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#!/usr/bin/perl
# This script splits a STL plate into individual files
use strict;
use warnings;
BEGIN {
use FindBin;
use lib "$FindBin::Bin/../lib";
}
use File::Basename qw(basename);
use Getopt::Long qw(:config no_auto_abbrev);
use Slic3r;
$|++;
my %opt = ();
{
my %options = (
'help' => sub { usage() },
'ascii' => \$opt{ascii},
);
GetOptions(%options) or usage(1);
$ARGV[0] or usage(1);
}
{
my $mesh = Slic3r::STL->read_file($ARGV[0]);
my $basename = $ARGV[0];
$basename =~ s/\.stl$//i;
# loop while we have remaining facets
my $part_count = 0;
$mesh->make_edge_table;
while (1) {
# get the first facet
my @facet_queue = ();
my @facets = ();
for (my $i = 0; $i <= $#{$mesh->facets}; $i++) {
if (defined $mesh->facets->[$i]) {
push @facet_queue, $i;
last;
}
}
last if !@facet_queue;
while (defined (my $facet_id = shift @facet_queue)) {
next unless defined $mesh->facets->[$facet_id];
push @facets, $mesh->facets->[$facet_id];
push @facet_queue, $mesh->get_connected_facets($facet_id);
$mesh->facets->[$facet_id] = undef;
}
my $output_file = sprintf '%s_%02d.stl', $basename, ++$part_count;
printf "Writing to %s\n", basename($output_file);
Slic3r::STL->write_file($output_file, Slic3r::TriangleMesh->new(facets => \@facets), !$opt{ascii});
}
}
sub usage {
my ($exit_code) = @_;
print <<"EOF";
Usage: split_stl.pl [ OPTIONS ] file.stl
--help Output this usage screen and exit
--ascii Generate ASCII STL files (default: binary)
EOF
exit ($exit_code || 0);
}
__END__
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