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Prevent writing empty materials to AMF files. Also add a note about material-id = 0 being reserved by AMF spec. #2871

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Alessandro Ranellucci 2015-06-01 11:50:08 +02:00
parent e26022a2f2
commit fbea32a81c
2 changed files with 4 additions and 1 deletions
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2
lib/Slic3r/Format/AMF.pm
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@ -36,7 +36,9 @@ sub write_file {
printf $fh qq{<amf unit="millimeter">\n};
printf $fh qq{ <metadata type="cad">Slic3r %s</metadata>\n}, $Slic3r::VERSION;
for my $material_id (sort @{ $model->material_names }) {
next if $material_id eq '';
my $material = $model->get_material($material_id);
# note that material-id must never be 0 since it's reserved by the AMF spec
printf $fh qq{ <material id="%s">\n}, $material_id;
for (keys %{$material->attributes}) {
printf $fh qq{ <metadata type=\"%s\">%s</metadata>\n}, $_, $material->attributes->{$_};