3DPrinting/PrusaSlicer-NonPlainar
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Fixed inner offset in the avoid crossing perimeters.

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Minimum contour width was used incorrectly, which could lead to breaking contour to more disconnected polygons.
This commit is contained in:
Lukáš Hejl 2021-02-23 20:43:34 +01:00
parent e123dfa8a4
commit dc576b0511
1 changed files with 4 additions and 3 deletions
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7
src/libslic3r/GCode/AvoidCrossingPerimeters.cpp
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@ -729,10 +729,11 @@ static std::vector<float> contour_distance(const EdgeGrid::Grid &grid,
// Polygon offset which ensures that if a polygon breaks up into several separate parts, the original polygon will be used in these places. // Polygon offset which ensures that if a polygon breaks up into several separate parts, the original polygon will be used in these places.
// ExPolygons are handled one by one so returned ExPolygons could intersect. // ExPolygons are handled one by one so returned ExPolygons could intersect.
static ExPolygons inner_offset(const ExPolygons &ex_polygons, double offset, double min_contour_width = scale_(0.001)) static ExPolygons inner_offset(const ExPolygons &ex_polygons, double offset)
{ {
double search_radius = 2. * (offset + min_contour_width); double min_contour_width = 2. * offset + SCALED_EPSILON;
ExPolygons ex_poly_result = ex_polygons; double search_radius = 2. * (offset + min_contour_width);
ExPolygons ex_poly_result = ex_polygons;
resample_expolygons(ex_poly_result, offset / 2); resample_expolygons(ex_poly_result, offset / 2);
for (ExPolygon &ex_poly : ex_poly_result) { for (ExPolygon &ex_poly : ex_poly_result) {