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Fixes for hi-res STL models

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This commit is contained in:
Alessandro Ranellucci 2011-10-04 17:55:55 +02:00
parent 6444c3d7a9
commit 794b7a99d2
8 changed files with 139 additions and 63 deletions
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25
lib/Slic3r/Layer.pm
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@ -81,10 +81,9 @@ sub add_surface {
sub add_line {
my $self = shift;
my ($a, $b) = @_;
my ($line) = @_;
# we accept either a Line object or a couple of points
my $line = Slic3r::Line->cast([ $a, $b ]);
$line = Slic3r::Line->cast($line);
push @{ $self->lines }, $line;
return $line;
@ -106,6 +105,13 @@ sub remove_surface {
sub make_polylines {
my $self = shift;
# remove line duplicates
{
my %lines_map = map { join(',', sort map $_->id, @{$_->points} ) => "$_" } @{ $self->lines };
%lines_map = reverse %lines_map;
@{ $self->lines } = grep $lines_map{"$_"}, @{ $self->lines };
}
# make a cache of line endpoints
my %pointmap = ();
foreach my $line (@{ $self->lines }) {
@ -116,8 +122,8 @@ sub make_polylines {
}
# defensive programming
die "No point should be endpoint of less or more than 2 lines!"
if grep @$_ != 2, values %pointmap;
#die "No point should be endpoint of less or more than 2 lines!"
# if grep @$_ != 2, values %pointmap;
if (0) {
# defensive programming
@ -126,8 +132,11 @@ sub make_polylines {
#use Slic3r::SVG;
#Slic3r::SVG::output_points($main::print, "points.svg", [ map [split /,/], keys %pointmap ], [ [split /,/, $_ ] ]);
#Slic3r::SVG::output_lines($main::print, "lines.svg", [ map $_->p, @{$self->lines} ]);
die sprintf "No point should be endpoint of less or more than 2 lines (%d)!", scalar(@{$pointmap{$_}});
YYY $pointmap{$_};
die sprintf "No point should be endpoint of less or more than 2 lines ($_ => %d)!", scalar(@{$pointmap{$_}});
}
while (my @single_line_points = grep @{$pointmap{$_}} == 1, keys %pointmap) {
@ -172,7 +181,7 @@ sub make_polylines {
# remove last point as it coincides with first one
pop @$points;
die "Invalid polyline with only 2 points\n" if @$points == 2;
die sprintf "Invalid polyline with only %d points\n", scalar(@$points) if @$points < 3;
Slic3r::debugf "Discovered polyline of %d points (%s)\n", scalar @$points,
join ' - ', map $_->id, @$points;
@ -341,7 +350,7 @@ sub remove_small_features {
foreach my $loop (@{$self->perimeters}) {
my $p = $loop->p;
@$p = reverse @$p if !is_counter_clockwise($p);
my $offsets = offset([$p], -($Slic3r::flow_width / 2 / $Slic3r::resolution), 100, JT_MITER, 2);
my $offsets = offset([$p], -($Slic3r::flow_width / 2 / $Slic3r::resolution), $Slic3r::resolution * 100000, JT_MITER, 2);
push @good_perimeters, $loop if @$offsets;
}
Slic3r::debugf "removed %d unprintable perimeters\n", (@{$self->perimeters} - @good_perimeters)