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Always fix self-intersecting polygons that Douglas-Peucker might return

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Alessandro Ranellucci 2013-03-16 18:42:56 +01:00
parent dc0f706789
commit 33b40eda18
14 changed files with 85 additions and 55 deletions
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18
lib/Slic3r/Print/Object.pm
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@ -774,8 +774,10 @@ sub generate_support_material {
[ map @$_, @{ $upper_layers_overhangs[-1] || [] } ],
[ map @$_, @current_layer_offsetted_slices ],
);
$layers_contact_areas{$i} = collapse_ex([ map @$_, @{$layers_contact_areas{$i}} ], $flow->scaled_width);
$_->simplify($flow->scaled_spacing) for @{$layers_contact_areas{$i}};
$layers_contact_areas{$i} = [
map $_->simplify($flow->scaled_spacing),
collapse_ex([ map @$_, @{$layers_contact_areas{$i}} ], $flow->scaled_width),
];
# to define interface regions of this layer we consider the overhangs of all the upper layers
# minus the first one
@ -786,8 +788,10 @@ sub generate_support_material {
(map @$_, @{ $layers_contact_areas{$i} }),
],
);
$layers_interfaces{$i} = collapse_ex([ map @$_, @{$layers_interfaces{$i}} ], $flow->scaled_width);
$_->simplify($flow->scaled_spacing) for @{$layers_interfaces{$i}};
$layers_interfaces{$i} = [
map $_->simplify($flow->scaled_spacing),
collapse_ex([ map @$_, @{$layers_interfaces{$i}} ], $flow->scaled_width),
];
# generate support material in current layer (for upper layers)
@current_support_regions = @{diff_ex(
@ -806,8 +810,10 @@ sub generate_support_material {
(map @$_, @{ $layers_interfaces{$i} }),
],
);
$layers{$i} = collapse_ex([ map @$_, @{$layers{$i}} ], $flow->scaled_width);
$_->simplify($flow->scaled_spacing) for @{$layers{$i}};
$layers{$i} = [
map $_->simplify($flow->scaled_spacing),
collapse_ex([ map @$_, @{$layers{$i}} ], $flow->scaled_width),
];
# get layer overhangs and put them into queue for adding support inside lower layers;
# we need an angle threshold for this