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Fix of https://github.com/prusa3d/Slic3r/issues/214

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Dent in perimeters around a hole

Clipper Offset has been extended to remove tiny edges before the offset.
This is important as the tiny edges pose difficulty
for normal calculation, leading to various adverse effects like
kinks and dents in the offsetted contour.
This commit is contained in:
bubnikv
2017-04-04 11:17:25 +02:00
parent 70fcedb113
commit bd9ee88e2f
4 changed files with 51 additions and 25 deletions
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4
xs/src/clipper.hpp
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@@ -448,7 +448,8 @@ private:
class ClipperOffset
{
public:
ClipperOffset(double miterLimit = 2.0, double roundPrecision = 0.25);
ClipperOffset(double miterLimit = 2.0, double roundPrecision = 0.25, double shortestEdgeLength = 0.) :
MiterLimit(miterLimit), ArcTolerance(roundPrecision), ShortestEdgeLength(shortestEdgeLength), m_lowest(-1, 0) {}
~ClipperOffset() { Clear(); }
void AddPath(const Path& path, JoinType joinType, EndType endType);
void AddPaths(const Paths& paths, JoinType joinType, EndType endType);
@@ -457,6 +458,7 @@ public:
void Clear();
double MiterLimit;
double ArcTolerance;
double ShortestEdgeLength;
private:
Paths m_destPolys;
Path m_srcPoly;