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Bugfix: thin walls forming a closed loop had overlapping segments at their endpoints. #1948 #1875

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This commit is contained in:
Alessandro Ranellucci 2014-05-21 15:03:31 +02:00
parent a8b6e32767
commit 08279ec5d8
4 changed files with 43 additions and 22 deletions
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2
xs/src/ExPolygon.cpp
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@ -155,7 +155,9 @@ ExPolygon::medial_axis(double max_width, double min_width, Polylines* polylines)
ma.build(polylines);
// extend initial and final segments of each polyline (they will be clipped)
// unless they represent closed loops
for (Polylines::iterator polyline = polylines->begin(); polyline != polylines->end(); ++polyline) {
if (polyline->points.front().coincides_with(polyline->points.back())) continue;
polyline->extend_start(max_width);
polyline->extend_end(max_width);
}