3DPrinting/PrusaSlicer-NonPlainar
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Improvements to avoid blobs

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This commit is contained in:
Alessandro Ranellucci 2011-09-05 20:29:07 +02:00
parent ff5044c031
commit 3421e8fef8
2 changed files with 31 additions and 7 deletions
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26
lib/Slic3r/Perimeter.pm
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@ -4,6 +4,9 @@ use Moose;
use Math::Geometry::Planar; use Math::Geometry::Planar;
*Math::Geometry::Planar::OffsetPolygon = *Math::Geometry::Planar::Offset::OffsetPolygon; *Math::Geometry::Planar::OffsetPolygon = *Math::Geometry::Planar::Offset::OffsetPolygon;
use constant X => 0;
use constant Y => 1;
sub make_perimeter { sub make_perimeter {
my $self = shift; my $self = shift;
my ($layer) = @_; my ($layer) = @_;
@ -66,10 +69,13 @@ sub make_perimeter {
my @path_points = (); my @path_points = ();
foreach my $p (map $self->_mgp_from_points_ref($_), @$polylines) { foreach my $p (map $self->_mgp_from_points_ref($_), @$polylines) {
my $points = $p->points; my $points = $p->points;
# TODO: the initial $points->[0] should be replaced by the point of # to avoid blobs, the first point is replaced by the point of
# the segment which is $Slic3r::flow_width / $Slic3r::resolution # the segment which is $Slic3r::flow_width / $Slic3r::resolution
# away from it to avoid the extruder to get two times there # away from it to avoid the extruder to get two times there
push @path_points, @$points, $points->[0]; push @$points, [ @{$points->[0]} ];
$points->[0] = $self->_get_point_along_line($points->[0], $points->[1],
$Slic3r::flow_width * 1.2 / $Slic3r::resolution);
push @path_points, @$points;
} }
push @{ $layer->perimeters }, Slic3r::ExtrusionPath->new_from_points(reverse @path_points); push @{ $layer->perimeters }, Slic3r::ExtrusionPath->new_from_points(reverse @path_points);
} }
@ -140,4 +146,20 @@ sub _mgp_from_polygons_ref {
return $p; return $p;
} }
sub _get_point_along_line {
my $self = shift;
my ($p1, $p2, $distance) = @_;
my $point = [ @$p1 ];
my $line_length = sqrt( (($p2->[X] - $p1->[X])**2) + (($p2->[Y] - $p1->[Y])**2) );
for (X, Y) {
if ($p1->[$_] != $p2->[$_]) {
$point->[$_] = $p1->[$_] + ($p2->[$_] - $p1->[$_]) * $distance / $line_length;
}
}
return $point;
}
1; 1;

12
lib/Slic3r/Print.pm
View File

@ -150,11 +150,13 @@ sub export_gcode {
} }
# go to first point while compensating retraction # go to first point while compensating retraction
$G1->($path->lines->[0]->a, $z, $G1->($path->lines->[0]->a, $z, 0, "move to first $description point");
$retracted
? ($Slic3r::retract_length + $Slic3r::retract_restart_extra) # compensate retraction
: 0, if ($retracted) {
"move to first $description point"); $G1->(undef, undef, ($Slic3r::retract_length + $Slic3r::retract_restart_extra),
"compensate retraction");
}
# extrude while going to next points # extrude while going to next points
foreach my $line (@{ $path->lines }) { foreach my $line (@{ $path->lines }) {