mirror of
https://github.com/SoftFever/OrcaSlicer.git
synced 2025-11-02 20:51:23 -07:00
Multiple objects autoplating (--merge, from command line only)
This commit is contained in:
Alessandro Ranellucci
parent
222e9df7f9
commit
ed4a5739f6
10 changed files with 692 additions and 651 deletions
399
lib/Slic3r/Print/Object.pm
Normal file
399
lib/Slic3r/Print/Object.pm
Normal file
|
|
@ -0,0 +1,399 @@
|
|||
package Slic3r::Print::Object;
|
||||
use Moo;
|
||||
|
||||
use Slic3r::Geometry qw(scale);
|
||||
use Slic3r::Geometry::Clipper qw(diff_ex intersection_ex union_ex);
|
||||
|
||||
has 'x_length' => (is => 'ro', required => 1);
|
||||
has 'y_length' => (is => 'ro', required => 1);
|
||||
|
||||
has 'layers' => (
|
||||
traits => ['Array'],
|
||||
is => 'rw',
|
||||
#isa => 'ArrayRef[Slic3r::Layer]',
|
||||
default => sub { [] },
|
||||
);
|
||||
|
||||
sub layer_count {
|
||||
my $self = shift;
|
||||
return scalar @{ $self->layers };
|
||||
}
|
||||
|
||||
sub layer {
|
||||
my $self = shift;
|
||||
my ($layer_id) = @_;
|
||||
|
||||
# extend our print by creating all necessary layers
|
||||
|
||||
if ($self->layer_count < $layer_id + 1) {
|
||||
for (my $i = $self->layer_count; $i <= $layer_id; $i++) {
|
||||
push @{ $self->layers }, Slic3r::Layer->new(id => $i);
|
||||
}
|
||||
}
|
||||
|
||||
return $self->layers->[$layer_id];
|
||||
}
|
||||
|
||||
sub detect_surfaces_type {
|
||||
my $self = shift;
|
||||
Slic3r::debugf "Detecting solid surfaces...\n";
|
||||
|
||||
# prepare a reusable subroutine to make surface differences
|
||||
my $surface_difference = sub {
|
||||
my ($subject_surfaces, $clip_surfaces, $result_type) = @_;
|
||||
my $expolygons = diff_ex(
|
||||
[ map { ref $_ eq 'ARRAY' ? $_ : ref $_ eq 'Slic3r::ExPolygon' ? @$_ : $_->p } @$subject_surfaces ],
|
||||
[ map { ref $_ eq 'ARRAY' ? $_ : ref $_ eq 'Slic3r::ExPolygon' ? @$_ : $_->p } @$clip_surfaces ],
|
||||
1,
|
||||
);
|
||||
return grep $_->contour->is_printable,
|
||||
map Slic3r::Surface->new(expolygon => $_, surface_type => $result_type),
|
||||
@$expolygons;
|
||||
};
|
||||
|
||||
for (my $i = 0; $i < $self->layer_count; $i++) {
|
||||
my $layer = $self->layers->[$i];
|
||||
my $upper_layer = $self->layers->[$i+1];
|
||||
my $lower_layer = $i > 0 ? $self->layers->[$i-1] : undef;
|
||||
|
||||
my (@bottom, @top, @internal) = ();
|
||||
|
||||
# find top surfaces (difference between current surfaces
|
||||
# of current layer and upper one)
|
||||
if ($upper_layer) {
|
||||
@top = $surface_difference->($layer->slices, $upper_layer->slices, 'top');
|
||||
} else {
|
||||
# if no upper layer, all surfaces of this one are solid
|
||||
@top = @{$layer->slices};
|
||||
$_->surface_type('top') for @top;
|
||||
}
|
||||
|
||||
# find bottom surfaces (difference between current surfaces
|
||||
# of current layer and lower one)
|
||||
if ($lower_layer) {
|
||||
@bottom = $surface_difference->($layer->slices, $lower_layer->slices, 'bottom');
|
||||
} else {
|
||||
# if no lower layer, all surfaces of this one are solid
|
||||
@bottom = @{$layer->slices};
|
||||
$_->surface_type('bottom') for @bottom;
|
||||
}
|
||||
|
||||
# now, if the object contained a thin membrane, we could have overlapping bottom
|
||||
# and top surfaces; let's do an intersection to discover them and consider them
|
||||
# as bottom surfaces (to allow for bridge detection)
|
||||
if (@top && @bottom) {
|
||||
my $overlapping = intersection_ex([ map $_->p, @top ], [ map $_->p, @bottom ]);
|
||||
Slic3r::debugf " layer %d contains %d membrane(s)\n", $layer->id, scalar(@$overlapping);
|
||||
@top = $surface_difference->([@top], $overlapping, 'top');
|
||||
}
|
||||
|
||||
# find internal surfaces (difference between top/bottom surfaces and others)
|
||||
@internal = $surface_difference->($layer->slices, [@top, @bottom], 'internal');
|
||||
|
||||
# save surfaces to layer
|
||||
@{$layer->slices} = (@bottom, @top, @internal);
|
||||
|
||||
Slic3r::debugf " layer %d has %d bottom, %d top and %d internal surfaces\n",
|
||||
$layer->id, scalar(@bottom), scalar(@top), scalar(@internal);
|
||||
}
|
||||
|
||||
# clip surfaces to the fill boundaries
|
||||
foreach my $layer (@{$self->layers}) {
|
||||
@{$layer->surfaces} = ();
|
||||
foreach my $surface (@{$layer->slices}) {
|
||||
my $intersection = intersection_ex(
|
||||
[ $surface->p ],
|
||||
[ map @$_, @{$layer->fill_boundaries} ],
|
||||
);
|
||||
push @{$layer->surfaces}, map Slic3r::Surface->new
|
||||
(expolygon => $_, surface_type => $surface->surface_type),
|
||||
@$intersection;
|
||||
}
|
||||
|
||||
# free memory
|
||||
@{$layer->fill_boundaries} = ();
|
||||
}
|
||||
}
|
||||
|
||||
sub discover_horizontal_shells {
|
||||
my $self = shift;
|
||||
|
||||
Slic3r::debugf "==> DISCOVERING HORIZONTAL SHELLS\n";
|
||||
|
||||
for (my $i = 0; $i < $self->layer_count; $i++) {
|
||||
my $layer = $self->layers->[$i];
|
||||
foreach my $type (qw(top bottom)) {
|
||||
# find surfaces of current type for current layer
|
||||
# and offset them to take perimeters into account
|
||||
my @surfaces = map $_->offset($Slic3r::perimeters * scale $Slic3r::flow_width),
|
||||
grep $_->surface_type eq $type, @{$layer->fill_surfaces} or next;
|
||||
my $surfaces_p = [ map $_->p, @surfaces ];
|
||||
Slic3r::debugf "Layer %d has %d surfaces of type '%s'\n",
|
||||
$i, scalar(@surfaces), $type;
|
||||
|
||||
for (my $n = $type eq 'top' ? $i-1 : $i+1;
|
||||
abs($n - $i) <= $Slic3r::solid_layers-1;
|
||||
$type eq 'top' ? $n-- : $n++) {
|
||||
|
||||
next if $n < 0 || $n >= $self->layer_count;
|
||||
Slic3r::debugf " looking for neighbors on layer %d...\n", $n;
|
||||
|
||||
my @neighbor_surfaces = @{$self->layers->[$n]->surfaces};
|
||||
my @neighbor_fill_surfaces = @{$self->layers->[$n]->fill_surfaces};
|
||||
|
||||
# find intersection between neighbor and current layer's surfaces
|
||||
# intersections have contours and holes
|
||||
my $new_internal_solid = intersection_ex(
|
||||
$surfaces_p,
|
||||
[ map $_->p, grep $_->surface_type =~ /internal/, @neighbor_surfaces ],
|
||||
undef, 1,
|
||||
);
|
||||
next if !@$new_internal_solid;
|
||||
|
||||
# internal-solid are the union of the existing internal-solid surfaces
|
||||
# and new ones
|
||||
my $internal_solid = union_ex([
|
||||
( map $_->p, grep $_->surface_type eq 'internal-solid', @neighbor_fill_surfaces ),
|
||||
( map @$_, @$new_internal_solid ),
|
||||
]);
|
||||
|
||||
# subtract intersections from layer surfaces to get resulting inner surfaces
|
||||
my $internal = diff_ex(
|
||||
[ map $_->p, grep $_->surface_type eq 'internal', @neighbor_fill_surfaces ],
|
||||
[ map @$_, @$internal_solid ],
|
||||
);
|
||||
Slic3r::debugf " %d internal-solid and %d internal surfaces found\n",
|
||||
scalar(@$internal_solid), scalar(@$internal);
|
||||
|
||||
# Note: due to floating point math we're going to get some very small
|
||||
# polygons as $internal; they will be removed by removed_small_features()
|
||||
|
||||
# assign resulting inner surfaces to layer
|
||||
my $neighbor_fill_surfaces = $self->layers->[$n]->fill_surfaces;
|
||||
@$neighbor_fill_surfaces = ();
|
||||
push @$neighbor_fill_surfaces, Slic3r::Surface->new
|
||||
(expolygon => $_, surface_type => 'internal')
|
||||
for @$internal;
|
||||
|
||||
# assign new internal-solid surfaces to layer
|
||||
push @$neighbor_fill_surfaces, Slic3r::Surface->new
|
||||
(expolygon => $_, surface_type => 'internal-solid')
|
||||
for @$internal_solid;
|
||||
|
||||
# assign top and bottom surfaces to layer
|
||||
foreach my $s (Slic3r::Surface->group(grep $_->surface_type =~ /top|bottom/, @neighbor_fill_surfaces)) {
|
||||
my $solid_surfaces = diff_ex(
|
||||
[ map $_->p, @$s ],
|
||||
[ map @$_, @$internal_solid, @$internal ],
|
||||
);
|
||||
push @$neighbor_fill_surfaces, Slic3r::Surface->new
|
||||
(expolygon => $_, surface_type => $s->[0]->surface_type, bridge_angle => $s->[0]->bridge_angle)
|
||||
for @$solid_surfaces;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
# combine fill surfaces across layers
|
||||
sub infill_every_layers {
|
||||
my $self = shift;
|
||||
return unless $Slic3r::infill_every_layers > 1 && $Slic3r::fill_density > 0;
|
||||
|
||||
# start from bottom, skip first layer
|
||||
for (my $i = 1; $i < $self->layer_count; $i++) {
|
||||
my $layer = $self->layer($i);
|
||||
|
||||
# skip layer if no internal fill surfaces
|
||||
next if !grep $_->surface_type eq 'internal', @{$layer->fill_surfaces};
|
||||
|
||||
# for each possible depth, look for intersections with the lower layer
|
||||
# we do this from the greater depth to the smaller
|
||||
for (my $d = $Slic3r::infill_every_layers - 1; $d >= 1; $d--) {
|
||||
next if ($i - $d) < 0;
|
||||
my $lower_layer = $self->layer($i - 1);
|
||||
|
||||
# select surfaces of the lower layer having the depth we're looking for
|
||||
my @lower_surfaces = grep $_->depth_layers == $d && $_->surface_type eq 'internal',
|
||||
@{$lower_layer->fill_surfaces};
|
||||
next if !@lower_surfaces;
|
||||
|
||||
# calculate intersection between our surfaces and theirs
|
||||
my $intersection = intersection_ex(
|
||||
[ map $_->p, grep $_->depth_layers <= $d, @lower_surfaces ],
|
||||
[ map $_->p, grep $_->surface_type eq 'internal', @{$layer->fill_surfaces} ],
|
||||
);
|
||||
next if !@$intersection;
|
||||
|
||||
# new fill surfaces of the current layer are:
|
||||
# - any non-internal surface
|
||||
# - intersections found (with a $d + 1 depth)
|
||||
# - any internal surface not belonging to the intersection (with its original depth)
|
||||
{
|
||||
my @new_surfaces = ();
|
||||
push @new_surfaces, grep $_->surface_type ne 'internal', @{$layer->fill_surfaces};
|
||||
push @new_surfaces, map Slic3r::Surface->new
|
||||
(expolygon => $_, surface_type => 'internal', depth_layers => $d + 1), @$intersection;
|
||||
|
||||
foreach my $depth (reverse $d..$Slic3r::infill_every_layers) {
|
||||
push @new_surfaces, map Slic3r::Surface->new
|
||||
(expolygon => $_, surface_type => 'internal', depth_layers => $depth),
|
||||
|
||||
# difference between our internal layers with depth == $depth
|
||||
# and the intersection found
|
||||
@{diff_ex(
|
||||
[
|
||||
map $_->p, grep $_->surface_type eq 'internal' && $_->depth_layers == $depth,
|
||||
@{$layer->fill_surfaces},
|
||||
],
|
||||
[ map @$_, @$intersection ],
|
||||
1,
|
||||
)};
|
||||
}
|
||||
@{$layer->fill_surfaces} = @new_surfaces;
|
||||
}
|
||||
|
||||
# now we remove the intersections from lower layer
|
||||
{
|
||||
my @new_surfaces = ();
|
||||
push @new_surfaces, grep $_->surface_type ne 'internal', @{$lower_layer->fill_surfaces};
|
||||
foreach my $depth (1..$Slic3r::infill_every_layers) {
|
||||
push @new_surfaces, map Slic3r::Surface->new
|
||||
(expolygon => $_, surface_type => 'internal', depth_layers => $depth),
|
||||
|
||||
# difference between internal layers with depth == $depth
|
||||
# and the intersection found
|
||||
@{diff_ex(
|
||||
[
|
||||
map $_->p, grep $_->surface_type eq 'internal' && $_->depth_layers == $depth,
|
||||
@{$lower_layer->fill_surfaces},
|
||||
],
|
||||
[ map @$_, @$intersection ],
|
||||
1,
|
||||
)};
|
||||
}
|
||||
@{$lower_layer->fill_surfaces} = @new_surfaces;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
sub generate_support_material {
|
||||
my $self = shift;
|
||||
|
||||
# determine unsupported surfaces
|
||||
my %layers = ();
|
||||
my @unsupported_expolygons = ();
|
||||
{
|
||||
my (@a, @b) = ();
|
||||
for my $i (reverse 0 .. $#{$self->layers}) {
|
||||
my $layer = $self->layers->[$i];
|
||||
my @c = ();
|
||||
if (@b) {
|
||||
@c = @{diff_ex(
|
||||
[ map @$_, @b ],
|
||||
[ map @$_, map $_->expolygon->offset_ex(scale $Slic3r::flow_width), @{$layer->slices} ],
|
||||
)};
|
||||
$layers{$i} = [@c];
|
||||
}
|
||||
@b = @{union_ex([ map @$_, @c, @a ])};
|
||||
|
||||
# get unsupported surfaces for current layer as all bottom slices
|
||||
# minus the bridges offsetted to cover their perimeters.
|
||||
# actually, we are marking as bridges more than we should be, so
|
||||
# better build support material for bridges too rather than ignoring
|
||||
# those parts. a visibility check algorithm is needed.
|
||||
# @a = @{diff_ex(
|
||||
# [ map $_->p, grep $_->surface_type eq 'bottom', @{$layer->slices} ],
|
||||
# [ map @$_, map $_->expolygon->offset_ex(scale $Slic3r::flow_spacing * $Slic3r::perimeters),
|
||||
# grep $_->surface_type eq 'bottom' && defined $_->bridge_angle,
|
||||
# @{$layer->fill_surfaces} ],
|
||||
# )};
|
||||
@a = map $_->expolygon->clone, grep $_->surface_type eq 'bottom', @{$layer->slices};
|
||||
|
||||
$_->simplify(scale $Slic3r::flow_spacing * 3) for @a;
|
||||
push @unsupported_expolygons, @a;
|
||||
}
|
||||
}
|
||||
return if !@unsupported_expolygons;
|
||||
|
||||
# generate paths for the pattern that we're going to use
|
||||
my $support_patterns = [];
|
||||
{
|
||||
my @support_material_areas = map $_->offset_ex(scale 5),
|
||||
@{union_ex([ map @$_, @unsupported_expolygons ])};
|
||||
|
||||
my $fill = Slic3r::Fill->new(print => $self);
|
||||
foreach my $angle (0, 90) {
|
||||
my @patterns = ();
|
||||
foreach my $expolygon (@support_material_areas) {
|
||||
my @paths = $fill->fillers->{rectilinear}->fill_surface(
|
||||
Slic3r::Surface->new(
|
||||
expolygon => $expolygon,
|
||||
bridge_angle => $Slic3r::fill_angle + 45 + $angle,
|
||||
),
|
||||
density => 0.20,
|
||||
flow_spacing => $Slic3r::flow_spacing,
|
||||
);
|
||||
my $params = shift @paths;
|
||||
|
||||
push @patterns,
|
||||
map Slic3r::ExtrusionPath->new(
|
||||
polyline => Slic3r::Polyline->new(@$_),
|
||||
role => 'support-material',
|
||||
depth_layers => 1,
|
||||
flow_spacing => $params->{flow_spacing},
|
||||
), @paths;
|
||||
}
|
||||
push @$support_patterns, [@patterns];
|
||||
}
|
||||
}
|
||||
|
||||
if (0) {
|
||||
require "Slic3r/SVG.pm";
|
||||
Slic3r::SVG::output(undef, "support.svg",
|
||||
polylines => [ map $_->polyline, map @$_, @$support_patterns ],
|
||||
);
|
||||
}
|
||||
|
||||
# apply the pattern to layers
|
||||
{
|
||||
my $clip_pattern = sub {
|
||||
my ($layer_id, $expolygons) = @_;
|
||||
my @paths = ();
|
||||
foreach my $expolygon (@$expolygons) {
|
||||
push @paths, map $_->clip_with_expolygon($expolygon),
|
||||
map $_->clip_with_polygon($expolygon->bounding_box_polygon),
|
||||
@{$support_patterns->[ $layer_id % 2 ]};
|
||||
};
|
||||
return @paths;
|
||||
};
|
||||
my %layer_paths = ();
|
||||
Slic3r::parallelize(
|
||||
items => [ keys %layers ],
|
||||
thread_cb => sub {
|
||||
my $q = shift;
|
||||
my $paths = {};
|
||||
while (defined (my $layer_id = $q->dequeue)) {
|
||||
$paths->{$layer_id} = [ $clip_pattern->($layer_id, $layers{$layer_id}) ];
|
||||
}
|
||||
return $paths;
|
||||
},
|
||||
collect_cb => sub {
|
||||
my $paths = shift;
|
||||
$layer_paths{$_} = $paths->{$_} for keys %$paths;
|
||||
},
|
||||
no_threads_cb => sub {
|
||||
$layer_paths{$_} = [ $clip_pattern->($_, $layers{$_}) ] for keys %layers;
|
||||
},
|
||||
);
|
||||
|
||||
foreach my $layer_id (keys %layer_paths) {
|
||||
my $layer = $self->layers->[$layer_id];
|
||||
$layer->support_fills(Slic3r::ExtrusionPath::Collection->new);
|
||||
push @{$layer->support_fills->paths}, @{$layer_paths{$layer_id}};
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
1;
|
||||
Loading…
Add table
Add a link
Reference in a new issue