Slic3r/lib/Slic3r/Skein.pm

132 lines
4.5 KiB
Perl

package Slic3r::Skein;
use Moo;
use File::Basename qw(basename fileparse);
use Slic3r::Geometry qw(PI);
use Time::HiRes qw(gettimeofday tv_interval);
use XXX;
# full path (relative or absolute) to the input file
has 'input_file' => (is => 'ro', required => 1);
# full path (relative or absolute) to the output file; it may contain
# formatting variables like [layer_height] etc.
has 'output_file' => (is => 'rw', required => 0);
has 'status_cb' => (is => 'rw', required => 0, default => sub { sub {} });
has 'processing_time' => (is => 'rw', required => 0);
sub go {
my $self = shift;
die "Input file must have .stl extension\n"
if $self->input_file !~ /\.stl$/i;
my $t0 = [gettimeofday];
# skein the STL into layers
# each layer has surfaces with holes
$self->status_cb->(10, "Processing triangulated mesh...");
my $print;
{
my $mesh = Slic3r::STL->read_file($self->input_file);
$mesh->check_manifoldness;
$print = Slic3r::Print->new_from_mesh($mesh);
}
# make skirt
$self->status_cb->(15, "Generating skirt...");
$print->extrude_skirt;
# make perimeters
# this will add a set of extrusion loops to each layer
# as well as generate infill boundaries
$self->status_cb->(20, "Generating perimeters...");
{
my $perimeter_maker = Slic3r::Perimeter->new;
$perimeter_maker->make_perimeter($_) for @{$print->layers};
}
# this will clip $layer->surfaces to the infill boundaries
# and split them in top/bottom/internal surfaces;
$self->status_cb->(30, "Detecting solid surfaces...");
$print->detect_surfaces_type;
# decide what surfaces are to be filled
$self->status_cb->(35, "Preparing infill surfaces...");
$_->prepare_fill_surfaces for @{$print->layers};
# this will remove unprintable surfaces
# (those that are too tight for extrusion)
$self->status_cb->(40, "Cleaning up...");
$_->remove_small_surfaces for @{$print->layers};
# this will detect bridges and reverse bridges
# and rearrange top/bottom/internal surfaces
$self->status_cb->(45, "Detect bridges...");
$_->process_bridges for @{$print->layers};
# this will remove unprintable perimeter loops
# (those that are too tight for extrusion)
$self->status_cb->(50, "Cleaning up the perimeters...");
$_->remove_small_perimeters for @{$print->layers};
# detect which fill surfaces are near external layers
# they will be split in internal and internal-solid surfaces
$self->status_cb->(60, "Generating horizontal shells...");
$print->discover_horizontal_shells;
# combine fill surfaces to honor the "infill every N layers" option
$self->status_cb->(70, "Combining infill...");
$print->infill_every_layers;
# this will generate extrusion paths for each layer
$self->status_cb->(80, "Infilling layers...");
{
my $fill_maker = Slic3r::Fill->new('print' => $print);
$fill_maker->make_fill($_) for @{$print->layers};
}
# output everything to a GCODE file
$self->status_cb->(90, "Exporting GCODE...");
$print->export_gcode($self->expanded_output_filepath);
# output some statistics
$self->processing_time(tv_interval($t0));
printf "Done. Process took %d minutes and %.3f seconds\n",
int($self->processing_time/60),
$self->processing_time - int($self->processing_time/60)*60;
# TODO: more statistics!
printf "Filament required: %.1fmm (%.1fcm3)\n",
$print->total_extrusion_length, $print->total_extrusion_volume;
}
# this method will return the value of $self->output_file after expanding its
# format variables with their values
sub expanded_output_filepath {
my $self = shift;
my $path = $self->output_file;
# if no explicit output file was defined, we take the input
# file directory and append the specified filename format
$path ||= (fileparse($self->input_file))[1] . $Slic3r::output_filename_format;
my $input_basename = basename($self->input_file);
$path =~ s/\[input_filename\]/$input_basename/g;
$input_basename =~ s/\.stl$//i;
$path =~ s/\[input_filename_base\]/$input_basename/g;
# build a regexp to match the available options
my $options = join '|',
grep !$Slic3r::Config::Options->{$_}{multiline},
keys %$Slic3r::Config::Options;
# use that regexp to search and replace option names with option values
$path =~ s/\[($options)\]/Slic3r::Config->serialize($1)/eg;
return $path;
}
1;