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Home Page: https://bentley-ottmann.rtfd.io
License: MIT License
Detection of line segments & polygon edges intersections
Home Page: https://bentley-ottmann.rtfd.io
License: MIT License
I was using the routine segments_intersections from bentley_ottmann.planar v 6.0.0 . I can't find it in v 7.1.0. Is it gone? Relocated? Thank you!
This code snippet will cause an infinite loop
line_segment_coords = [
((116.19507998, -33.58039633), (116.19507998, -33.58039633)),
((116.19507998, -33.58039633), (116.19513912, -33.58040619)),
((116.19513912, -33.58040619), (116.19513363, -33.58043912)),
((116.19513363, -33.58043912), (116.19507545, -33.58042942)),
((116.19507545, -33.58042942), (116.19508094, -33.58039649)),
((116.19508094, -33.58039649), (116.19507998, -33.58039633))
]
intersections = segments_intersections(line_segment_coords)
Removing the first element of line_segment_coords
allows segments_intersections
to complete.
The following line
poly_point_isect.isect_polygon([[1,1], [0,1], [1,1]])
causes a crash, more specifically an AssertionError
.
I can understand that the desired result for this edge case might be arguable, but it should not crash everything. And since the coordinates in this case are integers, and the line segments are horizontal, there should not be any issues of "near-vertical segments" or numerical precision problems.
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