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New traverse_pt()

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This commit is contained in:
Alessandro Ranellucci 2013-05-11 09:24:48 +02:00
parent 7953dcfb12
commit 6e216e2fd9
2 changed files with 25 additions and 27 deletions
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19
lib/Slic3r/Geometry/Clipper.pm
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@ -6,7 +6,7 @@ require Exporter;
our @ISA = qw(Exporter); our @ISA = qw(Exporter);
our @EXPORT_OK = qw(safety_offset safety_offset_ex offset offset_ex collapse_ex our @EXPORT_OK = qw(safety_offset safety_offset_ex offset offset_ex collapse_ex
diff_ex diff union_ex intersection_ex xor_ex PFT_EVENODD JT_MITER JT_ROUND diff_ex diff union_ex intersection_ex xor_ex PFT_EVENODD JT_MITER JT_ROUND
JT_SQUARE is_counter_clockwise union_pt offset2 offset2_ex); JT_SQUARE is_counter_clockwise union_pt offset2 offset2_ex traverse_pt);
use Math::Clipper 1.21 qw(:cliptypes :polyfilltypes :jointypes is_counter_clockwise area); use Math::Clipper 1.21 qw(:cliptypes :polyfilltypes :jointypes is_counter_clockwise area);
use Slic3r::Geometry qw(scale); use Slic3r::Geometry qw(scale);
@ -145,4 +145,21 @@ sub simplify_polygons {
return @{ Math::Clipper::simplify_polygons($polygons, $pft // PFT_NONZERO) }; return @{ Math::Clipper::simplify_polygons($polygons, $pft // PFT_NONZERO) };
} }
sub traverse_pt {
my ($polynodes) = @_;
# use a nearest neighbor search to order these children
# TODO: supply second argument to chained_path_items() too?
my @nodes = @{Slic3r::Geometry::chained_path_items(
[ map [ ($_->{outer} ? $_->{outer}[0] : $_->{hole}[0]), $_ ], @$polynodes ],
)};
my @polygons = ();
foreach my $polynode (@$polynodes) {
push @polygons, traverse_pt($polynode->{children});
push @polygons, $polynode->{outer} // [ reverse @{$polynode->{hole}} ]
}
return @polygons;
}
1; 1;

33
lib/Slic3r/Print.pm
View file

@ -6,9 +6,9 @@ use File::Spec;
use List::Util qw(max first); use List::Util qw(max first);
use Math::ConvexHull::MonotoneChain qw(convex_hull); use Math::ConvexHull::MonotoneChain qw(convex_hull);
use Slic3r::ExtrusionPath ':roles'; use Slic3r::ExtrusionPath ':roles';
use Slic3r::Geometry qw(X Y Z X1 Y1 X2 Y2 MIN PI scale unscale move_points nearest_point chained_path_items); use Slic3r::Geometry qw(X Y Z X1 Y1 X2 Y2 MIN PI scale unscale move_points nearest_point);
use Slic3r::Geometry::Clipper qw(diff_ex union_ex union_pt intersection_ex offset use Slic3r::Geometry::Clipper qw(diff_ex union_ex union_pt intersection_ex offset
offset2 JT_ROUND JT_SQUARE PFT_EVENODD); offset2 traverse_pt JT_ROUND JT_SQUARE PFT_EVENODD);
use Time::HiRes qw(gettimeofday tv_interval); use Time::HiRes qw(gettimeofday tv_interval);
has 'config' => (is => 'rw', default => sub { Slic3r::Config->new_from_defaults }, trigger => 1); has 'config' => (is => 'rw', default => sub { Slic3r::Config->new_from_defaults }, trigger => 1);
@ -683,30 +683,11 @@ sub make_brim {
push @loops, offset2(\@islands, ($i - 2) * $flow->scaled_spacing, ($i + 1.5) * $flow->scaled_spacing, undef, JT_SQUARE); push @loops, offset2(\@islands, ($i - 2) * $flow->scaled_spacing, ($i + 1.5) * $flow->scaled_spacing, undef, JT_SQUARE);
} }
# prepare a subroutine to traverse the tree and return inner perimeters first @{$self->brim} = map Slic3r::ExtrusionLoop->pack(
my $traverse; polygon => Slic3r::Polygon->new($_),
$traverse = sub { role => EXTR_ROLE_SKIRT,
my ($loops) = @_; flow_spacing => $flow->spacing,
), reverse traverse_pt( union_pt(\@loops, PFT_EVENODD) );
# use a nearest neighbor search to order these children
# TODO: supply second argument to chained_path_items() too?
@$loops = @{chained_path_items(
[ map [ ($_->{outer} ? $_->{outer}[0] : $_->{hole}[0]), $_ ], @$loops ],
)};
my @polygons = ();
foreach my $loop (@$loops) {
push @polygons, $traverse->($loop->{children});
push @polygons, Slic3r::ExtrusionLoop->pack(
polygon => Slic3r::Polygon->new($loop->{outer} // [ reverse @{$loop->{hole}} ]),
role => EXTR_ROLE_SKIRT,
flow_spacing => $flow->spacing,
);
}
return @polygons;
};
@{$self->brim} = reverse $traverse->( union_pt(\@loops, PFT_EVENODD) );
} }
sub write_gcode { sub write_gcode {