3DPrinting/PrusaSlicer-NonPlainar
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Large memory savings (down to about 50%) for high-res input files

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This commit is contained in:
Alessandro Ranellucci 2012-05-28 19:58:27 +02:00
parent efdf266df1
commit 34e3dfdb08
3 changed files with 26 additions and 25 deletions
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5
lib/Slic3r/Print.pm
View File

@ -207,10 +207,7 @@ sub export_gcode {
# each layer has surfaces with holes
$status_cb->(5, "Processing input file");
$status_cb->(10, "Processing triangulated mesh");
$_->slice for @{$self->objects};
unless ($params{keep_meshes}) {
$_->mesh(undef) for @{$self->objects}; # free memory
}
$_->slice(keep_meshes => $params{keep_meshes}) for @{$self->objects};
# make perimeters
# this will add a set of extrusion loops to each layer

6
lib/Slic3r/Print/Object.pm
View File

@ -40,6 +40,7 @@ sub layer {
sub slice {
my $self = shift;
my %params = @_;
# process facets
{
@ -78,6 +79,9 @@ sub slice {
}
die "Invalid input file\n" if !@{$self->layers};
# free memory
$self->mesh(undef) unless $params{keep_meshes};
# remove last layer if empty
# (we might have created it because of the $max_layer = ... + 1 code below)
pop @{$self->layers} if !@{$self->layers->[-1]->surfaces} && !@{$self->layers->[-1]->lines};
@ -94,7 +98,7 @@ sub slice {
# inside a closed polyline)
# build surfaces from sparse lines
$layer->make_surfaces($self->mesh->make_loops($layer));
$layer->make_surfaces(Slic3r::TriangleMesh::make_loops($layer));
# free memory
$layer->lines(undef);

40
lib/Slic3r/TriangleMesh.pm
View File

@ -136,10 +136,15 @@ sub check_manifoldness {
}
sub make_loops {
my $self = shift;
my ($layer) = @_;
my @lines = @{$layer->lines};
my @lines = map {
my @data = unpack 'ffLLLLLc', $_;
splice @data, 0, 2, [ @data[0,1] ];
$data[$_] ||= undef for I_A_ID, I_B_ID;
$data[I_FACET_EDGE] = undef if $data[I_FACET_EDGE] == -1;
[@data]
} @{$layer->lines};
# remove tangent edges
{
@ -212,7 +217,7 @@ sub make_loops {
Slic3r::SVG::output(undef, "same_point.svg",
lines => [ map $_->line, grep !defined $_->[I_FACET_EDGE], @lines ],
red_lines => [ map $_->line, grep defined $_->[I_FACET_EDGE], @lines ],
points => [ $self->vertices->[$point_id] ],
#points => [ $self->vertices->[$point_id] ],
no_arrows => 0,
);
}
@ -417,8 +422,8 @@ sub intersect_facet {
($a, $b) = ($b, $a);
($a_id, $b_id) = ($b_id, $a_id);
}
push @lines, [
[$b->[X], $b->[Y]], # I_B
push @lines, pack 'ffLLLLLc', (
$b->[X], $b->[Y], # I_B
$a_id, # I_A_ID
$b_id, # I_B_ID
$facet_id, # I_FACET_INDEX
@ -428,7 +433,7 @@ sub intersect_facet {
# Unused data:
# a => [$a->[X], $a->[Y]],
];
);
#print "Horizontal edge at $z!\n";
} elsif ($a->[Z] == $z) {
@ -477,20 +482,15 @@ sub intersect_facet {
$next_facet_index = +(grep $_ != $facet_id, @{$self->edges_facets->[$points[A][3]]})[0]
if defined $points[A][3];
return [
[$points[A][X], $points[A][Y]], # I_B
$points[B][2], # I_A_ID
$points[A][2], # I_B_ID
$facet_id, # I_FACET_INDEX
$prev_facet_index, # I_PREV_FACET_INDEX
$next_facet_index, # I_NEXT_FACET_INDEX
undef, # I_FACET_EDGE
# Unused data:
# a => [$points[B][X], $points[B][Y]],
# prev_edge_id => $points[B][3],
# next_edge_id => $points[A][3],
];
return pack 'ffLLLLLc', (
$points[A][X], $points[A][Y], # I_B
$points[B][2] || 0, # I_A_ID
$points[A][2] || 0, # I_B_ID
$facet_id, # I_FACET_INDEX
$prev_facet_index, # I_PREV_FACET_INDEX
$next_facet_index, # I_NEXT_FACET_INDEX
-1, # I_FACET_EDGE
);
#printf " intersection points at z = %f: %f,%f - %f,%f\n", $z, map @$_, @intersection_points;
}