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Fixed perimeters crossing when supports are printed.

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This commit is contained in:
Lukáš Hejl 2020-10-19 09:44:33 +02:00
parent 2afeea5b6f
commit 7f94e9fa59
1 changed files with 7 additions and 0 deletions
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7
src/libslic3r/GCode/AvoidCrossingPerimeters.cpp
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@ -264,12 +264,19 @@ ExPolygons AvoidCrossingPerimeters2::get_boundary(const Layer &layer)
ExPolygons missing_perimeter_boundary = offset_ex(diff_ex(boundary, offset_ex(perimeter_boundary, offset + SCALED_EPSILON / 2)), ExPolygons missing_perimeter_boundary = offset_ex(diff_ex(boundary, offset_ex(perimeter_boundary, offset + SCALED_EPSILON / 2)),
offset + SCALED_EPSILON); offset + SCALED_EPSILON);
perimeter_boundary = offset_ex(perimeter_boundary, offset); perimeter_boundary = offset_ex(perimeter_boundary, offset);
perimeter_boundary.reserve(perimeter_boundary.size() + missing_perimeter_boundary.size());
perimeter_boundary.insert(perimeter_boundary.begin(), missing_perimeter_boundary.begin(), missing_perimeter_boundary.end()); perimeter_boundary.insert(perimeter_boundary.begin(), missing_perimeter_boundary.begin(), missing_perimeter_boundary.end());
final_boundary = union_ex(intersection_ex(offset_ex(perimeter_boundary, -offset), boundary)); final_boundary = union_ex(intersection_ex(offset_ex(perimeter_boundary, -offset), boundary));
} else { } else {
final_boundary = std::move(perimeter_boundary); final_boundary = std::move(perimeter_boundary);
} }
// Add an outer boundary to avoid crossing perimeters from supports
ExPolygons outer_boundary = diff_ex(offset_ex(boundary, 2 * perimeter_spacing), offset_ex(boundary, 2 * perimeter_spacing - offset));
final_boundary.reserve(final_boundary.size() + outer_boundary.size());
final_boundary.insert(final_boundary.begin(), outer_boundary.begin(), outer_boundary.end());
final_boundary = union_ex(final_boundary);
// Collect all top layers that will not be crossed. // Collect all top layers that will not be crossed.
polygons_count = 0; polygons_count = 0;
for (const LayerRegion *layer_region : layer.regions()) for (const LayerRegion *layer_region : layer.regions())