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is_intersection_segment_segment_xy inconsistency for fringe case #1077

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tkmmark opened this issue Oct 1, 2022 · 0 comments

tkmmark commented Oct 1, 2022 •

edited

(a, b) = [[0, 0, 0], [1, 0, 0]]
(c, d) = [[1,-1, 0], [1, 1, 0]]

from compas.geometry import is_intersection_segment_segment_xy

is_intersection_segment_segment_xy((a, b), (c, d))
# prints True

is_intersection_segment_segment_xy((a, b), (d, c))
# prints False

cause:
is_ccw_xy(a, c, d) != is_ccw_xy(b, c, d)

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