mirror of
				https://github.com/SoftFever/OrcaSlicer.git
				synced 2025-10-30 20:21:12 -06:00 
			
		
		
		
	Do not store normals and save a lot of memory
This commit is contained in:
		
							parent
							
								
									74c00cdb7a
								
							
						
					
					
						commit
						3c8dbcef4a
					
				
					 4 changed files with 21 additions and 21 deletions
				
			
		|  | @ -74,7 +74,7 @@ sub write_file { | |||
|         foreach my $facet (@{$mesh->facets}) { | ||||
|             printf $fh qq{        <triangle>\n}; | ||||
|             printf $fh qq{          <v%d>%d</v%d>\n}, $_, $facet->[$_] + $vertices_offset{$mesh}, $_ | ||||
|                 for 1..3; | ||||
|                 for -3..-1; | ||||
|             printf $fh qq{        </triangle>\n}; | ||||
|         } | ||||
|         printf $fh qq{      </volume>\n}; | ||||
|  |  | |||
|  | @ -26,9 +26,9 @@ sub start_element { | |||
|         $self->{_volume_materialid} = $self->_get_attribute($data, 'materialid') || '_'; | ||||
|         $self->{_volume} = []; | ||||
|     } elsif ($data->{LocalName} eq 'triangle') { | ||||
|         $self->{_triangle} = [[], "", "", ""];  # empty normal | ||||
|         $self->{_triangle} = ["", "", ""]; | ||||
|     } elsif ($self->{_triangle} && $data->{LocalName} =~ /^v([123])$/ && $self->{_tree}[-1] eq 'triangle') { | ||||
|         $self->{_vertex_idx} = $1; | ||||
|         $self->{_vertex_idx} = $1-1; | ||||
|     } elsif ($data->{LocalName} eq 'material') { | ||||
|         $self->{_material_id} = $self->_get_attribute($data, 'id') || '_'; | ||||
|         $self->{_material} = {}; | ||||
|  |  | |||
|  | @ -43,7 +43,7 @@ sub read_file { | |||
|         my %vertices_map = ();    # given a vertex's coordinates, what's its index? | ||||
|         my @vertices_facets = (); # given a vertex index, what are the indexes of its tangent facets? | ||||
|         for (my $f = 0; $f <= $#$facets; $f++) { | ||||
|             for (1..3) { | ||||
|             for (-3..-1) { | ||||
|                 my $point_id = join ',', @{$facets->[$f][$_]}; | ||||
|                 if (exists $vertices_map{$point_id}) { | ||||
|                     $facets->[$f][$_] = $vertices_map{$point_id}; | ||||
|  | @ -74,11 +74,11 @@ sub read_file { | |||
|                     CYCLE: while (@facets_indexes && @this_f) { | ||||
|                          | ||||
|                         # look for a facet that is connected to $this_f[-1] and whose common line contains $v | ||||
|                         my @other_vertices_indexes = grep $_ != $v, @{$facets->[$this_f[-1]]}[1..3]; | ||||
|                         my @other_vertices_indexes = grep $_ != $v, @{$facets->[$this_f[-1]]}[-3..-1]; | ||||
|                          | ||||
|                         OTHER: for my $other_f (@facets_indexes) { | ||||
|                             # facet is connected if it shares one more point | ||||
|                             for (grep $_ != $v, @{$facets->[$other_f]}[1..3]) { | ||||
|                             for (grep $_ != $v, @{$facets->[$other_f]}[-3..-1]) { | ||||
|                                 if ($_ ~~ @other_vertices_indexes) { | ||||
|                                     #printf "facet %d is connected to $other_f (sharing vertices $v and $_)\n", $this_f[-1]; | ||||
|                                      | ||||
|  | @ -107,7 +107,7 @@ sub read_file { | |||
|                         Slic3r::debugf "  more than one vertex in the same point\n"; | ||||
|                         push @$vertices, $vertices->[$v]; | ||||
|                         for my $f (@this_f) { | ||||
|                             $facets->[$f][$_] = $#$vertices for grep $facets->[$f][$_] == $v, 1..3; | ||||
|                             $facets->[$f][$_] = $#$vertices for grep $facets->[$f][$_] == $v, -3..-1; | ||||
|                         } | ||||
|                     } | ||||
|                 } | ||||
|  | @ -128,7 +128,7 @@ sub _read_ascii { | |||
|     while (my $_ = <$fh>) { | ||||
|         if (!$facet) { | ||||
|             /^\s*facet\s+normal\s+$point_re/ or next; | ||||
|             $facet = [ [$1, $2, $3] ]; | ||||
|             $facet = [];  # ignore normal: [$1, $2, $3] | ||||
|         } else { | ||||
|             if (/^\s*endfacet/) { | ||||
|                 push @$facets, $facet; | ||||
|  | @ -153,7 +153,7 @@ sub _read_binary { | |||
|     seek $fh, 80 + 4, 0; | ||||
|     while (read $fh, my $_, 4*4*3+2) { | ||||
|         my @v = unpack '(f<3)4'; | ||||
|         push @$facets, [ [@v[0..2]], [@v[3..5]], [@v[6..8]], [@v[9..11]] ]; | ||||
|         push @$facets, [ [@v[3..5]], [@v[6..8]], [@v[9..11]] ];  # ignore normal: [@v[0..2]] | ||||
|     } | ||||
| } | ||||
| 
 | ||||
|  |  | |||
|  | @ -5,7 +5,7 @@ use Slic3r::Geometry qw(X Y Z A B unscale same_point); | |||
| 
 | ||||
| # public | ||||
| has 'vertices'      => (is => 'ro', required => 1);         # id => [$x,$y,$z] | ||||
| has 'facets'        => (is => 'ro', required => 1);         # id => [ $normal, $v1_id, $v2_id, $v3_id ] | ||||
| has 'facets'        => (is => 'ro', required => 1);         # id => [ $v1_id, $v2_id, $v3_id ] | ||||
| 
 | ||||
| # private | ||||
| has 'edges'         => (is => 'ro', default => sub { [] }); # id => [ $v1_id, $v2_id ] | ||||
|  | @ -36,15 +36,15 @@ sub BUILD { | |||
|     my %table = ();  # edge_coordinates => edge_id | ||||
|      | ||||
|     for (my $facet_id = 0; $facet_id <= $#{$self->facets}; $facet_id++) { | ||||
|         my $facet = $self->facets->[$facet_id]; | ||||
|         my $facet = $self->facets->[$facet_id];##use Devel::Size qw(total_size); printf "total_size = %d\n", total_size($facet);exit; | ||||
|         $self->facets_edges->[$facet_id] = []; | ||||
|          | ||||
|         # reorder vertices so that the first one is the one with lowest Z | ||||
|         # this is needed to get all intersection lines in a consistent order | ||||
|         # (external on the right of the line) | ||||
|         { | ||||
|             my @z_order = sort { $self->vertices->[$facet->[$a]][Z] <=> $self->vertices->[$facet->[$b]][Z] } 1..3; | ||||
|             @$facet[1..3] = (@$facet[$z_order[0]..3], @$facet[1..($z_order[0]-1)]); | ||||
|             my @z_order = sort { $self->vertices->[$facet->[$a]][Z] <=> $self->vertices->[$facet->[$b]][Z] } -3..-1; | ||||
|             @$facet[-3..-1] = (@$facet[$z_order[0]..-1], @$facet[-3..($z_order[0]-1)]); | ||||
|         } | ||||
|          | ||||
|         # ignore the normal if provided | ||||
|  | @ -83,9 +83,9 @@ sub _facet_edges { | |||
|      | ||||
|     my $facet = $self->facets->[$facet_id]; | ||||
|     return ( | ||||
|         [ $facet->[1], $facet->[2] ], | ||||
|         [ $facet->[2], $facet->[3] ], | ||||
|         [ $facet->[3], $facet->[1] ], | ||||
|         [ $facet->[-3], $facet->[-2] ], | ||||
|         [ $facet->[-2], $facet->[-1] ], | ||||
|         [ $facet->[-1], $facet->[-3] ], | ||||
|     ); | ||||
| } | ||||
| 
 | ||||
|  | @ -198,7 +198,7 @@ sub make_loops { | |||
|         # choice) | ||||
|         # The "// ''" on the next line avoids uninitialized value errors mentioned in issue #357 but these | ||||
|         # errors occur on fixed models so the root cause still needs to be found | ||||
|         if (@lines_starting_here == 2 && join('', sort map $_->[I_FACET_EDGE] // '', @lines_starting_here) eq FE_TOP.FE_BOTTOM) { | ||||
|         if (@lines_starting_here == 2 && join('', sort map $_->[I_FACET_EDGE] // '', @lines_starting_here) eq FE_TOP.FE_BOTTOM) { #/ | ||||
|             my @to_remove = grep $_->[I_FACET_EDGE] == FE_TOP, @lines_starting_here; | ||||
|             while (!grep defined $_->[I_B_ID] && $_->[I_B_ID] == $to_remove[-1]->[I_B_ID] && $_ ne $to_remove[-1], @lines) { | ||||
|                 push @to_remove, grep defined $_->[I_A_ID] && $_->[I_A_ID] == $to_remove[-1]->[I_B_ID], @lines; | ||||
|  | @ -359,7 +359,7 @@ sub size { | |||
| sub slice_facet { | ||||
|     my $self = shift; | ||||
|     my ($print_object, $facet_id) = @_; | ||||
|     my ($normal, @vertices) = @{$self->facets->[$facet_id]}; | ||||
|     my @vertices = @{$self->facets->[$facet_id]}[-3..-1]; | ||||
|     Slic3r::debugf "\n==> FACET %d (%f,%f,%f - %f,%f,%f - %f,%f,%f):\n", | ||||
|         $facet_id, map @{$self->vertices->[$_]}, @vertices | ||||
|         if $Slic3r::debug; | ||||
|  | @ -398,7 +398,7 @@ sub intersect_facet { | |||
|     my $self = shift; | ||||
|     my ($facet_id, $z) = @_; | ||||
|      | ||||
|     my @vertices_ids        = @{$self->facets->[$facet_id]}[1..3]; | ||||
|     my @vertices_ids        = @{$self->facets->[$facet_id]}[-3..-1]; | ||||
|     my @edge_ids            = @{$self->facets_edges->[$facet_id]}; | ||||
|     my @edge_vertices_ids   = $self->_facet_edges($facet_id); | ||||
|      | ||||
|  | @ -534,11 +534,11 @@ sub split_mesh { | |||
|             $self->facets->[$facet_id] = undef; | ||||
|         } | ||||
|          | ||||
|         my %vertices = map { $_ => 1 } map @$_[1,2,3], @facets; | ||||
|         my %vertices = map { $_ => 1 } map @$_[-3..-1], @facets; | ||||
|         my @new_vertices = keys %vertices; | ||||
|         my %new_vertices = map { $new_vertices[$_] => $_ } 0..$#new_vertices; | ||||
|         foreach my $facet (@facets) { | ||||
|             $facet->[$_] = $new_vertices{$facet->[$_]} for 1,2,3; | ||||
|             $facet->[$_] = $new_vertices{$facet->[$_]} for -3..-1; | ||||
|         } | ||||
|         push @meshes, Slic3r::TriangleMesh->new( | ||||
|             facets => \@facets, | ||||
|  |  | |||
		Loading…
	
	Add table
		Add a link
		
	
		Reference in a new issue
	
	 Alessandro Ranellucci
						Alessandro Ranellucci