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Region::interact fails in one configuration #228

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klayoutmatthias opened this Issue Jan 26, 2019 · 0 comments

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klayoutmatthias commented Jan 26, 2019

With these regions (RBA::Region):

r1 = (0,10;0,290;280,290;280,230;360,230;360,70;280,70;280,10)

and

r2 = (360,70;360,230;480,230;480,70)

the interaction test renders an empty region:

r1.interacting(r2)
r2.interacting(r1)

However, these regions definitely touch.

klayoutmatthias added a commit that referenced this issue Jan 26, 2019

Fixed issue #228
Reason for the problem: the interaction test
has to keep separate "inside" records for both
below and above the scanline, not just once.
With the single record, the step in the
left polygon erased the "inside" condition.

klayoutmatthias added a commit that referenced this issue Jan 26, 2019

klayoutmatthias added a commit that referenced this issue Jan 30, 2019

Fixed issue #228
Reason for the problem: the interaction test
has to keep separate "inside" records for both
below and above the scanline, not just once.
With the single record, the step in the
left polygon erased the "inside" condition.

klayoutmatthias added a commit that referenced this issue Feb 23, 2019

Fixed issue #228
Reason for the problem: the interaction test
has to keep separate "inside" records for both
below and above the scanline, not just once.
With the single record, the step in the
left polygon erased the "inside" condition.
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