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Fix plater slowness after the introduction of the vertical projection

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This commit is contained in:
Alessandro Ranellucci 2012-11-29 19:13:52 +01:00
parent 93310a6a81
commit b495e15d7f
2 changed files with 10 additions and 8 deletions
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13
lib/Slic3r/GUI/Plater.pm
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@ -1119,20 +1119,21 @@ sub make_thumbnail {
my @points = map [ @$_[X,Y] ], @{$self->model_object->mesh->vertices};
my $mesh = $self->model_object->mesh;
my $thumbnail = Slic3r::ExPolygon::Collection->new(
expolygons => (@{$mesh->facets} <= 2000)
expolygons => (@{$mesh->facets} <= 5000)
? $mesh->horizontal_projection
: [ Slic3r::ExPolygon->new(convex_hull($mesh->vertices)) ],
);
for (map @$_, map @$_, @{$thumbnail->expolygons}) {
@$_ = map $_ * $self->thumbnail_scaling_factor, @$_;
}
for (@{$thumbnail->expolygons}) {
$_->simplify(0.3);
$_->rotate(Slic3r::Geometry::deg2rad($self->rotate));
$_->scale($self->scale);
foreach my $expolygon (@{$thumbnail->expolygons}) {
@$expolygon = grep $_->area >= 1, @$expolygon;
$expolygon->simplify(0.5);
$expolygon->rotate(Slic3r::Geometry::deg2rad($self->rotate));
$expolygon->scale($self->scale);
}
@{$thumbnail->expolygons} = grep @$_, @{$thumbnail->expolygons};
$thumbnail->align_to_origin;
$self->thumbnail($thumbnail); # ignored in multi-threaded environments
$self->free_model_object;