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Center hilbertcurve, archimedeanchords, octagramspiral around object's center and align them across layers

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This commit is contained in:
Alessandro Ranellucci 2014-12-22 11:16:01 +01:00
parent 1b582ea66a
commit 45cc204f74
1 changed files with 24 additions and 10 deletions
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34
lib/Slic3r/Fill/PlanePath.pm
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@ -23,19 +23,32 @@ sub fill_surface {
my $flow = $params{flow};
my $distance_between_lines = $flow->scaled_spacing / $params{density} * $self->multiplier;
my $bounding_box = $expolygon->bounding_box;
# since not all PlanePath infills extend in negative coordinate space,
# move expolygon in positive coordinate space
$expolygon->translate(-$bounding_box->x_min, -$bounding_box->y_min);
# align infill across layers using the object's bounding box
my $bb_polygon = $self->bounding_box->polygon;
$self->rotate_points($bb_polygon, $rotate_vector);
my $bounding_box = $bb_polygon->bounding_box;
(ref $self) =~ /::([^:]+)$/;
my $path = "Math::PlanePath::$1"->new;
my $translate = Slic3r::Point->new(0,0); # vector
if ($path->x_negative || $path->y_negative) {
# if the curve extends on both positive and negative coordinate space,
# center our expolygon around origin
$translate = $bounding_box->center->negative;
} else {
# if the curve does not extend in negative coordinate space,
# move expolygon entirely in positive coordinate space
$translate = $bounding_box->min_point->negative;
}
$expolygon->translate(@$translate);
$bounding_box->translate(@$translate);
my ($n_lo, $n_hi) = $path->rect_to_n_range(
map { $_ / $distance_between_lines }
0, 0,
@{$bounding_box->size},
@{$bounding_box->min_point},
@{$bounding_box->max_point},
);
my $polyline = Slic3r::Polyline->new(
@ -50,14 +63,15 @@ sub fill_surface {
if (0) {
require "Slic3r/SVG.pm";
Slic3r::SVG::output("fill.svg",
no_arrows => 1,
polygons => \@$expolygon,
polylines => \@paths,
no_arrows => 1,
polygons => \@$expolygon,
red_polygons => [ $bounding_box->polygon ],
polylines => \@paths,
);
}
# paths must be repositioned and rotated back
$_->translate($bounding_box->x_min, $bounding_box->y_min) for @paths;
$_->translate(@{$translate->negative}) for @paths;
$self->rotate_points_back(\@paths, $rotate_vector);
return { flow => $flow }, @paths;