Instantiate the new C++ filler. It will be used for the supports first.

This commit is contained in:
bubnikv 2016-10-03 16:59:00 +02:00
parent d2635ab799
commit b7af7276c9
5 changed files with 313 additions and 1 deletions

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@ -56,6 +56,7 @@ use Slic3r::ExPolygon;
use Slic3r::ExtrusionLoop; use Slic3r::ExtrusionLoop;
use Slic3r::ExtrusionPath; use Slic3r::ExtrusionPath;
use Slic3r::Fill; use Slic3r::Fill;
use Slic3r::Fill2;
use Slic3r::Flow; use Slic3r::Flow;
use Slic3r::Format::AMF; use Slic3r::Format::AMF;
use Slic3r::Format::OBJ; use Slic3r::Format::OBJ;

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@ -8,6 +8,16 @@ has 'spacing' => (is => 'rw'); # in unscaled coordinates
has 'loop_clipping' => (is => 'rw', default => sub { 0 }); # in scaled coordinates has 'loop_clipping' => (is => 'rw', default => sub { 0 }); # in scaled coordinates
has 'bounding_box' => (is => 'ro', required => 0); # Slic3r::Geometry::BoundingBox object has 'bounding_box' => (is => 'ro', required => 0); # Slic3r::Geometry::BoundingBox object
sub set_spacing {
my ($self, $spacing) = @_;
$self->spacing($spacing);
}
sub set_angle {
my ($self, $angle) = @_;
$self->angle($angle);
}
sub adjust_solid_spacing { sub adjust_solid_spacing {
my $self = shift; my $self = shift;
my %params = @_; my %params = @_;

294
lib/Slic3r/Fill2.pm Normal file
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@ -0,0 +1,294 @@
# This is derived from Fill.pm
# and it uses the C++ fillers.
package Slic3r::Fill2;
use Moo;
use List::Util qw(max);
use Slic3r::ExtrusionPath ':roles';
use Slic3r::Flow ':roles';
use Slic3r::Geometry qw(X Y PI scale chained_path deg2rad);
use Slic3r::Geometry::Clipper qw(union union_ex diff diff_ex intersection_ex offset offset2);
use Slic3r::Surface ':types';
has 'bounding_box' => (is => 'ro', required => 0);
has 'fillers' => (is => 'rw', default => sub { {} });
sub filler {
my $self = shift;
my ($filler) = @_;
if (!ref $self) {
return Slic3r::Filler->new_from_type($filler);
}
print "Filler: ", $filler, "\n";
$self->fillers->{$filler} ||= Slic3r::Filler->new_from_type($filler);
$self->fillers->{$filler}->set_bounding_box($self->bounding_box);
return $self->fillers->{$filler};
}
# Generate infills for Slic3r::Layer::Region.
# The Slic3r::Layer::Region at this point of time may contain
# surfaces of various types (internal/bridge/top/bottom/solid).
# The infills are generated on the groups of surfaces with a compatible type.
# Returns an array of Slic3r::ExtrusionPath::Collection objects containing the infills generaed now
# and the thin fills generated by generate_perimeters().
sub make_fill {
my $self = shift;
# of type - C++: LayerRegion, Perl: Slic3r::Layer::Region
my ($layerm) = @_;
Slic3r::debugf "Filling layer %d:\n", $layerm->layer->id;
my $fill_density = $layerm->region->config->fill_density;
my $infill_flow = $layerm->flow(FLOW_ROLE_INFILL);
my $solid_infill_flow = $layerm->flow(FLOW_ROLE_SOLID_INFILL);
my $top_solid_infill_flow = $layerm->flow(FLOW_ROLE_TOP_SOLID_INFILL);
# Surfaces are of the type Slic3r::Surface
my @surfaces = ();
# merge adjacent surfaces
# in case of bridge surfaces, the ones with defined angle will be attached to the ones
# without any angle (shouldn't this logic be moved to process_external_surfaces()?)
{
my @surfaces_with_bridge_angle = grep { $_->bridge_angle >= 0 } @{$layerm->fill_surfaces};
# group surfaces by distinct properties
# group is of type Slic3r::SurfaceCollection
my @groups = @{$layerm->fill_surfaces->group};
# merge compatible groups (we can generate continuous infill for them)
{
# cache flow widths and patterns used for all solid groups
# (we'll use them for comparing compatible groups)
my @is_solid = my @fw = my @pattern = ();
for (my $i = 0; $i <= $#groups; $i++) {
# we can only merge solid non-bridge surfaces, so discard
# non-solid surfaces
if ($groups[$i][0]->is_solid && (!$groups[$i][0]->is_bridge || $layerm->layer->id == 0)) {
$is_solid[$i] = 1;
$fw[$i] = ($groups[$i][0]->surface_type == S_TYPE_TOP)
? $top_solid_infill_flow->width
: $solid_infill_flow->width;
$pattern[$i] = $groups[$i][0]->is_external
? $layerm->region->config->external_fill_pattern
: 'rectilinear';
} else {
$is_solid[$i] = 0;
$fw[$i] = 0;
$pattern[$i] = 'none';
}
}
# loop through solid groups
for (my $i = 0; $i <= $#groups; $i++) {
next if !$is_solid[$i];
# find compatible groups and append them to this one
for (my $j = $i+1; $j <= $#groups; $j++) {
next if !$is_solid[$j];
if ($fw[$i] == $fw[$j] && $pattern[$i] eq $pattern[$j]) {
# groups are compatible, merge them
push @{$groups[$i]}, @{$groups[$j]};
splice @groups, $j, 1;
splice @is_solid, $j, 1;
splice @fw, $j, 1;
splice @pattern, $j, 1;
}
}
}
}
# give priority to bridges
@groups = sort { ($a->[0]->bridge_angle >= 0) ? -1 : 0 } @groups;
foreach my $group (@groups) {
# Make a union of polygons defining the infiill regions of a group, use a safety offset.
my $union_p = union([ map $_->p, @$group ], 1);
# Subtract surfaces having a defined bridge_angle from any other, use a safety offset.
if (@surfaces_with_bridge_angle && $group->[0]->bridge_angle < 0) {
$union_p = diff(
$union_p,
[ map $_->p, @surfaces_with_bridge_angle ],
1,
);
}
# subtract any other surface already processed
#FIXME Vojtech: Because the bridge surfaces came first, they are subtracted twice!
my $union = diff_ex(
$union_p,
[ map $_->p, @surfaces ],
1,
);
push @surfaces, map $group->[0]->clone(expolygon => $_), @$union;
}
}
# we need to detect any narrow surfaces that might collapse
# when adding spacing below
# such narrow surfaces are often generated in sloping walls
# by bridge_over_infill() and combine_infill() as a result of the
# subtraction of the combinable area from the layer infill area,
# which leaves small areas near the perimeters
# we are going to grow such regions by overlapping them with the void (if any)
# TODO: detect and investigate whether there could be narrow regions without
# any void neighbors
{
my $distance_between_surfaces = max(
$infill_flow->scaled_spacing,
$solid_infill_flow->scaled_spacing,
$top_solid_infill_flow->scaled_spacing,
);
my $collapsed = diff(
[ map @{$_->expolygon}, @surfaces ],
offset2([ map @{$_->expolygon}, @surfaces ], -$distance_between_surfaces/2, +$distance_between_surfaces/2),
1,
);
push @surfaces, map Slic3r::Surface->new(
expolygon => $_,
surface_type => S_TYPE_INTERNALSOLID,
), @{intersection_ex(
offset($collapsed, $distance_between_surfaces),
[
(map @{$_->expolygon}, grep $_->surface_type == S_TYPE_INTERNALVOID, @surfaces),
(@$collapsed),
],
1,
)};
}
if (0) {
require "Slic3r/SVG.pm";
Slic3r::SVG::output("fill_" . $layerm->print_z . ".svg",
expolygons => [ map $_->expolygon, grep !$_->is_solid, @surfaces ],
red_expolygons => [ map $_->expolygon, grep $_->is_solid, @surfaces ],
);
}
# Fills are of perl type Slic3r::ExtrusionPath::Collection, c++ type ExtrusionEntityCollection
my @fills = ();
SURFACE: foreach my $surface (@surfaces) {
next if $surface->surface_type == S_TYPE_INTERNALVOID;
my $filler = $layerm->region->config->fill_pattern;
my $density = $fill_density;
my $role = ($surface->surface_type == S_TYPE_TOP) ? FLOW_ROLE_TOP_SOLID_INFILL
: $surface->is_solid ? FLOW_ROLE_SOLID_INFILL
: FLOW_ROLE_INFILL;
my $is_bridge = $layerm->layer->id > 0 && $surface->is_bridge;
my $is_solid = $surface->is_solid;
if ($surface->is_solid) {
$density = 100;
$filler = 'rectilinear';
if ($surface->is_external && !$is_bridge) {
$filler = $layerm->region->config->external_fill_pattern;
}
} else {
next SURFACE unless $density > 0;
}
# get filler object
my $f = $self->filler($filler);
# calculate the actual flow we'll be using for this infill
my $h = $surface->thickness == -1 ? $layerm->layer->height : $surface->thickness;
my $flow = $layerm->region->flow(
$role,
$h,
$is_bridge || $f->use_bridge_flow,
$layerm->layer->id == 0,
-1,
$layerm->layer->object,
);
# calculate flow spacing for infill pattern generation
my $using_internal_flow = 0;
if (!$is_solid && !$is_bridge) {
# it's internal infill, so we can calculate a generic flow spacing
# for all layers, for avoiding the ugly effect of
# misaligned infill on first layer because of different extrusion width and
# layer height
my $internal_flow = $layerm->region->flow(
FLOW_ROLE_INFILL,
$layerm->layer->object->config->layer_height, # TODO: handle infill_every_layers?
0, # no bridge
0, # no first layer
-1, # auto width
$layerm->layer->object,
);
$f->set_spacing($internal_flow->spacing);
$using_internal_flow = 1;
} else {
$f->set_spacing($flow->spacing);
}
$f->set_layer_id($layerm->layer->id);
$f->set_z($layerm->layer->print_z);
$f->set_angle(deg2rad($layerm->region->config->fill_angle));
$f->set_loop_clipping(scale($flow->nozzle_diameter) * &Slic3r::LOOP_CLIPPING_LENGTH_OVER_NOZZLE_DIAMETER);
# apply half spacing using this flow's own spacing and generate infill
my @polylines = $f->fill_surface(
$surface,
density => $density/100,
layer_height => $h,
);
next unless @polylines;
# calculate actual flow from spacing (which might have been adjusted by the infill
# pattern generator)
if ($using_internal_flow) {
# if we used the internal flow we're not doing a solid infill
# so we can safely ignore the slight variation that might have
# been applied to $f->flow_spacing
} else {
$flow = Slic3r::Flow->new_from_spacing(
spacing => $f->spacing,
nozzle_diameter => $flow->nozzle_diameter,
layer_height => $h,
bridge => $is_bridge || $f->use_bridge_flow,
);
}
# save into layer
{
my $role = $is_bridge ? EXTR_ROLE_BRIDGE
: $is_solid ? (($surface->surface_type == S_TYPE_TOP) ? EXTR_ROLE_TOPSOLIDFILL : EXTR_ROLE_SOLIDFILL)
: EXTR_ROLE_FILL;
push @fills, my $collection = Slic3r::ExtrusionPath::Collection->new;
# Only concentric fills are not sorted.
$collection->no_sort($f->no_sort);
$collection->append(
map Slic3r::ExtrusionPath->new(
polyline => $_,
role => $role,
mm3_per_mm => $flow->mm3_per_mm,
width => $flow->width,
height => $flow->height,
), map @$_, @polylines,
);
}
}
# add thin fill regions
# thin_fills are of C++ Slic3r::ExtrusionEntityCollection, perl type Slic3r::ExtrusionPath::Collection
# Unpacks the collection, creates multiple collections per path.
# The path type could be ExtrusionPath, ExtrusionLoop or ExtrusionEntityCollection.
# Why the paths are unpacked?
foreach my $thin_fill (@{$layerm->thin_fills}) {
push @fills, Slic3r::ExtrusionPath::Collection->new($thin_fill);
}
return @fills;
}
1;

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@ -20,6 +20,13 @@ sub fill_maker {
return Slic3r::Fill->new(bounding_box => $self->bounding_box); return Slic3r::Fill->new(bounding_box => $self->bounding_box);
} }
# Vojtech's implementation: Create the C++ filler.
# TODO: lazy
sub fill_maker2 {
my $self = shift;
return Slic3r::Fill2->new(bounding_box => $self->bounding_box);
}
sub region_volumes { sub region_volumes {
my $self = shift; my $self = shift;
return [ map $self->get_region_volumes($_), 0..($self->region_count - 1) ]; return [ map $self->get_region_volumes($_), 0..($self->region_count - 1) ];

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@ -14,7 +14,7 @@
#include "FillRectilinear2.hpp" #include "FillRectilinear2.hpp"
#define SLIC3R_DEBUG // #define SLIC3R_DEBUG
#ifdef SLIC3R_DEBUG #ifdef SLIC3R_DEBUG
#include "SVG.hpp" #include "SVG.hpp"