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Ability to customize how materials are mapped to extruders. #1020

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This commit is contained in:
Alessandro Ranellucci 2013-08-25 19:52:32 +02:00
parent cb0ee9729f
commit 026e0c06e4
6 changed files with 134 additions and 34 deletions
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28
lib/Slic3r/Print.pm
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@ -91,18 +91,6 @@ sub add_model {
my $self = shift;
my ($model) = @_;
# append/merge materials and preserve a mapping between the original material ID
# and our numeric material index
my %materials = ();
{
my @material_ids = sort keys %{$model->materials};
@material_ids = (0) if !@material_ids;
for (my $i = $self->regions_count; $i < @material_ids; $i++) {
push @{$self->regions}, Slic3r::Print::Region->new;
$materials{$material_ids[$i]} = $#{$self->regions};
}
}
# optimization: if avoid_crossing_perimeters is enabled, split
# this mesh into distinct objects so that we reduce the complexity
# of the graphs
@ -112,6 +100,7 @@ sub add_model {
# -- thing before the split.
###$model->split_meshes if $Slic3r::Config->avoid_crossing_perimeters && !$Slic3r::Config->complete_objects;
my %unmapped_materials = ();
foreach my $object (@{ $model->objects }) {
# we align object to origin before applying transformations
my @align = $object->align_to_origin;
@ -119,13 +108,26 @@ sub add_model {
# extract meshes by material
my @meshes = (); # by region_id
foreach my $volume (@{$object->volumes}) {
my $region_id = defined $volume->material_id ? $materials{$volume->material_id} : 0;
my $region_id;
if (defined $volume->material_id) {
if ($object->material_mapping) {
$region_id = $object->material_mapping->{$volume->material_id} - 1
if defined $object->material_mapping->{$volume->material_id};
}
$region_id //= $unmapped_materials{$volume->material_id};
if (!defined $region_id) {
$region_id = $unmapped_materials{$volume->material_id} = scalar(keys %unmapped_materials);
}
}
$region_id //= 0;
my $mesh = $volume->mesh->clone;
# should the object contain multiple volumes of the same material, merge them
$meshes[$region_id] = $meshes[$region_id]
? Slic3r::TriangleMesh->merge($meshes[$region_id], $mesh)
: $mesh;
}
$self->regions->[$_] //= Slic3r::Print::Region->new for 0..$#meshes;
foreach my $mesh (grep $_, @meshes) {
$mesh->check_manifoldness;