Fix of #117: A large fractal pyramid takes ages to slice The Clipper library has difficulties processing overlapping polygons. Namely, the function Clipper::JoinCommonEdges() has potentially a terrible time complexity if the output of the operation is of the PolyTree type. This function implmenets a following workaround: 1) Peform the Clipper operation with the output to Paths. This method handles overlaps in a reasonable time. 2) Run Clipper Union once again to extract the PolyTree from the result of 1).
Fix of #117: A large fractal pyramid takes ages to slice
The Clipper library has difficulties processing overlapping polygons.
Namely, the function Clipper::JoinCommonEdges() has potentially a terrible time complexity if the output
of the operation is of the PolyTree type.
This function implmenets a following workaround:
1) Peform the Clipper operation with the output to Paths. This method handles overlaps in a reasonable time.
2) Run Clipper Union once again to extract the PolyTree from the result of 1).

prusa3d/Slic3r,prusa3d/Slic3r,prusa3d/Slic3r,prusa3d/Slic3r,prusa3d/Slic3r,prusa3d/Slic3r,prusa3d/Slic3r