->merge_continuous_lines;
# detect arcs
if ($Slic3r::gcode_arcs && !$recursive) {
my $gcode = "";
foreach my $arc_path ($path->detect_arcs) {
$arc_path->deserialize;
$gcode .= $self->extrude_path($arc_path, $description, 1);
}
return $gcode;
}
my $gcode = "";
# retract if distance from previous position is greater or equal to the one
# specified by the user *and* to the maximum distance between infill lines
{
my $distance_from_last_pos = $self->last_pos->distance_to($path->points->[0]) * $Slic3r::scaling_factor;
my $distance_threshold = $Slic3r::retract_before_travel;
$distance_threshold = 2 * ($self->layer ? $self->layer->flow->width : $Slic3r::flow->width) / $Slic3r::fill_density * sqrt(2)
if 0 && $Slic3r::fill_density > 0 && $description =~ /fill/;
if ($distance_from_last_pos >= $distance_threshold) {
$gcode .= $self->retract(travel_to => $path->points->[0]);
}
}
# go to first point of extrusion path
$gcode .= $self->G0($path->points->[0], undef, 0, "move to first $description point")
if !points_coincide($self->last_pos, $path->points->[0]);
# compensate retraction
$gcode .= $self->unretract if $self->retracted;
# calculate extrusion length per distance unit
my $s = $path->flow_spacing || $self->layer ? $self->layer->flow->spacing : $Slic3r::flow->spacing;
my $h = $path->depth_layers * $self->layer->height;
my $w = ($s - ($self->layer ? $self->layer->flow->min_spacing : $Slic3r::flow->min_spacing) * $Slic3r::overlap_factor) / (1 - $Slic3r::overlap_factor);
my $area;
if ($path->role == EXTR_ROLE_BRIDGE) {
$area = ($s**2) * PI/4;
} elsif ($w >= ($self->extruder->nozzle_diameter + $h)) {
# rectangle with semicircles at the ends
$area = $w * $h + ($h**2) / 4 * (PI - 4);
} else {
# rectangle with shrunk semicircles at the ends
$area = $self->extruder->nozzle_diameter * $h * (1 - PI/4) + $h * $w * PI/4;
}
my $e = $self->extruder->e_per_mmc * $area;
# extrude arc or line
$self->speed( $role_speeds{$path->role} || die "Unknown role: " . $path->role );
my $path_length = 0;
if ($path->isa('Slic3r::ExtrusionPath::Arc')) {
$path_length = $path->length;
$gcode .= $self->G2_G3($path->points->[-1], $path->orientation,
$path->center, $e * $path_length, $description);
} else {
foreach my $line ($path->lines) {
my $line_length = $line->length;
$path_length += $line_length;
$gcode .= $self->G1($line->b, undef, $e * $line_length, $description);
}
}
if ($Slic3r::cooling) {
my $path_time = unscale($path_length) / $self->speeds->{$self->last_speed} * 60;
if ($self->layer->id == 0) {
$path_time = $Slic3r::first_layer_speed =~ /^(\d+(?:\.\d+)?)%$/
? $path_time / ($1/100)
: unscale($path_length) / $Slic3r::first_layer_speed * 60;
}
$self->elapsed_time($self->elapsed_time + $path_time);
}
return $gcode;
}
sub retract {
my $self = shift;
my %params = @_;
return "" unless $Slic3r::retract_length > 0
&& !$self->retracted;
# prepare moves
$self->speed('retract');
my $retract = [undef, undef, -$Slic3r::retract_length, "retract"];
my $lift = ($Slic3r::retract_lift == 0 || defined $params{move_z})
? undef
: [undef, $self->z + $Slic3r::retract_lift, 0, 'lift plate during retraction'];
my $gcode = "";
if (($Slic3r::g0 || $Slic3r::gcode_flavor eq 'mach3') && $params{travel_to}) {
if ($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);
}
} elsif (($Slic3r::g0 || $Slic3r::gcode_flavor eq 'mach3') && defined $params{move_z}) {
# combine Z change and retraction
my $travel = [undef, $params{move_z}, $retract->[2], 'change layer and retract'];
$gcode .= $self->G0(@$travel);
} else {
$gcode .= $self->G1(@$retract);
if (defined $params{move_z} && $Slic3r::retract_lift > 0) {
my $travel = [undef, $params{move_z} + $Slic3r::retract_lift, 0, 'move to next layer (' . $self->layer->id . ') and lift'];
$gcode .= $self->G0(@$travel);
$self->lifted(1);
} elsif ($lift) {
$gcode .= $self->G1(@$lift);
}
}
$self->retracted(1);
$self->lifted(1) if $lift;
# reset extrusion distance during retracts
# this makes sure we leave sufficient precision in the firmware
if (!$Slic3r::use_relative_e_distances && $Slic3r::gcode_flavor !~ /^(?:mach3|makerbot)$/) {
$gcode .= "G92 " . $Slic3r::extrusion_axis . "0\n" if $Slic3r::extrusion_axis;
$self->extrusion_distance(0);
}
return $gcode;
}
sub unretract {
my $self = shift;
$self->retracted(0);
my $gcode = "";
if ($self->lifted) {
$gcode .= $self->G0(undef, $self->z - $Slic3r::retract_lift, 0, 'restore layer Z');
$self->lifted(0);
}
$self->speed('retract');
$gcode .= $self->G0(undef, undef, ($Slic3r::retract_length + $Slic3r::retract_restart_extra),
"compensate retraction");
return $gcode;
}
sub set_acceleration {
my $self = shift;
my ($acceleration) = @_;
return "" unless $Slic3r::acceleration;
return sprintf "M201 E%s%s\n",
$acceleration, ($Slic3r::gcode_comments ? ' ; adjust acceleration' : '');
}
sub G0 {
my $self = shift;
return $self->G1(@_) if !($Slic3r::g0 || $Slic3r::gcode_flavor eq 'mach3');
return $self->_G0_G1("G0", @_);
}
sub G1 {
my $self = shift;
return $self->_G0_G1("G1", @_);
}
sub _G0_G1 {
my $self = shift;
my ($gcode, $point, $z, $e, $comment) = @_;
my $dec = $self->dec;
if ($point) {
$gcode .= sprintf " X%.${dec}f Y%.${dec}f",
($point->x * $Slic3r::scaling_factor) + $self->shift_x,
($point->y * $Slic3r::scaling_factor) + $self->shift_y; #**
$self->last_pos($point);
}
if (defined $z && $z != $self->z) {
$self->z($z);
$gcode .= sprintf " Z%.${dec}f", $z;
}
return $self->_Gx($gcode, $e, $comment);
}
sub G2_G3 {
my $self = shift;
my ($point, $orientation, $center, $e, $comment) = @_;
my $dec = $self->dec;
my $gcode = $orientation eq 'cw' ? "G2" : "G3";
$gcode .= sprintf " X%.${dec}f Y%.${dec}f",
($point->x * $Slic3r::scaling_factor) + $self->shift_x,
($point->y * $Slic3r::scaling_factor) + $self->shift_y; #**
# XY distance of the center from the start position
$gcode .= sprintf " I%.${dec}f J%.${dec}f",
($center->[X] - $self->last_pos->[X]) * $Slic3r::scaling_factor,
($center->[Y] - $self->last_pos->[Y]) * $Slic3r::scaling_factor;
$self->last_pos($point);
return $self->_Gx($gcode, $e, $comment);
}
sub _Gx {
my $self = shift;
my ($gcode, $e, $comment) = @_;
my $dec = $self->dec;
# determine speed
my $speed = ($e ? $self->speed : 'travel');
# output speed if it's different from last one used
# (goal: reduce gcode size)
my $append_bridge_off = 0;
if ($speed ne $self->last_speed) {
if ($speed eq 'bridge') {
$gcode = ";_BRIDGE_FAN_START\n$gcode";
} elsif ($self->last_speed eq 'bridge') {
$append_bridge_off = 1;
}
# apply the speed reduction for print moves on bottom layer
my $speed_f = $self->speeds->{$speed};
if ($e && $self->layer->id == 0 && $comment !~ /retract/) {
$speed_f = $Slic3r::first_layer_speed =~ /^(\d+(?:\.\d+)?)%$/
? ($speed_f * $1/100)
: $Slic3r::first_layer_speed * 60;
}
$gcode .= sprintf " F%.${dec}f", $speed_f;
$self->last_speed($speed);
}
# output extrusion distance
if ($e && $Slic3r::extrusion_axis) {
$self->extrusion_distance(0) if $Slic3r::use_relative_e_distances;
$self->extrusion_distance($self->extrusion_distance + $e);
$self->total_extrusion_length($self->total_extrusion_length + $e);
$gcode .= sprintf " %s%.5f", $Slic3r::extrusion_axis, $self->extrusion_distance;
}
$gcode .= sprintf " ; %s", $comment if $comment && $Slic3r::gcode_comments;
if ($append_bridge_off) {
$gcode .= "\n;_BRIDGE_FAN_END";
}
return "$gcode\n";
}
sub set_tool {
my $self = shift;
my ($tool) = @_;
return $self->retract . sprintf "T%d%s\n", $tool, ($Slic3r::gcode_comments ? ' ; change tool' : '');
}
sub set_fan {
my $self = shift;
my ($speed, $dont_save) = @_;
if ($self->last_fan_speed != $speed || $dont_save) {
$self->last_fan_speed($speed) if !$dont_save;
if ($speed == 0) {
return sprintf "M107%s\n", ($Slic3r::gcode_comments ? ' ; disable fan' : '');
} else {
return sprintf "M106 %s%d%s\n", ($Slic3r::gcode_flavor eq 'mach3' ? 'P' : 'S'),
(255 * $speed / 100), ($Slic3r::gcode_comments ? ' ; enable fan' : '');
}
}
return "";
}
sub set_temperature {
my $self = shift;
my ($temperature, $wait) = @_;
return "" if $wait && $Slic3r::gcode_flavor eq 'makerbot';
my ($code, $comment) = $wait
? ('M109', 'wait for temperature to be reached')
: ('M104', 'set temperature');
return sprintf "$code %s%d ; $comment\n",
($Slic3r::gcode_flavor eq 'mach3' ? 'P' : 'S'), $temperature;
}
sub set_bed_temperature {
my $self = shift;
my ($temperature, $wait) = @_;
my ($code, $comment) = $wait
? (($Slic3r::gcode_flavor eq 'makerbot' ? 'M109' : 'M190'), 'wait for bed temperature to be reached')
: ('M140', 'set bed temperature');
return sprintf "$code %s%d ; $comment\n",
($Slic3r::gcode_flavor eq 'mach3' ? 'P' : 'S'), $temperature;
}
1;

View File

@ -26,6 +26,9 @@ sub new {
foreach my $opt_key (@{$p{options}}) {
my $index;
$opt_key =~ s/#(\d+)$// and $index = $1;
my $opt = $Slic3r::Config::Options->{$opt_key};
my $label = Wx::StaticText->new($parent, -1, "$opt->{label}:", Wx::wxDefaultPosition,
[$p{label_width} || 180, -1]);
@ -44,12 +47,28 @@ sub new {
$size = Wx::Size->new($opt->{width} || -1, $opt->{height} || -1);
}
my ($get, $set) = $opt->{type} eq 's@' ? qw(serialize deserialize) : qw(get_raw set);
# if it's an array type but no index was specified, use the serialized version
my ($get_m, $set_m) = $opt->{type} =~ /\@$/ && !defined $index
? qw(serialize deserialize)
: qw(get_raw set);
$field = Wx::TextCtrl->new($parent, -1, Slic3r::Config->$get($opt_key),
Wx::wxDefaultPosition, $size, $style);
EVT_TEXT($parent, $field, sub { Slic3r::Config->$set($opt_key, $field->GetValue) });
push @reload_callbacks, sub { $field->SetValue(Slic3r::Config->$get($opt_key)) };
my $get = sub {
my $val = Slic3r::Config->$get_m($opt_key);
$val = $val->[$index] if defined $index;
return $val;
};
$field = Wx::TextCtrl->new($parent, -1, $get->(), Wx::wxDefaultPosition, $size, $style);
push @reload_callbacks, sub { $field->SetValue($get->()) };
my $set = sub {
my $val = $field->GetValue;
if (defined $index) {
Slic3r::Config->$get_m($opt_key)->[$index] = $val;
} else {
Slic3r::Config->$set_m($opt_key, $val);
}
};
EVT_TEXT($parent, $field, sub { $set->() });
} elsif ($opt->{type} eq 'bool') {
$field = Wx::CheckBox->new($parent, -1, "");
$field->SetValue(Slic3r::Config->get_raw($opt_key));

View File

@ -21,14 +21,15 @@ sub new {
my ($parent) = @_;
my $self = $class->SUPER::new($parent, -1);
no warnings 'qw';
my %panels = (
printer => {
title => 'Printer',
options => [qw(nozzle_diameter bed_size print_center z_offset gcode_flavor use_relative_e_distances)],
options => [qw(nozzle_diameter#0 bed_size print_center z_offset gcode_flavor use_relative_e_distances)],
},
filament => {
title => 'Filament',
options => [qw(filament_diameter extrusion_multiplier temperature first_layer_temperature bed_temperature first_layer_bed_temperature)],
options => [qw(filament_diameter#0 extrusion_multiplier#0 temperature first_layer_temperature bed_temperature first_layer_bed_temperature)],
},
print_speed => {
title => 'Print speed',

View File

@ -507,21 +507,21 @@ sub write_gcode {
print $fh "\n";
# set up our extruder object
my $extruder = Slic3r::Extruder->new;
my $gcodegen = Slic3r::GCode->new;
my $min_print_speed = 60 * $Slic3r::min_print_speed;
my $dec = $extruder->dec;
my $dec = $gcodegen->dec;
if ($Slic3r::support_material && $Slic3r::support_material_tool > 0) {
print $fh $extruder->set_tool(0);
print $fh $gcodegen->set_tool(0);
}
print $fh $extruder->set_fan(0, 1) if $Slic3r::cooling && $Slic3r::disable_fan_first_layers;
print $fh $gcodegen->set_fan(0, 1) if $Slic3r::cooling && $Slic3r::disable_fan_first_layers;
# write start commands to file
printf $fh $extruder->set_bed_temperature($Slic3r::first_layer_bed_temperature, 1),
printf $fh $gcodegen->set_bed_temperature($Slic3r::first_layer_bed_temperature, 1),
if $Slic3r::first_layer_bed_temperature && $Slic3r::start_gcode !~ /M190/i;
printf $fh $extruder->set_temperature($Slic3r::first_layer_temperature)
printf $fh $gcodegen->set_temperature($Slic3r::first_layer_temperature)
if $Slic3r::first_layer_temperature;
printf $fh "%s\n", Slic3r::Config->replace_options($Slic3r::start_gcode);
printf $fh $extruder->set_temperature($Slic3r::first_layer_temperature, 1)
printf $fh $gcodegen->set_temperature($Slic3r::first_layer_temperature, 1)
if $Slic3r::first_layer_temperature && $Slic3r::start_gcode !~ /M109/i;
print $fh "G90 ; use absolute coordinates\n";
print $fh "G21 ; set units to millimeters\n";
@ -551,31 +551,31 @@ sub write_gcode {
my $gcode = "";
if ($layer_id == 1) {
$gcode .= $extruder->set_temperature($Slic3r::temperature)
$gcode .= $gcodegen->set_temperature($Slic3r::temperature)
if $Slic3r::temperature && $Slic3r::temperature != $Slic3r::first_layer_temperature;
$gcode .= $extruder->set_bed_temperature($Slic3r::bed_temperature)
$gcode .= $gcodegen->set_bed_temperature($Slic3r::bed_temperature)
if $Slic3r::first_layer_bed_temperature && $Slic3r::bed_temperature != $Slic3r::first_layer_bed_temperature;
}
# go to layer (just use the first one, we only need Z from it)
$gcode .= $extruder->change_layer($self->objects->[$object_copies->[0][0]]->layers->[$layer_id]);
$extruder->elapsed_time(0);
$gcode .= $gcodegen->change_layer($self->objects->[$object_copies->[0][0]]->layers->[$layer_id]);
$gcodegen->elapsed_time(0);
# extrude skirt
if ($skirt_done < $Slic3r::skirt_height) {
$extruder->shift_x($shift[X]);
$extruder->shift_y($shift[Y]);
$gcode .= $extruder->set_acceleration($Slic3r::perimeter_acceleration);
$gcodegen->shift_x($shift[X]);
$gcodegen->shift_y($shift[Y]);
$gcode .= $gcodegen->set_acceleration($Slic3r::perimeter_acceleration);
# skip skirt if we have a large brim
if ($layer_id < $Slic3r::skirt_height && ($layer_id != 0 || $Slic3r::skirt_distance + ($Slic3r::skirts * $Slic3r::flow->width) > $Slic3r::brim_width)) {
$gcode .= $extruder->extrude_loop($_, 'skirt') for @{$self->skirt};
$gcode .= $gcodegen->extrude_loop($_, 'skirt') for @{$self->skirt};
}
$skirt_done++;
}
# extrude brim
if ($layer_id == 0) {
$gcode .= $extruder->extrude_loop($_, 'brim') for @{$self->brim};
$gcode .= $gcodegen->extrude_loop($_, 'brim') for @{$self->brim};
}
for my $obj_copy (@$object_copies) {
@ -584,28 +584,28 @@ sub write_gcode {
# retract explicitely because changing the shift_[xy] properties below
# won't always trigger the automatic retraction
$gcode .= $extruder->retract;
$gcode .= $gcodegen->retract;
$extruder->shift_x($shift[X] + unscale $copy->[X]);
$extruder->shift_y($shift[Y] + unscale $copy->[Y]);
$gcodegen->shift_x($shift[X] + unscale $copy->[X]);
$gcodegen->shift_y($shift[Y] + unscale $copy->[Y]);
# extrude perimeters
$gcode .= $extruder->extrude($_, 'perimeter') for @{ $layer->perimeters };
$gcode .= $gcodegen->extrude($_, 'perimeter') for @{ $layer->perimeters };
# extrude fills
$gcode .= $extruder->set_acceleration($Slic3r::infill_acceleration);
$gcode .= $gcodegen->set_acceleration($Slic3r::infill_acceleration);
for my $fill (@{ $layer->fills }) {
$gcode .= $extruder->extrude_path($_, 'fill')
for $fill->shortest_path($extruder->last_pos);
$gcode .= $gcodegen->extrude_path($_, 'fill')
for $fill->shortest_path($gcodegen->last_pos);
}
# extrude support material
if ($layer->support_fills) {
$gcode .= $extruder->set_tool($Slic3r::support_material_tool)
$gcode .= $gcodegen->set_tool($Slic3r::support_material_tool)
if $Slic3r::support_material_tool > 0;
$gcode .= $extruder->extrude_path($_, 'support material')
for $layer->support_fills->shortest_path($extruder->last_pos);
$gcode .= $extruder->set_tool(0)
$gcode .= $gcodegen->extrude_path($_, 'support material')
for $layer->support_fills->shortest_path($gcodegen->last_pos);
$gcode .= $gcodegen->set_tool(0)
if $Slic3r::support_material_tool > 0;
}
}
@ -614,7 +614,7 @@ sub write_gcode {
my $fan_speed = $Slic3r::fan_always_on ? $Slic3r::min_fan_speed : 0;
my $speed_factor = 1;
if ($Slic3r::cooling) {
my $layer_time = $extruder->elapsed_time;
my $layer_time = $gcodegen->elapsed_time;
Slic3r::debugf "Layer %d estimated printing time: %d seconds\n", $layer_id, $layer_time;
if ($layer_time < $Slic3r::slowdown_below_layer_time) {
$fan_speed = $Slic3r::max_fan_speed;
@ -634,14 +634,14 @@ sub write_gcode {
}
$fan_speed = 0 if $layer_id < $Slic3r::disable_fan_first_layers;
}
$gcode = $extruder->set_fan($fan_speed) . $gcode;
$gcode = $gcodegen->set_fan($fan_speed) . $gcode;
# bridge fan speed
if (!$Slic3r::cooling || $Slic3r::bridge_fan_speed == 0 || $layer_id < $Slic3r::disable_fan_first_layers) {
$gcode =~ s/^;_BRIDGE_FAN_(?:START|END)\n//gm;
} else {
$gcode =~ s/^;_BRIDGE_FAN_START\n/ $extruder->set_fan($Slic3r::bridge_fan_speed, 1) /gmex;
$gcode =~ s/^;_BRIDGE_FAN_END\n/ $extruder->set_fan($fan_speed, 1) /gmex;
$gcode =~ s/^;_BRIDGE_FAN_START\n/ $gcodegen->set_fan($Slic3r::bridge_fan_speed, 1) /gmex;
$gcode =~ s/^;_BRIDGE_FAN_END\n/ $gcodegen->set_fan($fan_speed, 1) /gmex;
}
return $gcode;
@ -661,10 +661,10 @@ sub write_gcode {
# this happens before Z goes down to layer 0 again, so that
# no collision happens hopefully.
if ($finished_objects > 0) {
$extruder->shift_x($shift[X] + unscale $copy->[X]);
$extruder->shift_y($shift[Y] + unscale $copy->[Y]);
print $fh $extruder->retract;
print $fh $extruder->G0(Slic3r::Point->new(0,0), undef, 0, 'move to origin position for next object');
$gcodegen->shift_x($shift[X] + unscale $copy->[X]);
$gcodegen->shift_y($shift[Y] + unscale $copy->[Y]);
print $fh $gcodegen->retract;
print $fh $gcodegen->G0(Slic3r::Point->new(0,0), undef, 0, 'move to origin position for next object');
}
for my $layer_id (0..$#{$self->objects->[$obj_idx]->layers}) {
@ -672,9 +672,9 @@ sub write_gcode {
# another one, set first layer temperatures. this happens before the Z move
# is triggered, so machine has more time to reach such temperatures
if ($layer_id == 0 && $finished_objects > 0) {
printf $fh $extruder->set_bed_temperature($Slic3r::first_layer_bed_temperature),
printf $fh $gcodegen->set_bed_temperature($Slic3r::first_layer_bed_temperature),
if $Slic3r::first_layer_bed_temperature;
printf $fh $extruder->set_temperature($Slic3r::first_layer_temperature)
printf $fh $gcodegen->set_temperature($Slic3r::first_layer_temperature)
if $Slic3r::first_layer_temperature;
}
print $fh $extrude_layer->($layer_id, [[ $obj_idx, $copy ]]);
@ -693,11 +693,11 @@ sub write_gcode {
}
# save statistic data
$self->total_extrusion_length($extruder->total_extrusion_length);
$self->total_extrusion_length($gcodegen->total_extrusion_length);
# write end commands to file
print $fh $extruder->retract;
print $fh $extruder->set_fan(0);
print $fh $gcodegen->retract;
print $fh $gcodegen->set_fan(0);
print $fh "M501 ; reset acceleration\n" if $Slic3r::acceleration;
printf $fh "%s\n", Slic3r::Config->replace_options($Slic3r::end_gcode);
@ -710,7 +710,7 @@ sub write_gcode {
sub total_extrusion_volume {
my $self = shift;
return $self->total_extrusion_length * ($Slic3r::filament_diameter**2) * PI/4 / 1000;
return $self->total_extrusion_length * ($Slic3r::extruders->[0]->filament_diameter**2) * PI/4 / 1000;
}
# this method will return the value of $self->output_file after expanding its