Fix layer ordering when printing objects with different layer heights

This commit is contained in:
Alessandro Ranellucci 2013-03-10 15:36:52 +01:00
parent f670acb4b1
commit f10a4787b2

View File

@ -762,12 +762,13 @@ sub write_gcode {
# prepare the logic to print one layer
my $skirt_done = 0; # count of skirt layers done
my $brim_done = 0;
my $second_layer_things_done = 0;
my $last_obj_copy = "";
my $extrude_layer = sub {
my ($layer_id, $object_copies) = @_;
my ($layer, $object_copies) = @_;
my $gcode = "";
if ($layer_id == 1) {
if (!$second_layer_things_done && $layer->id == 1) {
for my $t (grep $self->extruders->[$_], 0 .. $#{$Slic3r::Config->temperature}) {
$gcode .= $gcodegen->set_temperature($self->extruders->[$t]->temperature, 0, $t)
if $self->extruders->[$t]->temperature && $self->extruders->[$t]->temperature != $self->extruders->[$t]->first_layer_temperature;
@ -777,7 +778,7 @@ sub write_gcode {
}
# set new layer, but don't move Z as support material contact areas may need an intermediate one
$gcode .= $gcodegen->change_layer($self->objects->[$object_copies->[0][0]]->layers->[$layer_id]);
$gcode .= $gcodegen->change_layer($layer);
$gcodegen->elapsed_time(0);
# prepare callback to call as soon as a Z command is generated
@ -793,14 +794,14 @@ sub write_gcode {
$gcode .= $gcodegen->set_extruder($self->extruders->[0]); # move_z requires extruder
$gcode .= $gcodegen->move_z($gcodegen->layer->print_z);
# skip skirt if we have a large brim
if ($layer_id < $Slic3r::Config->skirt_height) {
if ($layer->id < $Slic3r::Config->skirt_height) {
# distribute skirt loops across all extruders
for my $i (0 .. $#{$self->skirt}) {
# when printing layers > 0 ignore 'min_skirt_length' and
# just use the 'skirts' setting; also just use the current extruder
last if ($layer_id > 0) && ($i >= $Slic3r::Config->skirts);
last if ($layer->id > 0) && ($i >= $Slic3r::Config->skirts);
$gcode .= $gcodegen->set_extruder($self->extruders->[ ($i/@{$self->extruders}) % @{$self->extruders} ])
if $layer_id == 0;
if $layer->id == 0;
$gcode .= $gcodegen->extrude_loop($self->skirt->[$i], 'skirt');
}
}
@ -809,7 +810,7 @@ sub write_gcode {
}
# extrude brim
if ($layer_id == 0 && !$brim_done) {
if (!$brim_done) {
$gcode .= $gcodegen->set_extruder($self->extruders->[$Slic3r::Config->support_material_extruder-1]); # move_z requires extruder
$gcode .= $gcodegen->move_z($gcodegen->layer->print_z);
$gcodegen->set_shift(@shift);
@ -818,11 +819,9 @@ sub write_gcode {
$gcodegen->straight_once(1);
}
for my $obj_copy (@$object_copies) {
my ($obj_idx, $copy) = @$obj_copy;
$gcodegen->new_object(1) if $last_obj_copy && $last_obj_copy ne "${obj_idx}_${copy}";
$last_obj_copy = "${obj_idx}_${copy}";
my $layer = $self->objects->[$obj_idx]->layers->[$layer_id];
for my $copy (@$object_copies) {
$gcodegen->new_object(1) if $last_obj_copy && $last_obj_copy ne "$copy";
$last_obj_copy = "$copy";
$gcodegen->set_shift(map $shift[$_] + unscale $copy->[$_], X,Y);
@ -877,7 +876,7 @@ sub write_gcode {
my $speed_factor = 1;
if ($Slic3r::Config->cooling) {
my $layer_time = $gcodegen->elapsed_time;
Slic3r::debugf "Layer %d estimated printing time: %d seconds\n", $layer_id, $layer_time;
Slic3r::debugf "Layer %d estimated printing time: %d seconds\n", $layer->id, $layer_time;
if ($layer_time < $Slic3r::Config->slowdown_below_layer_time) {
$fan_speed = $Slic3r::Config->max_fan_speed;
$speed_factor = $layer_time / $Slic3r::Config->slowdown_below_layer_time;
@ -894,12 +893,12 @@ sub write_gcode {
$1 . sprintf("%.${dec}f", $new_speed < $min_print_speed ? $min_print_speed : $new_speed)
/gexm;
}
$fan_speed = 0 if $layer_id < $Slic3r::Config->disable_fan_first_layers;
$fan_speed = 0 if $layer->id < $Slic3r::Config->disable_fan_first_layers;
}
$gcode = $gcodegen->set_fan($fan_speed) . $gcode;
# bridge fan speed
if (!$Slic3r::Config->cooling || $Slic3r::Config->bridge_fan_speed == 0 || $layer_id < $Slic3r::Config->disable_fan_first_layers) {
if (!$Slic3r::Config->cooling || $Slic3r::Config->bridge_fan_speed == 0 || $layer->id < $Slic3r::Config->disable_fan_first_layers) {
$gcode =~ s/^;_BRIDGE_FAN_(?:START|END)\n//gm;
} else {
$gcode =~ s/^;_BRIDGE_FAN_START\n/ $gcodegen->set_fan($Slic3r::Config->bridge_fan_speed, 1) /gmex;
@ -928,28 +927,24 @@ sub write_gcode {
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}) {
for my $layer (@{$self->objects->[$obj_idx]->layers}) {
# if we are printing the bottom layer of an object, and we have already finished
# another one, set first layer temperatures. this happens before the Z move
# is triggered, so machine has more time to reach such temperatures
if ($layer_id == 0 && $finished_objects > 0) {
if ($layer->id == 0 && $finished_objects > 0) {
printf $fh $gcodegen->set_bed_temperature($Slic3r::Config->first_layer_bed_temperature),
if $Slic3r::Config->first_layer_bed_temperature;
$print_first_layer_temperature->();
}
print $fh $extrude_layer->($layer_id, [[ $obj_idx, $copy ]]);
print $fh $extrude_layer->($layer, [$copy]);
}
$finished_objects++;
}
}
} else {
for my $layer_id (0..$self->layer_count-1) {
my @object_copies = ();
for my $obj_idx (grep $self->objects->[$_]->layers->[$layer_id], 0..$#{$self->objects}) {
push @object_copies, map [ $obj_idx, $_ ], @{ $self->objects->[$obj_idx]->copies };
}
print $fh $extrude_layer->($layer_id, \@object_copies);
}
print $fh $extrude_layer->($_, $_->object->copies)
for sort { $a->print_z <=> $b->print_z }
map @{$_->layers}, @{$self->objects};
}
# save statistic data